What are the cheapest airlines to fly from Region of Ontario to United Kingdom one-way?

One-way options have recently been found by users for as low as C$ 342 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 349 and Porter Airlines from C$ 351 one-way.

How far in advance should I book a flight from Region of Ontario to United Kingdom?

Travellers have found it’s best to book a flight 50 days in advance to save up to 23% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 50 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Region of Ontario to United Kingdom 1-2 weeks in advance for as low as C$ 913, or C$ 1,150 for flights within the next 24 hours.

What is the cheapest month to fly from Region of Ontario to United Kingdom?

Flights from Region of Ontario to United Kingdom lean towards being more expensive in December. Prices are generally better when you fly from Region of Ontario to United Kingdom in February, with the cheapest ticket starting at C$ 539.

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

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

How can I find direct flights from Ontario to United Kingdom?

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

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

Yes. Cheapflights offers flight deals from Ontario to United Kingdom 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$ 687+ Flights from Ontario to the United Kingdom

Cheap flight deals from Ontario to United Kingdom

Round-trip from	C$ 652
One-way from	C$ 342
Popular in	December
Cheapest in	February
Average price	C$ 730
Good round-trip deal	C$ 675 or less
Good one-way deal	C$ 365 or less

Porter Airlines
12/4-18/4
Nonstop
15h 30m total
Ontario to United Kingdom

Search Deals

WestJet
15/6
Nonstop
6h 50m total
Ontario to United Kingdom

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (C$ 23 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 Ontario to United Kingdom.

Search Deals

Price to beat on a one-way flight from Ontario to United Kingdom.

Search Deals

Find flight deals from Ontario to United Kingdom

Cheapest flights from Ontario to United Kingdom
Explore the most affordable flight options available from Ontario to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Sat 12/410:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Fri 18/412:40 p.m.LGW - YYZ

Nonstop8h 20mPorter Airlines

Deal found 21/2C$ 652

Sun 23/36:35 p.m.YYZ - LHR

1 stop14h 05mTAP AIR PORTUGAL

Sun 30/36:00 a.m.LHR - YYZ

1 stop12h 55mTAP AIR PORTUGAL

Deal found 21/2C$ 653

Sun 23/310:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Thu 27/311:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 21/2C$ 653

Sun 16/39:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Mon 24/36:00 a.m.LHR - YYZ

1 stop13h 35mAir Canada

Deal found 21/2C$ 657

Wed 7/511:15 p.m.YYZ - LGW

1 stop29h 35mMultiple Airlines

Tue 13/55:20 p.m.LGW - YYZ

1 stop25h 50mMultiple Airlines

Deal found 21/2C$ 664

Thu 17/44:20 p.m.YTZ - LHR

1 stop9h 10mAir Canada

Wed 23/46:50 a.m.LHR - YTZ

2 stops13h 00mAir Canada

Deal found 21/2C$ 667

Wed 7/510:10 p.m.YYZ - STN

1 stop17h 45mMultiple Airlines

Tue 13/58:15 a.m.STN - YYZ

1 stop10h 55mMultiple Airlines

Deal found 21/2C$ 704

Wed 7/510:10 p.m.YYZ - LTN

1 stop12h 15mMultiple Airlines

Tue 13/59:50 p.m.LTN - YYZ

1 stop21h 20mMultiple Airlines

Deal found 21/2C$ 718

Thu 20/37:10 p.m.YYZ - LHR

Nonstop7h 20mLufthansa

Tue 25/31:30 p.m.LHR - YYZ

1 stop11h 25mLufthansa

Deal found 21/2C$ 727

Fri 21/33:25 p.m.YTZ - LHR

2 stops14h 40mMultiple Airlines

Fri 28/37:40 a.m.LHR - YTZ

2 stops18h 10mMultiple Airlines

Deal found 21/2C$ 742

Sat 31/56:00 p.m.YUL - LGW

1 stop11h 45mAir Transat

Wed 18/612:40 p.m.LGW - YUL

1 stop16h 57mAir Transat

Deal found 21/2C$ 754

Fri 2/510:00 a.m.YUL - LGW

1 stop19h 45mPorter Airlines

Sun 11/512:40 p.m.LGW - YUL

1 stop16h 57mPorter Airlines

Deal found 21/2C$ 755

Best flights from Ontario to United Kingdom
Discover carefully curated flight deals from Ontario to United Kingdom that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 22 February 2025.

