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Find Flight Deals 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: Tue Jun 2 2015 Return: Tue Jun 9 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
8:25a
ONT
12:00a
15h 35m
1 stop
ONT
10:15a
LHR
1:15a
15h 00m
1 stop
Depart: Wed Jun 3 2015 Return: Wed Jun 10 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
8:25a
ONT
12:00a
15h 35m
1 stop
ONT
10:15a
LHR
1:15a
15h 00m
1 stop
Depart: Wed Jun 10 2015 Return: Wed Jun 24 2015 Trip spans 15 days
American Airlines
American Airlines
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
6:55a
LHR
11:15p
16h 20m
1 stop
Depart: Thu Jun 11 2015 Return: Wed Jun 24 2015 Trip spans 14 days
American Airlines
American Airlines
LHR
11:15a
ONT
2:58a
15h 43m
1 stop
ONT
6:55a
LHR
11:15p
16h 20m
1 stop
Depart: Mon Jun 15 2015 Return: Wed Jun 24 2015 Trip spans 10 days
American Airlines
American Airlines
LHR
5:30a
ONT
10:08p
16h 38m
1 stop
ONT
10:15a
LHR
1:15a
15h 00m
1 stop
Depart: Tue Jun 16 2015 Return: Wed Jun 24 2015 Trip spans 9 days
American Airlines
American Airlines
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
6:55a
LHR
1:15a
18h 20m
1 stop
Depart: Fri Jun 12 2015 Return: Wed Jun 24 2015 Trip spans 13 days
American Airlines
American Airlines
LHR
8:25a
ONT
2:58a
18h 33m
1 stop
ONT
10:15a
LHR
1:15a
15h 00m
1 stop
Depart: Fri May 29 2015 Return: Tue Jun 30 2015 Trip spans 33 days
KLM Royal Dutch
KLM Royal Dutch
LHR
9:05a
ONT
3:20a
18h 15m
1 stop
ONT
6:15a
LHR
12:15a
18h 00m
2 stops
Depart: Tue Jun 30 2015 Return: Sun Jul 5 2015 Trip spans 6 days
$1062
Select
Aeromexico
Aeromexico
LHR
6:35p
ONT
3:21a
32h 46m
1 stop
ONT
8:35p
LHR
4:05a
31h 30m
2 stops
Depart: Wed Nov 4 2015 Return: Mon Nov 9 2015 Trip spans 6 days
$1066
Select
United
United
LHR
5:25a
ONT
11:00p
17h 35m
2 stops
ONT
12:20p
LHR
1:05a
12h 45m
1 stop
Depart: Thu Jun 4 2015 Return: Tue Jun 9 2015 Trip spans 6 days
$1070
Select
Air France
Air France
LHR
2:40a
ONT
7:52p
17h 12m
2 stops
ONT
6:15a
LHR
10:40p
16h 25m
2 stops
Depart: Thu May 28 2015 Return: Mon Jul 27 2015 Trip spans 61 days
$1083
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
ONT
8:00p
17h 30m
2 stops
ONT
6:15a
LHR
10:40p
16h 25m
2 stops
Depart: Fri Jun 5 2015 Return: Tue Jun 9 2015 Trip spans 5 days
$1101
Select
Air France
Air France
LHR
2:55a
ONT
7:52p
16h 57m
2 stops
ONT
6:15a
LHR
10:40p
16h 25m
2 stops
Depart: Mon Jun 1 2015 Return: Tue Jun 30 2015 Trip spans 30 days
$1115
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
ONT
8:00p
17h 30m
2 stops
ONT
6:15a
LHR
12:15a
18h 00m
2 stops
Depart: Sat May 30 2015 Return: Mon Jun 1 2015 Trip spans 3 days
$1132
Select
Air France
Air France
LHR
2:40a
ONT
7:59p
17h 19m
2 stops
ONT
6:05a
LHR
11:05p
17h 00m
2 stops
Depart: Mon Nov 16 2015 Return: Mon Jan 4 2016 Trip spans 50 days
$1146
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
1:30a
ONT
7:20p
17h 50m
2 stops
ONT
6:15p
LHR
7:45p
25h 30m
2 stops
Depart: Tue Nov 17 2015 Return: Mon Jan 4 2016 Trip spans 49 days
$1146
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
1:30a
ONT
7:20p
17h 50m
2 stops
ONT
6:15p
LHR
7:45p
25h 30m
2 stops
Depart: Sat Nov 14 2015 Return: Wed Dec 30 2015 Trip spans 47 days
$1188
Select
British Airways
British Airways
LHR
7:05a
ONT
10:50p
15h 45m
1 stop
ONT
9:15a
LHR
10:30p
13h 15m
1 stop
Depart: Wed Jul 29 2015 Return: Wed Aug 5 2015 Trip spans 8 days
$1742
Select
US Airways
US Airways
LHR
10:25a
ONT
3:57a
17h 32m
2 stops
ONT
2:25a
LHR
7:40p
17h 15m
2 stops
Depart: Thu Jul 23 2015 Return: Mon Aug 10 2015 Trip spans 19 days
$1775
Select
Delta
Delta
LHR
10:25a
ONT
2:41a
16h 16m
2 stops
ONT
2:15a
LHR
6:25p
16h 10m
2 stops
Airports
Origin

London
$738
Destination

Ontario
$738