How long is the flight from Region of Ontario to Ireland?

Departing from Region of Ontario to Ireland will take you 9h 20m. There are 5258 km between Region of Ontario and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to fly from Region of Ontario to Ireland one-way?

The cheapest airlines for a one-way flight from Region of Ontario to Ireland are Air Transat (C$ 236), WestJet (C$ 250), and Porter Airlines (C$ 312).

In terms of precipitation, rainfall in Ireland ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

Can I find deals for flights from Ontario to Ireland that include hotel bookings?

Yes. In addition to deals on Ontario to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Ireland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ireland.

Can I find deals for business class flights from Ontario to Ireland?

Yes. Cheapflights offers flight deals from Ontario to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 367+ Cheap Flights from Ontario to Ireland

Cheap flight deals from Ontario to Ireland

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Ontario to Ireland
Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Mon 23/117:40 p.m. -

1 stop9h 35m

Wed 2/1211:30 a.m. -

1 stop11h 45m

Deal found 4/11C$ 732

Thu 3/127:40 p.m. -

1 stop9h 35m

Tue 22/1211:30 a.m. -

1 stop11h 45m

Deal found 3/11C$ 736

Tue 1/127:40 p.m. -

1 stop9h 35m

Fri 11/1211:30 a.m. -

1 stop11h 45m

Deal found 1/11C$ 737

Tue 1/127:40 p.m. -

1 stop9h 35m

Tue 19/111:30 a.m. -

1 stop11h 45m

Deal found 1/11C$ 739

Tue 24/117:40 p.m. -

1 stop9h 35m

Tue 1/1211:30 a.m. -

1 stop11h 45m

Deal found 3/11C$ 746

Sun 29/117:40 p.m. -

1 stop9h 35m

Fri 11/1211:30 a.m. -

1 stop11h 45m

Deal found 3/11C$ 748

Fri 4/127:40 p.m. -

1 stop9h 35m

Thu 10/1211:30 a.m. -

1 stop11h 45m

Deal found 31/10C$ 750

Wed 25/117:40 p.m. -

1 stop9h 35m

Tue 1/1211:30 a.m. -

1 stop11h 45m

Deal found 3/11C$ 751

Mon 7/122:45 p.m. -

2 stops16h 40m

Mon 14/126:45 p.m. -

2 stops31h 37m

Deal found 2/11C$ 753

Wed 2/127:40 p.m. -

1 stop9h 35m

Fri 11/1211:30 a.m. -

1 stop11h 45m

Deal found 4/11C$ 754

Mon 30/115:50 p.m. -

2 stops15h 00m

Mon 7/126:45 p.m. -

2 stops28h 22m

Deal found 1/11C$ 758

Sun 6/127:45 a.m. -

2 stops27h 10m

Sun 13/126:50 p.m. -

2 stops28h 17m

Deal found 1/11C$ 803

Best flights from Ontario to Ireland
Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Mon 3/56:25 p.m. -

