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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

€366 CHEAP FLIGHTS from Ontario to Ireland

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Best Ireland Flight Deals from Ontario

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

One-wayReturn

Dublin1 stop€669

Cork2 stops€872

Shannon2 stops€851

Low season	August
High season	May
Cheapest flight	€366

Best time to beat the crowds but there is an average 3% increase in price.

Most popular time to fly (30% more expensive on average)

Flight from Ontario to Dublin

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.

See more FAQs

High season is considered to be April, May and June. The cheapest month to fly from Ontario is November.
Morning departure is around 4% more expensive than an evening flight, on average*.

*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Book cheap flights from Ontario to Ireland

Recent return flight deals

1/4Tue

1 stopKLM

17h 45mONT-DUB

30/4Wed

1 stopKLM

19h 36mDUB-ONT

€669

1/4Tue

1 stopKLM

17h 45mONT-DUB

8/4Tue

1 stopKLM

19h 36mDUB-ONT

€716

21/8Thu

2 stopsAir Canada

37h 05mONT-DUB

5/9Fri

2 stopsAir Canada

40h 40mDUB-ONT

€728

2/4Wed

1 stopIberia

14h 48mONT-DUB

29/4Tue

1 stopIberia

17h 30mDUB-ONT

€735

1/5Thu

1 stopIberia

14h 51mONT-DUB

13/5Tue

1 stopIberia

17h 19mDUB-ONT

€741

8/4Tue

1 stopAmerican Airlines

12h 55mONT-DUB

15/4Tue

1 stopAmerican Airlines

13h 49mDUB-ONT

€747

12/8Tue

1 stopUnited Airlines

18h 45mONT-DUB

23/8Sat

2 stopsUnited Airlines

21h 06mDUB-ONT

€750

1/4Tue

2 stopsUnited Airlines

20h 45mONT-DUB

12/4Sat

2 stopsUnited Airlines

20h 38mDUB-ONT

€754

1/4Tue

1 stopAmerican Airlines

14h 48mONT-DUB

12/4Sat

2 stopsAmerican Airlines

18h 50mDUB-ONT

€763

2/6Mon

2 stopsAir Canada

34h 09mONT-DUB

10/6Tue

2 stopsAir Canada

34h 54mDUB-ONT

€840

Recent one-way flight deals

2/4Wed

2 stops

26h 06mONT-DUB

€366

2/4Wed

2 stops

26h 06mONT-DUB

€373

2/4Wed

1 stopKLM

17h 45mONT-DUB

€406

1/4Tue

1 stopKLM

17h 45mONT-DUB

€421

2/4Wed

2 stopsAir Canada

19h 15mONT-DUB

€427

2/4Wed

1 stopDelta

17h 45mONT-DUB

€428

17/3Mon

2 stopsUnited Airlines

18h 00mONT-DUB

€438

18/3Tue

2 stopsAir Canada

17h 10mONT-DUB

€442

1/5Thu

3 stopsUnited Airlines

34h 30mONT-DUB

€459

17/5Sat

1 stopDelta

26h 45mONT-DUB

€469

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

4/3Tue

multi-stopKLM

18h 40mONT-DUB

11/3Tue

multi-stopKLM

17h 43mDUB-ONT

€786

6/3Thu

multi-stopKLM

18h 40mONT-DUB

20/3Thu

multi-stopKLM

17h 43mDUB-ONT

€834

4/3Tue

multi-stopKLM

18h 40mONT-DUB

10/3Mon

multi-stopKLM

17h 43mDUB-ONT

€878

4/3Tue

multi-stopAir Canada

17h 10mONT-DUB

10/3Mon

multi-stopAir Canada

19h 10mDUB-ONT

€880

6/3Thu

multi-stopUnited Airlines

17h 00mONT-DUB

8/3Sat

multi-stopUnited Airlines

34h 44mDUB-ONT

€901

6/3Thu

multi-stopKLM

18h 40mONT-DUB

8/3Sat

multi-stopKLM

18h 52mDUB-ONT

€923

7/3Fri

multi-stopUnited Airlines

15h 27mONT-DUB

9/3Sun

multi-stopUnited Airlines

20h 45mDUB-ONT

€927

8/3Sat

multi-stopUnited Airlines

17h 00mONT-DUB

12/3Wed

multi-stopUnited Airlines

19h 57mDUB-ONT

€1,210

5/3Wed

multi-stopKLM

18h 40mONT-DUB

10/3Mon

multi-stopKLM

17h 43mDUB-ONT

€1,462

8/3Sat

multi-stopKLM

18h 40mONT-DUB

12/3Wed

multi-stopKLM

17h 43mDUB-ONT

€1,802

Everything you need to know for your flight from Ontario to Ireland

Information on your arrival and departure airports

Ontario (ONT)

€366 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 2/4. 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.

Search hundreds of travel sites at once for deals on flights to Ireland

Best Ireland Flight Deals from Ontario

Good to know

Low season

High season

Cheapest flight

FAQs - booking Ireland flights

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Ontario to Ireland?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Ireland?

Top tips for finding cheap flights to Ireland

Book cheap flights from Ontario to Ireland

Recent return flight deals

Search by stops

Search by airline

Search by price

Recent one-way flight deals

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Search by airline

Search by price

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

Everything you need to know for your flight from Ontario to Ireland

Information on your arrival and departure airports

Cabin class types available on flights to Ireland

Cabin classes available on flights to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Complete your trip to Ireland with a hotel stay or car hire

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from other airports in Ontario to Ireland

Flights from all airports in Ontario to Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights to popular cities in Ireland

Find deals for your return flight