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

Departing from Region of Ontario to Ireland will take you 6h 25m. 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$ 220), Porter Airlines (C$ 230), and WestJet (C$ 246).

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 17 September 2026.

Sat 3/1011:55 p.m. -

Nonstop6h 35m

Sun 11/101:15 p.m. -

Nonstop7h 35m

Deal found 14/9C$ 490

Sat 10/1011:55 p.m. -

Nonstop6h 35m

Fri 16/101:15 p.m. -

Nonstop7h 35m

Deal found 14/9C$ 538

Sat 26/911:55 p.m. -

Nonstop6h 35m

Fri 2/101:15 p.m. -

Nonstop7h 35m

Deal found 16/9C$ 545

Sat 10/1011:55 p.m. -

Nonstop6h 35m

Wed 14/101:15 p.m. -

Nonstop7h 35m

Deal found 16/9C$ 556

Mon 28/911:55 p.m. -

Nonstop6h 35m

Mon 5/101:15 p.m. -

Nonstop7h 35m

Deal found 17/9C$ 558

Sat 26/94:15 p.m. -

1 stop14h 15m

Fri 2/101:15 p.m. -

1 stop12h 15m

Deal found 15/9C$ 674

Mon 12/109:55 p.m. -

1 stop31h 25m

Tue 27/105:30 p.m. -

1 stop30h 45m

Deal found 12/9C$ 676

Sat 26/95:00 p.m. -

1 stop13h 30m

Fri 2/101:15 p.m. -

1 stop11h 15m

Deal found 15/9C$ 683

Sun 27/92:55 p.m. -

1 stop15h 35m

Fri 2/101:15 p.m. -

1 stop11h 17m

Deal found 15/9C$ 701

Sat 28/116:30 p.m. -

1 stop15h 15m

Fri 4/125:40 a.m. -

1 stop15h 00m

Deal found 16/9C$ 711

Sat 28/116:30 p.m. -

1 stop15h 15m

Sat 5/126:00 a.m. -

1 stop14h 40m

Deal found 14/9C$ 715

Sun 29/115:55 p.m. -

1 stop11h 45m

Fri 4/125:40 a.m. -

1 stop15h 00m

Deal found 16/9C$ 717

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 17 September 2026.

