When is the best time to book a flight to London?

The price you pay for your flight to London may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to fly to London?

Currently, the cheapest month for flights to London is January . The most expensive month for flights is July . The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

Can I find cheaper flights to London if I am willing to have layovers?

Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to London on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to London?

Based on reviews from Cheapflights users, WestJet is rated the highest out of the airlines that fly to London.

What is the cheapest airport to fly to in London?

London Gatwick is currently the cheapest airport to fly to in London. One-way flights to London Gatwick typically cost C$ 24, while round-trip flights cost around C$ 52.

How much is a round-trip flight to London?

A round-trip flight to London will typically cost around C$ 532, however they can be found for as little as C$ 136.

Where does the fastest flight to London depart from?

For those looking to save time traveling to London, Halifax Intl offers the quickest one-way flight (5 hours 55 minutes).

Does London Heathrow have rental cars?

Yes. Those touching down at London Heathrow can take advantage of the rental car services offered upon their arrival.

Are there hotels close to London Heathrow?

Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow T2 & T3 is the closest property to London Heathrow (0.0 km away from London Heathrow).

When is the cheapest time to fly to London?

Users looking for the lowest fares to London should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at noon, when prices are usually at their highest.

What are the most popular airlines that fly to London?

The most popular airlines flying from Toronto to London are Air Canada, British Airways and Air Transat.

How long is the flight to London?

On average, a flight from Toronto to London takes 14 hours 0 minutes. Flights to London from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to London

The most flights from Toronto to London are scheduled on a Monday (47 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

What are the cheapest airlines that fly to London?

The cheapest airlines flying from Toronto to London are WestJet, PLAY and WestJet Encore.

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).

Cheap Flights to London from C$ 319

Flights to London in 2025

Round-trip from	C$ 730
One-way from	C$ 319
Popular in	December
Cheapest in	February
Average price	C$ 819
Good round-trip deal	C$ 723 or less
Good one-way deal	C$ 387 or less

TAP AIR PORTUGAL
5/11-19/11
2 total stops
29h 45m total
Toronto to London

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5/12
1 total stop
17h 15m total
Toronto to London

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Highest demand for flights based on searches. 4% potential increase in price (C$ 60 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Price to beat on a round-trip flight from Toronto to London.

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Price to beat on a one-way flight from Toronto to London.

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Find flight deals to London

Enter your travel dates to find the best prices.

Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 10 October 2025.

Wed 5/1110:45 p.m.YYZ - LHR

1 stop11h 45mTAP AIR PORTUGAL

Wed 19/118:15 a.m.LHR - YYZ

1 stop18h 00mTAP AIR PORTUGAL

Deal found 7/10C$ 730

Sun 23/117:40 p.m.YYZ - LGW

1 stop10h 15mIcelandair

Mon 1/1211:55 a.m.LGW - YYZ

1 stop11h 20mIcelandair

Deal found 8/10C$ 730

Mon 17/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 24/118:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 731

Mon 1/127:40 p.m.YYZ - LGW

1 stop10h 15mIcelandair

Sat 6/1211:55 a.m.LGW - YYZ

1 stop11h 20mIcelandair

Deal found 7/10C$ 731

Mon 17/115:25 p.m.YYZ - STN

1 stop9h 25mMultiple Airlines

Mon 24/118:30 a.m.STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 9/10C$ 731

Mon 24/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 1/128:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 732

Sun 23/117:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Sun 7/128:35 p.m.LHR - YYZ

1 stop26h 40mIcelandair

Deal found 8/10C$ 732

Thu 27/115:35 p.m.YYZ - LGW

1 stop11h 15mTAP AIR PORTUGAL

Tue 2/124:35 p.m.LGW - YYZ

1 stop33h 40mTAP AIR PORTUGAL

Deal found 8/10C$ 732

Mon 24/115:25 p.m.YYZ - STN

1 stop11h 25mMultiple Airlines

Mon 1/128:30 a.m.STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 9/10C$ 732

Mon 24/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 1/128:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 734

Sun 16/117:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Fri 21/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 734

Tue 18/117:40 p.m.YYZ - LGW

1 stop10h 15mIcelandair

Mon 24/1111:55 a.m.LGW - YYZ

1 stop11h 20mIcelandair

Deal found 8/10C$ 734

Best flights to London
Discover carefully curated flight deals to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2025.

