Find Cheap Flights from London to Ontario (LON - ONT)

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from London to Ontario

(Round-trip)
Depart: Tue Nov 7 2017 Return: Tue Nov 14 2017 Trip spans 8 days
British Airways
British Airways
LHR
ONT
16h 48m
1 stop
ONT
LHR
14h 55m
1 stop
Depart: Tue Dec 26 2017 Return: Mon Jan 8 2018 Trip spans 14 days
American Airlines
American Airlines
LHR
ONT
15h 15m
1 stop
ONT
LHR
12h 43m
1 stop
Depart: Wed Nov 1 2017 Return: Tue Nov 14 2017 Trip spans 14 days
British Airways
British Airways
LHR
ONT
20h 30m
2 stops
ONT
LHR
14h 55m
1 stop
Depart: Tue Oct 31 2017 Return: Tue Nov 14 2017 Trip spans 15 days
British Airways
British Airways
LHR
ONT
19h 43m
1 stop
ONT
LHR
14h 55m
1 stop
Depart: Tue Jul 25 2017 Return: Mon Jul 31 2017 Trip spans 7 days
$1595
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 41m
1 stop
ONT
LHR
19h 00m
1 stop
Depart: Mon Dec 11 2017 Return: Sat Dec 23 2017 Trip spans 13 days
British Airways
British Airways
LHR
ONT
15h 45m
1 stop
ONT
LHR
17h 25m
1 stop
Depart: Wed Jun 28 2017 Return: Tue Jul 4 2017 Trip spans 7 days
$1609
Select
KLM
KLM
LHR
ONT
17h 50m
2 stops
ONT
LHR
16h 25m
2 stops
Depart: Fri Dec 1 2017 Return: Mon Dec 11 2017 Trip spans 11 days
British Airways
British Airways
LGW
ONT
31h 35m
2 stops
ONT
LGW
45h 20m
2 stops
Depart: Wed Nov 15 2017 Return: Sun Dec 3 2017 Trip spans 19 days
British Airways
British Airways
LGW
ONT
41h 00m
2 stops
ONT
LGW
29h 01m
2 stops
Depart: Fri Sep 1 2017 Return: Mon Sep 11 2017 Trip spans 11 days
British Airways
British Airways
LGW
ONT
33h 57m
2 stops
ONT
LGW
28h 55m
2 stops
Depart: Tue Jul 11 2017 Return: Tue Jul 18 2017 Trip spans 8 days
$1206
Select
American Airlines
American Airlines
LGW
ONT
19h 46m
2 stops
ONT
LGW
17h 45m
2 stops
Depart: Thu Aug 3 2017 Return: Fri Aug 18 2017 Trip spans 16 days
$1711
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 41m
1 stop
ONT
LHR
18h 55m
1 stop
Depart: Tue Aug 15 2017 Return: Tue Sep 19 2017 Trip spans 36 days
$1075
Select
British Airways
British Airways
LHR
ONT
16h 30m
1 stop
ONT
LHR
15h 01m
1 stop
Depart: Mon Aug 21 2017 Return: Sun Sep 3 2017 Trip spans 14 days
$1126
Select
British Airways
British Airways
LHR
ONT
36h 40m
1 stop
ONT
LHR
32h 41m
1 stop
Depart: Tue Jul 11 2017 Return: Wed Jul 19 2017 Trip spans 9 days
$1286
Select
British Airways
British Airways
LHR
ONT
18h 16m
1 stop
ONT
LHR
16h 45m
1 stop
Depart: Fri Jul 14 2017 Return: Fri Jul 28 2017 Trip spans 15 days
$1555
Select
British Airways
British Airways
LHR
ONT
16h 30m
1 stop
ONT
LHR
14h 59m
1 stop
Depart: Wed Jul 5 2017 Return: Fri Jul 21 2017 Trip spans 17 days
$1731
Select
British Airways
British Airways
LHR
ONT
15h 51m
1 stop
ONT
LHR
20h 15m
1 stop
Depart: Mon Jul 10 2017 Return: Mon Jul 24 2017 Trip spans 15 days
$1788
Select
British Airways
British Airways
LHR
ONT
26h 44m
1 stop
ONT
LHR
20h 15m
1 stop
Depart: Fri Jun 30 2017 Return: Wed Jul 5 2017 Trip spans 6 days
$1842
Select
British Airways
British Airways
LHR
ONT
20h 25m
1 stop
ONT
LHR
15h 39m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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Airports
Origin

London
only $526
only $673
Destination

Ontario
$526