What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?

One-way options have recently been found by users for as low as C$ 479 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from C$ 575 and Aer Lingus from C$ 635 one-way.

What are the most popular routes from London Heathrow Airport to Region of Ontario?

The most popular route from London Heathrow Airport to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Heathrow - Toronto Island or London Heathrow - Montreal Pierre Elliott Trudeau Intl.

What are the cheapest flights from London Heathrow Airport to Region of Ontario?

While on average a flight from London Heathrow Airport to Region of Ontario is generally C$ 1,713, our data shows the cheapest flight currently is C$ 649. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 592 for that flight.

What are the most reliable airlines from London Heathrow Airport to Region of Ontario?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Region of Ontario on time: Thai Airways (93%), Ethiopian Air (92%), SriLankan Airlines (90%).

What are the most popular airlines that fly from London Heathrow Airport to Region of Ontario?

Consider American Airlines, Air Canada or British Airways when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Region of Ontario.

How far in advance should I book a flight from London Heathrow Airport to Region of Ontario?

Find a great deal and save up to 15% by booking at least 60 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Region of Ontario within the next two weeks, with the cheapest ticket starting at C$ 830.

What is the cheapest month to fly from London Heathrow Airport to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from London Heathrow Airport in February are about C$ 831 on average during February, but can be found for as low as C$ 521.

Can I find deals for flights from Heathrow to Ontario that include hotel bookings?

Yes. In addition to deals on Heathrow to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Heathrow to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ontario.

Can I find deals for business class flights from Heathrow to Ontario?

Yes. Cheapflights offers flight deals from Heathrow to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 406+ Flights from London Heathrow Airport to Ontario

Cheap flight deals from Heathrow to Ontario

Round-trip from	C$ 588
One-way from	C$ 406
Popular in	August
Cheapest in	February
Average price	C$ 702
Good round-trip deal	C$ 710 or less
Good one-way deal	C$ 733 or less

Air Canada
7/3-22/3
1 total stop
19h 45m total
London to Ontario

Search Deals

6/3
1 total stop
25h 30m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 158 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Price to beat on a round-trip flight from London Heathrow to Ontario.

Search Deals

Price to beat on a one-way flight from London Heathrow to Ontario.

Search Deals

Find flight deals from Heathrow to Ontario

Cheapest flights from Heathrow to Ontario
Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Thu 6/38:55 a.m.LHR - YYZ

1 stop12h 25mAir Canada

Sat 15/39:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Deal found 19/2C$ 587

Wed 7/51:30 p.m.LHR - YYZ

1 stop11h 15mLufthansa

Sun 11/58:20 p.m.YYZ - LHR

1 stop8h 40mLufthansa

Deal found 19/2C$ 592

Wed 12/31:30 p.m.LHR - YYZ

1 stop11h 25mMultiple Airlines

Sat 22/310:05 p.m.YYZ - LHR

1 stop18h 30mMultiple Airlines

Deal found 20/2C$ 608

Sun 23/36:00 a.m.LHR - YTZ

2 stops15h 50mAir Canada

Tue 1/43:25 p.m.YTZ - LHR

1 stop10h 05mAir Canada

Deal found 20/2C$ 618

Sat 8/38:55 a.m.LHR - YYZ

1 stop12h 25mSWISS

Sat 22/39:30 p.m.YYZ - LHR

1 stop17h 45mSWISS

Deal found 20/2C$ 625

Mon 10/36:00 a.m.LHR - YYZ

1 stop13h 35mAustrian Airlines

Mon 17/35:00 p.m.YYZ - LHR

2 stops24h 20mAustrian Airlines

Deal found 20/2C$ 651

Tue 11/35:25 p.m.LHR - YTZ

2 stops30h 25mSWISS

Tue 18/36:25 p.m.YTZ - LHR

2 stops23h 00mSWISS

Deal found 20/2C$ 659

Thu 24/49:30 a.m.LHR - YTZ

1 stop10h 20mMultiple Airlines

Wed 30/412:25 p.m.YTZ - LHR

1 stop13h 05mMultiple Airlines

Deal found 20/2C$ 666

Fri 2/51:20 p.m.LHR - YYZ

Nonstop7h 40mFinnair

Fri 9/56:05 p.m.YYZ - LHR

Nonstop7h 10mFinnair

Deal found 20/2C$ 668

Wed 5/36:20 a.m.LHR - YYZ

1 stop20h 05mDelta

Sun 4/510:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Deal found 20/2C$ 673