Fri 5/127:25 p.m.YYZ - LTN

1 stop13h 15mMultiple Airlines

Fri 12/126:05 a.m.LTN - YYZ

1 stop35h 25mMultiple Airlines

Deal found 8/10C$ 738

Wed 18/27:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Wed 11/312:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 764

Sat 8/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

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

Nonstop8h 20mAir Transat

Deal found 9/10C$ 799

Tue 4/116:15 a.m.YYZ - LHR

1 stop21h 30mDelta

Tue 18/1110:00 a.m.LHR - YYZ

1 stop10h 40mDelta

Deal found 9/10C$ 834

Fri 20/311:55 p.m.YYZ - LHR

Nonstop7h 25mLufthansa

Mon 23/34:40 p.m.LHR - YYZ

1 stop27h 15mLufthansa

Deal found 7/10C$ 840

Wed 12/1110:45 p.m.YYZ - LHR

1 stop12h 50mVirgin Atlantic

Wed 19/112:30 p.m.LHR - YYZ

Nonstop8h 30mVirgin Atlantic

Deal found 9/10C$ 841

Mon 16/310:35 p.m.YYZ - LGW

Nonstop7h 10mPorter Airlines

Tue 31/312:40 p.m.LGW - YYZ

Nonstop8h 20mPorter Airlines

Deal found 8/10C$ 874

Tue 9/128:50 a.m.YTZ - LHR

2 stops17h 20mAir Canada

Fri 12/129:00 a.m.LHR - YTZ

2 stops13h 55mAir Canada

Deal found 9/10C$ 901

Tue 24/25:50 p.m.YYZ - LCY

1 stop10h 40mKLM

Tue 3/39:20 a.m.LCY - YYZ

1 stop11h 20mKLM

Deal found 9/10C$ 918

Sat 28/36:30 p.m.YYZ - LGW

2 stops20h 55mTAP AIR PORTUGAL

Sun 12/410:35 a.m.LGW - YYZ

1 stop15h 30mTAP AIR PORTUGAL

Deal found 9/10C$ 949

Wed 22/106:00 a.m.YHM - LHR

1 stop25h 05mWestJet

Sun 23/112:50 p.m.LHR - YHM

1 stop31h 27mWestJet

Deal found 7/10C$ 1,191

Mon 17/115:30 p.m.YTZ - STN

2 stops13h 40mMultiple Airlines

Mon 24/116:45 p.m.STN - YTZ

2 stops30h 05mMultiple Airlines

Deal found 9/10C$ 760

Mon 5/17:15 p.m.YYZ - LHR

1 stop10h 35mIcelandair

Fri 16/112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 764

Mon 20/106:15 p.m.YYZ - LHR

1 stop11h 00mDelta

Tue 28/1010:00 a.m.LHR - YYZ

1 stop10h 40mDelta

Deal found 9/10C$ 836

Wed 7/17:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Fri 23/112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 764

Tue 2/127:40 p.m.YYZ - LTN

2 stops19h 25mMultiple Airlines

Tue 9/129:00 a.m.LTN - YYZ

2 stops14h 15mMultiple Airlines

Deal found 9/10C$ 781

Fri 27/310:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Sun 12/412:40 p.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 864

