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

Departing from Region of Ontario to Ireland will take you 10h 10m. There are 4768 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$ 219), Porter Airlines (C$ 229), and WestJet (C$ 239).

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$ 257+ 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 31 August 2026.

Sat 17/109:35 p.m. -

Nonstop6h 45m

Sun 25/1010:40 a.m. -

Nonstop7h 40m

Deal found 27/8C$ 475

Sat 3/109:35 p.m. -

Nonstop6h 45m

Sun 25/1010:40 a.m. -

Nonstop7h 40m

Deal found 28/8C$ 477

Sat 3/1011:55 p.m. -

Nonstop6h 35m

Fri 9/101:15 p.m. -

Nonstop7h 35m

Deal found 28/8C$ 480

Sat 3/109:35 p.m. -

Nonstop6h 45m

Sun 11/1010:40 a.m. -

Nonstop7h 40m

Deal found 28/8C$ 488

Thu 8/1011:55 p.m. -

Nonstop6h 35m

Wed 14/101:15 p.m. -

Nonstop7h 35m

Deal found 27/8C$ 490

Mon 14/911:55 p.m. -

Nonstop6h 35m

Mon 21/91:15 p.m. -

Nonstop7h 35m

Deal found 30/8C$ 493

Fri 2/1010:10 p.m. -

Nonstop6h 50m

Sun 11/1010:40 a.m. -

Nonstop7h 40m

Deal found 27/8C$ 507

Sat 3/104:15 p.m. -

1 stop14h 15m

Fri 9/101:15 p.m. -

1 stop12h 15m

Deal found 28/8C$ 705

Sat 28/1110:20 p.m. -

1 stop11h 25m

Fri 4/1211:15 a.m. -

1 stop13h 00m

Deal found 30/8C$ 712

Wed 14/104:45 p.m. -

1 stop12h 35m

Wed 21/106:15 a.m. -

1 stop12h 05m

Deal found 30/8C$ 715

Sat 5/96:25 p.m. -

1 stop11h 45m

Fri 18/91:05 p.m. -

1 stop15h 07m

Deal found 27/8C$ 720

Sat 17/106:25 p.m. -

1 stop9h 55m

Sun 25/1010:40 a.m. -

1 stop18h 04m

Deal found 27/8C$ 720

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 31 August 2026.

