€375 Find Cheap Flights from Ontario to Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Ireland departing on 29/7. 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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Best Ireland Flight Deals from Ontario

Cheapest return prices found by our users on KAYAK in the last 72 hours
Dublin
Dublin1 stop€530
Cork
Cork2 stops€749
Shannon
Shannon2 stops€559
Dublin
Dublin1 stop€530
Cork
Cork2 stops€749
Shannon
Shannon2 stops€559

Cheap Flights from Ontario to Ireland

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Ontario to Ireland 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 Ireland

Sun, 3 May - Tue, 12 May
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:50 - 21:58
DUB
-
ONT
44h 08m
2 stops
€530United Airlines
Sun, 15 Feb - Wed, 4 Mar
United Airlines Logo
18:37 - 08:10
ONT
-
DUB
29h 33m
2 stops
United Airlines Logo
09:00 - 22:36
DUB
-
ONT
45h 36m
2 stops
€531United Airlines
Tue, 28 Apr - Tue, 5 May
British Airways Logo
10:59 - 14:35
ONT
-
DUB
19h 36m
2 stops
British Airways Logo
08:35 - 20:54
DUB
-
ONT
20h 19m
2 stops
€534British Airways
Mon, 2 Mar - Tue, 10 Mar
British Airways Logo
14:39 - 17:05
ONT
-
DUB
18h 26m
2 stops
British Airways Logo
20:40 - 18:42
DUB
-
ONT
29h 02m
2 stops
€536British Airways
Mon, 27 Apr - Tue, 5 May
British Airways Logo
23:59 - 09:40
ONT
-
DUB
25h 41m
2 stops
British Airways Logo
08:35 - 22:35
DUB
-
ONT
22h 00m
2 stops
€539British Airways
Mon, 4 May - Wed, 13 May
Air Canada Logo
18:59 - 07:45
ONT
-
DUB
28h 46m
2 stops
Air Canada Logo
09:50 - 17:52
DUB
-
ONT
16h 02m
2 stops
€543Air Canada
Tue, 17 Feb - Wed, 25 Feb
Multiple Airlines Logo
05:00 - 07:10
ONT
-
DUB
18h 10m
2 stops
Multiple Airlines Logo
05:10 - 21:59
DUB
-
ONT
24h 49m
2 stops
€545Multiple Airlines
Tue, 28 Apr - Tue, 5 May
Multiple Airlines Logo
10:59 - 14:35
ONT
-
DUB
19h 36m
2 stops
Multiple Airlines Logo
09:30 - 22:35
DUB
-
ONT
21h 05m
1 stop
€547Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
United Airlines Logo
08:00 - 07:30
ONT
-
DUB
15h 30m
2 stops
United Airlines Logo
10:40 - 22:18
DUB
-
ONT
18h 38m
1 stop
€549United Airlines
Mon, 27 Apr - Tue, 5 May
United Airlines Logo
07:00 - 09:45
ONT
-
DUB
18h 45m
1 stop
United Airlines Logo
09:50 - 21:58
DUB
-
ONT
20h 08m
2 stops
€550United Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Ireland flights

Get data-powered insights and trends into flights from Ontario to Ireland to help you find the cheapest flights, the best time to fly, and much more.

Which airlines provide the cheapest flights from Ontario to Ireland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest return tickets from Ontario to Ireland were found on United Airlines (€530) and British Airways (€559).

Find deals

Good to know

Low seasonNovember
Cheapest flight€375
Best time to beat the crowds (33% less expensive on average)
Most popular time to fly (3% more expensive on average)
Flight from Ontario to Dublin

FAQs - booking Ireland flights

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

    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 Ireland.

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

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

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

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

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

    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 from Ontario to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Ireland

Information on your arrival and departure airports

Ontario (ONT)