Sat 12/410:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Fri 18/412:40 p.m.LGW - YYZ

Nonstop8h 20mPorter Airlines

Deal found 21/2C$ 652

Sun 23/36:35 p.m.YYZ - LHR

1 stop14h 05mTAP AIR PORTUGAL

Sun 30/36:00 a.m.LHR - YYZ

1 stop12h 55mTAP AIR PORTUGAL

Deal found 21/2C$ 653

Sun 23/310:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Thu 27/311:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 21/2C$ 653

Sun 16/39:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Mon 24/36:00 a.m.LHR - YYZ

1 stop13h 35mAir Canada

Deal found 21/2C$ 657

Wed 7/511:15 p.m.YYZ - LGW

1 stop29h 35mMultiple Airlines

Tue 13/55:20 p.m.LGW - YYZ

1 stop25h 50mMultiple Airlines

Deal found 21/2C$ 664

Thu 20/37:10 p.m.YYZ - LHR

Nonstop7h 20mLufthansa

Tue 25/31:30 p.m.LHR - YYZ

1 stop11h 25mLufthansa

Deal found 21/2C$ 727

Mon 28/45:35 p.m.YYZ - LGW

1 stop10h 50mWestJet

Tue 10/610:45 a.m.LGW - YYZ

1 stop11h 06mWestJet

Deal found 21/2C$ 772

Sun 6/48:50 p.m.YYZ - LGW

1 stop9h 55mIcelandair

Sun 13/43:40 p.m.LGW - YYZ

1 stop32h 30mIcelandair

Deal found 20/2C$ 786

Wed 23/412:25 p.m.YYZ - LHR

1 stop13h 30mUnited Airlines

Tue 6/57:25 a.m.LHR - YYZ

2 stops19h 58mUnited Airlines

Deal found 21/2C$ 794

Sun 23/37:05 p.m.YYZ - LHR

1 stop15h 00mAustrian Airlines

Tue 1/47:30 p.m.LHR - YYZ

1 stop23h 20mAustrian Airlines

Deal found 22/2C$ 801

Sat 12/46:25 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Thu 17/41:20 p.m.LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 22/2C$ 802

Thu 10/410:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Mon 21/45:50 p.m.LHR - YYZ

Nonstop7h 50mDelta

Deal found 21/2C$ 830

Direct flights from Ontario to United Kingdom
Explore direct flight options from Ontario to United Kingdom based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 February 2025.

Sat 12/410:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Fri 18/412:40 p.m.LGW - YYZ

Nonstop8h 20mPorter Airlines

Deal found 21/2C$ 652

Sun 23/310:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Thu 27/311:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 21/2C$ 653

Sun 16/39:10 p.m.YYZ - LHR

Nonstop7h 20mAir Canada

Mon 24/36:00 p.m.LHR - YYZ

Nonstop8h 00mAir Canada

Deal found 21/2C$ 700

Wed 12/37:10 p.m.YYZ - LHR

Nonstop7h 20mLufthansa

Wed 26/36:00 p.m.LHR - YYZ

Nonstop8h 00mLufthansa

Deal found 21/2C$ 730

Fri 28/37:10 p.m.YYZ - LHR

Nonstop7h 20mMultiple Airlines

Sun 6/45:40 p.m.LHR - YYZ

Nonstop7h 50mMultiple Airlines

Deal found 21/2C$ 768

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

Nonstop7h 15mBritish Airways

Sat 19/45:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 21/2C$ 799

Thu 1/510:05 p.m.YUL - LGW

Nonstop6h 45mPorter Airlines

Wed 7/511:35 a.m.LGW - YUL

Nonstop7h 40mPorter Airlines

Deal found 21/2C$ 816

Wed 16/410:30 p.m.YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Sun 20/45:50 p.m.LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 21/2C$ 826