Fri 23/106:28 p.m. -

1 stop10h 32m

Tue 3/115:45 a.m. -

1 stop14h 55m

Deal found 31/8C$ 709

Sun 4/1012:08 p.m. -

1 stop16h 52m

Tue 3/115:45 a.m. -

1 stop18h 30m

Deal found 29/8C$ 711

Thu 24/96:25 p.m. -

1 stop10h 35m

Sun 4/1010:00 a.m. -

1 stop17h 59m

Deal found 30/8C$ 722

Thu 12/119:15 p.m. -

1 stop10h 10m

Thu 26/1110:50 a.m. -

1 stop13h 25m

Deal found 31/8C$ 870

Thu 8/1011:23 a.m. -

2 stops14h 57m

Tue 13/101:35 p.m. -

1 stop13h 31m

Deal found 31/8C$ 884

Sat 3/1012:15 p.m. -

2 stops15h 00m

Sat 10/109:20 a.m. -

2 stops28h 05m

Deal found 31/8C$ 909

Fri 9/1010:05 a.m. -

2 stops25h 50m

Fri 16/109:20 a.m. -

1 stop14h 22m

Deal found 27/8C$ 1,085

Thu 26/119:15 p.m. -

1 stop14h 30m

Sun 29/117:50 a.m. -

1 stop16h 25m

Deal found 28/8C$ 1,139

Thu 19/119:15 p.m. -

1 stop14h 30m

Sun 22/117:50 a.m. -

1 stop16h 25m

Deal found 27/8C$ 1,149

Sat 21/1110:20 p.m. -

1 stop10h 50m

Fri 27/118:50 a.m. -

1 stop11h 50m

Deal found 28/8C$ 709

Wed 14/104:45 p.m. -

1 stop12h 35m

Wed 21/106:15 a.m. -

1 stop12h 05m

Deal found 30/8C$ 715

Thu 1/104:05 p.m. -

1 stop12h 10m

Mon 5/1010:00 a.m. -

1 stop17h 59m

Deal found 31/8C$ 723

Tue 13/106:28 p.m. -

1 stop10h 32m

Sat 31/1010:45 a.m. -

1 stop10h 53m

Deal found 27/8C$ 717

Sat 7/119:00 p.m. -

2 stops14h 20m

Sun 22/118:55 a.m. -

1 stop15h 20m

Deal found 30/8C$ 741

Sun 27/94:05 p.m. -

1 stop12h 55m

Wed 7/101:15 p.m. -

1 stop15h 14m

Deal found 30/8C$ 722

Thu 8/1011:23 a.m. -

2 stops14h 57m

Wed 14/109:30 a.m. -

1 stop11h 40m

Deal found 31/8C$ 884

Sat 28/119:00 p.m. -

2 stops14h 40m

Fri 4/125:40 a.m. -

1 stop18h 35m

Deal found 30/8C$ 744

Fri 16/1010:00 p.m. -

1 stop11h 30m

Sun 25/108:40 p.m. -

1 stop27h 35m

Deal found 29/8C$ 923

Sun 4/102:50 p.m. -

2 stops12h 25m

Mon 19/1012:30 p.m. -

2 stops14h 22m

Deal found 31/8C$ 956

Wed 14/106:28 p.m. -

1 stop10h 32m

Thu 22/105:55 a.m. -

1 stop20h 05m

Deal found 28/8C$ 727

Sat 3/108:15 a.m. -

2 stops18h 05m

Fri 9/101:35 p.m. -

1 stop23h 00m

Deal found 28/8C$ 885

Fri 2/108:05 p.m. -

1 stop31h 10m

Mon 19/109:50 a.m. -

1 stop10h 20m

Deal found 31/8C$ 892

Tue 13/105:40 a.m. -

1 stop21h 35m

Tue 20/109:50 a.m. -

1 stop16h 50m

Deal found 28/8C$ 966

Wed 16/93:25 p.m. -

1 stop11h 05m

Thu 24/912:30 p.m. -

2 stops24h 27m

Deal found 29/8C$ 885

Tue 10/116:30 p.m. -

1 stop15h 00m

Sat 28/118:50 a.m. -

1 stop11h 50m

Deal found 27/8C$ 740

Wed 14/1010:55 p.m. -

1 stop12h 15m

Wed 21/107:30 a.m. -

1 stop18h 10m

Deal found 30/8C$ 906

Mon 28/96:15 p.m. -

1 stop11h 55m

Mon 5/101:35 p.m. -

2 stops26h 48m

Deal found 29/8C$ 885

Sun 18/106:05 p.m. -

1 stop15h 35m

Wed 21/105:10 p.m. -

1 stop25h 10m

Deal found 27/8C$ 742

Sun 4/105:40 a.m. -

1 stop21h 35m

Thu 8/109:50 a.m. -

1 stop28h 30m

Deal found 29/8C$ 1,003

Wed 30/96:05 p.m. -

1 stop12h 15m

Thu 8/109:15 p.m. -

2 stops23h 35m

Deal found 29/8C$ 1,110

Find flight deals from Ontario to Ireland

Round-trip from	C$ 475
One-way from	C$ 257
Popular in	December
Cheapest in	January
Average price	C$ 709
Good round-trip deal	C$ 674 or less
Good one-way deal	C$ 465 or less

WestJet
17/10-25/10
Nonstop
14h 25m total
Ontario to Ireland

Search Deals

WestJet
3/10
Nonstop
6h 45m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 100 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 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

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Fri 23/10

6:28 p.m.-10:00 a.m.

1 stop10h 32m

Dublin

Tue 3/11

5:45 a.m.-3:40 p.m.

1 stop14h 55m

C$ 709

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sat 21/11

10:20 p.m.-2:10 p.m.

1 stop10h 50m

Dublin

Fri 27/11

8:50 a.m.-3:40 p.m.

1 stop11h 50m

C$ 709

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sun 4/10

12:08 p.m.-10:00 a.m.

1 stop16h 52m

Dublin

Tue 3/11

5:45 a.m.-7:15 p.m.

1 stop18h 30m

C$ 711

TorontoCork

YYZ Toronto Pearson Intl - ORK Cork

YYZORK

Toronto Pearson Intl

Wed 14/10

4:45 p.m.-10:20 a.m.

1 stop12h 35m

Cork

Wed 21/10

6:15 a.m.-1:20 p.m.

1 stop12h 05m

C$ 715

Quickest round-trip

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Tue 13/10

6:28 p.m.-10:00 a.m.

1 stop10h 32m

Dublin

Sat 31/10

10:45 a.m.-5:38 p.m.

1 stop10h 53m

C$ 717

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Thu 24/9

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

1 stop10h 35m

Dublin

Sun 4/10

10:00 a.m.-10:59 p.m.

1 stop17h 59m

C$ 722

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sun 27/9

4:05 p.m.-10:00 a.m.

1 stop12h 55m

Dublin

Wed 7/10

1:15 p.m.-11:29 p.m.

1 stop15h 14m

C$ 722

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Thu 1/10

4:05 p.m.-9:15 a.m.

1 stop12h 10m

Dublin

Mon 5/10

10:00 a.m.-10:59 p.m.

1 stop17h 59m

C$ 723

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Wed 14/10

6:28 p.m.-10:00 a.m.

1 stop10h 32m

Dublin

Thu 22/10

5:55 a.m.-9:00 p.m.

1 stop20h 05m

C$ 727

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Tue 10/11

6:30 p.m.-2:30 p.m.

1 stop15h 00m

Dublin

Sat 28/11

8:50 a.m.-3:40 p.m.

1 stop11h 50m

C$ 740

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/8

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.

YYZ-DUB

YUL-DUB

YOW-DUB

YQG-DUB

YUL-SNN

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

YYZ-DUB

YUL-DUB

YOW-DUB

YQG-DUB

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 648). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,084). 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 Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 62 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 10h 10m. There are 4768 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$ 219), Porter Airlines (C$ 229), and WestJet (C$ 239).
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, January is the cheapest month in which you can book a flight from Region of Ontario to Ireland (average of C$ 648). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,084). 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$ 246	AverageC$ 715	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 484	AverageC$ 720	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 498	AverageC$ 611	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Transat	CheapestC$ 560	AverageC$ 764	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 585	AverageC$ 800	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Lufthansa	CheapestC$ 600	AverageC$ 967	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 617	AverageC$ 858	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	CheapestC$ 673	AverageC$ 885	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	CheapestC$ 705	AverageC$ 853	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	CheapestC$ 712	AverageC$ 929	FlexibilityNo cancel fee	On-time71%	Search American Airlines 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$ 257

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. 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 31 August 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 31 August 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 31 August 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 31 August 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 31 August 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 31 August 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 31 August 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 31 August 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Ontario to Ireland

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One-way from

Popular in

Cheapest in

Average price

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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 31 August 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 31 August 2026.

The most flights from CAON to IE0 are scheduled on a Thursday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 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 62 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 31 August 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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Fly to Ireland regions

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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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 31 August 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 31 August 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 31 August 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 31 August 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 31 August 2026.