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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: Thu Feb 26 2015 Return: Thu Mar 12 2015 Trip spans 14 days
US Airways
US Airways
LHR
6:40a
ONT
2:56a
20h 16m
2 stops
ONT
2:30a
LHR
10:25p
19h 55m
2 stops
Depart: Sat Feb 28 2015 Return: Thu Mar 12 2015 Trip spans 12 days
US Airways
US Airways
LHR
6:40a
ONT
12:11a
17h 31m
2 stops
ONT
2:30a
LHR
10:25p
19h 55m
2 stops
Depart: Fri Feb 27 2015 Return: Sun Mar 15 2015 Trip spans 16 days
US Airways
US Airways
LHR
6:40a
ONT
12:11a
17h 31m
2 stops
ONT
6:00a
LHR
11:30p
17h 30m
2 stops
Depart: Thu Feb 5 2015 Return: Tue Feb 10 2015 Trip spans 6 days
American Airlines
American Airlines
LHR
6:15a
ONT
2:21a
20h 06m
1 stop
ONT
7:30a
LHR
12:05a
16h 35m
1 stop
Depart: Thu Feb 12 2015 Return: Tue Feb 17 2015 Trip spans 6 days
American Airlines
American Airlines
LHR
8:30a
ONT
2:16a
17h 46m
1 stop
ONT
7:30a
LHR
8:15p
12h 45m
1 stop
Depart: Wed Feb 18 2015 Return: Wed Feb 25 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
6:15a
ONT
9:53p
15h 38m
1 stop
ONT
9:55a
LHR
10:30p
12h 35m
1 stop
Depart: Tue Feb 24 2015 Return: Tue Mar 3 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
6:15a
ONT
9:53p
15h 38m
1 stop
ONT
7:30a
LHR
8:15p
12h 45m
1 stop
Depart: Wed Feb 25 2015 Return: Wed Mar 4 2015 Trip spans 8 days
American Airlines
American Airlines
LHR
6:15a
ONT
9:53p
15h 38m
1 stop
ONT
7:30a
LHR
12:05a
16h 35m
1 stop
Depart: Tue Mar 17 2015 Return: Tue Mar 31 2015 Trip spans 15 days
American Airlines
American Airlines
LHR
7:15a
ONT
2:16a
19h 01m
1 stop
ONT
8:35a
LHR
1:25a
16h 50m
1 stop
Depart: Tue Mar 24 2015 Return: Tue Apr 7 2015 Trip spans 15 days
American Airlines
American Airlines
LHR
7:15a
ONT
2:16a
19h 01m
1 stop
ONT
10:20a
LHR
1:15a
14h 55m
1 stop
Depart: Fri Feb 13 2015 Return: Wed Feb 18 2015 Trip spans 6 days
American Airlines
American Airlines
LHR
9:50a
ONT
2:16a
16h 26m
1 stop
ONT
2:15a
LHR
6:25p
16h 10m
1 stop
Depart: Sun Mar 15 2015 Return: Tue Mar 31 2015 Trip spans 17 days
Delta
Delta
LHR
8:00a
ONT
1:34a
17h 34m
2 stops
ONT
6:30a
LHR
1:00a
18h 30m
1 stop
Depart: Fri Feb 6 2015 Return: Fri Mar 6 2015 Trip spans 29 days
United
United
LHR
6:40a
ONT
10:11p
15h 31m
1 stop
ONT
2:00a
LHR
5:55p
15h 55m
1 stop
Depart: Tue Apr 7 2015 Return: Mon Apr 27 2015 Trip spans 21 days
$1124
Select
United
United
LHR
7:40a
ONT
11:07p
15h 27m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Wed Apr 8 2015 Return: Mon Apr 27 2015 Trip spans 20 days
$1124
Select
United
United
LHR
7:40a
ONT
11:07p
15h 27m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Thu Apr 9 2015 Return: Mon Apr 27 2015 Trip spans 19 days
$1124
Select
United
United
LHR
5:30a
ONT
11:07p
17h 37m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Mon Apr 6 2015 Return: Mon Apr 27 2015 Trip spans 22 days
$1154
Select
United
United
LHR
7:40a
ONT
11:36p
15h 56m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Fri Apr 10 2015 Return: Mon Apr 27 2015 Trip spans 18 days
$1154
Select
United
United
LHR
7:40a
ONT
11:07p
15h 27m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Thu Mar 26 2015 Return: Sun Apr 12 2015 Trip spans 18 days
$1216
Select
American Airlines
American Airlines
LHR
10:50a
ONT
2:16a
15h 26m
1 stop
ONT
6:55a
LHR
11:15p
16h 20m
1 stop
Depart: Sun Jun 7 2015 Return: Sun Jun 14 2015 Trip spans 8 days
$1249
Select
American Airlines
American Airlines
LHR
8:25a
ONT
3:08a
18h 43m
1 stop
ONT
3:40a
LHR
6:50p
15h 10m
1 stop
Change your search
Airports
Origin

London
$654
Destination

Ontario
$654