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

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London Heathrow to Ontario

(Round-trip)
Depart: Thu Sep 10 2015 Return: Sun Sep 20 2015 Trip spans 11 days
US Airways
US Airways
LHR
7:00a
ONT
12:57a
17h 57m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Mon Oct 5 2015 Return: Mon Oct 12 2015 Trip spans 8 days
US Airways
US Airways
LHR
7:00a
ONT
12:57a
17h 57m
2 stops
ONT
2:30a
LHR
7:40p
17h 10m
2 stops
Depart: Sun Oct 11 2015 Return: Sun Oct 18 2015 Trip spans 8 days
US Airways
US Airways
LHR
7:00a
ONT
12:57a
17h 57m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Thu Oct 1 2015 Return: Fri Oct 16 2015 Trip spans 16 days
US Airways
US Airways
LHR
7:00a
ONT
12:57a
17h 57m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Fri Aug 21 2015 Return: Sun Sep 6 2015 Trip spans 17 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
6:00a
LHR
9:00p
15h 00m
2 stops
Depart: Wed Nov 4 2015 Return: Mon Nov 9 2015 Trip spans 6 days
$1018
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
1:30a
ONT
8:09p
18h 39m
2 stops
ONT
1:00a
LHR
4:10a
27h 10m
2 stops
Depart: Tue Aug 18 2015 Return: Tue Sep 29 2015 Trip spans 43 days
$1219
Select
Delta
Delta
LHR
6:35a
ONT
2:42a
20h 07m
2 stops
ONT
6:15a
LHR
10:00p
15h 45m
2 stops
Depart: Wed Aug 19 2015 Return: Tue Sep 29 2015 Trip spans 42 days
$1223
Select
Air France
Air France
LHR
2:55a
ONT
7:52p
16h 57m
2 stops
ONT
6:15a
LHR
1:45a
19h 30m
2 stops
Depart: Thu Aug 20 2015 Return: Tue Sep 29 2015 Trip spans 41 days
$1223
Select
Air France
Air France
LHR
2:55a
ONT
7:52p
16h 57m
2 stops
ONT
6:15a
LHR
1:45a
19h 30m
2 stops
Depart: Thu Sep 17 2015 Return: Sun Oct 4 2015 Trip spans 18 days
$1233
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
ONT
9:30p
19h 00m
2 stops
ONT
6:15a
LHR
4:15a
22h 00m
2 stops
Depart: Mon Aug 17 2015 Return: Tue Sep 29 2015 Trip spans 44 days
$1238
Select
Air France
Air France
LHR
4:10p
ONT
7:52p
27h 42m
2 stops
ONT
6:15a
LHR
1:45a
19h 30m
2 stops
Depart: Sat Aug 22 2015 Return: Mon Sep 28 2015 Trip spans 38 days
$1282
Select
British Airways
British Airways
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
10:23a
LHR
11:15p
12h 52m
1 stop
Depart: Thu Dec 24 2015 Return: Thu Dec 31 2015 Trip spans 8 days
$1333
Select
Air France
Air France
LHR
3:10p
ONT
8:40p
29h 30m
2 stops
ONT
5:20a
LHR
12:45a
19h 25m
2 stops
Depart: Wed Dec 23 2015 Return: Mon Dec 28 2015 Trip spans 6 days
$1451
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
1:30a
ONT
11:46p
22h 16m
2 stops
ONT
6:15p
LHR
6:40p
24h 25m
2 stops
Depart: Mon Dec 21 2015 Return: Mon Dec 28 2015 Trip spans 8 days
$1477
Select
US Airways
US Airways
LHR
8:20a
ONT
2:52a
18h 32m
2 stops
ONT
5:00a
LHR
8:25p
15h 25m
2 stops
Depart: Tue Dec 22 2015 Return: Mon Dec 28 2015 Trip spans 7 days
$1500
Select
British Airways
British Airways
LHR
4:55a
ONT
10:50p
17h 55m
1 stop
ONT
5:42a
LHR
6:25p
12h 43m
1 stop
Depart: Mon Dec 14 2015 Return: Sun Dec 27 2015 Trip spans 14 days
$1514
Select
British Airways
British Airways
LHR
1:30a
ONT
10:50p
21h 20m
2 stops
ONT
1:05a
LHR
6:25p
17h 20m
1 stop
Depart: Tue Jul 21 2015 Return: Mon Aug 10 2015 Trip spans 21 days
$1678
Select
United
United
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Thu Jul 23 2015 Return: Mon Aug 10 2015 Trip spans 19 days
$1678
Select
Lufthansa
Lufthansa
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
7:03a
LHR
9:40p
14h 37m
1 stop
Depart: Mon Jul 20 2015 Return: Mon Aug 10 2015 Trip spans 22 days
$1767
Select
American Airlines
American Airlines
LHR
5:30a
ONT
10:08p
16h 38m
1 stop
ONT
10:15a
LHR
11:15p
13h 00m
1 stop
Airports
Origin

London
$776
Destination

Ontario
$776