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$ 395 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Ontario to London

Wed, 11 Nov - Tue, 17 Nov

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

18h 50m1 stop Reykjavik Keflavik Intl

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

26h 40m1 stop Reykjavik Keflavik Intl

C$ 792Icelandair

3+ days ago

Wed, 11 Nov - Tue, 17 Nov

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

18h 50m1 stop Reykjavik Keflavik Intl

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

11h 00m1 stop Reykjavik Keflavik Intl

C$ 792Icelandair

3+ days ago

Thu, 5 Nov - Sat, 7 Nov

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

33h 50m1 stop Zurich

7:25 p.m. - 1:00 p.m.London London Heathrow-Toronto Toronto Pearson Intl

22h 35m2 stops Vienna Intl Frankfurt am Main

C$ 794Multiple Airlines

1 day ago

Fri, 4 Dec - Fri, 25 Dec

5:10 p.m. - 4:00 p.m.Toronto Toronto Pearson Intl-London London Heathrow

17h 50m1 stop Kastrup Copenhagen

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

14h 00m1 stop Kastrup Copenhagen

C$ 795Scandinavian Airlines

3 hours ago

Wed, 18 Nov - Sat, 23 Jan

10:45 p.m. - 3:30 p.m.Toronto Toronto Pearson Intl-London London Heathrow

11h 45m1 stop Lisbon Humberto Delgado

7:55 p.m. - 2:25 p.m.London London Heathrow-Toronto Toronto Pearson Intl

23h 30m1 stop Lisbon Humberto Delgado

C$ 804TAP AIR PORTUGAL

3+ days ago

Sun, 15 Nov - Wed, 9 Dec

10:45 p.m. - 10:40 p.m.Toronto Toronto Pearson Intl-London London Heathrow

18h 55m1 stop Lisbon Humberto Delgado

6:30 p.m. - 2:45 p.m.London London Heathrow-Toronto Toronto Pearson Intl

25h 15m1 stop Lisbon Humberto Delgado

C$ 805TAP AIR PORTUGAL

2 hours ago

Mon, 9 Nov - Fri, 20 Nov

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

7h 20mdirect

9:00 a.m. - 4:15 p.m.London London Heathrow-Toronto Toronto Pearson Intl

12h 15m1 stop Zurich

C$ 835Air Canada

3+ days ago

Mon, 9 Nov - Wed, 18 Nov

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

7h 20mdirect

9:00 a.m. - 4:15 p.m.London London Heathrow-Toronto Toronto Pearson Intl

12h 15m1 stop Zurich

C$ 835Air Canada

3+ days ago

Sat, 7 Nov - Fri, 13 Nov

9:45 p.m. - 9:50 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

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

10h 40m1 stop Amsterdam Schiphol

C$ 859Virgin Atlantic

23 hours ago

Thu, 19 Nov - Thu, 26 Nov

9:45 p.m. - 9:50 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

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

10h 40m1 stop Amsterdam Schiphol

C$ 865Virgin Atlantic

3+ days ago

Recent last minute flight deals from Ontario to London

Mon, 12 Oct - Wed, 9 Dec

5:45 p.m. - 10:20 a.m.Toronto Toronto Pearson Intl-London London Heathrow

11h 35m1 stop Lisbon Humberto Delgado

8:15 a.m. - 9:15 p.m.London London Heathrow-Toronto Toronto Pearson Intl

18h 00m1 stop Lisbon Humberto Delgado

C$ 825TAP AIR PORTUGAL

2 days ago

Sun, 11 Oct - Tue, 20 Oct

6:30 p.m. - 10:00 a.m.Toronto Toronto Island-London London Heathrow

10h 30m1 stop Montreal Pierre Elliott Trudeau Intl

9:30 a.m. - 3:50 p.m.London London Heathrow-Toronto Toronto Island

11h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 833Air Canada

3+ days ago

Sun, 11 Oct - Tue, 20 Oct

6:40 a.m. - 9:00 p.m.Toronto Toronto Pearson Intl-London London Heathrow

9h 20m1 stop Halifax Intl

12:40 p.m. - 6:27 p.m.London London Heathrow-Toronto Toronto Pearson Intl

10h 47m1 stop Halifax Intl

C$ 836Air Canada

3+ days ago

Sat, 10 Oct - Thu, 22 Oct

5:10 p.m. - 9:00 p.m.Toronto Toronto Pearson Intl-London London Heathrow

22h 50m1 stop Halifax Intl

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

11h 50m1 stop Zurich

C$ 846Multiple Airlines

3+ days ago

Sat, 10 Oct - Tue, 20 Oct

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

18h 20m1 stop Halifax Intl

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

11h 50m1 stop Zurich

C$ 852Multiple Airlines

3+ days ago

Sun, 11 Oct - Wed, 4 Nov