Sun 2/310:05 p.m.YYZ - LHR

Nonstop7h 10mAmerican Airlines

Mon 10/35:05 p.m.LHR - YYZ

Nonstop8h 10mAmerican Airlines

Deal found 21/2C$ 828

Thu 10/410:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Mon 21/45:50 p.m.LHR - YYZ

Nonstop7h 50mDelta

Deal found 21/2C$ 830

Sat 3/510:25 p.m.YUL - LHR

Nonstop6h 35mLufthansa

Wed 21/59:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Deal found 20/2C$ 835

Wed 25/610:15 p.m.YYZ - EDI

Nonstop6h 50mWestJet

Thu 10/711:30 a.m.EDI - YYZ

Nonstop7h 40mWestJet

Deal found 21/2C$ 859

Last-minute flights from Ontario to United Kingdom
Discover last-minute flight deals from Ontario to United Kingdom. Data last updated 22 February 2025 and is based on user searches.

Wed 26/28:10 p.m.YYZ - LHR

Nonstop7h 20mMultiple Airlines

Mon 3/35:10 p.m.LHR - YYZ

1 stop27h 50mMultiple Airlines

Deal found 21/2C$ 758

Wed 26/27:25 p.m.YYZ - LGW

1 stop34h 10mMultiple Airlines

Tue 27/512:40 p.m.LGW - YYZ

Nonstop8h 00mMultiple Airlines

Deal found 21/2C$ 894

Thu 27/29:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Thu 6/311:40 a.m.LGW - YYZ

Nonstop8h 20mPorter Airlines

Deal found 21/2C$ 663

Thu 27/29:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Wed 5/311:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 21/2C$ 670

Thu 27/26:00 p.m.YYZ - LCY

1 stop9h 10mVirgin Atlantic

Tue 4/37:45 a.m.LCY - YYZ

1 stop16h 30mVirgin Atlantic

Deal found 21/2C$ 883

Sat 1/33:30 p.m.YYZ - LHR

1 stop14h 45mUnited Airlines

Mon 31/34:40 p.m.LHR - YYZ

1 stop22h 24mUnited Airlines

Deal found 21/2C$ 811

Sun 2/38:10 p.m.YYZ - LHR

Nonstop7h 20mLufthansa

Tue 11/31:30 p.m.LHR - YYZ

1 stop11h 25mLufthansa

Deal found 21/2C$ 727

Sun 2/36:35 p.m.YYZ - LHR

1 stop10h 55mDelta

Sun 9/36:30 a.m.LHR - YYZ

1 stop14h 10mDelta

Deal found 21/2C$ 832

Sun 2/36:00 p.m.YYZ - LHR

Nonstop7h 15mAmerican Airlines

Thu 13/312:55 p.m.LHR - YYZ

1 stop12h 56mAmerican Airlines

Deal found 21/2C$ 867

Mon 3/36:15 p.m.YYZ - LHR

1 stop10h 30mAir Canada

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

1 stop12h 25mAir Canada

Deal found 21/2C$ 724

Mon 3/37:45 p.m.YYZ - STN

1 stop22h 50mMultiple Airlines

Tue 27/510:35 p.m.STN - YYZ

1 stop20h 35mMultiple Airlines

Deal found 21/2C$ 828

Tue 4/37:15 p.m.YUL - LHR

Nonstop6h 55mMultiple Airlines

Wed 12/36:00 a.m.LHR - YUL

1 stop12h 55mMultiple Airlines

Deal found 21/2C$ 891

One-way flights from Ontario to United Kingdom
Search for one-way flight options from Ontario to United Kingdom. Find affordable one-way fares based on user searches. Data last updated 22 February 2025.

