Find cheap flights to Ontario

Depart
Return
1 adult
Adults
16+
Youths
12-15
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

(Return)
Depart: Fri 17 Mar 2017 Return: Sun 26 Mar 2017 Trip spans 10 days
£529
Select
Delta
Delta
LHR
ONT
18h 51m
2 stops
ONT
LHR
19h 07m
1 stop
Depart: Sat 15 Apr 2017 Return: Tue 25 Apr 2017 Trip spans 11 days
£564
Select
British Airways
British Airways
MAN
ONT
29h 59m
2 stops
ONT
MAN
16h 20m
2 stops
Depart: Sat 25 Mar 2017 Return: Fri 31 Mar 2017 Trip spans 7 days
£597
Select
United
United
BHX
ONT
19h 49m
2 stops
ONT
BHX
17h 35m
2 stops
Depart: Sun 2 Jul 2017 Return: Thu 6 Jul 2017 Trip spans 5 days
£611
Select
Aeromexico
Aeromexico
LHR
ONT
32h 32m
2 stops
ONT
LHR
27h 33m
2 stops
Depart: Thu 20 Apr 2017 Return: Thu 27 Apr 2017 Trip spans 8 days
£612
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 24m
1 stop
ONT
LHR
18h 57m
1 stop
Depart: Mon 1 May 2017 Return: Mon 15 May 2017 Trip spans 15 days
£645
Select
KLM
KLM
EDI
ONT
24h 38m
2 stops
ONT
EDI
22h 45m
2 stops
Depart: Tue 25 Jul 2017 Return: Thu 17 Aug 2017 Trip spans 24 days
£793
Select
American Airlines
American Airlines
MAN
ONT
18h 49m
2 stops
ONT
MAN
16h 40m
2 stops
Depart: Wed 15 Mar 2017 Return: Wed 29 Mar 2017 Trip spans 15 days
£536
Select
Delta
Delta
LGW
ONT
37h 18m
2 stops
ONT
LGW
43h 25m
2 stops
Depart: Mon 17 Apr 2017 Return: Mon 24 Apr 2017 Trip spans 8 days
£578
Select
British Airways
British Airways
GLA
ONT
20h 43m
2 stops
ONT
GLA
19h 20m
2 stops
Depart: Mon 8 May 2017 Return: Mon 15 May 2017 Trip spans 8 days
£612
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 22m
1 stop
ONT
LHR
12h 50m
1 stop
Depart: Tue 11 Apr 2017 Return: Thu 27 Apr 2017 Trip spans 17 days
£645
Select
KLM
KLM
MAN
ONT
24h 19m
2 stops
ONT
MAN
23h 15m
2 stops
Depart: Sat 13 May 2017 Return: Wed 17 May 2017 Trip spans 5 days
£588
Select
British Airways
British Airways
MAN
ONT
21h 08m
2 stops
ONT
MAN
19h 15m
2 stops
Depart: Tue 4 Apr 2017 Return: Tue 25 Apr 2017 Trip spans 22 days
£612
Select
Delta
Delta
LHR
ONT
21h 09m
2 stops
ONT
LHR
19h 15m
2 stops
Depart: Tue 22 Aug 2017 Return: Sun 3 Sep 2017 Trip spans 13 days
£614
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 14m
1 stop
ONT
LHR
12h 17m
1 stop
Depart: Thu 9 Mar 2017 Return: Fri 24 Mar 2017 Trip spans 15 days
£678
Select
United
United
MAN
ONT
19h 49m
2 stops
ONT
MAN
16h 15m
2 stops
Depart: Tue 11 Apr 2017 Return: Tue 18 Apr 2017 Trip spans 8 days
£612
Select
Delta
Delta
LHR
ONT
16h 24m
1 stop
ONT
LHR
15h 05m
1 stop
Depart: Sun 26 Mar 2017 Return: Wed 5 Apr 2017 Trip spans 11 days
£675
Select
KLM
KLM
LCY
ONT
34h 27m
2 stops
ONT
LCY
26h 55m
2 stops
Depart: Sun 27 Aug 2017 Return: Sat 9 Sep 2017 Trip spans 14 days
£614
Select
Virgin Atlantic
Virgin Atlantic
LHR
ONT
16h 19m
1 stop
ONT
LHR
16h 05m
1 stop
Depart: Fri 19 May 2017 Return: Fri 2 Jun 2017 Trip spans 15 days
£794
Select
American Airlines
American Airlines
GLA
ONT
17h 23m
2 stops
ONT
GLA
16h 50m
2 stops
Depart: Sat 17 Jun 2017 Return: Tue 4 Jul 2017 Trip spans 18 days
£729
Select
United
United
EDI
ONT
30h 58m
2 stops
ONT
EDI
15h 15m
2 stops
* We attempt to get accurate prices and fees; however, prices and fees are not guaranteed, and may be subject to last minute changes over which we have no control.
Airports
Origin

London
only £529
only £675
only £536
Manchester
£564
Glasgow
£578
Edinburgh
£645
Birmingham
£597
Destination

Ontario
£529