Find Cheap 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 Dec 11 2017 Return: Sun Dec 24 2017 Trip spans 14 days
British Airways
British Airways
LHR
ONT
35h 20m
1 stop
ONT
LHR
35h 20m
1 stop
Depart: Fri Nov 3 2017 Return: Fri Nov 17 2017 Trip spans 15 days
British Airways
British Airways
LHR
ONT
27h 32m
1 stop
ONT
LHR
16h 51m
1 stop
Depart: Sun Dec 24 2017 Return: Wed Jan 3 2018 Trip spans 11 days
British Airways
British Airways
LHR
ONT
36h 45m
2 stops
ONT
LHR
20h 28m
2 stops
Depart: Wed Jun 28 2017 Return: Mon Jul 3 2017 Trip spans 6 days
$1598
Select
KLM
KLM
LHR
ONT
17h 50m
2 stops
ONT
LHR
15h 30m
2 stops
Depart: Tue Sep 5 2017 Return: Wed Sep 13 2017 Trip spans 9 days
British Airways
British Airways
LHR
ONT
29h 13m
1 stop
ONT
LHR
15h 01m
1 stop
Depart: Sat Jul 29 2017 Return: Sat Aug 12 2017 Trip spans 15 days
$1686
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
14h 53m
1 stop
ONT
LHR
16h 37m
1 stop
Depart: Sat Oct 28 2017 Return: Sat Nov 4 2017 Trip spans 8 days
British Airways
British Airways
LHR
ONT
21h 53m
1 stop
ONT
LHR
15h 55m
1 stop
Depart: Wed Aug 30 2017 Return: Wed Sep 13 2017 Trip spans 15 days
$1068
Select
British Airways
British Airways
LHR
ONT
29h 13m
1 stop
ONT
LHR
15h 01m
1 stop
Depart: Thu Jun 29 2017 Return: Thu Jul 13 2017 Trip spans 15 days
$1617
Select
KLM
KLM
LHR
ONT
19h 13m
2 stops
ONT
LHR
23h 15m
2 stops
Depart: Thu Aug 3 2017 Return: Fri Aug 18 2017 Trip spans 16 days
$1699
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 41m
1 stop
ONT
LHR
18h 55m
1 stop
Depart: Sun Jul 23 2017 Return: Wed Sep 6 2017 Trip spans 46 days
$1111
Select
British Airways
British Airways
LHR
ONT
40h 11m
2 stops
ONT
LHR
24h 00m
1 stop
Depart: Wed Aug 2 2017 Return: Tue Sep 12 2017 Trip spans 42 days
$1128
Select
British Airways
British Airways
LHR
ONT
21h 51m
1 stop
ONT
LHR
15h 01m
1 stop
Depart: Sat Jul 29 2017 Return: Tue Sep 12 2017 Trip spans 46 days
$1280
Select
British Airways
British Airways
LHR
ONT
16h 30m
1 stop
ONT
LHR
15h 01m
1 stop
Depart: Wed Jul 26 2017 Return: Sat Aug 12 2017 Trip spans 18 days
$1666
Select
British Airways
British Airways
LHR
ONT
21h 51m
1 stop
ONT
LHR
14h 59m
1 stop
Depart: Fri Jun 23 2017 Return: Sun Jun 25 2017 Trip spans 3 days
$1874
Select
British Airways
British Airways
LHR
ONT
26h 44m
1 stop
ONT
LHR
16h 41m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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.

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Airports
Origin

London
$627
Destination

Ontario
$627