Browse Origins:
Browse Destinations:

Find Flight Deals from London to Ontario (LON - ONT)

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from London to Ontario

(Round-trip)
Depart: Sat May 23 2015 Return: Fri May 29 2015 Trip spans 7 days
$1061
Select
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: Sat Apr 25 2015 Return: Wed Apr 29 2015 Trip spans 5 days
$1390
Select
United
United
LHR
7:40a
ONT
11:07p
15h 27m
1 stop
ONT
6:55a
LHR
9:40p
14h 45m
1 stop
Depart: Tue Jun 23 2015 Return: Tue Aug 4 2015 Trip spans 43 days
$1618
Select
American Airlines
American Airlines
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
10:15a
LHR
1:15a
15h 00m
1 stop
Depart: Sun Jul 19 2015 Return: Sun Aug 2 2015 Trip spans 15 days
$1696
Select
American Airlines
American Airlines
LHR
11:15a
ONT
3:14a
15h 59m
1 stop
ONT
8:35a
LHR
1:25a
16h 50m
1 stop
Depart: Fri Jul 17 2015 Return: Fri Jul 31 2015 Trip spans 15 days
$1698
Select
American Airlines
American Airlines
LHR
5:30a
ONT
11:49p
18h 19m
1 stop
ONT
10:15a
LHR
11:15p
13h 00m
1 stop
Depart: Sat Jul 18 2015 Return: Sat Aug 1 2015 Trip spans 15 days
$1698
Select
American Airlines
American Airlines
LHR
5:30a
ONT
11:49p
18h 19m
1 stop
ONT
6:55a
LHR
9:15p
14h 20m
1 stop
Depart: Wed Jul 15 2015 Return: Wed Jul 29 2015 Trip spans 15 days
$1721
Select
British Airways
British Airways
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
6:55a
LHR
9:15p
14h 20m
1 stop
Depart: Thu Jul 16 2015 Return: Wed Jul 29 2015 Trip spans 14 days
$1721
Select
British Airways
British Airways
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
ONT
6:55a
LHR
9:15p
14h 20m
1 stop
Depart: Mon Jul 20 2015 Return: Wed Jul 29 2015 Trip spans 10 days
$1721
Select
British Airways
British Airways
LHR
7:50a
ONT
11:49p
15h 59m
1 stop
ONT
6:55a
LHR
1:15a
18h 20m
1 stop
Depart: Tue Jul 21 2015 Return: Wed Jul 29 2015 Trip spans 9 days
$1729
Select
United
United
LHR
6:25a
ONT
8:38p
14h 13m
1 stop
ONT
6:34a
LHR
7:10p
12h 36m
1 stop
Airports
Origin

London
$1061
Destination

Ontario
$1061