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 return 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.

£206 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.

Return

One-way

Last minute

Direct

Recent return flight deals from Ontario to London

Sun, 15 Nov - Wed, 25 Nov

19:40 - 19:30YYZ Toronto Pearson Intl-LHR London Heathrow

18h 50m1 stop Reykjavik Keflavik Intl

12:15 - 18:15LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Reykjavik Keflavik Intl

£415Icelandair

Mon, 9 Nov - Sat, 21 Nov

19:40 - 10:50YYZ Toronto Pearson Intl-LHR London Heathrow

10h 10m1 stop Reykjavik Keflavik Intl

12:15 - 18:15LHR London Heathrow-YYZ Toronto Pearson Intl

11h 00m1 stop Reykjavik Keflavik Intl

£415Icelandair

Wed, 2 Dec - Sat, 5 Dec

22:45 - 22:40YYZ Toronto Pearson Intl-LHR London Heathrow

18h 55m1 stop Lisbon Humberto Delgado

06:00 - 14:40LHR London Heathrow-YYZ Toronto Pearson Intl

13h 40m1 stop Lisbon Humberto Delgado

£415TAP AIR PORTUGAL

Thu, 22 Oct - Sun, 8 Nov

17:35 - 12:45YYZ Toronto Pearson Intl-LHR London Heathrow

14h 10m1 stop Lisbon Humberto Delgado

08:15 - 21:15LHR London Heathrow-YYZ Toronto Pearson Intl

18h 00m1 stop Lisbon Humberto Delgado

£415TAP AIR PORTUGAL

Tue, 22 Sep - Fri, 6 Nov

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£415Air Transat

Tue, 22 Sep - Thu, 5 Nov

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£415Air Transat

Sat, 21 Nov - Mon, 23 Nov

19:50 - 19:35YYZ Toronto Pearson Intl-LHR London Heathrow

18h 45m1 stop Munich Franz Josef Strauss

19:30 - 13:00LHR London Heathrow-YYZ Toronto Pearson Intl

22h 30m1 stop Frankfurt am Main

£429Lufthansa

Tue, 6 Oct - Thu, 8 Oct

21:25 - 09:35YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

08:45 - 12:50LHR London Heathrow-YYZ Toronto Pearson Intl

33h 05m1 stop Zurich

£431Air Canada

Fri, 2 Oct - Sun, 4 Oct

23:50 - 11:50YYZ Toronto Pearson Intl-LHR London Heathrow

7h 00mdirect

11:05 - 11:50LHR London Heathrow-YYZ Toronto Pearson Intl

29h 45m1 stop Brussels Bruxelles-National

£432Air Canada

Tue, 10 Nov - Wed, 25 Nov

20:10 - 08:30YYZ Toronto Pearson Intl-LHR London Heathrow

7h 20mdirect

07:40 - 14:55LHR London Heathrow-YYZ Toronto Pearson Intl

12h 15m1 stop Munich Franz Josef Strauss

£468Lufthansa

Recent last minute flight deals from Ontario to London

Wed, 9 Sep - Wed, 16 Sep

15:40 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

13h 10m1 stop Montreal Pierre Elliott Trudeau Intl

09:40 - 12:45LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

£415Air Transat

Wed, 9 Sep - Wed, 16 Sep

18:00 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 - 22:00LGW London Gatwick-YYZ Toronto Pearson Intl

15h 25m1 stop Montreal Pierre Elliott Trudeau Intl

£415Porter Airlines

Wed, 9 Sep - Sat, 19 Sep

18:00 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 - 17:40LGW London Gatwick-YYZ Toronto Pearson Intl

