Find Cheap Flights from United Kingdom to Ontario

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from United Kingdom to Ontario

(Round-trip)
Depart: Wed Nov 1 2017 Return: Thu Nov 9 2017 Trip spans 9 days
Air France
Air France
MAN
ONT
23h 39m
2 stops
ONT
MAN
19h 05m
2 stops
Depart: Tue Feb 13 2018 Return: Tue Feb 27 2018 Trip spans 15 days
British Airways
British Airways
LGW
ONT
29h 25m
2 stops
ONT
LGW
24h 53m
2 stops
Depart: Mon Nov 13 2017 Return: Mon Nov 20 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
ONT
26h 55m
1 stop
ONT
LHR
14h 35m
1 stop
Depart: Fri Dec 1 2017 Return: Fri Jan 12 2018 Trip spans 43 days
KLM
KLM
MAN
ONT
19h 58m
2 stops
ONT
MAN
18h 35m
2 stops
Depart: Sat Nov 18 2017 Return: Mon Dec 4 2017 Trip spans 17 days
Delta
Delta
LHR
ONT
16h 13m
2 stops
ONT
LHR
22h 15m
2 stops
Depart: Mon Oct 9 2017 Return: Fri Oct 20 2017 Trip spans 12 days
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 29m
1 stop
ONT
LHR
19h 10m
1 stop
Depart: Thu Nov 2 2017 Return: Thu Nov 9 2017 Trip spans 8 days
Air France
Air France
MAN
ONT
23h 39m
2 stops
ONT
MAN
19h 05m
2 stops
Depart: Mon Jan 15 2018 Return: Mon Jan 22 2018 Trip spans 8 days
British Airways
British Airways
LGW
ONT
29h 25m
2 stops
ONT
LGW
29h 30m
2 stops
Depart: Tue Oct 31 2017 Return: Thu Nov 9 2017 Trip spans 10 days
Air France
Air France
MAN
ONT
34h 09m
2 stops
ONT
MAN
19h 05m
2 stops
Depart: Fri Dec 1 2017 Return: Sun Dec 10 2017 Trip spans 10 days
KLM
KLM
LHR
ONT
19h 23m
2 stops
ONT
LHR
16h 25m
2 stops
Depart: Mon Feb 12 2018 Return: Wed Feb 28 2018 Trip spans 17 days
British Airways
British Airways
LHR
ONT
15h 30m
1 stop
ONT
LHR
14h 58m
1 stop
Depart: Sat Feb 10 2018 Return: Sat Feb 24 2018 Trip spans 15 days
KLM
KLM
LHR
ONT
22h 31m
2 stops
ONT
LHR
27h 00m
2 stops
Depart: Tue Feb 13 2018 Return: Wed Feb 28 2018 Trip spans 16 days
British Airways
British Airways
LHR
ONT
20h 58m
1 stop
ONT
LHR
14h 55m
1 stop
Depart: Wed Nov 1 2017 Return: Fri Nov 10 2017 Trip spans 10 days
Air France
Air France
MAN
ONT
23h 39m
2 stops
ONT
MAN
19h 05m
2 stops
Depart: Sat Jan 6 2018 Return: Sat Jan 13 2018 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
ONT
31h 51m
1 stop
ONT
LHR
14h 55m
1 stop
Depart: Wed Feb 14 2018 Return: Wed Feb 28 2018 Trip spans 15 days
British Airways
British Airways
LHR
ONT
15h 30m
1 stop
ONT
LHR
19h 06m
1 stop
Depart: Thu Nov 2 2017 Return: Fri Nov 10 2017 Trip spans 9 days
Air France
Air France
MAN
ONT
23h 39m
2 stops
ONT
MAN
19h 05m
2 stops
Depart: Fri Nov 10 2017 Return: Fri Nov 17 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
LHR
ONT
26h 55m
1 stop
ONT
LHR
28h 09m
1 stop
Depart: Mon Dec 25 2017 Return: Sun Dec 31 2017 Trip spans 7 days
British Airways
British Airways
LHR
ONT
16h 58m
1 stop
ONT
LHR
19h 35m
1 stop
Depart: Tue Oct 31 2017 Return: Fri Nov 10 2017 Trip spans 11 days
Air France
Air France
MAN
ONT
34h 09m
2 stops
ONT
MAN
19h 05m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

London
only $536
only $522
Manchester
$517
Destination

Ontario
$517