How does KAYAK find such low prices on flights from Ontario to London?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to London.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Ontario to London?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Ontario with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to London?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

C$ 404 CHEAP FLIGHTS from Ontario to London

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Cheap Flights from Ontario to London

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to London

Fri, 22 Jan - Wed, 3 Feb

10:45 p.m. - 8:30 p.m.YYZ Toronto Pearson Intl-STN London Stansted

16h 45m1 stop Lisbon Humberto Delgado

6:50 a.m. - 9:15 p.m.STN London Stansted-YYZ Toronto Pearson Intl

19h 25m1 stop Lisbon Humberto Delgado

C$ 777Multiple Airlines

Sun, 29 Nov - Sat, 5 Dec

7:40 p.m. - 10:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

8:35 p.m. - 6:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

26h 40m1 stop Reykjavik Keflavik Intl

C$ 777Icelandair

Thu, 12 Nov - Sat, 14 Nov

8:25 p.m. - 4:20 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

14h 55m1 stop Zurich

3:30 p.m. - 1:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

26h 30m1 stop Frankfurt am Main

C$ 777Multiple Airlines

Tue, 23 Feb - Thu, 25 Feb

12:10 p.m. - 12:00 p.m.YTZ Toronto Island-LHR London Heathrow

18h 50m1 stop Chicago O'Hare Intl

11:05 a.m. - 3:56 p.m.LHR London Heathrow-YTZ Toronto Island

33h 51m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

C$ 779Air Canada

Sat, 7 Nov - Fri, 13 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 780Air Transat

Sun, 29 Nov - Thu, 3 Dec

7:40 p.m. - 7:30 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

12:15 p.m. - 6:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Reykjavik Keflavik Intl

C$ 780Icelandair

Sat, 7 Nov - Fri, 13 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 786Air Transat

Fri, 12 Feb - Mon, 15 Feb

8:30 p.m. - 9:40 p.m.YTZ Toronto Island-LHR London Heathrow

44h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl

6:00 p.m. - 3:56 p.m.LHR London Heathrow-YTZ Toronto Island

26h 56m2 stops Brussels Bruxelles-National Montreal Pierre Elliott Trudeau Intl

C$ 787Air Canada

Fri, 27 Nov - Mon, 30 Nov

8:25 p.m. - 10:45 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

33h 20m2 stops Zurich Frankfurt am Main

6:35 a.m. - 2:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

13h 20m1 stop Munich Franz Josef Strauss

C$ 793Lufthansa

Thu, 19 Nov - Mon, 30 Nov

5:35 p.m. - 9:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

10h 45m1 stop Ottawa

6:35 a.m. - 2:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

13h 20m1 stop Munich Franz Josef Strauss

C$ 877Lufthansa

Recent last minute flight deals from Ontario to London

Thu, 29 Oct - Sat, 31 Oct

10:53 a.m. - 12:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

21h 07m1 stop Chicago O'Hare Intl

11:05 a.m. - 12:59 a.m.LHR London Heathrow-YYZ Toronto Pearson Intl

41h 54m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

C$ 790United Airlines

Tue, 3 Nov - Tue, 10 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 852Air Transat

Tue, 3 Nov - Thu, 19 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 856Air Transat

Tue, 3 Nov - Tue, 1 Dec

10:45 p.m. - 9:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

17h 15m1 stop Halifax Intl

6:40 p.m. - 4:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

26h 35m1 stop Zurich

C$ 857Multiple Airlines

Tue, 3 Nov - Wed, 25 Nov

12:20 p.m. - 9:00 p.m.YTZ Toronto Island-LHR London Heathrow

27h 40m2 stops Ottawa Halifax Intl

9:00 a.m. - 5:51 p.m.LHR London Heathrow-YTZ Toronto Island

13h 51m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 861Air Canada

Tue, 3 Nov - Thu, 19 Nov

6:55 p.m. - 9:00 p.m.YTZ Toronto Island-LHR London Heathrow

45h 05m2 stops Ottawa Halifax Intl

9:00 a.m. - 9:36 p.m.LHR London Heathrow-YTZ Toronto Island

17h 36m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

C$ 861Air Canada

Tue, 3 Nov - Tue, 10 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 880Porter Airlines

Sun, 1 Nov - Tue, 10 Nov

6:10 p.m. - 7:05 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

31h 55m1 stop Detroit Metropolitan Wayne County

10:00 a.m. - 3:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

10h 40m1 stop Amsterdam Schiphol

C$ 927KLM

Tue, 3 Nov - Sun, 8 Nov

12:15 p.m. - 6:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

13h 05m1 stop New York John F Kennedy Intl

6:30 a.m. - 3:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

14h 10m1 stop Amsterdam Schiphol

C$ 957KLM

Tue, 3 Nov - Thu, 19 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 1,295Porter Airlines

