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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: Sun May 17 2015 Return: Sun Jun 7 2015 Trip spans 22 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Mon May 18 2015 Return: Sun May 24 2015 Trip spans 7 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:30a
LHR
11:25p
20h 55m
2 stops
Depart: Tue May 19 2015 Return: Sun Jun 7 2015 Trip spans 20 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:25a
LHR
7:40p
17h 15m
2 stops
Depart: Wed May 20 2015 Return: Sun Jun 7 2015 Trip spans 19 days
US Airways
US Airways
LHR
10:25a
ONT
3:53a
17h 28m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Thu May 21 2015 Return: Sun Jun 7 2015 Trip spans 18 days
US Airways
US Airways
LHR
10:25a
ONT
3:53a
17h 28m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Fri May 22 2015 Return: Sun Jun 7 2015 Trip spans 17 days
US Airways
US Airways
LHR
10:25a
ONT
4:05a
17h 40m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Sun May 24 2015 Return: Sat Jun 20 2015 Trip spans 28 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Mon May 25 2015 Return: Sat Jun 20 2015 Trip spans 27 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Wed May 27 2015 Return: Sat Jun 20 2015 Trip spans 25 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:25a
LHR
11:25p
21h 00m
2 stops
Depart: Sat May 2 2015 Return: Thu May 7 2015 Trip spans 6 days
US Airways
US Airways
LHR
4:20a
ONT
1:06a
20h 46m
2 stops
ONT
2:30a
LHR
9:00p
18h 30m
2 stops
Depart: Tue May 12 2015 Return: Tue May 19 2015 Trip spans 8 days
US Airways
US Airways
LHR
4:20a
ONT
1:06a
20h 46m
2 stops
ONT
2:30a
LHR
9:00p
18h 30m
2 stops
Depart: Tue Sep 1 2015 Return: Sun Sep 6 2015 Trip spans 6 days
US Airways
US Airways
LHR
7:00a
ONT
1:05a
18h 05m
2 stops
ONT
6:00a
LHR
9:00p
15h 00m
2 stops
Depart: Thu Oct 1 2015 Return: Thu Oct 22 2015 Trip spans 22 days
US Airways
US Airways
LHR
10:25a
ONT
3:52a
17h 27m
2 stops
ONT
6:00a
LHR
9:00p
15h 00m
2 stops
Depart: Sun May 10 2015 Return: Sun May 24 2015 Trip spans 15 days
US Airways
US Airways
LHR
4:20a
ONT
1:06a
20h 46m
2 stops
ONT
2:30a
LHR
7:40p
17h 10m
2 stops
Depart: Sat May 16 2015 Return: Sun May 24 2015 Trip spans 9 days
$1038
Select
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:30a
LHR
7:40p
17h 10m
2 stops
Depart: Fri May 29 2015 Return: Wed Jun 3 2015 Trip spans 6 days
$1082
Select
Aeromexico
Aeromexico
LHR
6:35p
ONT
3:18a
32h 43m
1 stop
ONT
9:00p
LHR
4:05a
31h 05m
1 stop
Depart: Thu Apr 23 2015 Return: Mon Apr 27 2015 Trip spans 5 days
$1277
Select
United
United
LHR
10:10a
ONT
12:09a
13h 59m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Tue Sep 29 2015 Return: Wed Oct 21 2015 Trip spans 23 days
$1290
Select
Lufthansa
Lufthansa
LHR
9:40a
ONT
2:45a
17h 05m
1 stop
ONT
7:35a
LHR
9:40p
14h 05m
1 stop
Depart: Tue Jun 30 2015 Return: Sun Jul 12 2015 Trip spans 13 days
$1611
Select
American Airlines
American Airlines
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
8:35a
LHR
1:25a
16h 50m
1 stop
Depart: Mon Jun 29 2015 Return: Mon Jul 13 2015 Trip spans 15 days
$1697
Select
British Airways
British Airways
LHR
5:30a
ONT
10:08p
16h 38m
1 stop
ONT
2:00a
LHR
6:55p
16h 55m
1 stop
Airports
Origin

London
$733
Destination

Ontario
$733