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Cheap flights from Ontario to London Heathrow Airport from C$ 341

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 25/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
5 Nov — 12 Nov1
1 adult

Find flights from Ontario to Heathrow within your budget

Customize your flight search to find flights from Ontario to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.

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Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 25/11

6:15 a.m.-12:50 p.m.

1 stop25h 35m

C$ 341

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 6/12

10:00 a.m.-12:50 p.m.

2 stops21h 50m

C$ 352

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 24/11

7:45 p.m.-10:50 a.m.

1 stop10h 05m

C$ 424

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 17/11

10:45 p.m.-5:30 p.m.

1 stop13h 45m

C$ 426

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 6/11

9:05 p.m.-12:40 p.m.

2 stops34h 35m

C$ 533

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 1/1

5:35 p.m.-8:05 a.m.

1 stop9h 30m

C$ 570

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 12/2

12:15 p.m.-9:40 p.m.

2 stops28h 25m

C$ 668

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 28/11

8:35 p.m.-3:50 p.m.

1 stop14h 15m

C$ 672

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Mon 3/2

6:20 p.m.-7:30 p.m.

1 stop20h 10m

C$ 356

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sun 1/12

10:25 a.m.-7:10 a.m.

1 stop15h 45m

C$ 789

Flights are sorted by cheapest first

Deals found on 30/10

Showing 1-10 of 60 results
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Find flight deals from Ontario to Heathrow

Cheapest flights from Ontario to Heathrow
Explore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2024.

Wed 27/116:20 p.m.YHM - LHR
1 stop15h 35mMultiple Airlines
Wed 4/127:30 a.m.LHR - YHM
1 stop14h 40mMultiple Airlines
Deal found 30/10C$ 653
Wed 4/1210:45 p.m.YYZ - LHR
1 stop11h 45mTAP AIR PORTUGAL
Fri 13/1212:25 p.m.LHR - YYZ
1 stop13h 50mTAP AIR PORTUGAL
Deal found 30/10C$ 721
Sun 17/117:45 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Sat 23/118:40 p.m.LHR - YYZ
1 stop26h 35mIcelandair
Deal found 30/10C$ 730
Fri 15/118:10 p.m.YYZ - LHR
Nonstop7h 20mMultiple Airlines
Thu 21/119:30 a.m.LHR - YYZ
1 stop11h 45mMultiple Airlines
Deal found 30/10C$ 733
Fri 15/118:10 p.m.YYZ - LHR
Nonstop7h 20mAir Canada
Sat 23/119:30 a.m.LHR - YYZ
1 stop11h 45mAir Canada
Deal found 30/10C$ 746
Tue 12/116:00 p.m.YYZ - LHR
Nonstop7h 15mBritish Airways
Wed 20/113:35 p.m.LHR - YYZ
1 stop11h 16mBritish Airways
Deal found 31/10C$ 757
Tue 12/115:35 p.m.YYZ - LHR
1 stop11h 45mAer Lingus
Wed 20/119:50 a.m.LHR - YYZ
1 stop11h 00mAer Lingus
Deal found 31/10C$ 782
Sat 9/1112:20 p.m.YYZ - LHR
1 stop13h 30mVirgin Atlantic
Sat 23/1111:15 a.m.LHR - YYZ
1 stop13h 00mVirgin Atlantic
Deal found 30/10C$ 787
Mon 2/125:25 p.m.YTZ - LHR
2 stops14h 35mMultiple Airlines
Mon 9/1211:10 a.m.LHR - YTZ
2 stops15h 40mMultiple Airlines
Deal found 30/10C$ 793
Sat 16/118:10 p.m.YYZ - LHR
Nonstop7h 20mLufthansa
Mon 25/113:00 p.m.LHR - YYZ
Nonstop8h 15mLufthansa
Deal found 30/10C$ 793
Mon 11/1111:30 p.m.YYZ - LHR
1 stop12h 05mAir France
Mon 18/119:00 a.m.LHR - YYZ
1 stop17h 25mAir France
Deal found 30/10C$ 807
Thu 28/116:05 p.m.YYZ - LHR
1 stop31h 50mDelta
Thu 5/128:40 a.m.LHR - YYZ
1 stop15h 35mDelta
Deal found 30/10C$ 814

Best time to book a flight from Ontario to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of C$ 560). Flying from Region of Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 878). 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 LHR?

Find hourly flight availability from Ontario to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2024.

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

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 31 October 2024.
Get a feel of what it's like to fly with British Airways, American Airlines and TAP AIR PORTUGAL from Ontario to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,352 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Finnair
7.7
Good
1,318 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.7
Good
829 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

SWISS
7.6
Good
1,644 reviews
Delta
8.0
Very good
8,835 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Reviews

1 / 10

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Heathrow. 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 London Heathrow Airport one-way?

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 341. However, be on the lookout for offers from Icelandair and TAP AIR PORTUGAL, as they are both options that can get you from Region of Ontario to London Heathrow Airport for a low price.

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

    The most popular flight routes from Region of Ontario to London Heathrow Airport are Toronto Pearson Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Heathrow and Toronto Island - London Heathrow.

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to London Heathrow Airport consider choosing American Airlines (69%), Aer Lingus (69%) or Finnair (69%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 2,331 for a flight from Region of Ontario to London Heathrow Airport. The cheapest flight overall is C$ 705 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 573.

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

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

  • How can I find direct flights from Ontario to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Heathrow 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 London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of C$ 560). Flying from Region of Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 878). 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

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Alternative routes for Ontario to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Victoria to London City flights
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Top 10 airlines flying from Ontario to Heathrow

Discover the top 10 airlines that operate flights from Ontario to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 527,020 searches. Data last updated 31 October 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 376AverageC$ 617FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapestC$ 506AverageC$ 660FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 602AverageC$ 863FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 607AverageC$ 794FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Scandinavian AirlinesCheapestC$ 619AverageC$ 713FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air TransatCheapestC$ 657AverageC$ 838FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
FinnairCheapestC$ 679AverageC$ 936FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Porter AirlinesCheapestC$ 715AverageC$ 963FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 727AverageC$ 1,066FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 762AverageC$ 1,127FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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 Ontario to Heathrow?

Cheapflights helps you search for flights from Ontario to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Ontario to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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