Recent direct flight deals from Ontario to London

Sat, 7 Nov - Fri, 13 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 780Air Transat

Sat, 7 Nov - Fri, 13 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 786Air Transat

Tue, 9 Feb - Wed, 17 Feb

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 831Porter Airlines

Mon, 16 Nov - Mon, 23 Nov

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

C$ 842Porter Airlines

Tue, 24 Nov - Tue, 1 Dec

8:20 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

3:00 p.m. - 6:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

C$ 870Air Canada

Thu, 12 Nov - Wed, 18 Nov

8:10 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

11:10 a.m. - 2:25 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 15mdirect

C$ 874Air Canada

Tue, 9 Feb - Mon, 15 Feb

6:20 p.m. - 6:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

11:10 a.m. - 2:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 55mdirect

C$ 885Lufthansa

Wed, 17 Feb - Wed, 24 Feb

8:10 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

6:00 p.m. - 9:15 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 15mdirect

C$ 885Lufthansa

Tue, 10 Nov - Fri, 13 Nov

11:00 p.m. - 11:20 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

3:00 p.m. - 6:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

C$ 888Multiple Airlines

Thu, 19 Nov - Fri, 27 Nov

8:10 p.m. - 8:30 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

3:00 p.m. - 6:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

C$ 891Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	C$ 404

Best time to beat the crowds (20% less expensive on average)

Most popular time to fly (11% more expensive on average)

Flight from Toronto Pearson Airport to London Heathrow Airport

CFlew with Air Canada-Feb 2025

Flying from Toronto to London is a long-haul journey, but with the right preparation, it can be a smooth and enjoyable experience. Here are some tips to make your trip more comfortable: Choose the Right Flight – If possible, book an overnight flight (a "red-eye"). This allows you to sleep on the plane and arrive in London in the morning, helping with jet lag. Pack Smart – London’s weather can be unpredictable, so bring layers and a compact umbrella. Also, keep essentials like a travel adapter and charger in your carry-on. Use Luggage Tracking – If flying Air Canada, take advantage of their luggage tracking feature for peace of mind, knowing your bags are on the same flight as you. Stay Hydrated & Bring Snacks – Airplane cabins can be dry, so drink plenty of water. While airlines provide meals, it’s always a good idea to have extra snacks. Manage Jet Lag – Adjust your sleep schedule before departure and try to stay awake until nighttime in London to quickly adapt to the new time zone. Transportation on Arrival – Heathrow and Gatwick have great transport links. The Heathrow Express is the fastest way into central London, while the Tube (Piccadilly Line) is more budget-friendly. Have Your Documents Ready – Ensure your passport is valid, and if required, have your visa or travel authorization (e.g., an ETA for UK entry). With the right prep, your journey will be smooth and enjoyable.

Mohamed ImranFlew with Air Transat-Sep 2024

Pack food for yourself before boarding Air Transat. Blankets, pillows and headphones are not given for free.

GerhardFlew with British Airways-Jun 2024

the lounge is nice. Although the crew at check in will say there are no showers, there are! Check the board for delays

CatherineFlew with Lufthansa-May 2024

Pack light to avoid checked bag fees and then volunteer to place the carry on bag in the hold for no extra cost.

Verified travelerFlew with Air Canada-May 2024

Keep in mind the security gate post security as you cannot return back if you happened to miss collecting all your items

IwonaFlew with Air Canada-Apr 2024

Pack in ur carryon bag and don’t waste ur money to pay for check in

Verified travelerFlew with Lufthansa-May 2024

Bring water and less luggage on board if possible.

How does KAYAK find such low prices on flights from Ontario to London?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to London?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Ontario with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to London?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Gatwick

Brighton

Reading

Hayes

Guildford

Wembley

Croydon

Bedford

Harrow

Slough

Ilford

Winchester

Canterbury

Dover

Milton Keynes

Crawley

Brentford

Borehamwood

Horley

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C$ 404 Find Cheap Flights from Ontario to London – Compare and Save

Cheap Flights from Ontario to London

Recent round-trip flight deals from Ontario to London

Recent one-way flight deals from Ontario to London

Recent last minute flight deals from Ontario to London

Recent direct flight deals from Ontario to London

Good to know

Low season

High season

Cheapest flight

Flights from Ontario to London: the best tips from KAYAK users

FAQs for booking flights from Ontario to London

Travelling to a place near London?

More options for your flight to London

Complete your trip to London with a hotel stay or car rental

Cabin class types available on flights to Ontario

Find direct flights for London

Flights from domestic origins to London

Choose which airport to fly into in London

Flights to other popular destinations

Find deals for your return flight