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. Visit our flight page for the latest deals!>/a>

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 travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

C$ 381 CHEAP FLIGHTS from Ontario to London Gatwick (LGW)

LGW

KAYAK searches hundreds of travel sites at once for deals on flights to London Gatwick Airport

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Cheapest round-trip

C$ 790

Overall average: C$ 759

WestJet

Wed 20/5Sun 24/5

YYZ - LGW • 1 stop

Cheapest direct flights

C$ 791

Typical prices: C$ 688-C$ 844

Air Transat

Thu 15/1Sun 17/5

YYZ - LGW • Direct

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We hope you love your trip to London!

Flight Deals

Cheap Flights from Ontario to London

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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, 20 May - Sun, 24 May

5:35 p.m. - 9:15 a.m.

YYZ

LGW

10h 40m1 stop

10:35 a.m. - 5:00 p.m.

LGW

YYZ

11h 25m1 stop

C$ 790WestJet

Thu, 15 Jan - Sun, 17 May

9:35 p.m. - 9:45 a.m.

YYZ

LGW

7h 10mdirect

12:40 p.m. - 3:40 p.m.

LGW

YYZ

8h 00mdirect

C$ 791Air Transat

Sat, 4 Apr - Fri, 10 Apr

11:20 p.m. - 2:40 p.m.

YYZ

LGW

10h 20m1 stop

3:40 p.m. - 10:10 p.m.

LGW

YYZ

11h 30m1 stop

C$ 794Icelandair

Tue, 10 Feb - Sun, 1 Mar

7:40 p.m. - 10:55 a.m.

YYZ

LGW

10h 15m1 stop

11:55 a.m. - 6:15 p.m.

LGW

YYZ

11h 20m1 stop

C$ 796Icelandair

Wed, 14 Jan - Mon, 19 Jan

10:45 p.m. - 10:00 a.m.

YYZ

LGW

30h 15m2 stops

4:35 p.m. - 3:20 p.m.

LGW

YYZ

27h 45m1 stop

C$ 798TAP AIR PORTUGAL

Sun, 15 Feb - Mon, 23 Feb

5:25 p.m. - 9:15 a.m.

YYZ

LGW

10h 50m1 stop

9:00 a.m. - 3:55 p.m.

LGW

YYZ

11h 55m1 stop

C$ 800Multiple Airlines

Mon, 2 Mar - Thu, 5 Mar

10:00 a.m. - 9:45 a.m.

YOW

LGW

18h 45m1 stop

11:40 a.m. - 6:26 p.m.

LGW

YOW

11h 46m1 stop

C$ 831Porter Airlines

Mon, 30 Mar - Sun, 12 Apr

10:45 p.m. - 3:35 p.m.

YUL

LGW

11h 50m1 stop

9:15 p.m. - 9:10 p.m.

LGW

YUL

28h 55m2 stops

C$ 833TAP AIR PORTUGAL

Tue, 26 May - Mon, 8 Jun

6:55 p.m. - 9:50 a.m.

YTZ

LGW

9h 55m1 stop

11:35 a.m. - 6:07 p.m.

LGW

YTZ

11h 32m1 stop

C$ 839Porter Airlines

Fri, 6 Feb - Sat, 14 Mar

6:20 a.m. - 10:00 a.m.

YQT

LGW

22h 40m2 stops

11:40 a.m. - 9:30 p.m.

LGW

YQT

13h 50m1 stop

C$ 1,344Multiple Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	C$ 381

Best time to beat the crowds (12% less expensive on average)

Most popular time to fly (20% more expensive on average)

Flight from Ottawa to London Gatwick Airport

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 travellers 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

Hayes

Wembley

Reading

Slough

Crawley

Croydon

Dover

St. Albans

Richmond

Watford

Milton Keynes

Canterbury

Eastbourne

Guildford

Winchester

Borehamwood

Ilford

Everything you need to know for your flight to London

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

London (LGW)

LGW

C$ 381 Find Cheap Flights from Ontario to London

KAYAK searches hundreds of travel sites at once for deals on flights to London Gatwick Airport

Everything you should know

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

FAQs for booking Ontario to London flights

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 travellers 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.

Travelling to a place near London?

Everything you need to know for your flight to London

Information on your arrival and departure airports

Cabin class types available on flights to London

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

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in London

Find deals for your return flight