€164 Find Cheap Flights from Ontario to Dublin – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dublin departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Ontario to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ontario to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Ontario to Dublin

Wed, 30 Sep - Sun, 11 Oct
WestJet Logo
21:35 - 09:20
YYZ
-
DUB
6h 45mdirect
WestJet Logo
10:40 - 13:20
DUB
-
YYZ
7h 40mdirect
€299WestJet
Wed, 7 Oct - Tue, 13 Oct
WestJet Logo
18:20 - 08:40
YYZ
-
DUB
9h 20m
1 stop
WestJet Logo
10:10 - 17:10
DUB
-
YYZ
12h 00m
1 stop
€299WestJet
Thu, 1 Oct - Sun, 11 Oct
WestJet Logo
21:35 - 09:20
YYZ
-
DUB
6h 45mdirect
WestJet Logo
10:40 - 13:20
DUB
-
YYZ
7h 40mdirect
€299WestJet
Wed, 30 Sep - Sun, 11 Oct
WestJet Logo
18:20 - 08:40
YYZ
-
DUB
9h 20m
1 stop
WestJet Logo
10:40 - 13:20
DUB
-
YYZ
7h 40mdirect
€299WestJet
Tue, 22 Sep - Tue, 29 Sep
Air Canada Logo
20:30 - 07:45
YTZ
-
DUB
30h 15m
1 stop
Air Canada Logo
09:20 - 14:20
DUB
-
YTZ
10h 00m
1 stop
€369Air Canada
Mon, 14 Sep - Mon, 21 Sep
Air Canada Logo
10:20 - 07:45
YTZ
-
DUB
16h 25m
2 stops
Air Canada Logo
09:20 - 15:50
DUB
-
YTZ
11h 30m
1 stop
€370Air Canada
Mon, 14 Sep - Mon, 21 Sep
Air Canada Logo
16:30 - 07:45
YTZ
-
DUB
10h 15m
1 stop
Air Canada Logo
09:20 - 17:50
DUB
-
YTZ
13h 30m
1 stop
€370Air Canada
Wed, 2 Sep - Fri, 11 Sep
Aer Lingus Logo
17:35 - 05:10
YYZ
-
DUB
6h 35mdirect
Aer Lingus Logo
13:20 - 15:50
DUB
-
YYZ
7h 30mdirect
€434Aer Lingus
Thu, 3 Sep - Wed, 9 Sep
Aer Lingus Logo
17:35 - 05:10
YYZ
-
DUB
6h 35mdirect
Aer Lingus Logo
13:20 - 15:50
DUB
-
YYZ
7h 30mdirect
€436Aer Lingus
Tue, 11 Aug - Tue, 18 Aug
Aer Lingus Logo
17:35 - 05:10
YYZ
-
DUB
6h 35mdirect
Aer Lingus Logo
13:20 - 15:50
DUB
-
YYZ
7h 30mdirect
€436Aer Lingus
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Good to know

Low season

January

Cheapest flight

€164
Best time to beat the crowds (14% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from Toronto Pearson Airport to Dublin

Flights from Ontario to Dublin: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Ontario to Dublin 
Learn how KAYAK collects reviews and tips from users.
Verified travelerFlew with Aer Lingus
YYZ
-
DUB
Jun 2026
Avoid Toronto airport if possible. One had to leave the airport to go to the next terminal. No directions.
JudyFlew with Air Canada
YYZ
-
DUB
Jun 2025
Seat room is very limited with econo. No need to pack snack…food provided.

FAQs for booking flights from Ontario to Dublin

  • How does KAYAK find such low prices on flights from Ontario to Dublin?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Dublin.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Dublin?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Dublin?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Dublin with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Dublin?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Athlone
Cavan
Gorey
Dundalk
Swords
Wicklow
Kildare
Naas
Tullamore
Mullingar
Bray
Enniscorthy
Drogheda
Carlingford
Arklow
Castleknock
Maynooth
Malahide
Thurles
Portmarnock

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

Dublin (DUB)