Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Canada to London from £121

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Canada to London

Enter your travel dates to find the best prices.

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 31 October 2025.

Wed 12/1121:10YYC - LHR
Nonstop8h 40mWestJet
Tue 18/1114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 30/10£369
Wed 3/1221:10YYC - LHR
Nonstop8h 40mMultiple Airlines
Sun 7/1207:30LHR - YYC
1 stop15h 30mMultiple Airlines
Deal found 31/10£370
Mon 10/1121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 20/1114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 30/10£371
Mon 10/1121:10YYC - LHR
Nonstop8h 40mWestJet
Tue 18/1114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 30/10£375
Thu 13/1106:45YYC - LHR
1 stop22h 05mMultiple Airlines
Fri 28/1106:00LHR - YYC
2 stops21h 39mMultiple Airlines
Deal found 30/10£379
Wed 26/1121:35YYC - LHR
1 stop31h 15mMultiple Airlines
Wed 3/1206:00LHR - YYC
2 stops24h 44mMultiple Airlines
Deal found 29/10£380
Tue 11/1118:25YYC - LHR
Nonstop8h 45mAir Canada
Sun 16/1112:00LHR - YYC
1 stop15h 09mAir Canada
Deal found 29/10£381
Thu 27/1116:30YYC - LHR
1 stop12h 20mMultiple Airlines
Thu 4/1206:50LHR - YYC
2 stops16h 04mMultiple Airlines
Deal found 30/10£382
Sun 30/1121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 19/314:50LHR - YYC
Nonstop8h 50mWestJet
Deal found 29/10£382
Wed 26/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Mon 1/1206:00LHR - YYC
2 stops24h 28mMultiple Airlines
Deal found 29/10£383
Fri 14/1106:45YYC - LHR
1 stop22h 05mMultiple Airlines
Tue 18/1109:00LHR - YYC
2 stops18h 39mMultiple Airlines
Deal found 29/10£385
Fri 14/1119:35YYZ - LTN
1 stop15h 40mMultiple Airlines
Sat 22/1121:00LTN - YYZ
1 stop19h 15mMultiple Airlines
Deal found 29/10£398

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 31 October 2025.

Round-trip from

£369

One-way from

£121

Popular in

December

Cheapest in

February

Average price

£456

Good round-trip deal

£422 or less

Good one-way deal

£112 or less
WestJet
  • WestJet
  • 12/11-21/11
  • Nonstop
  • 17h 45m total
  • Canada to London
Search Deals
WestJet
  • WestJet
  • 21/11
  • Nonstop
  • 8h 40m total
  • Canada to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
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).
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 31 October 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

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 14/11

21:10-12:50

Nonstop8h 40m

London Heathrow

Mon 15/12

14:50-16:55

Nonstop9h 05m

£369

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 13/11

21:10-12:50

Nonstop8h 40m

London Heathrow

Mon 15/12

14:50-16:55

Nonstop9h 05m

£369

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 12/11

21:10-12:50

Nonstop8h 40m

London Heathrow

Fri 21/11

14:50-16:55

Nonstop9h 05m

£369

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sun 9/11

19:35-11:45

1 stop11h 10m

London Luton

Mon 24/11

06:00-11:15

1 stop10h 15m

£402

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 13/11

16:30-11:50

1 stop12h 20m

London Heathrow

Fri 28/11

15:00-17:00

Nonstop9h 00m

£406

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 23/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Sat 28/2

11:40-15:00

Nonstop8h 20m

£407

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Wed 12/11

17:15-22:20

2 stops24h 05m

London Luton

Sat 22/11

20:50-14:45

2 stops22h 55m

£408

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Sun 9/11

19:35-11:45

1 stop11h 10m

London Luton

Fri 14/11

05:50-11:15

1 stop10h 25m

£421

TorontoLondon

YYZ - LTN

YYZLTN

Toronto Pearson Intl

Fri 5/12

19:25-13:40

1 stop13h 15m

London Luton

Fri 12/12

06:05-12:30

1 stop35h 25m

£427

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 15/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 24/11

11:40-15:00

Nonstop8h 20m

£434

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
1
2
3
...
6

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 return 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, December is the cheapest month in which you can book a flight from Canada to London (average of £261). Flying from Canada to London in July is currently the most expensive (average of £451). 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 31 October 2025.

It’s typically best to fly out from Canada to London in the evening. Doing so could potentially save you 16% on the flight price compared to flying at midday, which is usually more expensive.

What is the cheapest day to fly from Canada to London?

Use this chart to determine the cheapest time to fly return from Canada to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Canada to London flight should consider departing on Tuesday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 31 October 2025.
Read through reviews of airlines operating flights from Canada to London, such as Porter Airlines, Air Transat, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very Good
384 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,152 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,381 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
British Airways
6.7
Okay
7,487 reviews
Porter Airlines
8.0
Very Good
384 reviews
Check prices

Overall

8.0

Entertainment

7.0

Boarding

8.2

Food

7.6

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sept 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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.

  • How long is the flight from Canada to London?

    For as low as £407, WestJet can have you in London from Canada in 7h 10m. The distance from Canada to London is about 3563 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from Canada to London one-way?

    The cheapet airlines for a one-way flight from Canada to London are WestJet (£127), TAP AIR PORTUGAL (£182), and Air Canada (£257).

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

    Most travelers choose Toronto Pearson Intl - London Heathrow, Toronto Pearson Intl - London Gatwick or Vancouver Intl - London Heathrow when deciding on the best route from Canada to London.

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

    The top 3 most reliable airlines when flying from Canada to London are KLM (90%), Air France (90%) and Delta (90%).

  • What are the cheapest flights from Canada to London?

    On average you can expect to pay £1,135 for a flight from Canada to London. The cheapest flight overall is £225 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at £365.

  • 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 holiday 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, December is the cheapest month in which you can book a flight from Canada to London (average of £261). Flying from Canada to London in July is currently the most expensive (average of £451). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Chichester
Crawley
Romford
Brentford
Ipswich
Bedford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Canada to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
Boston to Heathrow flights
Dulles Intl to Heathrow flights
Los Angeles to Heathrow flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Stansted flights
Newark to London City flights
San Francisco to Heathrow flights
Pearson Intl to Heathrow flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Newark to Luton flights
Newark to Stansted flights
Baltimore to Heathrow flights
Seattle to Heathrow flights
Pearson Intl to Gatwick flights
Atlanta to Heathrow flights
Vancouver Intl to Heathrow flights
Mexico City to Heathrow flights
Miami to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Gatwick flights
Los Angeles to Gatwick flights
Boston to London City flights
Dulles Intl to London City flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Reagan-National to Heathrow flights
Los Angeles to London City flights
San Francisco to Gatwick flights
Philadelphia to Heathrow flights
Baltimore to Gatwick flights
Boston to Stansted flights
Denver to Heathrow flights
Newark to Edinburgh flights
San Francisco to London City flights
Pearson Intl to London City flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
Boston to Luton flights
Dallas/Fort Worth to Gatwick flights

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 858,174 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£306Average£474FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£329Average£626FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapest£346Average£534FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapest£371Average£514FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Porter AirlinesCheapest£378Average£494FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapest£387Average£602FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£388Average£461FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£395Average£583FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£395Average£606FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
LufthansaCheapest£406Average£646FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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?

When you search for this flight from Canada to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Canada to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Canada to London for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Canada to London with no change fees.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.