Find Deals on Flights from United Kingdom to Ontario

Depart
Return
1 adult
Adults
18+
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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Flexible dates? Here are the best fares found in the past 48 hours...

Book cheap flights to Ontario

(Round-trip)
Depart: Mon 11 Jan 2016 Return: Fri 22 Jan 2016 Trip spans 12 days
£365
Select
British Airways
British Airways
LHR
09:25
ONT
19:35
34h 10m
1 stop
ONT
09:15
LHR
00:05
14h 50m
1 stop
Depart: Mon 5 Oct 2015 Return: Mon 2 Nov 2015 Trip spans 29 days
£426
Select
American Airlines
American Airlines
LHR
08:25
ONT
03:04
18h 39m
1 stop
ONT
05:05
LHR
23:40
18h 35m
1 stop
Depart: Tue 25 Aug 2015 Return: Sun 30 Aug 2015 Trip spans 6 days
£454
Select
British Airways
British Airways
LCY
14:40
ONT
23:49
33h 09m
2 stops
ONT
05:13
LCY
19:35
38h 22m
2 stops
Depart: Thu 24 Dec 2015 Return: Wed 30 Dec 2015 Trip spans 7 days
£628
Select
Aeromexico
Aeromexico
LHR
17:30
ONT
02:17
32h 47m
2 stops
ONT
20:05
LHR
01:55
29h 50m
1 stop
Depart: Mon 9 Nov 2015 Return: Mon 16 Nov 2015 Trip spans 8 days
£641
Select
United
United
LHR
08:35
ONT
23:27
14h 52m
1 stop
ONT
06:30
LHR
20:40
14h 10m
1 stop
Depart: Mon 30 Nov 2015 Return: Mon 7 Dec 2015 Trip spans 8 days
£717
Select
Delta
Delta
LGW
06:20
ONT
01:26
19h 06m
2 stops
ONT
05:20
LGW
21:35
16h 15m
2 stops
Depart: Tue 22 Dec 2015 Return: Sun 3 Jan 2016 Trip spans 13 days
£769
Select
KLM
KLM
MAN
12:20
ONT
23:46
35h 26m
2 stops
ONT
18:15
MAN
19:30
25h 15m
2 stops
Depart: Wed 23 Dec 2015 Return: Sun 3 Jan 2016 Trip spans 12 days
£888
Select
KLM
KLM
LHR
01:30
ONT
23:46
22h 16m
2 stops
ONT
18:15
LHR
18:40
24h 25m
2 stops
Depart: Tue 11 Aug 2015 Return: Tue 18 Aug 2015 Trip spans 8 days
£936
Select
United
United
BHX
05:00
ONT
02:25
21h 25m
2 stops
ONT
01:55
BHX
19:10
17h 15m
2 stops
Depart: Sat 19 Dec 2015 Return: Tue 19 Jan 2016 Trip spans 32 days
£960
Select
Delta
Delta
LHR
04:30
ONT
23:46
19h 16m
1 stop
ONT
05:20
LHR
20:30
15h 10m
2 stops
Depart: Wed 5 Aug 2015 Return: Tue 11 Aug 2015 Trip spans 7 days
£1032
Select
Delta
Delta
MAN
01:55
ONT
19:53
17h 58m
2 stops
ONT
02:15
MAN
01:30
23h 15m
2 stops
Depart: Fri 7 Aug 2015 Return: Wed 12 Aug 2015 Trip spans 6 days
£1072
Select
Delta
Delta
BHX
02:00
ONT
19:53
17h 53m
2 stops
ONT
06:15
BHX
00:30
18h 15m
2 stops
Depart: Sun 16 Aug 2015 Return: Wed 16 Sep 2015 Trip spans 32 days
£1080
Select
Lufthansa
Lufthansa
LHR
05:30
ONT
02:25
20h 55m
1 stop
ONT
07:33
LHR
00:05
16h 32m
1 stop
Airports
Origin

London
only £365
only £454
only £717
Manchester
£769
Birmingham
£936
Destination

Ontario
£365