- Argentina (Español)
- Australia (English)
- Österreich (Deutsch)
- Belgique (Français)
- België (Nederlands)
- Bolivia (Español)
- Brasil (Português)
- Canada (English)
- Canada (Français)
- Chile (Español)
- Colombia (Español)
- Costa Rica (Español)
- Česká republika (Čeština)
- Danmark (Dansk)
- Deutschland (Deutsch)
- Germany (English)
- Ecuador (Español)
- El Salvador (Español)
- España (Español)
- Espanya (Català)
- France (Français)
- Ελλάδα (Ελληνική)
- Guatemala (Español)
- Honduras (Español)
- Hong Kong (English)
- 香港 (中文)
- India (English)
- Indonesia (Bahasa Indonesia)
- Indonesia (English)
- Ireland (English)
- Israel (English)
- ישראל (עִבְרִית)
- Italia (Italiano)
- 日本 (日本語)
- Malaysia (English)
- Malaysia (Melayu)
- México (Español)
- Nederland (Nederlands)
- New Zealand (English)
- Nicaragua (Español)
- Norge (Norsk)
- Panamá (Español)
- Paraguay (Español)
- Perú (Español)
- Philippines (English)
- Polska (Polski)
- Portugal (Português)
- Puerto Rico (Español)
- República Dominicana (Español)
- România (Română)
- المملكة العربية السعودية (العَرَبِيَّة)
- Saudi Arabia (English)
- Suisse (Français)
- Schweiz (Deutsch)
- Singapore (English)
- South Africa (English)
- 대한민국 (한국어)
- Suomi (Suomi)
- Sverige (Svenska)
- 台灣 (中文)
- ประเทศไทย (ภาษาไทย)
- Thailand (English)
- Türkiye (Türkçe)
- Україна (Українська)
- United Arab Emirates (English)
- United Kingdom (English)
- United States (English)
- Estados Unidos (Español)
- Uruguay (Español)
- Venezuela (Español)
- Vietnam (English)
- Việt Nam (Việt)

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.
Recent round-trip flight deals from Ontario to London
Wed, 2 Dec - Mon, 7 Dec
9:35 p.m. - 9:45 a.m.Toronto Toronto Pearson Intl-London London Gatwick
7h 10mdirect
11:40 a.m. - 3:00 p.m.London London Gatwick-Toronto Toronto Pearson Intl
8h 20mdirect
C$ 775Air Transat
Tue, 1 Dec - Tue, 8 Dec
7:40 p.m. - 7:40 p.m.Toronto Toronto Pearson Intl-London London Gatwick
19h 00m2 stops Reykjavik Keflavik Intl Paris Charles de Gaulle
6:10 a.m. - 6:15 p.m.London London Gatwick-Toronto Toronto Pearson Intl
17h 05m2 stops Paris Charles de Gaulle Reykjavik Keflavik Intl
C$ 776Multiple Airlines
Fri, 22 Jan - Wed, 28 Apr
9:35 p.m. - 9:45 a.m.Toronto Toronto Pearson Intl-London London Gatwick
7h 10mdirect
10:00 p.m. - 1:20 p.m.London London Gatwick-Toronto Toronto Pearson Intl
20h 20m1 stop Dublin
C$ 779Multiple Airlines
Thu, 11 Feb - Tue, 16 Feb
7:40 p.m. - 10:55 a.m.Toronto Toronto Pearson Intl-London London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
11:55 a.m. - 6:15 p.m.London London Gatwick-Toronto Toronto Pearson Intl
11h 20m1 stop Reykjavik Keflavik Intl
C$ 783Icelandair
Sat, 13 Feb - Fri, 19 Feb
7:40 p.m. - 10:55 a.m.Toronto Toronto Pearson Intl-London London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
11:55 a.m. - 6:15 p.m.London London Gatwick-Toronto Toronto Pearson Intl
11h 20m1 stop Reykjavik Keflavik Intl
C$ 789Icelandair
Sat, 14 Nov - Mon, 16 Nov
9:35 p.m. - 9:45 a.m.Toronto Toronto Pearson Intl-London London Gatwick
7h 10mdirect
11:40 a.m. - 3:00 p.m.London London Gatwick-Toronto Toronto Pearson Intl
8h 20mdirect
C$ 789Air Transat
Sun, 24 Jan - Sun, 31 Jan
10:45 p.m. - 3:45 p.m.Toronto Toronto Pearson Intl-London London Gatwick
12h 00m1 stop Lisbon Humberto Delgado
10:40 a.m. - 9:15 p.m.London London Gatwick-Toronto Toronto Pearson Intl
15h 35m1 stop Lisbon Humberto Delgado
C$ 794TAP AIR PORTUGAL
Sun, 24 Jan - Sat, 30 Jan
10:45 p.m. - 3:45 p.m.Toronto Toronto Pearson Intl-London London Gatwick
12h 00m1 stop Lisbon Humberto Delgado
4:35 p.m. - 2:25 p.m.London London Gatwick-Toronto Toronto Pearson Intl
26h 50m1 stop Lisbon Humberto Delgado
C$ 796TAP AIR PORTUGAL
Wed, 18 Nov - Wed, 25 Nov
9:35 p.m. - 9:45 a.m.Toronto Toronto Pearson Intl-London London Gatwick
7h 10mdirect
11:40 a.m. - 3:00 p.m.London London Gatwick-Toronto Toronto Pearson Intl
8h 20mdirect
C$ 828Porter Airlines
Wed, 25 Nov - Wed, 2 Dec
9:35 p.m. - 9:45 a.m.Toronto Toronto Pearson Intl-London