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Cheap flights from Canada to London from C$ 338

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
4 May — 11 May1
1 adult

Cheap flight deals from Canada to London

Keep the following information in mind while searching for Canada to London flight deals. Data was last updated 29 April 2025.

Round-trip from

C$ 669

One-way from

C$ 338

Popular in

December

Cheapest in

February

Average price

C$ 772

Good round-trip deal

C$ 575 or less

Good one-way deal

C$ 224 or less
Air Transat
  • Air Transat
  • 24/5-30/5
  • Nonstop
  • 15h 00m total
  • Canada to London
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WestJet
  • WestJet
  • 8/5
  • 1 total stop
  • 10h 05m total
  • Canada to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Canada to London (LON).
Search Deals
Price to beat on a one-way flight from Canada to London (LON).
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Find flight deals from Canada to London

Cheapest flights from Canada to London
Explore the most affordable flight options available from Canada to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Sat 24/510:45 p.m.YYZ - LGW
Nonstop7h 00mAir Transat
Fri 30/512:40 p.m.LGW - YYZ
Nonstop8h 00mAir Transat
Deal found 28/4C$ 669
Mon 20/105:50 p.m.YYZ - LHR
1 stop18h 55mTAP AIR PORTUGAL
Sat 25/107:50 p.m.LHR - YYZ
1 stop31h 20mTAP AIR PORTUGAL
Deal found 27/4C$ 671
Mon 19/59:00 p.m.YTZ - LGW
1 stop31h 50mPorter Airlines
Wed 28/511:35 a.m.LGW - YTZ
1 stop11h 35mPorter Airlines
Deal found 27/4C$ 672
Thu 1/511:20 p.m.YYZ - LHR
1 stop26h 10mAir Canada
Tue 6/58:45 a.m.LHR - YYZ
1 stop12h 40mAir Canada
Deal found 28/4C$ 672
Fri 17/1011:55 p.m.YYZ - LTN
1 stop10h 50mMultiple Airlines
Wed 22/1010:00 a.m.LTN - YYZ
1 stop10h 50mMultiple Airlines
Deal found 28/4C$ 680
Tue 13/54:25 p.m.YYZ - LGW
1 stop12h 25mPorter Airlines
Wed 21/511:35 a.m.LGW - YYZ
1 stop12h 33mPorter Airlines
Deal found 28/4C$ 686
Wed 4/611:00 p.m.YYZ - LGW
1 stop10h 40mIcelandair
Wed 11/63:40 p.m.LGW - YYZ
1 stop11h 15mIcelandair
Deal found 28/4C$ 690
Thu 22/58:50 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Fri 30/59:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 28/4C$ 696
Fri 23/59:00 p.m.YTZ - LGW
1 stop31h 50mAir Transat
Sun 8/611:35 a.m.LGW - YTZ
1 stop25h 45mAir Transat
Deal found 28/4C$ 698
Wed 30/412:25 p.m.YTZ - LHR
1 stop13h 05mAir Canada
Sat 10/59:30 a.m.LHR - YTZ
2 stops14h 07mAir Canada
Deal found 27/4C$ 710
Sun 1/610:15 p.m.YYZ - LHR
1 stop18h 35mMultiple Airlines
Tue 10/66:20 a.m.LHR - YYZ
1 stop12h 50mMultiple Airlines
Deal found 27/4C$ 716
Sat 10/510:25 p.m.YUL - LHR
Nonstop6h 35mAir Canada
Wed 14/58:40 a.m.LHR - YUL
1 stop11h 20mAir Canada
Deal found 28/4C$ 723

Cheapflights Fare Finder

Customize your flight search to find flights from Canada 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 29 April 2025.
Use the filters below to find and compare flights from Canada to London that are best for you.

Fly from

Canada

Fly to

London

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 24/5

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

Nonstop7h 00m

London Gatwick

Fri 30/5

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

C$ 669

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 20/10

5:50 p.m.-5:45 p.m.

1 stop18h 55m

London Heathrow

Sat 25/10

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

1 stop31h 20m

C$ 671

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 27/5

3:00 p.m.-6:30 a.m.

1 stop10h 30m

London Heathrow

Fri 13/6

6:00 a.m.-1:50 p.m.

