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

C$ 365 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and WestJet, with prices starting from C$ 365 and C$ 373, respectively.

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.

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).

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 cheapest flights from Canada to London?

On average you can expect to pay C$ 2,218 for a flight from Canada to London. The cheapest flight overall is C$ 413 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 715.

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 Croatia Airlines (88%), KLM (87%) or Air France (87%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Canada to London?

American Airlines, Air Canada and Air France are the most popular airlines when flying from Canada to London.

How far in advance should I book a flight from Canada to London?

To save on the cost of your flight from Canada to London, book at least 55 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 833 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,129.

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

February is one of the best times of the year to fly to London from Canada. Prices for February average C$ 844 per person but you can even find prices for as low as C$ 524. The most expensive prices can be found in the month of December. Opting for a February flight can save you 30% on your journey compared to booking in December

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.

C$ 365+ Flights from Canada to London

Cheap flight deals from Canada to London

Round-trip from	C$ 735
One-way from	C$ 365
Popular in	December
Cheapest in	February
Average price	C$ 1,056
Good round-trip deal	C$ 599 or less
Good one-way deal	C$ 220 or less

Air Transat
25/8-17/9
1 total stop
25h 50m total
Canada to London

Search Deals

13/10
1 total stop
15h 10m total
Canada to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 47 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 July 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

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 July 2025.

Tue 7/108:50 p.m.YYZ - LHR

1 stop18h 30mIcelandair

Mon 10/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 29/7C$ 737

Wed 10/94:10 p.m.YTZ - LHR

1 stop11h 25mAir Canada

Sat 13/92:05 p.m.LHR - YTZ

1 stop12h 29mAir Canada

Deal found 29/7C$ 738

Sat 6/99:55 p.m.YUL - LHR

Nonstop6h 40mAir Canada

Tue 23/96:00 a.m.LHR - YUL

2 stops17h 20mAir Canada

Deal found 27/7C$ 738

Mon 8/92:00 p.m.YYZ - LHR

1 stop11h 30mAir Canada

Sun 14/98:30 a.m.LHR - YYZ

Nonstop7h 55mAir Canada

Deal found 29/7C$ 739

Thu 4/911:55 p.m.YYZ - LTN

1 stop11h 40mMultiple Airlines

Fri 5/99:05 p.m.LTN - YYZ

2 stops24h 45mMultiple Airlines

Deal found 29/7C$ 739

Thu 18/94:40 p.m.YYZ - LGW

1 stop12h 10mAir Transat

Fri 26/911:35 a.m.LGW - YYZ

1 stop12h 50mAir Transat

Deal found 28/7C$ 739

Thu 18/96:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Sun 28/95:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 27/7C$ 741

Sun 21/910:10 p.m.YYZ - LGW

1 stop9h 35mMultiple Airlines

Fri 26/912:40 p.m.LGW - YYZ

Nonstop8h 00mMultiple Airlines

Deal found 28/7C$ 741

Tue 14/1010:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Tue 21/106:30 a.m.LHR - YYZ

1 stop11h 50mDelta

Deal found 27/7C$ 742

Tue 16/97:50 p.m.YYZ - LGW

Nonstop7h 05mPorter Airlines

Mon 22/912:40 p.m.LGW - YYZ

Nonstop8h 00mPorter Airlines

Deal found 27/7C$ 742

Fri 19/94:00 p.m.YUL - LHR

1 stop13h 00mMultiple Airlines

Fri 10/109:00 a.m.LHR - YUL

1 stop17h 00mMultiple Airlines

Deal found 28/7C$ 742

Tue 30/95:10 p.m.YUL - LHR

1 stop11h 50mLufthansa

Tue 14/1010:50 a.m.LHR - YUL

1 stop13h 00mLufthansa

Deal found 28/7C$ 744

Best flights from Canada to London
Discover carefully curated flight deals from Canada to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 July 2025.

