€310 Find Cheap Flights from Ontario to Ireland – 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 from Ontario to Ireland departing on 24/8. 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€320
Cork
Cork2 stops€1,048
Shannon
Shannon1 stop€724
Dublin
Dublin1 stop€320
Cork
Cork2 stops€1,048
Shannon
Shannon1 stop€724

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

Wed, 23 Sep - Wed, 7 Oct
Iberia Logo
12:37 - 09:45
ONT
-
DUB
13h 08m
1 stop
Iberia Logo
12:40 - 21:11
DUB
-
ONT
16h 31m
1 stop
€320Iberia
Tue, 1 Sep - Fri, 4 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 22:38
DUB
-
ONT
19h 08m
1 stop
€629JetBlue
Mon, 24 Aug - Wed, 9 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 20:57
DUB
-
ONT
17h 27m
1 stop
€640JetBlue
Mon, 17 Aug - Wed, 2 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 22:37
DUB
-
ONT
19h 07m
1 stop
€643JetBlue
Tue, 1 Sep - Fri, 4 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 22:38
DUB
-
ONT
19h 08m
1 stop
€647JetBlue
Sun, 6 Sep - Fri, 11 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 20:57
DUB
-
ONT
17h 27m
1 stop
€653JetBlue
Sun, 6 Sep - Tue, 22 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 20:57
DUB
-
ONT
17h 27m
1 stop
€656JetBlue
Wed, 23 Sep - Wed, 7 Oct
JetBlue Logo
22:39 - 09:00
ONT
-
DUB
26h 21m
1 stop
JetBlue Logo
11:30 - 21:00
DUB
-
ONT
17h 30m
1 stop
€666JetBlue
Wed, 2 Sep - Fri, 25 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 20:57
DUB
-
ONT
17h 27m
1 stop
€667JetBlue
Sun, 16 Aug - Tue, 1 Sep
JetBlue Logo
23:59 - 09:00
ONT
-
DUB
25h 01m
1 stop
JetBlue Logo
11:30 - 22:37
DUB
-
ONT
19h 07m
1 stop
€686JetBlue
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 return price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest return tickets from Ontario to Ireland were found on JetBlue (€656) and United Airlines (€724).

Find deals

Good to know

Cheapest flight

€310
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)