1 stop9h 55m

Sat 15/512:15 p.m. -

1 stop17h 05m

Deal found 31/10C$ 779

Tue 6/48:45 p.m. -

1 stop9h 20m

Thu 22/43:25 p.m. -

1 stop11h 40m

Deal found 1/11C$ 804

Sat 14/1112:15 p.m. -

1 stop15h 30m

Wed 18/115:45 a.m. -

1 stop18h 30m

Deal found 1/11C$ 829

Tue 12/16:00 p.m. -

1 stop9h 45m

Wed 27/15:45 a.m. -

1 stop14h 55m

Deal found 2/11C$ 836

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/16:00 a.m. -

1 stop14h 40m

Deal found 31/10C$ 838

Sat 14/114:00 p.m. -

2 stops13h 20m

Wed 18/1112:05 p.m. -

1 stop11h 52m

Deal found 1/11C$ 913

Sun 29/1110:35 a.m. -

1 stop15h 35m

Thu 3/129:30 a.m. -

2 stops38h 15m

Deal found 31/10C$ 1,067

Sun 6/1210:20 p.m. -

1 stop32h 10m

Sun 13/122:40 p.m. -

1 stop30h 05m

Deal found 4/11C$ 1,141

Tue 1/1210:20 p.m. -

1 stop13h 25m

Tue 8/127:50 a.m. -

1 stop13h 05m

Deal found 2/11C$ 1,148

Thu 19/119:15 p.m. -

1 stop14h 05m

Fri 11/128:50 a.m. -

1 stop11h 50m

Deal found 4/11C$ 831

Thu 3/126:00 p.m. -

1 stop9h 45m

Mon 14/1210:45 a.m. -

1 stop11h 25m

Deal found 31/10C$ 841

Fri 27/118:30 p.m. -

2 stops33h 50m

Wed 2/1212:10 p.m. -

2 stops34h 41m

Deal found 31/10C$ 863

Fri 27/119:15 p.m. -

1 stop14h 25m

Fri 4/1211:15 a.m. -

1 stop13h 00m

Deal found 1/11C$ 834

Fri 22/112:10 p.m. -

1 stop15h 00m

Tue 26/110:40 a.m. -

1 stop28h 26m

Deal found 31/10C$ 919

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/111:15 a.m. -

1 stop33h 25m

Deal found 4/11C$ 866

Thu 14/19:45 p.m. -

2 stops13h 35m

Sun 31/19:55 a.m. -

2 stops14h 20m

Deal found 3/11C$ 906

Sun 29/115:55 p.m. -

1 stop11h 45m

Fri 4/125:30 p.m. -

1 stop27h 10m

Deal found 4/11C$ 835

Wed 2/123:20 p.m. -

1 stop14h 00m

Tue 8/1212:05 p.m. -

1 stop11h 52m

Deal found 4/11C$ 948

Sun 24/16:30 p.m. -

1 stop15h 15m

Thu 28/111:15 a.m. -

1 stop13h 00m

Deal found 4/11C$ 867

Sat 21/119:45 p.m. -

2 stops13h 35m

Fri 27/118:50 a.m. -

1 stop11h 50m

Deal found 4/11C$ 859

Sun 31/112:10 p.m. -

1 stop15h 00m

Sat 6/210:40 a.m. -

1 stop28h 26m

Deal found 5/11C$ 955

Fri 20/115:25 p.m. -

2 stops17h 55m

Fri 27/116:00 a.m. -

1 stop14h 00m

Deal found 4/11C$ 955

Mon 1/36:05 p.m. -

1 stop17h 40m

Mon 8/37:50 a.m. -

1 stop17h 25m

Deal found 3/11C$ 1,159

Mon 30/119:45 p.m. -

2 stops13h 35m

Sat 5/121:25 p.m. -

1 stop31h 15m

Deal found 3/11C$ 890

Thu 25/310:35 a.m. -

1 stop15h 35m

Sat 3/49:50 a.m. -

1 stop13h 54m

Deal found 2/11C$ 1,226

Sat 28/119:45 p.m. -

2 stops13h 55m

Fri 4/125:30 p.m. -

1 stop27h 10m

Deal found 3/11C$ 862

Tue 2/212:10 p.m. -

1 stop15h 00m

Sat 6/210:40 a.m. -

1 stop28h 26m

Deal found 5/11C$ 955

Fri 20/115:25 p.m. -

2 stops17h 55m

Sun 29/116:00 a.m. -

1 stop14h 00m

Deal found 1/11C$ 957

Sat 6/210:20 p.m. -

1 stop13h 25m

Wed 10/27:50 a.m. -

1 stop17h 25m

Deal found 3/11C$ 1,160

Tue 8/122:35 p.m. -

2 stops14h 10m

Tue 22/129:40 a.m. -

1 stop15h 53m

Deal found 2/11C$ 895

Find flight deals from Ontario to Ireland

Round-trip from	C$ 669
One-way from	C$ 367
Popular in	December
Cheapest in	January
Average price	C$ 728
Good round-trip deal	C$ 1,099 or less
Good one-way deal	C$ 585 or less

WestJet
24/4-30/4
1 total stop
36h 20m total
Ontario to Ireland

Search Deals

7/12-31/12
2 total stops
27h 20m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 107 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Price to beat on a round-trip flight from Ontario to Ireland.

Search Deals

Price to beat on a one-way flight from Ontario to Ireland.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Mon 7/12

2:45 p.m.-11:05 p.m.

2 stops27h 20m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 367

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sat 5/12

11:10 p.m.-3:55 p.m.

2 stops35h 45m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 406

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Mon 3/5

9:35 p.m.-9:20 a.m.

Nonstop6h 45m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 418

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Fri 30/4

6:25 p.m.-10:00 a.m.

1 stop10h 35m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 427

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Mon 30/11

5:50 p.m.-1:50 p.m.

2 stops15h 00m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 434

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Sun 6/12

8:55 p.m.-8:10 p.m.

3 stops42h 15m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 450

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Tue 26/1

2:50 p.m.-2:15 p.m.

2 stops18h 25m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 458

Quickest round-trip

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Fri 13/11

7:45 p.m.-7:10 a.m.