Tue 4/38:40 p.m.LHR - YYZ

1 stop26h 35mIcelandair

Sun 16/38:45 p.m.YYZ - LHR

1 stop10h 05mIcelandair

Deal found 19/2C$ 675

Wed 12/311:05 a.m.LHR - YYZ

2 stops32h 30mBrussels Airlines

Wed 26/35:00 p.m.YYZ - LHR

2 stops13h 05mBrussels Airlines

Deal found 20/2C$ 692

Best flights from Heathrow to Ontario
Discover carefully curated flight deals from Heathrow to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Fri 7/38:55 a.m.LHR - YYZ

1 stop12h 25mAir Canada

Sat 22/39:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Deal found 20/2C$ 588

Wed 7/51:30 p.m.LHR - YYZ

1 stop11h 15mLufthansa

Sun 11/511:35 p.m.YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 20/2C$ 592

Wed 12/31:30 p.m.LHR - YYZ

1 stop11h 25mMultiple Airlines

Sat 22/39:10 p.m.YYZ - LHR

Nonstop7h 20mMultiple Airlines

Deal found 20/2C$ 608

Sat 8/38:55 a.m.LHR - YYZ

1 stop12h 25mSWISS

Sat 22/39:30 p.m.YYZ - LHR

1 stop17h 45mSWISS

Deal found 20/2C$ 625

Tue 29/410:25 a.m.LHR - YYZ

1 stop32h 25mAustrian Airlines

Mon 5/55:45 p.m.YYZ - LHR

1 stop33h 35mAustrian Airlines

Deal found 19/2C$ 643

Fri 2/51:20 p.m.LHR - YYZ

Nonstop7h 40mFinnair

Fri 9/56:05 p.m.YYZ - LHR

Nonstop7h 10mFinnair

Deal found 20/2C$ 668

Wed 5/32:45 p.m.LHR - YYZ

1 stop11h 40mDelta

Sat 3/510:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Deal found 20/2C$ 673

Wed 23/49:25 p.m.LHR - YYZ

1 stop29h 30mIcelandair

Tue 29/411:00 p.m.YYZ - LHR

1 stop16h 20mIcelandair

Deal found 20/2C$ 678

Wed 12/36:50 a.m.LHR - YYZ

2 stops36h 45mBrussels Airlines

Wed 9/44:00 p.m.YYZ - LHR

2 stops20h 05mBrussels Airlines

Deal found 20/2C$ 692

Mon 10/37:30 a.m.LHR - YYZ

2 stops16h 48mUnited Airlines

Mon 17/34:30 p.m.YYZ - LHR

2 stops13h 45mUnited Airlines

Deal found 20/2C$ 703

Fri 2/56:05 p.m.LHR - YUL

Nonstop7h 10mBritish Airways

Sat 10/510:05 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 19/2C$ 714

Fri 18/47:30 p.m.LHR - YYZ

1 stop25h 10mScandinavian Airlines

Tue 22/45:10 p.m.YYZ - LHR

2 stops18h 15mScandinavian Airlines

Deal found 20/2C$ 722

Direct flights from Heathrow to Ontario
Explore direct flight options from Heathrow to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2025.

Fri 7/36:00 p.m.LHR - YYZ

Nonstop8h 00mAir Canada

Tue 11/37:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Deal found 19/2C$ 619

Fri 25/412:05 p.m.LHR - YYZ

Nonstop7h 50mLufthansa

Fri 2/511:35 p.m.YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 19/2C$ 652

Thu 24/45:50 p.m.LHR - YYZ

Nonstop7h 50mAir France

Thu 15/510:30 p.m.YYZ - LHR

Nonstop7h 10mAir France

Deal found 20/2C$ 658

Fri 25/45:15 p.m.LHR - YYZ

Nonstop7h 55mFinnair

Mon 28/410:00 p.m.YYZ - LHR

Nonstop7h 15mFinnair

Deal found 20/2C$ 663

Thu 24/45:50 p.m.LHR - YYZ

Nonstop7h 50mDelta

Fri 2/510:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Deal found 20/2C$ 692

