€334 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 14/7. 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.
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Flights Deals

Best Ireland Flight Deals from Ontario

Cheapest return prices found by our users on KAYAK in the last 72 hours

Dublin
Dublin1 stop€611
Cork
Cork2 stops€994
Shannon
Shannon1 stop€614
Dublin
Dublin1 stop€611
Cork
Cork2 stops€994
Shannon
Shannon1 stop€614

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.

Recent return flight deals from Ontario to Ireland

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Ontario to Ireland.
Discover the best prices for you by selecting your travel dates on KAYAK.
Iberia Logo
12:46 - 09:45ONT-DUB
12h 59m1 stop
Iberia Logo
12:40 - 21:44DUB-ONT
17h 04m1 stop
€611Iberia
Find Deal
Tue, 12 Aug - Tue, 19 Aug
United Airlines Logo
07:00 - 07:30ONT-SNN
16h 30m1 stop
United Airlines Logo
09:30 - 22:30SNN-ONT
21h 00m1 stop
€614United Airlines
Find Deal
Wed, 10 Sep - Fri, 19 Sep
JetBlue Logo
22:59 - 08:20ONT-DUB
25h 21m1 stop
JetBlue Logo
11:30 - 21:11DUB-ONT
17h 41m1 stop
€630JetBlue
Find Deal
Mon, 12 May - Tue, 27 May
Delta Logo
22:05 - 10:45ONT-DUB
28h 40m2 stops
Delta Logo
12:00 - 23:42DUB-ONT
19h 42m2 stops
€689Delta
Find Deal
Sun, 20 Jul - Thu, 31 Jul
Delta Logo
17:08 - 07:55ONT-DUB
54h 47m2 stops
Delta Logo
11:00 - 19:20DUB-ONT
16h 20m1 stop
€700Delta
Find Deal
Fri, 18 Jul - Thu, 31 Jul
Air Canada Logo
06:10 - 07:45ONT-DUB
17h 35m2 stops
Air Canada Logo
09:20 - 17:43DUB-ONT
40h 23m2 stops
€730Air Canada
Find Deal
Mon, 14 Jul - Tue, 29 Jul
JetBlue Logo
22:59 - 08:20ONT-DUB
25h 21m1 stop
JetBlue Logo
11:30 - 21:10DUB-ONT
17h 40m1 stop
€731JetBlue
Find Deal
Mon, 26 May - Tue, 10 Jun
KLM Logo
07:05 - 11:10ONT-SNN
20h 05m2 stops
KLM Logo
13:05 - 22:29SNN-ONT
17h 24m2 stops
€751KLM
Find Deal
Tue, 27 May - Tue, 3 Jun
KLM Logo
07:00 - 08:45ONT-DUB
17h 45m1 stop
KLM Logo
11:00 - 22:41DUB-ONT
19h 41m1 stop
€760KLM
Find Deal
Sun, 21 Sep - Thu, 2 Oct
Air Canada Logo
15:10 - 07:45ONT-DUB
32h 35m2 stops
Air Canada Logo
09:50 - 20:53DUB-ONT
43h 03m2 stops
€815Air Canada
Find Deal
Mon, 12 May - Thu, 15 May
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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 €445 (return) on average. On the other hand, the most expensive months are July and April, when the average cost of return tickets is €871 and €858 respectively.

Good to know

Low season

December

High season

July

Cheapest flight

€334
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 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

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