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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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LON
18 Dec — 25 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 18 November 2025.

Thu 20/1121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 3/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 17/11£346
Mon 17/1121:10YYC - LHR
Nonstop8h 40mWestJet
Wed 3/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 16/11£347
Tue 2/1221:10YYC - LHR
Nonstop8h 40mWestJet
Sat 6/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 16/11£368
Wed 19/1121:10YYC - LHR
Nonstop8h 40mWestJet
Sat 29/1114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 16/11£369
Wed 3/1221:10YYC - LHR
Nonstop8h 40mWestJet
Wed 10/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 16/11£372
Thu 20/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
Wed 3/1206:00LHR - YYC
2 stops24h 44mMultiple Airlines
Deal found 17/11£374
Thu 20/1121:10YYC - LHR
Nonstop8h 40mWestJet
Thu 27/1114:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 15/11£376
Mon 17/1121:35YYC - LHR
1 stop31h 15mMultiple Airlines
Tue 25/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 17/11£380
Mon 17/1106:00YYC - LHR
1 stop22h 50mAir Canada
Wed 3/1213:25LHR - YYC
2 stops18h 04mAir Canada
Deal found 16/11£385
Mon 17/1116:30YYC - LHR
1 stop12h 20mMultiple Airlines
Wed 3/1215:00LHR - YYC
Nonstop9h 00mMultiple Airlines
Deal found 16/11£386
Mon 17/1116:30YYC - LHR
1 stop12h 20mAir Canada
Sun 23/1114:30LHR - YYC
2 stops36h 05mAir Canada
Deal found 16/11£387
Thu 4/1221:35YYZ - LGW
Nonstop7h 10mAir Transat
Sat 7/211:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 16/11£414

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 18 November 2025.

Round-trip from

£350

One-way from

£121

Popular in

December

Cheapest in

February

Average price

£457

Good round-trip deal

£460 or less

Good one-way deal

£113 or less
WestJet
  • WestJet
  • 16/2-18/2
  • Nonstop
  • 17h 30m total
  • Canada to London
Search Deals
WestJet
  • WestJet
  • 29/11
  • Nonstop
  • 8h 40m total
  • Canada to London
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 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 18 November 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

Wed 7/1

19:55-22:10

1 stop21h 15m

London Gatwick

Thu 15/1

06:20-11:50

1 stop10h 30m

£425

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 7/1

19:55-22:10

1 stop21h 15m

London Gatwick

Sun 18/1

06:25-11:50

1 stop10h 25m

£427

TorontoLondon

YYZ - STN

YYZSTN

Toronto Pearson Intl

Wed 11/3

22:00-13:20

1 stop11h 20m

London Stansted

Tue 17/3

06:30-14:15

1 stop11h 45m

£427

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 13/1

21:35-09:45

Nonstop7h 10m

London Gatwick

Thu 22/1

11:40-15:00

Nonstop8h 20m

£433

VancouverLondon

YVR - LHR

YVRLHR

Vancouver Intl

Sun 11/1

15:10-10:10

1 stop11h 00m

London Heathrow

Wed 25/2

14:30-16:25

Nonstop9h 55m

£441

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 9/5

22:45-10:45

Nonstop7h 00m

London Gatwick

Fri 15/5

12:40-15:40

Nonstop8h 00m

£444

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 1/12

21:35-09:45

Nonstop7h 10m

London Gatwick

Thu 4/12

11:40-15:00

Nonstop8h 20m

£445

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 26/1

14:13-21:20

2 stops24h 07m

London Heathrow

Sun 1/2

13:35-11:35

1 stop29h 00m

£446

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 10/1

13:30-07:30

1 stop35h 00m

London Heathrow

Sat 28/2

10:05-12:26

1 stop33h 21m

£446

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 28/1

06:15-06:20

2 stops17h 05m

London Heathrow

Wed 4/2

07:40-21:53

2 stops21h 13m

£446

Flights are sorted by cheapest return flights first.

Deals found on 17/11

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 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 18 November 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.

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 18 November 2025.

The most flights from CA0 to LON are scheduled on a Sunday (41 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (31 on average).

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 November 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
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Porter Airlines
8.0
Very Good
392 reviews
Porter Airlines
8.0
Very Good
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Transat
7.8
Good
474 reviews
Porter Airlines
8.0
Very Good
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
WestJet
7.2
Good
3,163 reviews
Porter Airlines
8.0
Very Good
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
Air Canada
7.1
Good
10,459 reviews
Porter Airlines
8.0
Very Good
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.
British Airways
6.7
Okay
7,528 reviews
Porter Airlines
8.0
Very Good
392 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

Kelly,Nov 2025

YVR - YUL

I recently flew with Porter Airlines on Flight PD372 on October 30th, and unfortunately, had a very disappointing experience. At the gate, one of their attendants gave me two boarding passes. I assumed these were for my itinerary from Vancouver to Montreal and back, but one of the boarding passes unexpectedly included a connecting flight to Toronto, which was never part of my booking or invoice. As a result of this error, my checked baggage was mistakenly routed to Toronto. When I contacted Porter’s customer service, I spoke to an agent who apologized on behalf of the attendant (employee number 13209961) and promised to have my luggage flown back to Montreal. However, shortly after, I was told there was nothing they could do except for me to travel to Toronto myself to pick up my bag. This is highly unreasonable and unfair, considering the issue was caused by their staff printing the wrong boarding pass. This entire situation caused me significant inconvenience and stress. I expected Porter to correct the mistake and deliver my luggage as originally planned, but instead, I was left with the burden of fixing an error that was not mine. I even have a photo of the staff badge of the employee who made the promise, yet the company still failed to honor it. I hope Porter Airlines reviews their internal communication and baggage handling procedures to prevent this from happening to other passengers. Customer care and responsibility fell short in this experience, and I am still waiting for a satisfactory resolution.

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 £444, Porter Airlines can have you in London from Canada in 7h. 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 (£121), TAP AIR PORTUGAL (£194), and Air Canada (£258).

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

    Most travelers choose Toronto Pearson Intl - London Heathrow, Vancouver Intl - London Heathrow or Toronto Pearson Intl - London Gatwick 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 (85%), Air France (85%) and Delta (85%).

  • What are the cheapest flights from Canada to London?

    On average you can expect to pay £1,128 for a flight from Canada to London. The cheapest flight overall is £219 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at £362.

  • 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
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Deal
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Bedford
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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 858,174 searches. Data last updated 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£306Average£474FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£329Average£628FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapest£346Average£534FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapest£373Average£515FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Porter AirlinesCheapest£378Average£494FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapest£387Average£603FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapest£389Average£462FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£396Average£602FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£396Average£593FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£406Average£652FlexibilityNo 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!

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