Browse Origins:
Browse Destinations:

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

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

Book cheap flights from Ontario to London

(Round-trip)
Depart: Wed May 13 2015 Return: Wed Jun 10 2015 Trip spans 29 days
$1090
Select
Air Canada
Air Canada
ONT
3:17p
LHR
11:40p
32h 23m
2 stops
LHR
10:10a
ONT
2:11p
28h 01m
2 stops
Depart: Wed Sep 9 2015 Return: Wed Oct 7 2015 Trip spans 29 days
$1090
Select
Air Canada
Air Canada
ONT
1:20a
LHR
11:50p
22h 30m
2 stops
LHR
6:05a
ONT
10:33p
16h 28m
2 stops
Depart: Sat Aug 29 2015 Return: Sat Sep 12 2015 Trip spans 15 days
$1092
Select
United
United
ONT
11:10a
LHR
7:10p
32h 00m
1 stop
LHR
6:25a
ONT
8:48p
14h 23m
1 stop
Depart: Tue Sep 22 2015 Return: Wed Sep 30 2015 Trip spans 9 days
$1094
Select
Air Canada
Air Canada
ONT
3:05p
LHR
9:00a
17h 55m
2 stops
LHR
6:05a
ONT
10:33p
16h 28m
2 stops
Depart: Wed Aug 26 2015 Return: Wed Oct 7 2015 Trip spans 43 days
$1108
Select
Lufthansa
Lufthansa
ONT
7:35a
LHR
9:40p
14h 05m
1 stop
LHR
9:40a
ONT
2:45a
17h 05m
1 stop
Depart: Wed Sep 2 2015 Return: Wed Oct 7 2015 Trip spans 36 days
$1108
Select
Lufthansa
Lufthansa
ONT
7:35a
LHR
12:05a
16h 30m
1 stop
LHR
9:40a
ONT
2:45a
17h 05m
1 stop
Depart: Wed Oct 21 2015 Return: Thu Oct 29 2015 Trip spans 9 days
$1117
Select
Aeromexico
Aeromexico
ONT
9:05p
LHR
4:05a
31h 00m
1 stop
LHR
6:30p
ONT
3:17a
32h 47m
2 stops
Depart: Wed Oct 28 2015 Return: Tue Nov 3 2015 Trip spans 7 days
$1117
Select
Aeromexico
Aeromexico
ONT
10:05p
LHR
4:55a
30h 50m
1 stop
LHR
5:30p
ONT
2:25a
32h 55m
1 stop
Depart: Thu May 14 2015 Return: Wed Jun 10 2015 Trip spans 28 days
$1119
Select
Lufthansa
Lufthansa
ONT
8:08a
LHR
9:40p
13h 32m
1 stop
LHR
9:40a
ONT
2:25a
16h 45m
1 stop
Depart: Thu Sep 3 2015 Return: Tue Oct 6 2015 Trip spans 34 days
$1119
Select
Lufthansa
Lufthansa
ONT
7:35a
LHR
9:40p
14h 05m
1 stop
LHR
9:40a
ONT
2:45a
17h 05m
1 stop
Depart: Sun Oct 25 2015 Return: Sun Nov 1 2015 Trip spans 8 days
$1133
Select
Aeromexico
Aeromexico
ONT
9:00p
LHR
4:55a
31h 55m
2 stops
LHR
5:30p
ONT
2:25a
32h 55m
1 stop
Depart: Fri Oct 30 2015 Return: Fri Nov 6 2015 Trip spans 8 days
$1149
Select
Aeromexico
Aeromexico
ONT
9:00p
LHR
3:55a
31h 55m
2 stops
LHR
5:30p
ONT
2:25a
32h 55m
1 stop
Depart: Sat May 2 2015 Return: Mon May 4 2015 Trip spans 3 days
$1155
Select
KLM Royal Dutch
KLM Royal Dutch
ONT
2:00a
LHR
1:00a
23h 00m
1 stop
LHR
2:30a
ONT
8:00p
17h 30m
2 stops
Depart: Tue May 12 2015 Return: Wed Jun 10 2015 Trip spans 30 days
$1168
Select
Air Canada
Air Canada
ONT
3:17p
LHR
9:00a
17h 43m
2 stops
LHR
6:05a
ONT
11:31p
17h 26m
2 stops
Depart: Tue Sep 8 2015 Return: Tue Oct 6 2015 Trip spans 29 days
$1168
Select
Air Canada
Air Canada
ONT
1:20a
LHR
6:25p
17h 05m
2 stops
LHR
6:05a
ONT
10:33p
16h 28m
2 stops
Depart: Fri May 1 2015 Return: Sat May 2 2015 Trip spans 2 days
$1207
Select
Air France
Air France
ONT
6:05a
LHR
11:05p
17h 00m
2 stops
LHR
4:10p
ONT
8:00p
27h 50m
2 stops
Depart: Sun May 3 2015 Return: Wed Jul 1 2015 Trip spans 60 days
$1219
Select
American Airlines
American Airlines
ONT
10:20a
LHR
1:15a
14h 55m
1 stop
LHR
8:25a
ONT
11:49p
15h 24m
1 stop
Depart: Sun Sep 6 2015 Return: Mon Sep 14 2015 Trip spans 9 days
$1219
Select
British Airways
British Airways
ONT
2:05a
LHR
6:55p
16h 50m
1 stop
LHR
7:50a
ONT
11:50p
16h 00m
1 stop
Depart: Tue Apr 28 2015 Return: Thu May 7 2015 Trip spans 10 days
$1219
Select
Air France
Air France
ONT
2:00a
LHR
1:00a
23h 00m
1 stop
LHR
9:05a
ONT
3:20a
18h 15m
1 stop
Depart: Fri May 15 2015 Return: Wed Jul 8 2015 Trip spans 55 days
$1249
Select
Delta
Delta
ONT
2:15a
LHR
6:40p
16h 25m
2 stops
LHR
6:35a
ONT
2:41a
20h 06m
2 stops
Airports
Origin

Ontario
$1090
Destination

London
$1090