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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: Sun Aug 30 2015 Return: Fri Sep 11 2015 Trip spans 13 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Mon Aug 31 2015 Return: Fri Sep 11 2015 Trip spans 12 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Sun Sep 20 2015 Return: Wed Sep 30 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: Thu Aug 27 2015 Return: Sun Sep 13 2015 Trip spans 18 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
8:35a
LHR
11:25p
14h 50m
2 stops
Depart: Sat Aug 29 2015 Return: Mon Sep 7 2015 Trip spans 10 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
5:45p
LHR
10:10a
16h 25m
2 stops
Depart: Tue Sep 1 2015 Return: Sun Sep 6 2015 Trip spans 6 days
$1260
Select
British Airways
British Airways
LHR
5:30a
ONT
11:49p
18h 19m
1 stop
ONT
5:13a
LHR
9:15p
16h 02m
1 stop
Depart: Wed Aug 19 2015 Return: Mon Aug 31 2015 Trip spans 13 days
$1300
Select
United
United
LHR
9:40a
ONT
2:32a
16h 52m
1 stop
ONT
6:24a
LHR
7:10p
12h 46m
1 stop
Depart: Sun Aug 23 2015 Return: Mon Aug 31 2015 Trip spans 9 days
$1329
Select
United
United
LHR
6:25a
ONT
8:32p
14h 07m
1 stop
ONT
6:24a
LHR
7:10p
12h 46m
1 stop
Depart: Tue Jul 7 2015 Return: Thu Sep 3 2015 Trip spans 59 days
$1430
Select
Lufthansa
Lufthansa
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
7:33a
LHR
9:40p
14h 07m
1 stop
Depart: Tue Jul 21 2015 Return: Mon Jul 27 2015 Trip spans 7 days
$1432
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 Jul 27 2015 Trip spans 5 days
$1432
Select
United
United
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Wed Jul 8 2015 Return: Wed Jul 15 2015 Trip spans 8 days
$1435
Select
United
United
LHR
6:25a
ONT
8:38p
14h 13m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Mon Aug 10 2015 Return: Mon Aug 17 2015 Trip spans 8 days
$1435
Select
United
United
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Wed Aug 12 2015 Return: Wed Aug 19 2015 Trip spans 8 days
$1435
Select
United
United
LHR
10:10a
ONT
12:30a
14h 20m
1 stop
ONT
6:24a
LHR
7:10p
12h 46m
1 stop
Depart: Wed Aug 5 2015 Return: Mon Aug 10 2015 Trip spans 6 days
$1436
Select
United
United
LHR
3:50a
ONT
8:38p
16h 48m
2 stops
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Sun Jul 12 2015 Return: Sun Aug 16 2015 Trip spans 36 days
$1464
Select
United
United
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
7:59p
LHR
6:55p
22h 56m
1 stop
Depart: Wed Jul 22 2015 Return: Mon Jul 27 2015 Trip spans 6 days
$1464
Select
United
United
LHR
6:25a
ONT
8:38p
14h 13m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Depart: Tue Jul 28 2015 Return: Mon Sep 14 2015 Trip spans 49 days
$1467
Select
United
United
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
ONT
6:24a
LHR
7:10p
12h 46m
1 stop
Depart: Sat Jul 25 2015 Return: Tue Sep 15 2015 Trip spans 53 days
$1622
Select
Delta
Delta
LHR
5:05a
ONT
2:50a
21h 45m
2 stops
ONT
6:45a
LHR
12:15a
17h 30m
2 stops
Depart: Thu Aug 6 2015 Return: Tue Sep 15 2015 Trip spans 41 days
$1808
Select
American Airlines
American Airlines
LHR
8:25a
ONT
3:14a
18h 49m
1 stop
ONT
6:57a
LHR
11:15p
16h 18m
1 stop
Airports
Origin

London
$781
Destination

Ontario
$781