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

7h 10mdirect

7:40 a.m. - 2:55 p.m.London London Heathrow-Toronto Toronto Pearson Intl

12h 15m1 stop Munich Franz Josef Strauss

C$ 879Lufthansa

3+ days ago

Thu, 15 Oct - Wed, 4 Nov

4:05 p.m. - 6:30 a.m.Toronto Toronto Pearson Intl-London London Heathrow

9h 25m1 stop Ottawa

7:40 a.m. - 2:55 p.m.London London Heathrow-Toronto Toronto Pearson Intl

12h 15m1 stop Munich Franz Josef Strauss

C$ 880Lufthansa

2 days ago

Tue, 13 Oct - Mon, 19 Oct

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

7h 15mdirect

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

7h 50mdirect

C$ 880Virgin Atlantic

2 days ago

Thu, 15 Oct - Thu, 22 Oct

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

7h 15mdirect

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

7h 50mdirect

C$ 883Virgin Atlantic

1 day ago

Mon, 12 Oct - Thu, 10 Dec

10:55 p.m. - 5:45 p.m.Toronto Toronto Pearson Intl-London London Heathrow

13h 50m1 stop Lisbon Humberto Delgado

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

13h 45m1 stop Lisbon Humberto Delgado

C$ 923TAP AIR PORTUGAL

2 days ago

Recent direct flight deals from Ontario to London

Mon, 9 Nov - Wed, 18 Nov

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

7h 20mdirect

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

8h 15mdirect

C$ 865Air Canada

3+ days ago

Mon, 9 Nov - Fri, 20 Nov

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

7h 20mdirect

6:00 p.m. - 9:05 p.m.London London Heathrow-Toronto Toronto Pearson Intl

8h 05mdirect

C$ 865Air Canada

3+ days ago

Mon, 1 Mar - Mon, 8 Mar

10:20 p.m. - 10:25 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

12:50 p.m. - 3:55 p.m.London London Heathrow-Toronto Toronto Pearson Intl

8h 05mdirect

C$ 866British Airways

3+ days ago

Mon, 1 Mar - Mon, 8 Mar

10:20 p.m. - 10:25 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

12:50 p.m. - 3:55 p.m.London London Heathrow-Toronto Toronto Pearson Intl

8h 05mdirect

C$ 876British Airways

2 days ago

Sat, 21 Nov - Sat, 28 Nov

9:45 p.m. - 9:50 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

4:10 p.m. - 7:05 p.m.London London Heathrow-Toronto Toronto Pearson Intl

7h 55mdirect

C$ 882KLM

2 days ago

Tue, 23 Feb - Mon, 1 Mar

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

7h 20mdirect

11:10 a.m. - 2:00 p.m.London London Heathrow-Toronto Toronto Pearson Intl

7h 50mdirect

C$ 885Multiple Airlines

1 day ago

Sun, 24 Jan - Mon, 22 Mar

10:55 p.m. - 11:20 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 25mdirect

11:10 a.m. - 3:00 p.m.London London Heathrow-Toronto Toronto Pearson Intl

7h 50mdirect

C$ 886Lufthansa

1 day ago

Mon, 9 Nov - Mon, 16 Nov

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

7h 20mdirect

6:00 p.m. - 9:05 p.m.London London Heathrow-Toronto Toronto Pearson Intl

8h 05mdirect

C$ 890Multiple Airlines

3+ days ago

Sat, 28 Nov - Mon, 7 Dec

9:45 p.m. - 9:50 a.m.Toronto Toronto Pearson Intl-London London Heathrow

7h 05mdirect

4:10 p.m. - 7:05 p.m.London London Heathrow-Toronto Toronto Pearson Intl

7h 55mdirect

C$ 896KLM

3+ days ago

Thu, 22 Oct - Wed, 4 Nov

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

7h 00mdirect

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

8h 05mdirect

C$ 896Lufthansa

3+ days ago

Useful Info

Low season	January
High season	July
Cheapest flight	C$ 395

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

Brighton

Reading

Hayes

Guildford

Wembley

Croydon

Harrow

Slough

Winchester

Ilford

Canterbury

Milton Keynes

Bedford

Crawley

Dover

Northampton

Moreton-in-Marsh

Poole

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C$ 395 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

Recent direct flight deals from Ontario to London

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

FAQs for booking Ontario to London Heathrow Airport flights

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