11h 05m1 stop Montreal Pierre Elliott Trudeau Intl

£415Porter Airlines

Wed, 9 Sep - Mon, 21 Sep

18:00 - 09:50YYZ Toronto Pearson Intl-LGW London Gatwick

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

11:35 - 22:00LGW London Gatwick-YYZ Toronto Pearson Intl

15h 25m1 stop Montreal Pierre Elliott Trudeau Intl

£416Air Transat

Mon, 7 Sep - Mon, 14 Sep

06:40 - 21:00YYZ Toronto Pearson Intl-LHR London Heathrow

9h 20m1 stop Halifax Intl

09:30 - 15:07LHR London Heathrow-YYZ Toronto Pearson Intl

10h 37m1 stop Ottawa

£448Air Canada

Thu, 10 Sep - Thu, 17 Sep

08:40 - 06:30YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

16h 50m1 stop Ottawa

06:00 - 15:00LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

14h 00m1 stop Zurich

£448Air Canada

Wed, 9 Sep - Wed, 16 Sep

16:10 - 08:35YYZ Toronto Pearson Intl-LHR London Heathrow

11h 25m1 stop Ottawa

09:00 - 18:30LHR London Heathrow-YYZ Toronto Pearson Intl

14h 30m1 stop Munich Franz Josef Strauss

£475Lufthansa

Wed, 9 Sep - Wed, 16 Sep

18:05 - 08:35YYZ Toronto Pearson Intl-LHR London Heathrow

9h 30m1 stop Ottawa

07:25 - 18:30LHR London Heathrow-YYZ Toronto Pearson Intl

16h 05m1 stop Munich Franz Josef Strauss

£475Lufthansa

Sat, 12 Sep - Sat, 26 Sep

18:05 - 06:15YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

17:05 - 20:10LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

£510British Airways

Sat, 12 Sep - Sat, 26 Sep

18:05 - 06:15YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

17:05 - 20:10LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

£513British Airways

Recent direct flight deals from Ontario to London

Wed, 11 Nov - Thu, 19 Nov

21:35 - 09:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£415Air Transat

Tue, 22 Sep - Thu, 5 Nov

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£415Air Transat

Thu, 1 Oct - Sat, 3 Oct

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

09:40 - 12:45LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

£415Porter Airlines

Tue, 22 Sep - Wed, 4 Nov

22:45 - 10:45YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

11:40 - 15:00LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

£415Porter Airlines

Wed, 21 Oct - Wed, 28 Oct

22:00 - 10:15YYZ Toronto Pearson Intl-LHR London Heathrow

7h 15mdirect

17:15 - 21:15LHR London Heathrow-YYZ Toronto Pearson Intl

8h 00mdirect

£431British Airways

Tue, 6 Oct - Tue, 13 Oct

18:05 - 06:15YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

17:05 - 20:10LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

£431British Airways

Sun, 18 Oct - Sun, 25 Oct

21:25 - 09:35YYZ Toronto Pearson Intl-LHR London Heathrow

7h 10mdirect

18:00 - 22:05LHR London Heathrow-YYZ Toronto Pearson Intl

8h 05mdirect

£451Air Canada

Thu, 17 Sep - Wed, 30 Sep

23:50 - 11:50YYZ Toronto Pearson Intl-LHR London Heathrow

7h 00mdirect

17:40 - 20:30LHR London Heathrow-YYZ Toronto Pearson Intl

7h 50mdirect

£453Air Canada

Sat, 10 Oct - Sun, 18 Oct

18:40 - 06:30YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 50mdirect

09:30 - 12:00LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 30mdirect

£465Lufthansa

Sat, 19 Sep - Sat, 26 Sep

18:40 - 06:30YUL Montreal Pierre Elliott Trudeau Intl-LHR London Heathrow

6h 50mdirect

09:30 - 12:00LHR London Heathrow-YUL Montreal Pierre Elliott Trudeau Intl

7h 30mdirect

£465Lufthansa

Useful Info

Low season	January
High season	December
Cheapest flight	£206

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

Most popular time to fly (10% more expensive on average)

Flight from Montreal to London Stansted 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-Sept 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 return 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.

Gatwick

Eastbourne

Milton Keynes

Hounslow

Luton

Southend-on-Sea

Newport

Folkestone

Winchester

Slough

Croydon

Stansted

Colchester

Chichester

Crawley

Maidstone

Chelmsford

Hastings

Bedford

Richmond

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£206 Find Cheap Flights from Ontario to London – Compare and Save

Cheap Flights from Ontario to London

Recent return 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 - Cheap tickets from Ontario to London

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 hire

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