Sun 15/610:15 p.m.YYZ - EDI

Nonstop6h 50mWestJet

Deal found 20/2C$ 342

Wed 7/511:15 p.m.YYZ - LGW

1 stop29h 35mAir Transat

Deal found 21/2C$ 349

Wed 9/410:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Deal found 21/2C$ 351

Sat 5/48:15 p.m.YYZ - LGW

1 stop32h 45mMultiple Airlines

Deal found 21/2C$ 365

Wed 26/37:45 a.m.YYZ - LHR

1 stop25h 05mMultiple Airlines

Deal found 21/2C$ 382

Tue 27/56:20 p.m.YYZ - EDI

2 stops15h 45mMultiple Airlines

Deal found 20/2C$ 412

Tue 13/510:00 a.m.YUL - LGW

1 stop19h 45mPorter Airlines

Deal found 21/2C$ 413

Wed 7/510:10 p.m.YYZ - STN

1 stop17h 45mMultiple Airlines

Deal found 21/2C$ 413

Sat 3/510:05 p.m.YUL - LGW

Nonstop6h 45mAir Transat

Deal found 21/2C$ 419

Tue 25/39:00 p.m.YYZ - LTN

1 stop12h 50mMultiple Airlines

Deal found 21/2C$ 423

Sun 30/36:45 a.m.YUL - LGW

1 stop23h 00mMultiple Airlines

Deal found 20/2C$ 426

Wed 14/55:40 p.m.YYZ - LHR

1 stop11h 40mTAP AIR PORTUGAL

Deal found 21/2C$ 427

Find flights from Ontario to United Kingdom within your budget

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 12/4

10:35 p.m.-10:45 a.m.

Nonstop7h 10m

London Gatwick

Fri 18/4

12:40 p.m.-4:00 p.m.

Nonstop8h 20m

C$ 652

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 23/3

6:35 p.m.-12:40 p.m.

1 stop14h 05m

London Heathrow

Sun 30/3

6:00 a.m.-1:55 p.m.

1 stop12h 55m

C$ 653

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 23/3

10:35 p.m.-9:45 a.m.

Nonstop7h 10m

London Gatwick

Thu 27/3

11:40 a.m.-4:00 p.m.

Nonstop8h 20m

C$ 653

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 16/3

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

Nonstop7h 20m

London Heathrow

Mon 24/3

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

1 stop13h 35m

C$ 657

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 7/5

11:15 p.m.-9:50 a.m.

1 stop29h 35m

London Gatwick

Tue 13/5

5:20 p.m.-2:10 p.m.

1 stop25h 50m

C$ 664

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 17/4

4:20 p.m.-6:30 a.m.

1 stop9h 10m

London Heathrow

Wed 23/4

6:50 a.m.-2:50 p.m.

2 stops13h 00m

C$ 667

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 7/5

10:10 p.m.-8:55 p.m.

1 stop17h 45m

London Stansted

Tue 13/5

8:15 a.m.-2:10 p.m.

1 stop10h 55m

C$ 704

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 7/5

10:10 p.m.-3:25 p.m.

1 stop12h 15m

London Luton

Tue 13/5

9:50 p.m.-2:10 p.m.

1 stop21h 20m

C$ 718

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 20/3

7:10 p.m.-6:30 a.m.

Nonstop7h 20m

London Heathrow

Tue 25/3

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

1 stop11h 25m

C$ 727

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Fri 21/3

3:25 p.m.-10:05 a.m.

2 stops14h 40m

London Heathrow

Fri 28/3

7:40 a.m.-9:50 p.m.

2 stops18h 10m

C$ 742

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 Ontario to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom from Ontario 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 Ontario to United Kingdom

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

What is the cheapest month to book a flight from Region of Ontario to United Kingdom?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to United Kingdom (average of C$ 560). Flying from Region of Ontario to United Kingdom in July is currently the most expensive (average of C$ 874). 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 ON to GB?

