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Find cheap flights from Ontario to Ireland from C$ 325

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 6/7. 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
0 bags
Sun 26/5
Sun 2/6

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In the last 7 days, travellers have searched 44,335,567 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

September

Cheapest flight

C$ 325
Best time to beat the crowds (17% less expensive on average)
Most popular time to fly and prices are also 4% lower on average.
Flight from Hamilton to Dublin

FAQs for booking flights from Ontario to Ireland

  • 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 to Ireland 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 Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ireland 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 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 to Ireland from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to Ireland

Recent round-trip flight deals

21/10Mon
1 stopPLAY
10h 05mYHM-DUB
31/10Thu
1 stopPLAY
11h 10mDUB-YHM
C$ 430
21/10Mon
1 stopPLAY
10h 05mYHM-DUB
31/10Thu
1 stopPLAY
11h 10mDUB-YHM
C$ 432
25/5Sat
directAir Transat
6h 35mYYZ-DUB
27/9Fri
directAir Transat
7h 35mDUB-YYZ
C$ 541
26/5Sun
directAir Transat
6h 35mYYZ-DUB
27/9Fri
directAir Transat
7h 35mDUB-YYZ
C$ 544
11/6Tue
direct
6h 35mYYZ-DUB
20/6Thu
direct
7h 54mDUB-YYZ
C$ 619
23/5Thu
direct
6h 35mYYZ-DUB
6/6Thu
direct
7h 54mDUB-YYZ
C$ 620
3/6Mon
directWestJet
7h 00mYYZ-DUB
14/6Fri
directWestJet
7h 54mDUB-YYZ
C$ 657
24/6Mon
1 stopWestJet
8h 25mYYZ-DUB
9/7Tue
directWestJet
7h 54mDUB-YYZ
C$ 661
23/5Thu
1 stopIcelandair
31h 05mYYZ-DUB
30/5Thu
1 stopIcelandair
11h 55mDUB-YYZ
C$ 714
5/6Wed
1 stopIcelandair
31h 05mYYZ-DUB
11/6Tue
1 stopIcelandair
14h 40mDUB-YYZ
C$ 729

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Recent one-way flight deals

6/7Sat
1 stopPLAY
10h 30mYHM-DUB
C$ 325
16/7Tue
1 stopPLAY
10h 15mYHM-DUB
C$ 344
26/5Sun
directAir Transat
6h 35mYYZ-DUB
C$ 369
27/5Mon
2 stops
36h 10mYHM-DUB
C$ 377
27/5Mon
directAir Transat
6h 35mYYZ-DUB
C$ 381
23/6Sun
1 stopWestJet
9h 55mYHM-DUB
C$ 408
27/5Mon
1 stop
11h 05mYHM-DUB
C$ 417
6/5Mon
directWestJet
7h 00mYYZ-DUB
C$ 422
5/6Wed
1 stopIcelandair
9h 50mYYZ-DUB
C$ 527
12/6Wed
1 stopIcelandair
11h 50mYYZ-DUB
C$ 530

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Search by price

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

28/4Sun
multi-stopPLAY
9h 35mYHM-DUB
22/5Wed
multi-stopPLAY
11h 10mDUB-YHM
C$ 622
28/4Sun
directWestJet
7h 00mYYZ-DUB
3/5Fri
directWestJet
7h 54mDUB-YYZ
C$ 807
1/5Wed
multi-stopIcelandair
9h 05mYYZ-DUB
22/5Wed
multi-stopIcelandair
12h 05mDUB-YYZ
C$ 885
29/4Mon
multi-stopIcelandair
9h 05mYYZ-DUB
23/5Thu
multi-stopIcelandair
14h 40mDUB-YYZ
C$ 912
28/4Sun
multi-stopAer Lingus
16h 16mYYZ-DUB
8/5Wed
directAer Lingus
7h 30mDUB-YYZ
C$ 944
28/4Sun
multi-stop
9h 05mYYZ-DUB
3/5Fri
direct
7h 54mDUB-YYZ
C$ 964
1/5Wed
multi-stop
42h 05mYYZ-DUB
5/5Sun
direct
7h 54mDUB-YYZ
C$ 971
1/5Wed
multi-stopScandinavian Airlines
17h 25mYYZ-DUB
22/5Wed
multi-stopScandinavian Airlines
32h 40mDUB-YYZ
C$ 1,027
1/5Wed
multi-stopScandinavian Airlines
17h 25mYYZ-DUB
22/5Wed
multi-stopScandinavian Airlines
31h 50mDUB-YYZ
C$ 1,044
29/4Mon
directAer Lingus
6h 45mYYZ-DUB
23/5Thu
directAer Lingus
7h 30mDUB-YYZ
C$ 1,116

Search by stops

Search by airline

Search by price