Mon 12/108:50 p.m. -

Nonstop6h 25m

Tue 20/109:50 a.m. -

Nonstop7h 05m

Deal found 13/9C$ 689

Sun 4/1012:08 p.m. -

1 stop16h 52m

Tue 3/115:45 a.m. -

1 stop18h 30m

Deal found 12/9C$ 715

Thu 15/106:28 p.m. -

1 stop10h 32m

Mon 19/1011:10 a.m. -

1 stop13h 45m

Deal found 16/9C$ 717

Mon 28/94:05 p.m. -

1 stop12h 10m

Mon 5/1010:00 a.m. -

1 stop17h 59m

Deal found 14/9C$ 727

Sat 7/113:20 p.m. -

1 stop14h 00m

Thu 12/1112:05 p.m. -

1 stop11h 52m

Deal found 14/9C$ 784

Thu 22/103:15 p.m. -

1 stop11h 05m

Thu 29/1012:05 p.m. -

1 stop10h 52m

Deal found 12/9C$ 796

Sun 18/106:15 p.m. -

2 stops35h 35m

Sun 25/1010:40 a.m. -

1 stop18h 04m

Deal found 13/9C$ 1,003

Wed 30/96:10 p.m. -

2 stops17h 00m

Thu 8/109:15 p.m. -

1 stop27h 55m

Deal found 12/9C$ 1,166

Fri 30/1011:09 a.m. -

2 stops14h 41m

Fri 6/112:00 p.m. -

2 stops12h 44m

Deal found 15/9C$ 1,183

Sat 13/37:15 a.m. -

1 stop17h 35m

Sat 20/32:00 p.m. -

1 stop11h 37m

Deal found 14/9C$ 1,210

Sat 13/27:45 p.m. -

Nonstop6h 25m

Sat 20/29:00 a.m. -

Nonstop7h 10m

Deal found 15/9C$ 696

Wed 4/115:55 p.m. -

1 stop11h 45m

Wed 11/1111:15 a.m. -

1 stop13h 00m

Deal found 15/9C$ 720

Sun 29/115:55 p.m. -

1 stop11h 45m

Fri 4/125:40 a.m. -

1 stop15h 00m

Deal found 15/9C$ 720

Sun 8/114:00 p.m. -

2 stops13h 20m

Sun 15/1112:05 p.m. -

1 stop11h 52m

Deal found 13/9C$ 784

Wed 14/1012:15 p.m. -

1 stop16h 45m

Wed 21/105:55 a.m. -

1 stop18h 20m

Deal found 13/9C$ 721

Fri 27/119:15 p.m. -

1 stop14h 25m

Fri 4/1211:15 a.m. -

1 stop13h 00m

Deal found 16/9C$ 731

Sun 11/1011:45 a.m. -

1 stop15h 30m

Thu 15/109:50 a.m. -

1 stop12h 18m

Deal found 16/9C$ 833

Wed 25/113:20 p.m. -

1 stop14h 00m

Mon 30/1112:05 p.m. -

1 stop11h 52m

Deal found 13/9C$ 784

Mon 12/109:55 p.m. -

1 stop13h 45m

Mon 19/101:15 p.m. -

1 stop15h 14m

Deal found 12/9C$ 736

Thu 19/119:45 p.m. -

2 stops13h 35m

Mon 23/115:45 a.m. -

1 stop14h 55m

Deal found 16/9C$ 747

Fri 2/1010:55 p.m. -

1 stop11h 55m

Sat 10/107:30 a.m. -

1 stop18h 10m

Deal found 16/9C$ 909

Wed 4/113:20 p.m. -

1 stop14h 00m

Thu 12/1112:05 p.m. -

1 stop11h 52m

Deal found 13/9C$ 784

Mon 26/1011:20 a.m. -

2 stops16h 10m

Mon 2/119:00 a.m. -

1 stop18h 36m

Deal found 14/9C$ 883

Fri 23/106:28 p.m. -

1 stop10h 32m

Tue 3/115:45 a.m. -

2 stops22h 11m

Deal found 15/9C$ 746

Sat 28/119:45 p.m. -

2 stops13h 55m

Fri 4/125:15 p.m. -

1 stop27h 25m

Deal found 15/9C$ 749

Thu 8/1010:05 p.m. -

1 stop17h 20m

Tue 13/108:00 a.m. -

2 stops31h 10m

Deal found 13/9C$ 932

Wed 14/103:15 p.m. -

1 stop14h 25m

Wed 21/1012:30 p.m. -

1 stop11h 27m

Deal found 16/9C$ 787

Sat 17/1010:05 a.m. -

1 stop17h 10m

Wed 21/109:20 a.m. -

1 stop14h 22m

Deal found 16/9C$ 884

Thu 1/104:05 p.m. -

1 stop12h 10m

Wed 14/1011:10 a.m. -

2 stops17h 19m

Deal found 14/9C$ 752

Fri 2/1010:55 p.m. -

1 stop11h 55m

Thu 8/107:30 a.m. -

1 stop18h 10m

Deal found 16/9C$ 952

Find flight deals from Ontario to Ireland

Round-trip from	C$ 490
One-way from	C$ 257
Popular in	December
Cheapest in	January
Average price	C$ 692
Good round-trip deal	C$ 649 or less
Good one-way deal	C$ 495 or less

Air Transat
3/10-11/10
Nonstop
14h 10m total
Ontario to Ireland

Search Deals

WestJet
17/10-31/12
Nonstop
6h 45m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 111 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 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

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sun 18/10

10:15 p.m.-3:35 p.m.

1 stop12h 20m

Shannon

Wed 31/12

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

Nonstop0h 00m

C$ 307

TorontoCork

YYZ Toronto Pearson Intl - ORK Cork

YYZORK

Toronto Pearson Intl

Sat 3/10

11:55 p.m.-11:35 a.m.

2 stops30h 40m

Cork

Wed 31/12

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

Nonstop0h 00m

C$ 312

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

7:20 p.m.-11:30 a.m.

1 stop11h 10m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 321

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 15/10

6:25 p.m.-11:30 a.m.

1 stop12h 05m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 328

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sat 10/10

11:55 p.m.-9:45 a.m.

3 stops28h 50m

Shannon

Wed 31/12

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

Nonstop0h 00m

C$ 329

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 4/10

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 342

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 344

Thunder BayDublin

YQT Thunder Bay - DUB Dublin

YQTDUB

Thunder Bay

Thu 15/10

10:10 a.m.-11:30 a.m.

1 stop20h 20m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 368

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 15/10

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 381

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 382

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

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-SNN

YOW-DUB

YYZ-DUB

YUL-DUB

YTZ-DUB

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-SNN

YOW-DUB

YYZ-DUB

YUL-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$ 664). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,095). 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 Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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 6h 25m. 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$ 220), Porter Airlines (C$ 230), and WestJet (C$ 246).
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$ 664). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,095). 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$ 221	AverageC$ 718	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 485	AverageC$ 723	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 502	AverageC$ 619	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Porter Airlines	CheapestC$ 559	AverageC$ 795	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 562	AverageC$ 768	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Lufthansa	CheapestC$ 603	AverageC$ 978	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 621	AverageC$ 899	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Iberia	CheapestC$ 709	AverageC$ 857	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	CheapestC$ 716	AverageC$ 957	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
British Airways	CheapestC$ 736	AverageC$ 1,007	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$ 257

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 17/10. 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 17 September 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 17 September 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 17 September 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 17 September 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 17 September 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 17 September 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 17 September 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 17 September 2026.

The most flights from CAON to IE0 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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

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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 17 September 2026.

Popular flight searches

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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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Top 10 airlines flying 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 17 September 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 17 September 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 17 September 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 17 September 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 17 September 2026.