Find Cheap Flights from Ontario to Ireland

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 Ireland

(Round-trip)
Depart: Thu Jan 25 2018 Return: Tue Jan 30 2018 Trip spans 6 days
Delta
Delta
ONT
12:00a
DUB
3:00p
15h 00m
2 stops
DUB
12:00a
ONT
7:41p
19h 41m
2 stops
Depart: Fri Nov 24 2017 Return: Sat Dec 2 2017 Trip spans 9 days
British Airways
British Airways
ONT
12:00a
DUB
4:50a
28h 50m
2 stops
DUB
12:00a
ONT
6:35a
30h 35m
2 stops
Depart: Sat Dec 30 2017 Return: Wed Jan 10 2018 Trip spans 12 days
United
United
ONT
12:00a
DUB
2:35a
26h 35m
2 stops
DUB
12:00a
ONT
5:55p
17h 55m
2 stops
Depart: Wed Dec 13 2017 Return: Thu Dec 21 2017 Trip spans 9 days
Air Canada
Air Canada
ONT
12:00a
DUB
4:45a
28h 45m
2 stops
DUB
12:00a
ONT
5:22a
29h 22m
2 stops
Depart: Mon Dec 25 2017 Return: Wed Jan 3 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
ONT
12:00a
DUB
12:46p
36h 46m
2 stops
DUB
12:00a
ONT
4:58a
28h 58m
2 stops
Depart: Wed Jan 10 2018 Return: Tue Feb 13 2018 Trip spans 35 days
British Airways
British Airways
ONT
12:00a
DUB
6:28p
18h 28m
2 stops
DUB
12:00a
ONT
7:10p
19h 10m
2 stops
Depart: Wed Feb 7 2018 Return: Fri Feb 16 2018 Trip spans 10 days
Delta
Delta
ONT
12:00a
DUB
7:20p
19h 20m
2 stops
DUB
12:00a
ONT
7:43p
19h 43m
2 stops
Depart: Thu Mar 1 2018 Return: Thu Mar 22 2018 Trip spans 21 days
British Airways
British Airways
ONT
12:00a
DUB
4:38p
16h 38m
2 stops
DUB
12:00a
ONT
7:38p
19h 38m
2 stops
Depart: Fri Oct 20 2017 Return: Fri Oct 27 2017 Trip spans 8 days
United
United
ONT
12:00a
DUB
6:45p
18h 45m
2 stops
DUB
12:00a
ONT
4:15p
16h 15m
2 stops
Depart: Wed Feb 7 2018 Return: Sun Feb 18 2018 Trip spans 12 days
British Airways
British Airways
ONT
12:00a
DUB
4:38p
16h 38m
2 stops
DUB
12:00a
ONT
7:25a
31h 25m
2 stops
Depart: Wed Dec 27 2017 Return: Sun Jan 7 2018 Trip spans 12 days
British Airways
British Airways
ONT
12:00a
DUB
2:55p
38h 55m
2 stops
DUB
12:00a
ONT
11:00a
35h 00m
2 stops
Depart: Tue Oct 31 2017 Return: Mon Nov 13 2017 Trip spans 14 days
British Airways
British Airways
ONT
12:00a
DUB
5:30p
17h 30m
2 stops
DUB
12:00a
ONT
7:05p
19h 05m
2 stops
Depart: Wed Dec 27 2017 Return: Fri Jan 5 2018 Trip spans 10 days
British Airways
British Airways
ONT
12:00a
DUB
2:55p
38h 55m
2 stops
DUB
12:00a
ONT
7:10p
19h 10m
2 stops
Depart: Fri Sep 29 2017 Return: Sun Oct 8 2017 Trip spans 10 days
$1206
Select
Delta
Delta
ONT
12:00a
DUB
7:40p
19h 40m
2 stops
DUB
12:00a
ONT
8:04p
20h 04m
2 stops
Depart: Sat Nov 18 2017 Return: Sun Nov 26 2017 Trip spans 9 days
$1254
Select
British Airways
British Airways
ONT
12:00a
DUB
6:20p
18h 20m
2 stops
DUB
12:00a
ONT
7:00p
19h 00m
2 stops
Depart: Sat Sep 30 2017 Return: Tue Oct 3 2017 Trip spans 4 days
$2257
Select
British Airways
British Airways
ONT
12:00a
DUB
7:00p
19h 00m
2 stops
DUB
12:00a
ONT
7:00p
19h 00m
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
$663
Destination

Dublin
$663