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Cheap flights from Ontario to London from C$ 438

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 13/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
23 Dec — 30 Dec1
1 adult

Cheap flight deals from Ontario to London

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 December 2024.

Round-trip from

C$ 723

One-way from

C$ 438
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/1-26/1
  • 2 total stops
  • 27h 25m total
  • Ontario to London
Search Deals
WestJet
  • WestJet
  • 13/1
  • 2 total stops
  • 22h 20m total
  • Ontario to London
Search Deals

Find flight deals from Ontario to London

Cheapest flights from Ontario to London
Explore the most affordable flight options available from Ontario to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 31/1212:00 p.m.YYZ - LHR
1 stop14h 10mAir Canada
Thu 9/19:00 a.m.LHR - YYZ
1 stop16h 11mAir Canada
Deal found 17/12C$ 924
Tue 31/123:25 p.m.YTZ - LHR
1 stop10h 45mAir Canada
Thu 9/19:00 a.m.LHR - YTZ
2 stops14h 43mAir Canada
Deal found 17/12C$ 947
Mon 30/129:35 p.m.YYZ - LHR
1 stop18h 00mMultiple Airlines
Tue 14/16:30 a.m.LHR - YYZ
1 stop11h 50mMultiple Airlines
Deal found 18/12C$ 983
Mon 30/129:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Tue 28/111:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 17/12C$ 988
Tue 31/126:35 p.m.YYZ - LHR
1 stop11h 40mUnited Airlines
Mon 13/110:00 a.m.LHR - YYZ
2 stops15h 25mUnited Airlines
Deal found 17/12C$ 995
Sat 28/128:10 p.m.YYZ - LHR
Nonstop7h 20mLufthansa
Fri 31/17:40 a.m.LHR - YYZ
1 stop12h 15mLufthansa
Deal found 17/12C$ 1,008
Sat 28/128:10 p.m.YUL - LGW
1 stop32h 35mAir Transat
Sun 26/111:40 a.m.LGW - YUL
1 stop26h 20mAir Transat
Deal found 16/12C$ 1,024
Mon 30/127:45 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Sun 12/18:40 p.m.LHR - YYZ
1 stop26h 35mIcelandair
Deal found 18/12C$ 1,027
Mon 30/128:55 p.m.YUL - LHR
1 stop18h 40mAir Canada
Mon 3/28:55 a.m.LHR - YUL
1 stop11h 20mAir Canada
Deal found 16/12C$ 1,033
Tue 31/127:05 p.m.YUL - LHR
1 stop18h 15mVirgin Atlantic
Mon 20/111:45 a.m.LHR - YUL
1 stop10h 25mVirgin Atlantic
Deal found 17/12C$ 1,048
Sun 29/127:15 p.m.YYZ - LGW
1 stop10h 40mIcelandair
Sun 26/111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Deal found 18/12C$ 1,054
Fri 27/1211:05 p.m.YUL - LHR
1 stop12h 30mAir France
Sat 1/29:00 a.m.LHR - YUL
1 stop11h 25mAir France
Deal found 16/12C$ 1,060

Find flights from Ontario to London within your budget

Customize your flight search to find flights from Ontario to London 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 629,999 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 29/1

11:30 p.m.-6:20 p.m.

1 stop13h 50m

London Heathrow

Wed 12/2

10:00 a.m.-3:40 p.m.

1 stop10h 40m

C$ 724

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 18/1

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

Nonstop7h 10m

London Gatwick

Sat 25/1

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 724

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 17/1

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

Nonstop7h 10m

London Gatwick

Fri 31/1

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

C$ 726

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Sat 18/1

7:10 p.m.-11:10 a.m.

1 stop11h 00m

London Stansted

Sat 25/1

6:50 p.m.-12:05 p.m.

1 stop22h 15m

C$ 726

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 15/1

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

1 stop15h 45m

London Heathrow

Fri 24/1

8:55 a.m.-8:10 a.m.

2 stops28h 15m

C$ 727

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 9/1

3:30 p.m.-7:10 a.m.

1 stop10h 40m

London Heathrow

Thu 16/1

8:30 a.m.-4:15 p.m.

1 stop12h 45m

C$ 727

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 17/1

6:05 p.m.-11:10 a.m.

1 stop12h 05m

London Heathrow

Sun 19/1

6:30 a.m.-3:40 p.m.

1 stop14h 10m

C$ 731

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 20/1

10:45 p.m.-10:40 p.m.

1 stop18h 55m

London Heathrow

Fri 24/1

12:25 p.m.-9:15 p.m.

1 stop13h 50m

C$ 733

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 22/1

11:25 p.m.-11:50 a.m.

Nonstop7h 25m

London Heathrow

Wed 29/1

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

1 stop12h 25m

C$ 734

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 9/6

5:35 p.m.-9:16 a.m.

1 stop10h 41m

London Gatwick

Mon 16/6

4:25 p.m.-1:55 p.m.

1 stop26h 30m

C$ 734

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

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Best time to book a flight from Ontario to London

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

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London (average of C$ 560). Flying from Region of Ontario to London 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 LON?

Find hourly flight availability from Ontario to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

When flying from Region of Ontario to London, 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 London

Explore weekly flight availability from Ontario to London. 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 18 December 2024.

The most flights from CAON to LON are scheduled on a Monday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (28 on average).

Rainfall in London by month

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

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

Temperature in London by month

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

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

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 18 December 2024.
See what other customers who have flown with Air Canada, KLM and Icelandair from Ontario to London have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Porter Airlines
7.9
Good
283 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Air Transat
7.8
Good
389 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

Reviews

1 / 10

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

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.6

Food

7.3

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 London. 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 one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as C$ 438. Users have also found prices from C$ 438 and C$ 453 on TAP AIR PORTUGAL and Azores Airlines, respectively.

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

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

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

    Consider Ethiopian Air (86%), Singapore Airlines (85%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Region of Ontario to London.

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

    On average you can expect to pay C$ 2,278 for a flight from Region of Ontario to London. The cheapest flight overall is C$ 790 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 653.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to London 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?

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

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Alternative routes for Ontario to London

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

Discover the top 10 airlines that operate flights from Ontario to London. 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 629,999 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 383AverageC$ 673FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapestC$ 543AverageC$ 666FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapestC$ 615AverageC$ 775FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapestC$ 620AverageC$ 896FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 625AverageC$ 812FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 673AverageC$ 977FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
FinnairCheapestC$ 690AverageC$ 967FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Porter AirlinesCheapestC$ 704AverageC$ 967FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
KLMCheapestC$ 734AverageC$ 1,111FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapestC$ 770AverageC$ 993FlexibilityNo cancel feeOn-time70%
Search British Airways 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 London?

Cheapflights helps you search for flights from Ontario to London 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 London?

Cheapflights simply makes it quick and affordable to book flights from Ontario to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Need flexible booking options for your flight to London from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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