Wed 11/25:50 p.m.YYZ - LCY

1 stop10h 00mVirgin Atlantic

Wed 25/29:20 a.m.LCY - YYZ

1 stop11h 20mVirgin Atlantic

Deal found 8/10C$ 883

Wed 19/1112:15 p.m.YYZ - LHR

1 stop13h 40mDelta

Mon 24/1110:00 a.m.LHR - YYZ

1 stop10h 40mDelta

Deal found 8/10C$ 836

Tue 9/1210:25 a.m.YTZ - LHR

2 stops15h 45mAir Canada

Tue 16/121:25 p.m.LHR - YTZ

1 stop11h 30mAir Canada

Deal found 9/10C$ 922

Tue 6/17:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Wed 21/112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 764

Wed 12/1112:30 p.m.YTZ - LGW

3 stops23h 50mMultiple Airlines

Wed 19/1111:15 a.m.LGW - YTZ

3 stops35h 40mMultiple Airlines

Deal found 7/10C$ 785

Sat 28/310:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Sat 11/412:40 p.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 908

Tue 11/119:15 p.m.YYZ - LCY

1 stop14h 20mVirgin Atlantic

Tue 18/117:45 a.m.LCY - YYZ

1 stop12h 55mVirgin Atlantic

Deal found 9/10C$ 924

Sun 15/38:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Sat 28/38:35 p.m.LHR - YYZ

1 stop26h 35mIcelandair

Deal found 8/10C$ 767

Tue 4/116:09 p.m.YYZ - LHR

1 stop9h 36mDelta

Wed 19/112:30 p.m.LHR - YYZ

Nonstop8h 30mDelta

Deal found 9/10C$ 844

Wed 18/25:50 p.m.YYZ - LCY

1 stop10h 40mKLM

Mon 23/28:40 a.m.LCY - YYZ

1 stop12h 00mKLM

Deal found 8/10C$ 1,023

Thu 23/104:10 p.m.YTZ - LHR

1 stop9h 20mAir Canada

Sat 1/1112:45 p.m.LHR - YTZ

2 stops25h 57mAir Canada

Deal found 8/10C$ 952

Mon 17/119:30 a.m.YTZ - STN

2 stops21h 40mMultiple Airlines

Mon 24/117:50 p.m.STN - YTZ

2 stops26h 35mMultiple Airlines

Deal found 7/10C$ 788

Wed 22/106:15 p.m.YYZ - LHR

1 stop11h 00mDelta

Wed 29/102:30 p.m.LHR - YYZ

Nonstop8h 30mDelta

Deal found 8/10C$ 846

Direct flights to London
Explore direct flight options to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 October 2025.

Mon 10/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 24/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 752

Tue 18/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Sat 29/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 753

Sun 7/129:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Wed 10/1211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 8/10C$ 756

Tue 21/1010:45 p.m.YYZ - LGW

Nonstop7h 00mAir Transat

Thu 11/1211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 7/10C$ 758

Tue 18/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 1/1211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 8/10C$ 760

Sat 8/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Sat 15/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 762

Mon 24/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 1/1211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 764

Tue 27/19:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 9/211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 8/10C$ 767

Thu 20/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Thu 27/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 8/10C$ 769

Tue 2/129:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Sat 21/211:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 8/10C$ 770

Wed 19/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 24/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 771

Wed 19/119:35 p.m.YYZ - LGW

Nonstop7h 10mAir Transat

Mon 24/1111:40 a.m.LGW - YYZ

Nonstop8h 20mAir Transat

Deal found 9/10C$ 773

Last-minute flights to London
Discover last-minute flight deals to London. Data last updated 10 October 2025 and is based on user searches.

