How does KAYAK find such low prices on flights from England to Ontario?

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 England to Ontario.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from England 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 England to Ontario?

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 Ontario with an airline and back to England with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from England to Ontario?

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

£333 CHEAP FLIGHTS from England to Ontario

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Cheap Flights from England to Ontario

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

Return

One-way

Last minute

Recent return flight deals from England to Ontario

Thu, 10 Dec - Wed, 6 Jan

14:45 - 22:59LHR London Heathrow-ONT Ontario

16h 14m1 stop Seattle/Tacoma Intl

07:00 - 12:20ONT Ontario-LHR London Heathrow

21h 20m1 stop Seattle/Tacoma Intl

£410Alaska Airlines

Wed, 4 Nov - Tue, 10 Nov

14:45 - 18:17LHR London Heathrow-ONT Ontario

35h 32m1 stop Seattle/Tacoma Intl

12:02 - 12:20ONT Ontario-LHR London Heathrow

16h 18m1 stop Seattle/Tacoma Intl

£415Alaska Airlines

Fri, 15 Jan - Wed, 20 Jan

17:50 - 22:43LHR London Heathrow-ONT Ontario

36h 53m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

12:00 - 09:00ONT Ontario-LHR London Heathrow

13h 00m1 stop Atlanta Hartsfield-Jackson

£495Virgin Atlantic

Fri, 22 Jan - Fri, 29 Jan

06:30 - 22:43LHR London Heathrow-ONT Ontario

24h 13m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

12:00 - 09:00ONT Ontario-LHR London Heathrow

13h 00m1 stop Atlanta Hartsfield-Jackson

£496Virgin Atlantic

Thu, 18 Feb - Fri, 5 Mar

12:20 - 22:43LHR London Heathrow-ONT Ontario

18h 23m1 stop Seattle/Tacoma Intl

12:00 - 11:40ONT Ontario-LHR London Heathrow

15h 40m1 stop Atlanta Hartsfield-Jackson

£522Multiple Airlines

Thu, 21 Jan - Thu, 11 Feb

15:45 - 16:12LHR London Heathrow-ONT Ontario

32h 27m2 stops Amsterdam Schiphol Salt Lake City

07:00 - 07:50ONT Ontario-LHR London Heathrow

16h 50m1 stop Atlanta Hartsfield-Jackson

£522Multiple Airlines

Thu, 21 Jan - Mon, 25 Jan

07:30 - 21:00LHR London Heathrow-ONT Ontario

21h 30m2 stops Frankfurt am Main Denver Intl

06:00 - 11:15ONT Ontario-LHR London Heathrow

21h 15m1 stop San Francisco

£571United Airlines

Thu, 21 Jan - Mon, 25 Jan

07:30 - 21:00LHR London Heathrow-ONT Ontario

21h 30m2 stops Frankfurt am Main Denver Intl

07:00 - 08:25ONT Ontario-LHR London Heathrow

17h 25m2 stops Chicago O'Hare Intl Newark

£571United Airlines

Thu, 19 Nov - Sat, 28 Nov

14:10 - 23:20LHR London Heathrow-ONT Ontario

17h 10m1 stop Charlotte Douglas

06:00 - 06:50ONT Ontario-LHR London Heathrow

16h 50m1 stop Dallas/Fort Worth

£611British Airways

Fri, 20 Nov - Sat, 28 Nov

08:20 - 18:52LHR London Heathrow-ONT Ontario

18h 32m1 stop Dallas/Fort Worth

07:00 - 06:50ONT Ontario-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

£611British Airways

Recent last minute flight deals from England to Ontario

Wed, 28 Oct - Fri, 13 Nov

14:45 - 18:00LHR London Heathrow-ONT Ontario

34h 15m1 stop Seattle/Tacoma Intl

12:02 - 12:20ONT Ontario-LHR London Heathrow

16h 18m1 stop Seattle/Tacoma Intl

£412Alaska Airlines

Thu, 29 Oct - Wed, 11 Nov

14:45 - 23:42LHR London Heathrow-ONT Ontario

15h 57m1 stop Seattle/Tacoma Intl

12:02 - 12:20ONT Ontario-LHR London Heathrow

16h 18m1 stop Seattle/Tacoma Intl

£421Alaska Airlines

Tue, 27 Oct - Fri, 30 Oct

09:30 - 20:15LHR London Heathrow-ONT Ontario

17h 45m2 stops Frankfurt am Main San Francisco

06:00 - 10:15ONT Ontario-LHR London Heathrow

21h 15m1 stop Houston George Bush Intcntl

£701United Airlines

Tue, 27 Oct - Tue, 3 Nov

12:20 - 23:55LHR London Heathrow-ONT Ontario

18h 35m2 stops Seattle/Tacoma Intl Salt Lake City

07:07 - 07:50ONT Ontario-LHR London Heathrow

16h 43m1 stop Atlanta Hartsfield-Jackson

£714Virgin Atlantic

Thu, 29 Oct - Wed, 11 Nov

09:00 - 22:48LHR London Heathrow-ONT Ontario

20h 48m2 stops Zurich San Francisco

13:29 - 09:40ONT Ontario-LHR London Heathrow

12h 11m1 stop Denver Intl

£715United Airlines

Tue, 27 Oct - Fri, 6 Nov

12:20 - 22:43LHR London Heathrow-ONT Ontario

17h 23m1 stop Seattle/Tacoma Intl

06:00 - 07:45ONT Ontario-LHR London Heathrow

17h 45m2 stops Salt Lake City Detroit Metropolitan Wayne County

£719Virgin Atlantic

Mon, 26 Oct - Tue, 10 Nov

16:00 - 11:06LHR London Heathrow-ONT Ontario

26h 06m1 stop Atlanta Hartsfield-Jackson

07:05 - 07:50ONT Ontario-LHR London Heathrow

16h 45m1 stop Atlanta Hartsfield-Jackson

£723KLM

Thu, 29 Oct - Wed, 11 Nov

06:30 - 17:12LHR London Heathrow-ONT Ontario

17h 42m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

13:15 - 20:10ONT Ontario-LHR London Heathrow

22h 55m2 stops Salt Lake City New York John F Kennedy Intl

£729Delta

Thu, 29 Oct - Tue, 3 Nov

10:05 - 18:44LHR London Heathrow-ONT Ontario

15h 39m1 stop Dallas/Fort Worth

12:42 - 10:00ONT Ontario-LHR London Heathrow

13h 18m1 stop Dallas/Fort Worth

£782British Airways

Fri, 30 Oct - Tue, 3 Nov

13:50 - 22:59LHR London Heathrow-ONT Ontario

16h 09m1 stop Charlotte Douglas

14:22 - 12:10ONT Ontario-LHR London Heathrow

13h 48m1 stop Dallas/Fort Worth

£782British Airways

Useful Info

Low season	January
High season	June
Cheapest flight	£333

Best time to beat the crowds (6% less expensive on average)

Most popular time to fly (30% more expensive on average)

Flight from London Heathrow Airport to Ontario

How does KAYAK find such low prices on flights from England to Ontario?
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 England to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from England to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from England 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 England to Ontario?
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 Ontario with an airline and back to England with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from England to Ontario?
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 Ontario from England up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.