Mon 25/810:10 p.m.YYZ - LGW

1 stop17h 45mMultiple Airlines

Wed 17/99:40 a.m.LGW - YYZ

Nonstop8h 05mMultiple Airlines

Deal found 29/7C$ 735

Tue 7/108:50 p.m.YYZ - LHR

1 stop18h 30mIcelandair

Mon 10/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 29/7C$ 737

Wed 10/94:10 p.m.YTZ - LHR

1 stop11h 25mAir Canada

Sat 13/92:05 p.m.LHR - YTZ

1 stop12h 29mAir Canada

Deal found 29/7C$ 738

Wed 27/84:25 p.m.YYZ - LGW

1 stop12h 25mPorter Airlines

Wed 10/911:35 a.m.LGW - YYZ

1 stop15h 06mPorter Airlines

Deal found 29/7C$ 738

Thu 18/94:40 p.m.YYZ - LGW

1 stop12h 10mAir Transat

Fri 26/911:35 a.m.LGW - YYZ

1 stop12h 50mAir Transat

Deal found 28/7C$ 739

Thu 18/910:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Mon 20/1011:45 a.m.LHR - YYZ

1 stop13h 10mDelta

Deal found 29/7C$ 741

Tue 14/1010:30 p.m.YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Tue 21/102:45 p.m.LHR - YYZ

1 stop10h 10mVirgin Atlantic

Deal found 28/7C$ 742

Tue 4/1110:05 p.m.YYZ - LHR

Nonstop7h 05mBritish Airways

Wed 19/1111:40 a.m.LHR - YYZ

Nonstop8h 10mBritish Airways

Deal found 27/7C$ 744

Tue 30/95:10 p.m.YUL - LHR

1 stop11h 50mLufthansa

Tue 14/1010:50 a.m.LHR - YUL

1 stop13h 00mLufthansa

Deal found 28/7C$ 744

Wed 3/124:45 p.m.YUL - LHR

1 stop10h 20mSWISS

Sat 6/125:10 p.m.LHR - YUL

1 stop27h 00mSWISS

Deal found 29/7C$ 756

Mon 22/96:14 a.m.YYZ - LGW

2 stops20h 56mAmerican Airlines

Thu 2/103:05 p.m.LGW - YYZ

2 stops25h 54mAmerican Airlines

Deal found 27/7C$ 763

Thu 4/95:20 p.m.YYZ - LHR

1 stop9h 40mAer Lingus

Sun 21/98:50 a.m.LHR - YYZ

1 stop12h 00mAer Lingus

Deal found 27/7C$ 785

Direct flights from Canada to London
Explore direct flight options from Canada to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 July 2025.

Mon 15/99:55 p.m.YUL - LHR

Nonstop6h 40mAir Canada

Mon 22/99:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Deal found 27/7C$ 738

Thu 18/96:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Sun 28/95:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 27/7C$ 741

Fri 26/910:45 p.m.YYZ - LGW

Nonstop7h 00mAir Transat

Sat 18/1012:40 p.m.LGW - YYZ

Nonstop8h 00mAir Transat

Deal found 27/7C$ 741

Tue 16/97:50 p.m.YYZ - LGW

Nonstop7h 05mPorter Airlines

Mon 22/912:40 p.m.LGW - YYZ

Nonstop8h 00mPorter Airlines

Deal found 27/7C$ 742

Wed 1/106:20 p.m.YYZ - LHR

Nonstop7h 15mLufthansa

Thu 23/105:40 p.m.LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 28/7C$ 749

Sun 7/99:55 p.m.YUL - LHR

Nonstop6h 40mLufthansa

Fri 12/99:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Deal found 29/7C$ 753

Mon 22/910:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Thu 9/105:50 p.m.LHR - YYZ

Nonstop7h 50mDelta

Deal found 28/7C$ 755

Thu 9/1010:05 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Tue 14/106:05 p.m.LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 29/7C$ 757

Mon 8/96:05 p.m.YYZ - LHR

Nonstop7h 10mAmerican Airlines

Sun 14/95:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 29/7C$ 771

Sat 4/1010:05 p.m.YUL - LHR

Nonstop6h 40mAmerican Airlines

Mon 13/106:05 p.m.LHR - YUL

Nonstop7h 10mAmerican Airlines

Deal found 29/7C$ 778

Sun 7/96:05 p.m.YYZ - LHR

Nonstop7h 10mMultiple Airlines

Sat 13/95:15 p.m.LHR - YYZ

Nonstop7h 55mMultiple Airlines

Deal found 28/7C$ 781

Thu 23/1010:05 p.m.YUL - LHR

Nonstop6h 40mMultiple Airlines

Mon 27/104:10 p.m.LHR - YUL

Nonstop7h 35mMultiple Airlines

Deal found 27/7C$ 819

Last-minute flights from Canada to London
Discover last-minute flight deals from Canada to London. Data last updated 29 July 2025 and is based on user searches.