Mon 10/117:40 p.m.YYZ - LHR

1 stop18h 50mIcelandair

Mon 24/118:35 p.m.LHR - YYZ

1 stop26h 40mIcelandair

Deal found 9/10C$ 732

Sun 16/117:40 p.m.YYZ - LHR

1 stop10h 10mIcelandair

Fri 21/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 9/10C$ 734

Mon 17/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 24/118:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 731

Mon 17/115:25 p.m.YYZ - STN

1 stop9h 25mMultiple Airlines

Mon 24/118:30 a.m.STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 9/10C$ 731

Tue 18/117:40 p.m.YYZ - LGW

1 stop10h 15mIcelandair

Mon 24/1111:55 a.m.LGW - YYZ

1 stop11h 20mIcelandair

Deal found 8/10C$ 734

Sun 23/117:40 p.m.YYZ - LGW

1 stop10h 15mIcelandair

Mon 1/1211:55 a.m.LGW - YYZ

1 stop11h 20mIcelandair

Deal found 8/10C$ 730

Sun 23/117:40 p.m.YYZ - LHR

1 stop18h 50mIcelandair

Fri 28/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 8/10C$ 735

Mon 24/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 1/128:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 732

Mon 24/115:25 p.m.YYZ - STN

1 stop11h 25mMultiple Airlines

Mon 1/128:30 a.m.STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 9/10C$ 732

Mon 24/115:25 p.m.YYZ - LTN

1 stop10h 10mMultiple Airlines

Mon 1/128:50 a.m.LTN - YYZ

1 stop12h 05mMultiple Airlines

Deal found 9/10C$ 734

Mon 24/115:25 p.m.YYZ - STN

1 stop9h 25mMultiple Airlines

Mon 1/128:30 a.m.STN - YYZ

1 stop12h 25mMultiple Airlines

Deal found 9/10C$ 734

Thu 27/115:35 p.m.YYZ - LGW

1 stop11h 15mTAP AIR PORTUGAL

Tue 2/124:35 p.m.LGW - YYZ

1 stop33h 40mTAP AIR PORTUGAL

Deal found 8/10C$ 732

One-way flights to London
Search for one-way flight options to London. Find affordable one-way fares based on user searches. Data last updated 10 October 2025.

Fri 5/122:35 p.m.YHM - LHR

1 stop17h 15mMultiple Airlines

Deal found 9/10C$ 319

Tue 18/112:35 p.m.YHM - LHR

1 stop17h 15mMultiple Airlines

Deal found 8/10C$ 326

Fri 5/122:35 p.m.YHM - LHR

1 stop17h 15mMultiple Airlines

Deal found 9/10C$ 327

Sun 12/105:35 p.m.YYZ - LTN

2 stops22h 55mMultiple Airlines

Deal found 9/10C$ 338

Mon 17/119:30 p.m.YYZ - LHR

1 stop34h 20mMultiple Airlines

Deal found 9/10C$ 340

Mon 3/1110:45 p.m.YYZ - LHR

1 stop17h 50mTAP AIR PORTUGAL

Deal found 8/10C$ 341

Tue 21/1010:10 p.m.YYZ - LTN

2 stops19h 45mMultiple Airlines

Deal found 9/10C$ 341

Sun 16/115:30 p.m.YYZ - LGW

1 stop11h 20mTAP AIR PORTUGAL

Deal found 9/10C$ 341

Mon 20/1010:10 p.m.YYZ - STN

2 stops18h 55mMultiple Airlines

Deal found 9/10C$ 341

Sat 22/112:35 p.m.YHM - LHR

1 stop17h 15mMultiple Airlines

Deal found 8/10C$ 342

Wed 22/1011:00 p.m.YYZ - LGW

2 stops16h 30mTAP AIR PORTUGAL

Deal found 8/10C$ 342

Tue 21/1010:10 p.m.YYZ - STN

2 stops18h 25mMultiple Airlines

Deal found 9/10C$ 342

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Cheap flights to London – Compare and Save

Flights to London in 2025

Find the latest flights to London in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 10 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

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Good round-trip deal

Good one-way deal

Find flight deals to London

Cheapest flights to LondonExplore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 10 October 2025.

Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 10 October 2025.

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Cheapest flights to London
Explore the most affordable flight options available to London. Find the lowest fares based on data from user searches, with prices last updated on 10 October 2025.