Nonstop6h 25m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 480

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Fri 11/12

9:35 p.m.-4:50 p.m.

1 stop14h 15m

Dublin

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 493

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sun 25/4

10:55 p.m.-7:55 p.m.

2 stops40h 00m

Shannon

Wed 31/12

12:00 a.m.-6:00 p.m.

Nonstop0h 00m

C$ 500

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from Ontario to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Ontario with our price prediction graph.

YTZ-DUB

YYZ-DUB

YOW-DUB

YYZ-SNN

YYZ-ORK

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

CAON-IE0

YTZ-DUB

YYZ-DUB

YOW-DUB

YYZ-SNN

What is the cheapest month to book a flight from Region of Ontario to Ireland?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 679). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ON to IE?

When flying from Region of Ontario to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to Ireland

The most flights from CAON to IE0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Region of Ontario to Ireland?

The price you pay for your flight from Region of Ontario to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Region of Ontario to Ireland?
Departing from Region of Ontario to Ireland will take you 9h 20m. There are 5258 km between Region of Ontario and Ireland. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines to fly from Region of Ontario to Ireland one-way?
The cheapest airlines for a one-way flight from Region of Ontario to Ireland are Air Transat (C$ 236), WestJet (C$ 250), and Porter Airlines (C$ 312).
Can I find deals for flights from Ontario to Ireland that include hotel bookings?
Yes. In addition to deals on Ontario to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Ireland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Ireland.
Can I find deals for business class flights from Ontario to Ireland?
Yes. Cheapflights offers flight deals from Ontario to Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Region of Ontario to Ireland?
Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 679). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,130). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Ireland

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Top 10 airlines flying from Ontario to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	CheapestC$ 176	AverageC$ 780	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 485	AverageC$ 730	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 516	AverageC$ 682	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Porter Airlines	CheapestC$ 560	AverageC$ 786	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 560	AverageC$ 765	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Lufthansa	CheapestC$ 607	AverageC$ 990	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 625	AverageC$ 911	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 717	AverageC$ 959	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	CheapestC$ 731	AverageC$ 858	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	CheapestC$ 737	AverageC$ 1,041	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario to Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ireland from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to Ireland?

Cheapflights helps you find that perfect flight to Ireland from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Ireland with no change fees?

Need flexible booking options for your flight to Ireland from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Ireland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from Ontario today and book when prices fit your budget.

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Cheap flights from Ontario to Ireland from C$ 367

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Ireland

Cheapest flights from Ontario to IrelandExplore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Ontario to IrelandDiscover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Direct flights from Ontario to IrelandExplore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2026.

Explore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Ontario to IrelandSearch for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.

Find flight deals from Ontario to Ireland

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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Use the filters below to find and compare flights from Ontario to Ireland that are best for you.

Best time to book a flight from Ontario to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Ontario with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Region of Ontario to Ireland?

What is the cheapest time of day to fly from ON to IE?

Find hourly flight availability from Ontario to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 November 2026.

When flying from Region of Ontario to Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to Ireland

Explore weekly flight availability from Ontario to Ireland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 November 2026.

The most flights from CAON to IE0 are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

How far ahead should I book a flight from Region of Ontario to Ireland?

The price you pay for your flight from Region of Ontario to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

How long is the flight from Region of Ontario to Ireland?

What are the cheapest airlines to fly from Region of Ontario to Ireland one-way?

Can I find deals for flights from Ontario to Ireland that include hotel bookings?

How can I find direct flights from Ontario to Ireland?

Can I find deals for business class flights from Ontario to Ireland?

What is the cheapest month to book a flight from Region of Ontario to Ireland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Ireland by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Ontario to Ireland by cabin class

Find flights from Ontario to Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ontario and Ireland flights

Browse other Ontario and Ireland flight options. Last updated on 5 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Ireland

Find the right flight back to Ontario after your stay in Ireland

Ontario to Ireland flights

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Consider these flights travelling to Ireland regions.

Top 10 airlines flying from Ontario to Ireland

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How does Cheapflights help users find flights from Ontario to Ireland?

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Can Cheapflights find flights from Ontario to Ireland with no change fees?

Can Cheapflights notify me if prices for flights from Ontario to Ireland become cheaper?

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Cheapest flights from Ontario to Ireland
Explore the most affordable flight options available from Ontario to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2026.

Best flights from Ontario to Ireland
Discover carefully curated flight deals from Ontario to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 5 November 2026.

Direct flights from Ontario to Ireland
Explore direct flight options from Ontario to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 November 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 5 November 2026 and is based on user searches.

One-way flights from Ontario to Ireland
Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 5 November 2026.