Find Cheap Flights from Ontario to Barcelona (ONT - S37)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Ontario to Barcelona

(Round-trip)
Depart: Fri Jan 12 2018 Return: Sun Jan 28 2018 Trip spans 17 days
United
United
ONT
12:00a
BCN
3:40a
27h 40m
2 stops
BCN
12:00a
ONT
10:26p
22h 26m
2 stops
Depart: Mon Mar 5 2018 Return: Mon Mar 12 2018 Trip spans 7 days
British Airways
British Airways
ONT
12:00a
BCN
6:55p
18h 55m
2 stops
BCN
12:00a
ONT
11:18p
23h 18m
2 stops
Depart: Wed Feb 28 2018 Return: Wed Mar 7 2018 Trip spans 8 days
United
United
ONT
12:00a
BCN
6:00p
18h 00m
2 stops
BCN
12:00a
ONT
2:37a
26h 37m
2 stops
Depart: Thu Jan 11 2018 Return: Fri Jan 19 2018 Trip spans 9 days
United
United
ONT
12:00a
BCN
4:55p
16h 55m
2 stops
BCN
12:00a
ONT
6:48p
18h 48m
2 stops
Depart: Wed Apr 25 2018 Return: Sat May 5 2018 Trip spans 11 days
British Airways
British Airways
ONT
12:00a
BCN
8:35p
20h 35m
2 stops
BCN
12:00a
ONT
9:58p
21h 58m
2 stops
Depart: Mon Mar 5 2018 Return: Mon Mar 19 2018 Trip spans 14 days
United
United
ONT
12:00a
BCN
10:05p
22h 05m
2 stops
BCN
12:00a
ONT
1:28a
25h 28m
2 stops
Depart: Wed May 9 2018 Return: Sat May 26 2018 Trip spans 18 days
British Airways
British Airways
ONT
12:00a
BCN
6:18p
18h 18m
2 stops
BCN
12:00a
ONT
9:58p
21h 58m
2 stops
Depart: Wed Apr 18 2018 Return: Wed May 2 2018 Trip spans 15 days
United
United
ONT
12:00a
BCN
5:50p
17h 50m
2 stops
BCN
12:00a
ONT
7:02p
19h 02m
2 stops
Depart: Sat Dec 30 2017 Return: Thu Jan 11 2018 Trip spans 13 days
British Airways
British Airways
ONT
12:00a
BCN
8:35p
20h 35m
2 stops
BCN
12:00a
ONT
8:38a
32h 38m
2 stops
Depart: Tue May 1 2018 Return: Wed May 9 2018 Trip spans 9 days
British Airways
British Airways
ONT
12:00a
BCN
8:35p
20h 35m
2 stops
BCN
12:00a
ONT
9:58p
21h 58m
2 stops
Depart: Fri May 18 2018 Return: Wed May 30 2018 Trip spans 13 days
British Airways
British Airways
ONT
12:00a
BCN
9:11p
21h 11m
2 stops
BCN
12:00a
ONT
9:58p
21h 58m
2 stops
Depart: Sun Dec 24 2017 Return: Tue Jan 9 2018 Trip spans 17 days
$1091
Select
British Airways
British Airways
ONT
12:00a
BCN
9:45a
33h 45m
2 stops
BCN
12:00a
ONT
10:08a
34h 08m
2 stops
Depart: Sun Dec 24 2017 Return: Fri Jan 5 2018 Trip spans 13 days
$1619
Select
British Airways
British Airways
ONT
12:00a
BCN
9:45a
33h 45m
2 stops
BCN
12:00a
ONT
9:40a
33h 40m
2 stops
Depart: Wed Nov 29 2017 Return: Tue Dec 5 2017 Trip spans 7 days
$1998
Select
United
United
ONT
12:00a
BCN
6:35p
18h 35m
2 stops
BCN
12:00a
ONT
6:37p
18h 37m
2 stops
Depart: Wed Nov 29 2017 Return: Mon Jan 15 2018 Trip spans 48 days
$2021
Select
United
United
ONT
12:00a
BCN
6:35p
18h 35m
2 stops
BCN
12:00a
ONT
5:58p
41h 58m
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 and someone from our team will get back to you promptly.

Airports
Origin

Ontario
$409
Destination

Barcelona
$409