Mon 3/32:30 p.m.LHR - YYZ

Nonstop8h 15mMultiple Airlines

Tue 11/312:40 a.m.YYZ - LHR

Nonstop7h 10mMultiple Airlines

Deal found 20/2C$ 700

Thu 24/41:20 p.m.LHR - YYZ

Nonstop7h 40mAmerican Airlines

Tue 29/46:05 p.m.YYZ - LHR

Nonstop7h 10mAmerican Airlines

Deal found 19/2C$ 702

Tue 4/33:00 p.m.LHR - YUL

Nonstop7h 40mAir Canada

Tue 11/38:15 p.m.YUL - LHR

Nonstop6h 55mAir Canada

Deal found 19/2C$ 707

Thu 20/34:30 p.m.LHR - YUL

Nonstop7h 35mBritish Airways

Thu 10/410:05 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 20/2C$ 710

Wed 23/49:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Wed 30/410:20 p.m.YUL - LHR

Nonstop6h 40mLufthansa

Deal found 20/2C$ 722

Fri 21/34:30 p.m.LHR - YUL

Nonstop7h 35mMultiple Airlines

Fri 11/410:00 p.m.YUL - LHR

Nonstop6h 40mMultiple Airlines

Deal found 19/2C$ 764

Sat 22/34:30 p.m.LHR - YUL

Nonstop7h 35mAmerican Airlines

Tue 25/39:50 p.m.YUL - LHR

Nonstop6h 50mAmerican Airlines

Deal found 20/2C$ 773

Last-minute flights from Heathrow to Ontario
Discover last-minute flight deals from Heathrow to Ontario. Data last updated 21 February 2025 and is based on user searches.

Tue 25/28:40 p.m.LHR - YYZ

1 stop26h 35mIcelandair

Wed 12/38:45 p.m.YYZ - LHR

1 stop18h 45mIcelandair

Deal found 19/2C$ 713

Wed 26/23:00 p.m.LHR - YTZ

1 stop11h 50mAir Canada

Tue 4/310:25 a.m.YTZ - LHR

1 stop15h 45mAir Canada

Deal found 19/2C$ 625

Wed 26/26:00 p.m.LHR - YYZ

Nonstop8h 40mAir Canada

Tue 4/311:40 p.m.YYZ - LHR

Nonstop7h 10mAir Canada

Deal found 19/2C$ 634

Wed 26/26:30 a.m.LHR - YYZ

2 stops15h 44mDelta

Thu 13/310:15 p.m.YYZ - LHR

1 stop11h 35mDelta

Deal found 19/2C$ 736

Wed 26/22:10 p.m.LHR - YYZ

1 stop12h 09mAmerican Airlines

Thu 6/37:00 a.m.YYZ - LHR

1 stop10h 10mAmerican Airlines

Deal found 19/2C$ 761

Thu 27/23:00 p.m.LHR - YUL

Nonstop7h 40mAir Canada

Wed 5/37:15 p.m.YUL - LHR

Nonstop6h 55mAir Canada

Deal found 20/2C$ 724

Thu 27/24:30 p.m.LHR - YUL

Nonstop7h 35mBritish Airways

Wed 5/38:50 p.m.YUL - LHR

Nonstop6h 50mBritish Airways

Deal found 19/2C$ 740

Fri 28/210:10 a.m.LHR - YYZ

1 stop17h 42mAir France

Mon 3/311:30 p.m.YYZ - LHR

1 stop16h 55mAir France

Deal found 20/2C$ 720

Fri 28/212:05 p.m.LHR - YYZ

1 stop12h 15mUnited Airlines

Wed 5/32:00 p.m.YYZ - LHR

1 stop11h 20mUnited Airlines

Deal found 19/2C$ 744

Sat 1/312:05 p.m.LHR - YYZ

1 stop11h 52mLufthansa

Tue 4/36:10 p.m.YYZ - LHR

Nonstop7h 20mLufthansa

Deal found 19/2C$ 732

Sat 1/36:00 a.m.LHR - YYZ

1 stop13h 35mAustrian Airlines

Thu 13/37:05 p.m.YYZ - LHR

1 stop22h 35mAustrian Airlines

Deal found 20/2C$ 760

Sun 2/35:35 p.m.LHR - YYZ

1 stop32h 50mVirgin Atlantic

Sun 9/31:20 p.m.YYZ - LHR

1 stop13h 30mVirgin Atlantic

Deal found 20/2C$ 709

One-way flights from Heathrow to Ontario
Search for one-way flight options from Heathrow to Ontario. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Thu 6/38:40 p.m.LHR - YHM