Sun 3/88:50 p.m.YYZ - LHR

1 stop19h 10mAir Canada

Sat 23/85:40 p.m.LHR - YYZ

1 stop17h 52mAir Canada

Deal found 27/7C$ 894

Mon 4/85:50 p.m.YYZ - LGW

1 stop16h 45mMultiple Airlines

Wed 3/911:35 a.m.LGW - YYZ

1 stop10h 50mMultiple Airlines

Deal found 27/7C$ 779

Mon 4/810:10 p.m.YYZ - LTN

1 stop18h 15mMultiple Airlines

Thu 18/98:45 a.m.LTN - YYZ

1 stop10h 25mMultiple Airlines

Deal found 29/7C$ 807

Mon 4/85:20 p.m.YYZ - LHR

1 stop10h 45mAer Lingus

Wed 26/119:50 a.m.LHR - YYZ

1 stop11h 05mAer Lingus

Deal found 28/7C$ 830

Mon 4/811:45 p.m.YYZ - LHR

Nonstop7h 05mMultiple Airlines

Wed 3/95:40 p.m.LHR - YYZ

1 stop10h 30mMultiple Airlines

Deal found 27/7C$ 888

Mon 4/87:15 a.m.YYZ - LHR

1 stop9h 25mAmerican Airlines

Wed 3/95:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 28/7C$ 893

Tue 5/810:45 p.m.YYZ - LGW

Nonstop7h 00mPorter Airlines

Wed 10/99:40 a.m.LGW - YYZ

Nonstop8h 05mPorter Airlines

Deal found 28/7C$ 792

Tue 5/86:55 p.m.YUL - LHR

Nonstop6h 35mLufthansa

Sun 28/99:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Deal found 27/7C$ 905

Wed 6/86:00 p.m.YYZ - LGW

1 stop10h 50mAir Transat

Sat 6/911:35 a.m.LGW - YYZ

1 stop10h 50mAir Transat

Deal found 27/7C$ 807

Wed 6/810:10 a.m.YVR - LGW

1 stop16h 35mAir Transat

Thu 18/912:40 p.m.LGW - YVR

1 stop28h 30mAir Transat

Deal found 27/7C$ 907

Thu 7/88:50 a.m.YTZ - LHR

1 stop16h 40mAir Canada

Sun 31/86:50 a.m.LHR - YTZ

2 stops14h 56mAir Canada

Deal found 26/7C$ 838

Thu 7/89:40 a.m.YUL - LHR

1 stop15h 50mAir Canada

Sun 24/86:50 a.m.LHR - YUL

1 stop9h 40mAir Canada

Deal found 29/7C$ 893

One-way flights from Canada to London
Search for one-way flight options from Canada to London. Find affordable one-way fares based on user searches. Data last updated 29 July 2025.

Mon 13/1010:10 p.m.YYZ - LCY

1 stop15h 10mMultiple Airlines

Deal found 28/7C$ 365

Sat 15/112:10 p.m.YYZ - LHR

1 stop17h 40mMultiple Airlines

Deal found 29/7C$ 365

Tue 19/89:15 p.m.YYZ - LTN

2 stops19h 55mMultiple Airlines

Deal found 29/7C$ 365

Thu 11/97:50 p.m.YYZ - LGW

Nonstop7h 00mAir Transat

Deal found 29/7C$ 365

Mon 13/1010:45 p.m.YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 29/7C$ 365

Wed 3/97:00 a.m.YYZ - LGW

2 stops18h 20mMultiple Airlines

Deal found 29/7C$ 366

Mon 18/85:50 p.m.YYZ - LHR

1 stop11h 30mTAP AIR PORTUGAL

Deal found 29/7C$ 372

Wed 13/87:30 p.m.YYZ - LGW

1 stop8h 55mWestJet

Deal found 27/7C$ 373

Thu 4/95:40 p.m.YYZ - LGW

2 stops21h 45mTAP AIR PORTUGAL

Deal found 29/7C$ 375

Tue 30/95:25 p.m.YTZ - LHR

1 stop11h 10mAir Canada

Deal found 27/7C$ 379

Wed 24/910:45 p.m.YYZ - LGW

Nonstop7h 00mPorter Airlines

Deal found 29/7C$ 387

Fri 3/1011:00 p.m.YUL - LHR

1 stop10h 15mMultiple Airlines

Deal found 29/7C$ 398

Fly from

Fly to

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 25/8

10:10 p.m.-8:55 p.m.

