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>

€256 CHEAP FLIGHTS from Ontario to Ireland

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In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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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€569

Cork2 stops€1,342

Shannon2 stops€1,016

Low season	February
High season	May
Cheapest flight	€256

Best time to beat the crowds (24% less expensive on average)

Most popular time to fly (36% 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 3% 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

4/3Tue

2 stopsUnited Airlines

17h 00mONT-DUB

14/3Fri

2 stopsUnited Airlines

19h 57mDUB-ONT

€569

8/1Wed

2 stopsAir Canada

42h 00mONT-DUB

17/1Fri

2 stopsAir Canada

43h 51mDUB-ONT

€570

10/2Mon

2 stopsUnited Airlines

17h 00mONT-DUB

20/2Thu

2 stopsUnited Airlines

19h 52mDUB-ONT

€573

4/3Tue

1 stopKLM

12h 45mONT-DUB

17/3Mon

1 stopKLM

17h 58mDUB-ONT

€580

17/1Fri

2 stops

17h 10mONT-DUB

22/1Wed

2 stops

17h 04mDUB-ONT

€581

5/3Wed

1 stopKLM

18h 40mONT-DUB

10/3Mon

1 stopKLM

17h 58mDUB-ONT

€635

23/4Wed

2 stops

15h 35mONT-DUB

29/4Tue

2 stops

18h 22mDUB-ONT

€747

15/4Tue

1 stopIberia

14h 47mONT-DUB

29/4Tue

2 stopsIberia

20h 37mDUB-ONT

€768

25/4Fri

1 stopDelta

26h 45mONT-DUB

3/5Sat

2 stopsDelta

17h 26mDUB-ONT

€809

10/5Sat

1 stopIberia

17h 00mONT-DUB

20/5Tue

1 stopIberia

15h 17mDUB-ONT

€840

Recent one-way flight deals

15/1Wed

2 stops

18h 30mONT-DUB

€256

15/1Wed

2 stops

18h 30mONT-DUB

€257

24/3Mon

1 stopKLM

19h 45mONT-DUB

€426

28/2Fri

1 stopKLM

18h 40mONT-DUB

€433

31/12Tue

3 stopsUnited Airlines

17h 55mONT-DUB

€437

17/1Fri

2 stopsUnited Airlines

28h 32mONT-DUB

€442

22/5Thu

1 stopIberia

17h 00mONT-DUB

€476

30/12Mon

2 stopsBritish Airways

15h 59mONT-DUB

€501

31/12Tue

2 stopsBritish Airways

20h 24mONT-DUB

€502

21/3Fri

2 stopsIberia

19h 28mONT-DUB

€560

Last minute flights from Ontario to Ireland

Last minute flight, train and bus deals

22/12Sun

multi-stopDelta

25h 36mONT-DUB

30/12Mon

multi-stopDelta

25h 46mDUB-ONT

€1,131

21/12Sat

multi-stopAmerican Airlines

19h 08mONT-DUB

26/12Thu

multi-stopAmerican Airlines

20h 22mDUB-ONT

€1,389

21/12Sat

multi-stopUnited Airlines

21h 00mONT-DUB

28/12Sat

multi-stopUnited Airlines

61h 36mDUB-ONT

€1,500

21/12Sat

multi-stopUnited Airlines

21h 00mONT-DUB

28/12Sat

multi-stopUnited Airlines

61h 36mDUB-ONT

€1,709

21/12Sat

multi-stop

28h 31mONT-DUB

30/12Mon

multi-stop

29h 24mDUB-ONT

€2,207

23/12Mon

multi-stopKLM

16h 59mONT-ORK

30/12Mon

multi-stopKLM

19h 27mORK-ONT

€2,303

22/12Sun

multi-stopIberia

38h 40mONT-DUB

2/1Thu

multi-stopIberia

23h 03mDUB-ONT

€2,325

20/12Fri

multi-stopIberia

43h 00mONT-DUB

29/12Sun

multi-stopIberia

21h 02mDUB-ONT

€2,359

20/12Fri

multi-stop

21h 10mONT-DUB

29/12Sun

multi-stop

28h 53mDUB-ONT

€2,373

19/12Thu

multi-stopKLM

17h 33mONT-DUB

26/12Thu

multi-stopKLM

16h 11mDUB-ONT

€2,861

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

Information on your arrival and departure airports

Ontario (ONT)

€256 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 15/1. 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

Search by stops

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