1 stop25h 30mMultiple Airlines

Deal found 20/2C$ 406

Sun 22/63:15 p.m.LHR - YYZ

2 stops30h 36mMultiple Airlines

Deal found 19/2C$ 464

Sat 19/47:50 p.m.LHR - YYZ

1 stop23h 05mTAP AIR PORTUGAL

Deal found 19/2C$ 479

Thu 22/56:20 a.m.LHR - YTZ

3 stops15h 08mMultiple Airlines

Deal found 19/2C$ 487

Wed 21/56:15 a.m.LHR - YOW

2 stops23h 07mMultiple Airlines

Deal found 19/2C$ 507

Mon 26/56:20 a.m.LHR - YUL

2 stops17h 16mMultiple Airlines

Deal found 19/2C$ 557

Thu 12/61:45 p.m.LHR - YUL

1 stop12h 25mTAP AIR PORTUGAL

Deal found 19/2C$ 567

Wed 19/32:50 p.m.LHR - YHM

1 stop30h 23mWestJet

Deal found 20/2C$ 575

Wed 5/32:50 p.m.LHR - YYZ

2 stops30h 00mWestJet

Deal found 20/2C$ 591

Tue 4/32:50 p.m.LHR - YOW

1 stop14h 54mWestJet

Deal found 19/2C$ 598

Wed 26/27:50 a.m.LHR - YYZ

1 stop13h 00mAer Lingus

Deal found 19/2C$ 635

Thu 1/56:00 a.m.LHR - YUL

3 stops19h 10mAzores Airlines

Deal found 19/2C$ 685

Find flights from Heathrow to Ontario within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 6/3

8:55 a.m.-4:20 p.m.

1 stop12h 25m

Toronto Pearson Intl

Sat 15/3

9:10 p.m.-8:30 a.m.

Nonstop7h 20m

C$ 587

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 7/5

1:30 p.m.-7:45 p.m.

1 stop11h 15m

Toronto Pearson Intl

Sun 11/5

8:20 p.m.-10:00 a.m.

1 stop8h 40m

C$ 592

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 12/3

1:30 p.m.-8:55 p.m.

1 stop11h 25m

Toronto Pearson Intl

Sat 22/3

9:10 p.m.-8:30 a.m.

Nonstop7h 20m

C$ 608

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 26/3

8:55 a.m.-9:50 p.m.

2 stops16h 55m

Toronto Island

Tue 1/4

10:20 a.m.-6:30 a.m.

2 stops15h 10m

C$ 608

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 8/3

8:55 a.m.-4:20 p.m.

1 stop12h 25m

Toronto Pearson Intl

Sat 22/3

9:30 p.m.-7:15 p.m.

1 stop17h 45m

C$ 625

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 19/3

8:55 a.m.-9:50 p.m.

2 stops16h 55m

Toronto Island

Wed 26/3

10:20 a.m.-7:10 a.m.

2 stops16h 50m

C$ 626

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Mon 10/3

6:00 a.m.-3:35 p.m.

1 stop13h 35m

Toronto Pearson Intl

Sat 22/3

5:00 p.m.-10:05 a.m.

2 stops13h 05m

C$ 651

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 11/3

2:25 p.m.-7:50 p.m.

2 stops33h 25m

Toronto Island

Tue 18/3

6:25 p.m.-1:40 p.m.

2 stops15h 15m

C$ 660

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 2/5

1:20 p.m.-4:00 p.m.

Nonstop7h 40m

Toronto Pearson Intl

Fri 9/5

6:05 p.m.-6:15 a.m.

Nonstop7h 10m

C$ 668

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 5/3

6:20 a.m.-9:25 p.m.

1 stop20h 05m

Toronto Pearson Intl

Sun 4/5

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

C$ 673

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Heathrow with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Heathrow to Ontario

Get recent, data-driven insights about flights from Heathrow to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 167). Flying from London Heathrow Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to ON?

