Find Deals on Flights from London Heathrow to Ontario (LHR - ONT)

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 London Heathrow to Ontario

(Round-trip)
Depart: Mon Mar 6 2017 Return: Mon Mar 27 2017 Trip spans 21 days
British Airways
British Airways
LHR
ONT
21h 53m
2 stops
ONT
LHR
18h 26m
1 stop
Depart: Tue Mar 7 2017 Return: Tue Mar 14 2017 Trip spans 7 days
Delta
Delta
LHR
ONT
14h 16m
1 stop
ONT
LHR
18h 05m
1 stop
Depart: Thu Jun 1 2017 Return: Thu Jun 8 2017 Trip spans 8 days
American Airlines
American Airlines
LHR
ONT
15h 18m
1 stop
ONT
LHR
13h 05m
1 stop
Depart: Tue Jul 4 2017 Return: Sat Jul 15 2017 Trip spans 12 days
$1010
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Virgin Atlantic
Virgin Atlantic
LHR
ONT
14h 34m
1 stop
ONT
LHR
16h 20m
1 stop
Depart: Fri Mar 17 2017 Return: Sun Mar 26 2017 Trip spans 10 days
Delta
Delta
LHR
ONT
18h 51m
2 stops
ONT
LHR
19h 07m
1 stop
Depart: Thu Aug 17 2017 Return: Thu Aug 31 2017 Trip spans 15 days
British Airways
British Airways
LHR
ONT
46h 22m
2 stops
ONT
LHR
16h 50m
1 stop
Depart: Sun Apr 9 2017 Return: Wed Apr 19 2017 Trip spans 11 days
British Airways
British Airways
LHR
ONT
30h 52m
2 stops
ONT
LHR
17h 20m
2 stops
Depart: Mon Feb 27 2017 Return: Mon Mar 13 2017 Trip spans 14 days
British Airways
British Airways
LHR
ONT
21h 53m
2 stops
ONT
LHR
15h 45m
1 stop
Depart: Mon May 8 2017 Return: Sun Jun 11 2017 Trip spans 35 days
British Airways
British Airways
LHR
ONT
16h 13m
1 stop
ONT
LHR
24h 21m
1 stop
Depart: Fri May 5 2017 Return: Wed May 24 2017 Trip spans 20 days
British Airways
British Airways
LHR
ONT
16h 13m
1 stop
ONT
LHR
17h 10m
1 stop
Depart: Tue Aug 1 2017 Return: Mon Sep 4 2017 Trip spans 35 days
$1163
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 14m
1 stop
ONT
LHR
12h 17m
1 stop
Depart: Fri Jun 9 2017 Return: Sat Jun 24 2017 Trip spans 16 days
British Airways
British Airways
LHR
ONT
29h 07m
1 stop
ONT
LHR
18h 36m
1 stop
Depart: Sun Jul 30 2017 Return: Sun Sep 3 2017 Trip spans 36 days
$1097
Select
British Airways
British Airways
LHR
ONT
15h 55m
1 stop
ONT
LHR
19h 15m
1 stop
* 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.

Airports
Origin

London
$644
Destination

Ontario
$644