Find Cheap Flights from Ontario to Europe

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

Book cheap flights from Ontario to Europe

(Round-trip)
Depart: Tue Nov 7 2017 Return: Sat Nov 18 2017 Trip spans 12 days
American Airlines
American Airlines
ONT
ARN
17h 55m
2 stops
ARN
ONT
20h 29m
2 stops
Depart: Sun Sep 3 2017 Return: Wed Sep 13 2017 Trip spans 11 days
KLM
KLM
ONT
CPH
20h 27m
2 stops
CPH
ONT
17h 04m
2 stops
Depart: Sat Nov 4 2017 Return: Mon Nov 13 2017 Trip spans 10 days
British Airways
British Airways
ONT
LHR
15h 55m
1 stop
LHR
ONT
27h 37m
1 stop
Depart: Wed Nov 15 2017 Return: Tue Nov 28 2017 Trip spans 14 days
Air France
Air France
ONT
DUB
21h 45m
2 stops
DUB
ONT
18h 28m
2 stops
Depart: Mon Aug 14 2017 Return: Thu Aug 31 2017 Trip spans 18 days
Virgin Atlantic
Virgin Atlantic
ONT
LHR
19h 00m
1 stop
LHR
ONT
16h 19m
1 stop
Depart: Tue Oct 31 2017 Return: Mon Nov 13 2017 Trip spans 14 days
Air Canada
Air Canada
ONT
LHR
27h 05m
2 stops
LHR
ONT
24h 48m
2 stops
Depart: Tue Nov 14 2017 Return: Thu Nov 23 2017 Trip spans 10 days
Major Airline
Major Airline
ONT
LHR
16h 30m
2 stops
LHR
ONT
18h 23m
2 stops
Depart: Tue Sep 12 2017 Return: Wed Sep 20 2017 Trip spans 9 days
Delta
Delta
ONT
CDG
20h 15m
1 stop
CDG
ONT
18h 58m
2 stops
Depart: Sun Aug 6 2017 Return: Thu Aug 24 2017 Trip spans 19 days
United
United
ONT
CDG
12h 50m
1 stop
CDG
ONT
16h 05m
1 stop
Depart: Wed Oct 4 2017 Return: Sun Oct 15 2017 Trip spans 12 days
KLM
KLM
ONT
CPH
25h 50m
2 stops
CPH
ONT
25h 44m
2 stops
Depart: Thu Oct 26 2017 Return: Sun Nov 5 2017 Trip spans 11 days
American Airlines
American Airlines
ONT
CPH
18h 00m
2 stops
CPH
ONT
19h 35m
2 stops
Depart: Sun Nov 19 2017 Return: Thu Nov 30 2017 Trip spans 12 days
KLM
KLM
ONT
CPH
22h 50m
2 stops
CPH
ONT
19h 28m
2 stops
Depart: Thu Nov 16 2017 Return: Mon Nov 27 2017 Trip spans 12 days
Air France
Air France
ONT
CPH
18h 45m
2 stops
CPH
ONT
29h 03m
2 stops
Depart: Sun Oct 1 2017 Return: Tue Oct 10 2017 Trip spans 10 days
American Airlines
American Airlines
ONT
LHR
13h 05m
1 stop
LHR
ONT
14h 59m
1 stop
Depart: Tue Oct 24 2017 Return: Fri Nov 3 2017 Trip spans 11 days
British Airways
British Airways
ONT
ARN
19h 13m
2 stops
ARN
ONT
33h 12m
2 stops
Depart: Wed May 31 2017 Return: Thu Jun 8 2017 Trip spans 9 days
Major Airline
Major Airline
ONT
CPH
16h 30m
3 stops
CPH
ONT
21h 04m
3 stops
Depart: Sun Nov 5 2017 Return: Mon Nov 20 2017 Trip spans 16 days
Air France
Air France
ONT
MXP
36h 30m
2 stops
MXP
ONT
39h 38m
2 stops
Depart: Thu Nov 2 2017 Return: Fri Nov 17 2017 Trip spans 16 days
American Airlines
American Airlines
ONT
LHR
14h 13m
1 stop
LHR
ONT
15h 40m
1 stop
Depart: Sun Sep 3 2017 Return: Wed Sep 20 2017 Trip spans 18 days
KLM
KLM
ONT
FRA
38h 25m
2 stops
FRA
ONT
21h 09m
2 stops
Depart: Tue Oct 17 2017 Return: Tue Oct 24 2017 Trip spans 8 days
British Airways
British Airways
ONT
FCO
18h 28m
2 stops
FCO
ONT
20h 23m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Ontario
$505
Destination

Copenhagen
$513
Rome
$671
Milan
$639
London
$591
Dublin
$597
Frankfurt am Main
$601
Stockholm
$505
Paris
$785