When flying from London Heathrow Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to Region of Ontario

The most flights from LHR to CAON are scheduled on a Wednesday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from London to Ontario, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Azores Airlines

7.6

Good

62 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Austrian Airlines

7.6

Good

773 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?
One-way options have recently been found by users for as low as C$ 479 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include WestJet from C$ 575 and Aer Lingus from C$ 635 one-way.
What are the most popular routes from London Heathrow Airport to Region of Ontario?
The most popular route from London Heathrow Airport to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Heathrow - Toronto Island or London Heathrow - Montreal Pierre Elliott Trudeau Intl.
What are the most reliable airlines from London Heathrow Airport to Region of Ontario?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Region of Ontario on time: Thai Airways (93%), Ethiopian Air (92%), SriLankan Airlines (90%).
What are the cheapest flights from London Heathrow Airport to Region of Ontario?
While on average a flight from London Heathrow Airport to Region of Ontario is generally C$ 1,713, our data shows the cheapest flight currently is C$ 649. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 592 for that flight.
Can I find deals for flights from Heathrow to Ontario that include hotel bookings?
Yes. In addition to deals on Heathrow to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ontario.
Can I find deals for business class flights from Heathrow to Ontario?
Yes. Cheapflights offers flight deals from Heathrow to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 167). Flying from London Heathrow Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Ontario

Heathrow to Pearson Intl flights

Heathrow to Vancouver Intl flights

Gatwick to Pearson Intl flights

Gatwick to Vancouver Intl flights

London City to Pearson Intl flights

Heathrow to Calgary flights

Heathrow to Pierre Elliott Trudeau Intl flights

London City to Vancouver Intl flights

Stansted to Pearson Intl flights

Gatwick to Pierre Elliott Trudeau Intl flights

Luton to Pearson Intl flights

Gatwick to Calgary flights

London City to Pierre Elliott Trudeau Intl flights

London City to Calgary flights

Luton to Pierre Elliott Trudeau Intl flights

Heathrow to Halifax flights

Heathrow to Abbotsford flights

Luton to Calgary flights

Heathrow to Ottawa flights

Stansted to Pierre Elliott Trudeau Intl flights

Heathrow to Winnipeg flights

Heathrow to London flights

Gatwick to Ottawa flights

Gatwick to Halifax flights

Heathrow to Edmonton flights

Heathrow to Victoria flights

Gatwick to Winnipeg flights

Gatwick to Hamilton flights

Gatwick to Edmonton flights

Luton to Vancouver Intl flights

Gatwick to St. John's flights

Stansted to Calgary flights

Gatwick to Victoria flights

Heathrow to St. John's flights

Heathrow to Saskatoon flights

London City to Saskatoon flights

Heathrow to Québec City flights

Heathrow to Hamilton flights

Gatwick to Saskatoon flights

Heathrow to Kelowna flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

London Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top 10 airlines flying from Heathrow to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Transat	CheapestC$ 607	AverageC$ 873	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Lufthansa	CheapestC$ 632	AverageC$ 877	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	CheapestC$ 638	AverageC$ 876	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
TAP AIR PORTUGAL	CheapestC$ 642	AverageC$ 1,038	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Virgin Atlantic	CheapestC$ 670	AverageC$ 896	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Iberia	CheapestC$ 673	AverageC$ 1,105	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Scandinavian Airlines	CheapestC$ 679	AverageC$ 1,185	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
British Airways	CheapestC$ 679	AverageC$ 916	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	CheapestC$ 728	AverageC$ 1,219	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 730	AverageC$ 928	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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Cheap flights from London Heathrow Airport to Ontario from C$ 406

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Ontario

Keep the following information in mind while searching for Heathrow to Ontario flight deals. Data was last updated 21 February 2025.

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Find flight deals from Heathrow to Ontario

Cheapest flights from Heathrow to OntarioExplore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Heathrow to Ontario within your budget

Best time to book a flight from Heathrow to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Heathrow with our price prediction graph.

Travel insights for flights from Heathrow to Ontario

Get recent, data-driven insights about flights from Heathrow to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

What is the cheapest time of day to fly from LHR to ON?

Find hourly flight availability from Heathrow to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

Weekly flight availability from London Heathrow Airport to Region of Ontario

Explore weekly flight availability from Heathrow to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 February 2025.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from London to Ontario, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?

What are the most popular routes from London Heathrow Airport to Region of Ontario?

What are the most reliable airlines from London Heathrow Airport to Region of Ontario?

What are the cheapest flights from London Heathrow Airport to Region of Ontario?

Can I find deals for flights from Heathrow to Ontario that include hotel bookings?

How can I find direct flights from Heathrow to Ontario?

Can I find deals for business class flights from Heathrow to Ontario?

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

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Alternative routes for Heathrow to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Ontario

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Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ontario?

Can Cheapflights find flights from Heathrow to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Ontario become cheaper?

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Cheapest flights from Heathrow to Ontario
Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.