€396 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 20/9. 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.
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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€575
Cork
Cork2 stops€1,184
Shannon
Shannon1 stop€556
Dublin
Dublin1 stop€575
Cork
Cork2 stops€1,184
Shannon
Shannon1 stop€556

Cheap Flight Deals from Ontario to Ireland (ONT-IE0)

 
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

Wed, 3 Sep - Fri, 19 Sep
United Airlines Logo
07:00 - 07:30ONT-SNN
16h 30m1 stop
United Airlines Logo
09:30 - 20:33SNN-ONT
19h 03m2 stops
€556United Airlines
Find Deal
Wed, 29 Oct - Tue, 4 Nov
 Logo
08:44 - 07:15ONT-DUB
15h 31m1 stop
 Logo
14:05 - 22:00DUB-ONT
15h 55m1 stop
€575
Find Deal
Sun, 25 May - Tue, 10 Jun
KLM Logo
07:05 - 11:10ONT-SNN
20h 05m2 stops
KLM Logo
13:05 - 22:25SNN-ONT
17h 20m2 stops
€614KLM
Find Deal
Fri, 17 Oct - Sun, 2 Nov
Iberia Logo
12:51 - 09:45ONT-DUB
12h 54m1 stop
Iberia Logo
14:05 - 22:00DUB-ONT
15h 55m1 stop
€616Iberia
Find Deal
Tue, 22 Jul - Tue, 5 Aug
Air Canada Logo
06:10 - 07:45ONT-DUB
17h 35m2 stops
Air Canada Logo
09:20 - 12:14DUB-ONT
34h 54m2 stops
€618Air Canada
Find Deal
Mon, 21 Jul - Fri, 8 Aug
American Airlines Logo
16:45 - 15:45ONT-DUB
15h 00m2 stops
American Airlines Logo
11:45 - 21:28DUB-ONT
17h 43m1 stop
€647American Airlines
Find Deal
Thu, 24 Jul - Tue, 5 Aug
Air Canada Logo
06:10 - 07:45ONT-DUB
17h 35m2 stops
Air Canada Logo
09:20 - 20:54DUB-ONT
19h 34m2 stops
€659Air Canada
Find Deal
Sat, 25 Oct - Sat, 1 Nov
American Airlines Logo
12:51 - 17:45ONT-SNN
20h 54m2 stops
American Airlines Logo
07:45 - 00:02SNN-ONT
23h 17m2 stops
€659American Airlines
Find Deal
Thu, 16 Oct - Thu, 30 Oct
Iberia Logo
10:55 - 09:45ONT-DUB
14h 50m1 stop
Iberia Logo
14:05 - 00:02DUB-ONT
16h 57m1 stop
€666Iberia
Find Deal
Thu, 24 Jul - Wed, 6 Aug
KLM Logo
09:44 - 07:55ONT-DUB
14h 11m2 stops
KLM Logo
11:00 - 19:20DUB-ONT
16h 20m1 stop
€673KLM
Find Deal
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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.

What is the cheapest month to fly from Ontario to Ireland?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Ontario to Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Ontario to Ireland is November, when tickets cost €447 (return) on average. On the other hand, the most expensive months are July and April, when the average cost of return tickets is €875 and €862 respectively.


Good to know

Low seasonDecember
High seasonJuly
Cheapest flight€396
Best time to beat the crowds (27% less expensive on average)
Most popular time to fly (28% more expensive on average)
Flight from Ontario to Shannon

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

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