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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: Mon Apr 27 2015 Return: Tue May 26 2015 Trip spans 30 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:30a
LHR
9:00p
18h 30m
2 stops
Depart: Tue May 5 2015 Return: Tue May 12 2015 Trip spans 8 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:30a
LHR
9:00p
18h 30m
2 stops
Depart: Wed May 6 2015 Return: Wed May 13 2015 Trip spans 8 days
US Airways
US Airways
LHR
7:00a
ONT
1:06a
18h 06m
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
7:00a
ONT
1:06a
18h 06m
2 stops
ONT
2:30a
LHR
9:00p
18h 30m
2 stops
Depart: Tue Jun 9 2015 Return: Mon Jun 22 2015 Trip spans 14 days
US Airways
US Airways
LHR
7:00a
ONT
12:55a
17h 55m
2 stops
ONT
2:25a
LHR
7:40p
17h 15m
2 stops
Depart: Fri Sep 4 2015 Return: Sat Sep 19 2015 Trip spans 16 days
$1130
Select
Aeromexico
Aeromexico
LHR
6:35p
ONT
3:25a
32h 50m
1 stop
ONT
9:05p
LHR
4:05a
31h 00m
1 stop
Depart: Fri Sep 11 2015 Return: Sat Sep 19 2015 Trip spans 9 days
$1130
Select
Aeromexico
Aeromexico
LHR
6:35p
ONT
3:25a
32h 50m
1 stop
ONT
9:05p
LHR
4:05a
31h 00m
1 stop
Depart: Thu Apr 2 2015 Return: Tue Apr 7 2015 Trip spans 6 days
$1237
Select
United
United
LHR
7:40a
ONT
11:36p
15h 56m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Wed Apr 22 2015 Return: Thu Apr 30 2015 Trip spans 9 days
$1237
Select
United
United
LHR
10:10a
ONT
12:09a
13h 59m
1 stop
ONT
5:35a
LHR
7:10p
13h 35m
1 stop
Depart: Thu Apr 23 2015 Return: Thu Apr 30 2015 Trip spans 8 days
$1237
Select
United
United
LHR
10:10a
ONT
12:09a
13h 59m
1 stop
ONT
5:35a
LHR
7:10p
13h 35m
1 stop
Depart: Tue Apr 28 2015 Return: Mon May 4 2015 Trip spans 7 days
$1237
Select
United
United
LHR
7:40a
ONT
11:07p
15h 27m
1 stop
ONT
5:35a
LHR
7:10p
13h 35m
1 stop
Depart: Wed Apr 29 2015 Return: Mon May 11 2015 Trip spans 13 days
$1237
Select
United
United
LHR
10:10a
ONT
12:09a
13h 59m
1 stop
ONT
12:40p
LHR
2:05a
13h 25m
1 stop
Depart: Thu Apr 30 2015 Return: Mon May 11 2015 Trip spans 12 days
$1237
Select
United
United
LHR
10:10a
ONT
12:09a
13h 59m
1 stop
ONT
12:40p
LHR
2:05a
13h 25m
1 stop
Depart: Wed May 27 2015 Return: Tue Jun 16 2015 Trip spans 21 days
$1237
Select
United
United
LHR
6:25a
ONT
8:10p
13h 45m
1 stop
ONT
6:41a
LHR
7:10p
12h 29m
1 stop
Depart: Thu May 28 2015 Return: Tue Jun 16 2015 Trip spans 20 days
$1237
Select
United
United
LHR
6:25a
ONT
8:10p
13h 45m
1 stop
ONT
6:41a
LHR
7:10p
12h 29m
1 stop
Depart: Mon Jun 1 2015 Return: Tue Jun 16 2015 Trip spans 16 days
$1237
Select
United
United
LHR
6:25a
ONT
8:10p
13h 45m
1 stop
ONT
6:41a
LHR
7:10p
12h 29m
1 stop
Depart: Tue Jun 2 2015 Return: Tue Jun 16 2015 Trip spans 15 days
$1237
Select
United
United
LHR
6:25a
ONT
8:10p
13h 45m
1 stop
ONT
6:41a
LHR
7:10p
12h 29m
1 stop
Depart: Wed Apr 1 2015 Return: Wed Apr 8 2015 Trip spans 8 days
$1332
Select
Air France
Air France
LHR
2:40a
ONT
8:00p
17h 20m
2 stops
ONT
6:05a
LHR
1:45a
19h 40m
2 stops
Depart: Thu Jun 25 2015 Return: Wed Jul 1 2015 Trip spans 7 days
$1703
Select
British Airways
British Airways
LHR
2:20a
ONT
11:49p
21h 29m
2 stops
ONT
6:55a
LHR
11:15p
16h 20m
1 stop
Depart: Tue Jun 23 2015 Return: Mon Jun 29 2015 Trip spans 7 days
$1705
Select
KLM Royal Dutch
KLM Royal Dutch
LHR
2:30a
ONT
7:52p
17h 22m
2 stops
ONT
6:15a
LHR
12:15a
18h 00m
2 stops
Airports
Origin

London
$745
Destination

Ontario
$745