When flying from Region of Ontario to United Kingdom, 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 Region of Ontario to United Kingdom

The most flights from CAON to GB0 are scheduled on a Friday (36 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in United Kingdom by month

In terms of precipitation, rainfall in United Kingdom ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit United Kingdom when rainfall is around 40.0 mm.

Temperature in United Kingdom by month

If weather is an important factor for your trip to United Kingdom, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing United Kingdom

Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Ontario to United Kingdom. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,212 reviews

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

277 reviews

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,330 reviews

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

382 reviews

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LOT

7.6

Good

1,079 reviews

Delta

8.0

Very good

8,212 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Region of Ontario to United Kingdom one-way?
One-way options have recently been found by users for as low as C$ 342 on WestJet. Other airlines that offer cheap prices include Air Transat from C$ 349 and Porter Airlines from C$ 351 one-way.
Can I find deals for flights from Ontario to United Kingdom that include hotel bookings?
Yes. In addition to deals on Ontario to United Kingdom flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to United Kingdom?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to United Kingdom.
Can I find deals for business class flights from Ontario to United Kingdom?
Yes. Cheapflights offers flight deals from Ontario to United Kingdom 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 Region of Ontario to United Kingdom?
Currently, January is the cheapest month in which you can book a flight from Region of Ontario to United Kingdom (average of C$ 560). Flying from Region of Ontario to United Kingdom in July is currently the most expensive (average of C$ 874). 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

Top 10 airlines flying from Ontario to United Kingdom

Airline	Cheapest	Average	Flexibility	On-time
PLAY	CheapestC$ 402	AverageC$ 675	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
Finnair	CheapestC$ 521	AverageC$ 1,049	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
TAP AIR PORTUGAL	CheapestC$ 546	AverageC$ 705	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Scandinavian Airlines	CheapestC$ 611	AverageC$ 1,035	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Aer Lingus	CheapestC$ 622	AverageC$ 970	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Icelandair	CheapestC$ 634	AverageC$ 962	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
WestJet	CheapestC$ 658	AverageC$ 926	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 664	AverageC$ 1,007	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 665	AverageC$ 1,033	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	CheapestC$ 694	AverageC$ 1,233	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to United Kingdom?

Deals for Ontario to United Kingdom flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to United Kingdom from Ontario.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to United Kingdom, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Ontario to United Kingdom flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Ontario to the United Kingdom from C$ 342

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to United Kingdom

Keep the following information in mind while searching for Ontario to United Kingdom flight deals. Data was last updated 22 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Ontario to United Kingdom

Cheapest flights from Ontario to United KingdomExplore the most affordable flight options available from Ontario to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Explore the most affordable flight options available from Ontario to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Find flights from Ontario to United Kingdom within your budget

Best time to book a flight from Ontario to United Kingdom

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

Travel insights for flights from Ontario to United Kingdom

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

What is the cheapest month to book a flight from Region of Ontario to United Kingdom?

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

Find hourly flight availability from Ontario to United Kingdom. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

Weekly flight availability from Region of Ontario to United Kingdom

Rainfall in United Kingdom by month

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

Temperature in United Kingdom by month

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

Reviews of airlines servicing United Kingdom

Read reviews from past customers who have flown Delta, Porter Airlines and KLM from Ontario to United Kingdom. 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 Ontario to United Kingdom. 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 Region of Ontario to United Kingdom one-way?

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

How can I find direct flights from Ontario to United Kingdom?

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

What is the cheapest month to book a flight from Region of Ontario to United Kingdom?

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Alternative routes for Ontario to United Kingdom

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Top 10 airlines flying from Ontario to United Kingdom

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Cheapest flights from Ontario to United Kingdom
Explore the most affordable flight options available from Ontario to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.