1 stop17h 45m

London Gatwick

Wed 17/9

9:40 a.m.-12:45 p.m.

Nonstop8h 05m

C$ 735

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 7/10

8:50 p.m.-8:20 p.m.

1 stop18h 30m

London Heathrow

Mon 10/11

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

1 stop11h 00m

C$ 737

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 16/9

8:50 p.m.-2:40 p.m.

1 stop12h 50m

London Gatwick

Tue 30/9

3:40 p.m.-7:10 p.m.

1 stop32h 30m

C$ 737

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 10/9

4:10 p.m.-8:35 a.m.

1 stop11h 25m

London Heathrow

Sat 13/9

2:05 p.m.-9:34 p.m.

1 stop12h 29m

C$ 738

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 27/8

4:25 p.m.-9:50 a.m.

1 stop12h 25m

London Gatwick

Wed 10/9

11:35 a.m.-9:41 p.m.

1 stop15h 06m

C$ 738

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Tue 23/9

6:00 a.m.-6:20 p.m.

2 stops17h 20m

C$ 738

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 18/9

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

1 stop12h 10m

London Gatwick

Fri 26/9

11:35 a.m.-7:25 p.m.

1 stop12h 50m

C$ 739

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 8/9

2:00 p.m.-6:30 a.m.

1 stop11h 30m

London Heathrow

Sun 14/9

8:30 a.m.-11:25 a.m.

Nonstop7h 55m

C$ 739

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 18/9

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Mon 20/10

11:45 a.m.-7:55 p.m.

1 stop13h 10m

C$ 741

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 14/10

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Tue 21/10

2:45 p.m.-7:55 p.m.

1 stop10h 10m

C$ 742

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 55 results

...

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$ 857). 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?

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

The most flights from CA0 to LON are scheduled on a Tuesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 on average).

Reviews of airlines servicing London

Read through reviews of airlines operating flights from Canada to London, such as Delta,Porter Airlines, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Porter Airlines

8.0

Very good

317 reviews

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,383 reviews

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Transat

7.7

Good

424 reviews

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Austrian Airlines

7.6

Good

821 reviews

Delta

8.0

Very good

7,977 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines to fly from Canada to London one-way?
C$ 365 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and WestJet, with prices starting from C$ 365 and C$ 373, 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 Croatia Airlines (88%), KLM (87%) or Air France (87%) 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$ 2,218 for a flight from Canada to London. The cheapest flight overall is C$ 413 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 715.
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$ 857). 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

Brentford

Sutton

Hounslow

Slough

Marlow

Milton Keynes

Romford

Watford

Bromley

Luton

Bedford

Southall

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Canada to London

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 218	AverageC$ 952	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
PLAY	CheapestC$ 480	AverageC$ 585	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
WestJet Encore	CheapestC$ 547	AverageC$ 698	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights
Air Transat	CheapestC$ 574	AverageC$ 1,012	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	CheapestC$ 585	AverageC$ 675	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	CheapestC$ 617	AverageC$ 890	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Porter Airlines	CheapestC$ 625	AverageC$ 955	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Aer Lingus	CheapestC$ 673	AverageC$ 807	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	CheapestC$ 695	AverageC$ 1,034	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	CheapestC$ 696	AverageC$ 1,135	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

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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Cheap flights from Canada to London from C$ 365

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Canada to London

Cheapest flights from Canada to LondonExplore 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 July 2025.

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 July 2025.

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Use the filters below to find and compare flights from Canada to London that are best for you.

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.

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?

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 July 2025.

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 July 2025.

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 July 2025.

Read through reviews of airlines operating flights from Canada to London, such as Delta,Porter Airlines, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

What are the most popular routes from Canada to London?

What are the most reliable airlines from Canada to London?

What are the cheapest flights from Canada to London?

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

How can I find direct flights from Canada to London?

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

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

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Alternative routes for Canada to London

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Top 10 airlines flying from Canada to London

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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 July 2025.