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Find cheap flights from Ontario to Ireland from C$ 342

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 5/6. 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
Tue 4/6
Tue 11/6

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Good to know

Low season

January

High season

September

Cheapest flight

C$ 342
Best time to beat the crowds (19% less expensive on average)
Most popular time to fly and prices are also 5% 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

30/5Thu
1 stopPLAY
10h 15mYHM-DUB
6/6Thu
1 stopPLAY
11h 10mDUB-YHM
C$ 437
29/5Wed
1 stopPLAY
10h 15mYHM-DUB
12/6Wed
1 stopPLAY
11h 10mDUB-YHM
C$ 438
4/10Fri
directWestJet
6h 50mYYZ-DUB
14/10Mon
directWestJet
7h 54mDUB-YYZ
C$ 493
26/10Sat
1 stopTAP AIR PORTUGAL
12h 40mYYZ-DUB
6/11Wed
1 stopTAP AIR PORTUGAL
26h 55mDUB-YYZ
C$ 608
26/5Sun
direct
6h 35mYYZ-DUB
12/6Wed
direct
7h 54mDUB-YYZ
C$ 638
9/10Wed
direct
6h 35mYYZ-DUB
14/10Mon
direct
7h 54mDUB-YYZ
C$ 649
17/7Wed
1 stopWestJet
8h 25mYYZ-DUB
8/8Thu
directWestJet
7h 54mDUB-YYZ
C$ 661
5/9Thu
directAer Lingus
6h 45mYYZ-DUB
19/9Thu
directAer Lingus
7h 30mDUB-YYZ
C$ 679
10/9Tue
directAer Lingus
6h 45mYYZ-DUB
8/10Tue
directAer Lingus
7h 30mDUB-YYZ
C$ 680
6/8Tue
1 stopTAP AIR PORTUGAL
11h 20mYYZ-DUB
10/9Tue
1 stopTAP AIR PORTUGAL
24h 00mDUB-YYZ
C$ 866

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Recent one-way flight deals

5/6Wed
1 stopPLAY
10h 15mYHM-DUB
C$ 342
6/6Thu
1 stopPLAY
9h 35mYHM-DUB
C$ 369
26/5Sun
directAir Transat
6h 35mYYZ-DUB
C$ 401
18/5Sat
directAir Transat
6h 35mYYZ-DUB
C$ 413
22/7Mon
directWestJet
6h 50mYYZ-DUB
C$ 420
24/6Mon
1 stop
20h 00mYYZ-DUB
C$ 434
28/5Tue
directWestJet
7h 00mYYZ-DUB
C$ 437
24/6Mon
2 stops
20h 00mYYZ-DUB
C$ 458
3/6Mon
1 stopIcelandair
31h 05mYYZ-DUB
C$ 524
9/6Sun
1 stopIcelandair
31h 05mYYZ-DUB
C$ 553

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Search by price

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

10/5Fri
directWestJet
7h 00mYYZ-DUB
24/5Fri
directWestJet
7h 54mDUB-YYZ
C$ 702
9/5Thu
directAir Transat
6h 35mYYZ-DUB
14/5Tue
directAir Transat
7h 35mDUB-YYZ
C$ 720
9/5Thu
direct
6h 35mYYZ-DUB
17/5Fri
direct
7h 54mDUB-YYZ
C$ 735
9/5Thu
direct
6h 35mYYZ-DUB
16/5Thu
direct
7h 54mDUB-YYZ
C$ 736
7/5Tue
multi-stopIcelandair
9h 05mYYZ-DUB
5/6Wed
multi-stopIcelandair
14h 40mDUB-YYZ
C$ 936
8/5Wed
directAir Canada
6h 40mYYZ-DUB
11/6Tue
multi-stopAir Canada
12h 00mDUB-YYZ
C$ 962
10/5Fri
multi-stopIcelandair
11h 50mYYZ-DUB
14/5Tue
multi-stopIcelandair
11h 55mDUB-YYZ
C$ 966
8/5Wed
multi-stopPLAY
10h 15mYHM-DUB
11/6Tue
multi-stopPLAY
11h 10mDUB-YHM
C$ 1,000
8/5Wed
directAir Canada
6h 40mYYZ-DUB
15/5Wed
directAir Canada
7h 05mDUB-YYZ
C$ 1,065
8/5Wed
multi-stopPLAY
10h 15mYHM-DUB
6/6Thu
multi-stopPLAY
11h 10mDUB-YHM
C$ 1,541

Search by stops

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