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

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 Heathrow Airport.

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

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

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

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 Heathrow Airport 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 Heathrow Airport?

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 Heathrow Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

C$ 384 CHEAP FLIGHTS from Ontario to London Heathrow (LHR)

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Cheap Flights from Ontario to London

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

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One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to London

Tue, 1 Dec - Mon, 7 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$ 752Icelandair

Wed, 18 Nov - Fri, 27 Nov

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$ 752Icelandair

Thu, 12 Nov - Sun, 15 Nov

8:25 p.m. - 11:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

33h 50m1 stop Zurich

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

8h 15mdirect

C$ 754Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

5:10 p.m. - 5:40 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

19h 30m1 stop Kastrup Copenhagen

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

26h 00m1 stop Kastrup Copenhagen

C$ 760Scandinavian Airlines

Mon, 12 Oct - Wed, 28 Oct

10:45 p.m. - 6:50 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

15h 05m1 stop Lisbon Humberto Delgado

8:15 a.m. - 8:55 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

16h 40m1 stop Lisbon Humberto Delgado

C$ 778TAP AIR PORTUGAL

Wed, 21 Oct - Wed, 28 Oct

10:45 p.m. - 10:00 p.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

18h 15m1 stop Lisbon Humberto Delgado

8:15 a.m. - 8:55 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

16h 40m1 stop Lisbon Humberto Delgado

C$ 778TAP AIR PORTUGAL

Mon, 23 Nov - Wed, 25 Nov

5:55 p.m. - 12:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

13h 05m1 stop Chicago O'Hare Intl

11:05 a.m. - 2:25 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

56h 20m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

C$ 778United Airlines

Mon, 23 Nov - Wed, 25 Nov

4:45 p.m. - 6:45 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

21h 00m1 stop Frankfurt am Main

5:50 p.m. - 2:55 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

26h 05m1 stop Munich Franz Josef Strauss

C$ 782Lufthansa

Fri, 12 Feb - Sun, 14 Feb

7:50 p.m. - 7:35 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

18h 45m1 stop Munich Franz Josef Strauss

7:30 p.m. - 1:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

22h 30m1 stop Frankfurt am Main

C$ 816Lufthansa

Sat, 10 Oct - Mon, 12 Oct

7:30 p.m. - 6:40 p.m.YOW Ottawa-LHR London Heathrow

18h 10m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

5:55 p.m. - 4:38 p.m.LHR London Heathrow-YOW Ottawa

27h 43m2 stops Brussels Bruxelles-National Newark

C$ 853United Airlines

Recent last minute flight deals from Ontario to London

Tue, 1 Sep - Mon, 14 Sep

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

17h 15m1 stop Halifax Intl

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

13h 00m1 stop Munich Franz Josef Strauss

C$ 860Multiple Airlines

Tue, 1 Sep - Tue, 20 Oct

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

17h 15m1 stop Halifax Intl

6:00 a.m. - 12:50 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 50m1 stop Zurich

C$ 874Air Canada

Tue, 1 Sep - Thu, 22 Oct

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

17h 15m1 stop Halifax Intl

6:00 a.m. - 4:10 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

15h 10m1 stop Zurich

C$ 874Air Canada

Mon, 31 Aug - Tue, 8 Sep

10:40 p.m. - 9:00 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

17h 20m1 stop Halifax Intl

7:00 a.m. - 6:12 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

16h 12m2 stops Geneva Geneve-Cointrin Montreal Pierre Elliott Trudeau Intl

C$ 883Multiple Airlines

Tue, 1 Sep - Tue, 20 Oct

2:00 p.m. - 6:45 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

11h 45m1 stop Chicago O'Hare Intl

6:50 a.m. - 8:35 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

18h 45m2 stops Brussels Bruxelles-National Newark

C$ 956United Airlines

Mon, 31 Aug - Mon, 7 Sep

8:00 p.m. - 8:40 p.m.YYZ Toronto Pearson Intl-LHR London Heathrow

19h 40m1 stop Newark

6:50 a.m. - 10:04 a.m.LHR London Heathrow-YYZ Toronto Pearson Intl

32h 14m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

C$ 957United Airlines

Tue, 1 Sep - Sat, 10 Oct

5:35 p.m. - 8:05 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 30m1 stop Dublin

9:50 a.m. - 3:50 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Dublin

C$ 1,047Aer Lingus

Tue, 1 Sep - Mon, 12 Oct

6:00 a.m. - 8:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

21h 50m1 stop New York John F Kennedy Intl

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 1,054Delta

Tue, 1 Sep - Sun, 11 Oct

2:31 p.m. - 9:15 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

13h 44m2 stops New York LaGuardia Boston Logan Intl

5:45 p.m. - 8:35 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 1,054Delta

Tue, 1 Sep - Sun, 6 Sep

5:35 p.m. - 8:05 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

9h 30m1 stop Dublin

9:50 a.m. - 3:50 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Dublin

C$ 1,153Aer Lingus

Recent direct flight deals from Ontario to London

Thu, 1 Oct - Thu, 8 Oct

11:50 p.m. - 11:50 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 00mdirect

2:10 p.m. - 5:20 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 10mdirect

C$ 846Air Canada

Sat, 10 Oct - Thu, 15 Oct

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

7h 00mdirect

5:40 p.m. - 8:30 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 853Air Canada

Thu, 1 Oct - Thu, 8 Oct

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 860Virgin Atlantic

Thu, 1 Oct - Sat, 10 Oct

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 861Virgin Atlantic

Thu, 1 Oct - Sat, 10 Oct

10:55 p.m. - 11:10 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

5:50 p.m. - 8:40 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

C$ 872KLM

Thu, 22 Oct - Fri, 30 Oct

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

7h 00mdirect

6:00 p.m. - 10:05 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

C$ 872Multiple Airlines

Fri, 16 Oct - Sat, 24 Oct

9:25 p.m. - 9:35 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

8:30 a.m. - 11:15 a.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 45mdirect

C$ 872Multiple Airlines

Tue, 15 Sep - Wed, 20 Jan

10:00 p.m. - 9:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 40mdirect

4:45 p.m. - 7:15 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 30mdirect

C$ 874British Airways

Tue, 15 Sep - Wed, 20 Jan

10:00 p.m. - 9:40 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 40mdirect

4:45 p.m. - 7:15 p.m.LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 30mdirect

C$ 875British Airways

Sat, 5 Dec - Sat, 12 Dec

9:00 p.m. - 9:05 a.m.YYZ Toronto Pearson Intl-LHR London Heathrow

7h 05mdirect

1:05 p.m. - 4:00 p.m.LHR London Heathrow-YYZ Toronto Pearson Intl

7h 55mdirect

C$ 908KLM

Useful Info

Low season	January
High season	August
Cheapest flight	C$ 384

Best time to beat the crowds (18% less expensive on average)

Most popular time to fly (13% 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.

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 Heathrow Airport?
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 Heathrow Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to London Heathrow Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Ontario is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Ontario to London Heathrow Airport?
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 Heathrow Airport 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 Heathrow Airport?
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 Heathrow Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Gatwick

Reading

Brighton

Hayes

Wembley

Guildford

Harrow

Croydon

Slough

Ilford

Winchester

Crawley

Canterbury

Dover

Bedford

Moreton-in-Marsh

Poole

Horley

Salisbury

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LHR

C$ 384 Find Cheap Flights from Ontario to London Heathrow Airport – 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

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

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Everything you need to know for your flight to London

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