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Find cheap flights from Ontario to Ireland from €138

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 3/7. 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
Wed 12/6
Wed 19/6

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In the last 7 days, travellers have searched 41,771,603 times on KAYAK, and here's why:

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Good to know

Low season

January

High season

September

Cheapest flight

€138
Best time to beat the crowds (3% less expensive on average)
Most popular time to fly (8% more expensive 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 return 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 return flight deals

1/9Sun
1 stopWestJet
8h 25mYYZ-DUB
7/9Sat
1 stopWestJet
16h 12mDUB-YYZ
€181
10/6Mon
direct
7h 00mYYZ-DUB
17/6Mon
direct
7h 35mDUB-YYZ
€285
11/6Tue
1 stopPLAY
10h 15mYHM-DUB
18/6Tue
1 stopPLAY
11h 10mDUB-YHM
€295
30/5Thu
1 stopPLAY
10h 15mYHM-DUB
6/6Thu
1 stopPLAY
11h 10mDUB-YHM
€296
3/11Sun
1 stopTAP AIR PORTUGAL
12h 25mYYZ-DUB
1/12Sun
1 stopTAP AIR PORTUGAL
15h 10mDUB-YYZ
€347
8/9Sun
directAer Lingus
6h 45mYYZ-DUB
18/9Wed
directAer Lingus
7h 30mDUB-YYZ
€387
29/9Sun
directAer Lingus
6h 45mYYZ-DUB
6/10Sun
directAer Lingus
7h 30mDUB-YYZ
€392
10/6Mon
directAir Transat
6h 35mYYZ-DUB
17/6Mon
directAir Transat
7h 35mDUB-YYZ
€408
10/6Mon
directAir Transat
6h 35mYYZ-DUB
17/6Mon
directAir Transat
7h 35mDUB-YYZ
€428
7/10Mon
1 stopTAP AIR PORTUGAL
14h 10mYYZ-DUB
17/10Thu
1 stopTAP AIR PORTUGAL
13h 20mDUB-YYZ
€444

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Recent one-way flight deals

3/7Wed
1 stopWestJet
9h 55mYHM-DUB
€138
4/10Fri
directWestJet
6h 50mYYZ-DUB
€176
27/8Tue
1 stop
18h 35mYYZ-DUB
€241
26/9Thu
1 stop
18h 40mYYZ-DUB
€256
30/7Tue
1 stopPLAY
10h 15mYHM-DUB
€257
18/6Tue
1 stopPLAY
10h 15mYHM-DUB
€258
10/6Mon
directAir Transat
6h 35mYYZ-DUB
€266
9/6Sun
directAir Transat
6h 35mYYZ-DUB
€266
8/9Sun
2 stopsAzores Airlines
47h 45mYYZ-DUB
€359
6/10Sun
2 stopsAzores Airlines
16h 20mYYZ-DUB
€369

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Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

15/5Wed
multi-stopPLAY
10h 15mYHM-DUB
22/5Wed
multi-stopPLAY
11h 10mDUB-YHM
€491
15/5Wed
multi-stopPLAY
10h 15mYHM-DUB
17/5Fri
multi-stopPLAY
11h 10mDUB-YHM
€497
18/5Sat
direct
7h 00mYYZ-DUB
24/5Fri
direct
7h 35mDUB-YYZ
€565
16/5Thu
multi-stopIcelandair
31h 05mYYZ-DUB
30/5Thu
multi-stopIcelandair
11h 55mDUB-YYZ
€580
18/5Sat
direct
7h 00mYYZ-DUB
23/5Thu
multi-stop
14h 40mDUB-YYZ
€593
18/5Sat
multi-stopIcelandair
31h 05mYYZ-DUB
27/5Mon
multi-stopIcelandair
9h 20mDUB-YYZ
€625
18/5Sat
multi-stopAir Canada
32h 20mYYZ-DUB
24/5Fri
multi-stopAir Canada
15h 40mDUB-YYZ
€647
18/5Sat
directAir Transat
6h 35mYYZ-DUB
24/5Fri
directAir Transat
7h 35mDUB-YYZ
€654
16/5Thu
directAir Transat
6h 35mYYZ-DUB
21/5Tue
directAir Transat
7h 35mDUB-YYZ
€676
18/5Sat
multi-stopAir Canada
9h 37mYYZ-DUB
24/5Fri
directAir Canada
7h 05mDUB-YYZ
€692

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