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.

£348 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

Wed, 25 Nov - Sun, 6 Dec

09:00 - 20:02LHR London Heathrow-ONT Ontario

19h 02m2 stops Zurich San Francisco

07:00 - 05:55ONT Ontario-LHR London Heathrow

14h 55m1 stop Chicago O'Hare Intl

£377United Airlines

Mon, 19 Oct - Mon, 26 Oct

08:40 - 17:41LHR London Heathrow-ONT Ontario

41h 01m2 stops Zurich San Francisco

05:00 - 09:40ONT Ontario-LHR London Heathrow

21h 40m1 stop Denver Intl

£377United Airlines

Thu, 22 Oct - Thu, 29 Oct

06:55 - 22:49LHR London Heathrow-ONT Ontario

23h 54m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

05:00 - 09:40ONT Ontario-LHR London Heathrow

21h 40m1 stop Denver Intl

£380United Airlines

Wed, 4 Nov - Fri, 4 Dec

11:45 - 22:43LHR London Heathrow-ONT Ontario

42h 58m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

12:20 - 07:50ONT Ontario-LHR London Heathrow

35h 30m1 stop Atlanta Hartsfield-Jackson

£388Virgin Atlantic

Wed, 4 Nov - Fri, 4 Dec

15:45 - 22:43LHR London Heathrow-ONT Ontario

38h 58m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

06:00 - 07:05ONT Ontario-LHR London Heathrow

17h 05m2 stops Salt Lake City Minneapolis St Paul

£388Virgin Atlantic

Mon, 5 Oct - Mon, 12 Oct

14:45 - 23:55LHR London Heathrow-ONT Ontario

41h 10m2 stops Amsterdam Schiphol Salt Lake City

09:45 - 10:00ONT Ontario-LHR London Heathrow

16h 15m1 stop Salt Lake City

£388Virgin Atlantic

Wed, 25 Nov - Sun, 6 Dec

12:20 - 23:00LHR London Heathrow-ONT Ontario

18h 40m1 stop Seattle/Tacoma Intl

23:08 - 07:50ONT Ontario-LHR London Heathrow

24h 42m1 stop Atlanta Hartsfield-Jackson

£404Multiple Airlines

Mon, 19 Oct - Mon, 26 Oct

11:45 - 22:43LHR London Heathrow-ONT Ontario

18h 58m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

06:00 - 09:00ONT Ontario-LHR London Heathrow

20h 00m2 stops Salt Lake City Atlanta Hartsfield-Jackson

£409Delta

Sun, 13 Dec - Sun, 17 Jan

14:35 - 21:53LHR London Heathrow-ONT Ontario

15h 18m1 stop Phoenix Sky Harbor Intl

16:25 - 13:35ONT Ontario-LHR London Heathrow

13h 10m1 stop Phoenix Sky Harbor Intl

£475British Airways

Tue, 26 Jan - Sat, 30 Jan

14:45 - 23:17LHR London Heathrow-ONT Ontario

16h 32m1 stop Dallas/Fort Worth

14:17 - 12:00ONT Ontario-LHR London Heathrow

13h 43m1 stop Dallas/Fort Worth

£482British Airways

Recent last minute flight deals from England to Ontario

Fri, 11 Sep - Thu, 24 Sep

13:00 - 20:01LHR London Heathrow-ONT Ontario

15h 01m1 stop San Francisco

13:24 - 09:40ONT Ontario-LHR London Heathrow

12h 16m1 stop Denver Intl

£405United Airlines

Sat, 12 Sep - Sat, 19 Sep

13:40 - 21:59LHR London Heathrow-ONT Ontario

16h 19m1 stop Houston George Bush Intcntl

13:56 - 11:10ONT Ontario-LHR London Heathrow

13h 14m1 stop San Francisco

£405United Airlines

Mon, 14 Sep - Fri, 25 Sep

14:50 - 20:53LHR London Heathrow-ONT Ontario

14h 03m1 stop Denver Intl

13:24 - 09:40ONT Ontario-LHR London Heathrow

12h 16m1 stop Denver Intl

£405United Airlines

Fri, 11 Sep - Fri, 18 Sep

17:00 - 14:16LHR London Heathrow-ONT Ontario

29h 16m1 stop Seattle/Tacoma Intl

19:59 - 15:05ONT Ontario-LHR London Heathrow

35h 06m1 stop Seattle/Tacoma Intl

£422Alaska Airlines

Sun, 13 Sep - Sat, 26 Sep

17:00 - 14:16LHR London Heathrow-ONT Ontario

29h 16m1 stop Seattle/Tacoma Intl

15:14 - 15:05ONT Ontario-LHR London Heathrow

15h 51m1 stop Seattle/Tacoma Intl

£422Alaska Airlines

Fri, 11 Sep - Fri, 25 Sep

11:40 - 22:40LHR London Heathrow-ONT Ontario

19h 00m1 stop Seattle/Tacoma Intl

18:00 - 15:35ONT Ontario-LHR London Heathrow

13h 35m1 stop Seattle/Tacoma Intl

£422Delta

Sat, 12 Sep - Sun, 27 Sep

10:05 - 18:17LHR London Heathrow-ONT Ontario

16h 12m1 stop Phoenix Sky Harbor Intl

10:25 - 09:05ONT Ontario-LHR London Heathrow

14h 40m1 stop Dallas/Fort Worth

£492British Airways

Mon, 14 Sep - Mon, 28 Sep

20:40 - 09:29LGW London Gatwick-ONT Ontario

44h 49m2 stops Madrid Barajas Dallas/Fort Worth

14:22 - 20:00ONT Ontario-LGW London Gatwick

45h 38m2 stops Dallas/Fort Worth Madrid Barajas

£495British Airways

Mon, 14 Sep - Sun, 27 Sep

17:45 - 16:35LHR London Heathrow-ONT Ontario

30h 50m2 stops Seattle/Tacoma Intl Salt Lake City

06:00 - 11:20ONT Ontario-LHR London Heathrow

21h 20m1 stop Seattle/Tacoma Intl

£580Virgin Atlantic

Sat, 12 Sep - Sat, 19 Sep

17:45 - 22:40LHR London Heathrow-ONT Ontario

36h 55m1 stop Seattle/Tacoma Intl

18:00 - 11:20ONT Ontario-LHR London Heathrow

33h 20m1 stop Seattle/Tacoma Intl

£733Virgin Atlantic

Useful Info

Low season	January
High season	June
Cheapest flight	£348

Best time to beat the crowds (9% less expensive on average)

Most popular time to fly (26% 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.