1 stop12h 50m

C$ 675

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 13/5

4:40 p.m.-9:50 a.m.

1 stop12h 10m

London Gatwick

Wed 21/5

11:35 a.m.-6:10 p.m.

1 stop11h 35m

C$ 676

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 4/6

11:00 p.m.-2:40 p.m.

1 stop10h 40m

London Gatwick

Fri 13/6

3:40 p.m.-9:55 p.m.

1 stop11h 15m

C$ 679

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 17/10

11:55 p.m.-3:45 p.m.

1 stop10h 50m

London Luton

Wed 22/10

10:00 a.m.-3:50 p.m.

1 stop10h 50m

C$ 680

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 24/5

6:35 p.m.-9:50 a.m.

1 stop10h 15m

London Gatwick

Sun 8/6

11:35 a.m.-7:08 p.m.

1 stop12h 33m

C$ 685

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 22/5

8:50 p.m.-11:55 a.m.

1 stop10h 05m

London Heathrow

Fri 30/5

9:25 p.m.-9:55 p.m.

1 stop29h 30m

C$ 696

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Fri 23/5

9:00 p.m.-9:50 a.m.

1 stop31h 50m

London Gatwick

Sun 8/6

11:35 a.m.-8:20 a.m.

1 stop25h 45m

C$ 698

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 27/5

3:25 p.m.-6:30 a.m.

1 stop10h 05m

London Heathrow

Fri 13/6

9:30 a.m.-4:50 p.m.

1 stop12h 20m

C$ 711

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 60 results
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Best time to book a flight from Canada to London

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

Cheapflights Insights

Everything you need to know about your flight from Canada to London

What is the cheapest month to book a flight from Canada to London?

Currently, January is the cheapest month in which you can book a flight from Canada to London (average of C$ 560). Flying from Canada to London in July is currently the most expensive (average of C$ 870). 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 CA to LON?

Find hourly flight availability from Canada 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 29 April 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to London as you normally would.

Weekly flight availability from Canada to London

Explore weekly flight availability from Canada 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 29 April 2025.

The most flights from CA0 to LON are scheduled on a Tuesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 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 29 April 2025.
To help decide which airline to fly from Canada to London, see what other customers have to say about Delta, Porter Airlines and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
7,929 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
8.0
Very good
285 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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
385 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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.
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,929 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

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

Find useful and relevant information for your journey from Canada 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 Canada to London one-way?

    C$ 338 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Porter Airlines and Air Transat, with prices starting from C$ 362 and C$ 392, respectively.

  • What are the most popular routes from Canada to London?

    The most popular flight routes from Canada to London are Toronto Pearson Intl - London Heathrow, Vancouver Intl - London Heathrow and Toronto Pearson Intl - London Gatwick.

  • What are the most reliable airlines from Canada to London?

    No one likes to see their flight delayed. When booking a flight from Canada to London consider choosing Ethiopian Air (88%), Egyptair (78%) or American Airlines (76%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Canada to London?

    On average you can expect to pay C$ 1,928 for a flight from Canada to London. The cheapest flight overall is C$ 490 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 637.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Canada 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 Canada to London?

    Currently, January is the cheapest month in which you can book a flight from Canada to London (average of C$ 560). Flying from Canada to London in July is currently the most expensive (average of C$ 870). 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

Travelling to a place near Canada?

Book flights to Canada if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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Alternative routes for Canada 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 Canada to London

Discover the top 10 airlines that operate flights from Canada 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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapestC$ 487AverageC$ 1,032FlexibilityNo cancel feeOn-time76%
Search Finnair flights
PLAYCheapestC$ 499AverageC$ 697FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapestC$ 549AverageC$ 663FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
WestJet EncoreCheapestC$ 553AverageC$ 705FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
Air TransatCheapestC$ 580AverageC$ 1,047FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air FranceCheapestC$ 611AverageC$ 980FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapestC$ 615AverageC$ 931FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapestC$ 616AverageC$ 1,006FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Porter AirlinesCheapestC$ 651AverageC$ 997FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Aer LingusCheapestC$ 676AverageC$ 850FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus 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 Canada to London?

Deals for Canada to London 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 Canada to London?

Cheapflights helps you find that perfect flight to London from Canada by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from Canada to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Canada 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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