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>

€396 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

Dublin2 stops€478

Cork2 stops€772

Shannon2 stops€1,079

Low season	December
High season	May
Cheapest flight	€396

Best time to beat the crowds but there is an average 21% increase in price.

Most popular time to fly (32% 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 19% cheaper 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

27/2gio

2 stopsUnited Airlines

17h 00mONT-DUB

5/3mer

2 stopsUnited Airlines

43h 57mDUB-ONT

€478

27/2gio

1 stopKLM

18h 40mONT-DUB

5/3mer

1 stopKLM

18h 52mDUB-ONT

€500

23/4mer

2 stopsAir Canada

19h 15mONT-DUB

7/5mer

2 stopsAir Canada

37h 05mDUB-ONT

€569

4/3mar

1 stopDelta

12h 35mONT-DUB

12/3mer

1 stopDelta

17h 43mDUB-ONT

€574

27/2gio

1 stopDelta

12h 40mONT-DUB

7/3ven

1 stopDelta

18h 52mDUB-ONT

€585

23/3dom

2 stopsBritish Airways

18h 56mONT-DUB

29/3sab

2 stopsBritish Airways

32h 52mDUB-ONT

€588

31/3lun

1 stopIberia

18h 45mONT-DUB

6/4dom

1 stopIberia

19h 11mDUB-ONT

€614

8/4mar

1 stopIberia

18h 45mONT-DUB

20/4dom

1 stopIberia

19h 11mDUB-ONT

€643

23/3dom

2 stopsBritish Airways

18h 56mONT-DUB

29/3sab

2 stopsBritish Airways

29h 30mDUB-ONT

€689

5/5lun

2 stopsAir Canada

28h 57mONT-DUB

16/5ven

2 stopsAir Canada

35h 04mDUB-ONT

€731

Recent one-way flight deals

16/3dom

3 stops

57h 06mONT-DUB

€396

16/3dom

2 stops

40h 26mONT-DUB

€400

7/2ven

2 stopsUnited Airlines

17h 50mONT-DUB

€407

15/3sab

2 stopsUnited Airlines

42h 05mONT-DUB

€413

26/3mer

1 stopKLM

13h 59mONT-DUB

€423

11/3mar

1 stopKLM

19h 45mONT-DUB

€429

15/3sab

2 stopsDelta

36h 59mONT-DUB

€451

23/4mer

1 stopDelta

25h 46mONT-DUB

€466

22/5gio

1 stopIberia

18h 15mONT-DUB

€476

30/4mer

1 stopIberia

35h 01mONT-DUB

€482

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

3/2lun

multi-stopUnited Airlines

17h 50mONT-DUB

7/2ven

multi-stopUnited Airlines

35h 43mDUB-ONT

€904

3/2lun

multi-stopUnited Airlines

17h 50mONT-DUB

7/2ven

multi-stopUnited Airlines

32h 51mDUB-ONT

€926

2/2dom

multi-stopUnited Airlines

17h 00mONT-DUB

4/2mar

multi-stopUnited Airlines

20h 57mDUB-ONT

€1,122

3/2lun

multi-stop

25h 25mONT-DUB

7/2ven

multi-stop

19h 01mDUB-ONT

€1,176

3/2lun

multi-stop

20h 40mONT-DUB

7/2ven

multi-stop

19h 01mDUB-ONT

€1,273

3/2lun

multi-stop

20h 40mONT-DUB

6/2gio

multi-stop

27h 06mDUB-ONT

€1,306

3/2lun

multi-stop

34h 57mONT-DUB

7/2ven

multi-stop

35h 55mDUB-ONT

€2,766

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

Information on your arrival and departure airports

Ontario (ONT)

€396 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 16/3. 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

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Search by price

Recent one-way flight deals

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Search by price

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

Search by stops

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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.

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