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

Departing from Region of Ontario to Ireland will take you 10h 32m. 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$ 218), Porter Airlines (C$ 228), and WestJet (C$ 238).

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$ 256+ 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 6 September 2026.

Thu 15/1011:55 p.m. -

Nonstop6h 35m

Wed 21/101:15 p.m. -

Nonstop7h 35m

Deal found 5/9C$ 488

Thu 1/1011:55 p.m. -

Nonstop6h 35m

Mon 5/101:15 p.m. -

Nonstop7h 35m

Deal found 2/9C$ 516

Mon 14/911:55 p.m. -

Nonstop6h 35m

Wed 23/91:15 p.m. -

Nonstop7h 35m

Deal found 4/9C$ 519

Thu 17/911:55 p.m. -

Nonstop6h 35m

Wed 23/91:15 p.m. -

Nonstop7h 35m

Deal found 4/9C$ 522

Mon 21/911:55 p.m. -

Nonstop6h 35m

Mon 28/91:15 p.m. -

Nonstop7h 35m

Deal found 1/9C$ 533

Mon 19/106:00 p.m. -

1 stop15h 40m

Sun 1/116:00 a.m. -

1 stop18h 15m

Deal found 2/9C$ 710

Mon 19/106:00 p.m. -

1 stop15h 40m

Wed 28/1011:15 a.m. -

1 stop13h 00m

Deal found 6/9C$ 711

Sun 18/109:55 p.m. -

1 stop31h 25m

Sun 25/106:00 a.m. -

1 stop18h 15m

Deal found 3/9C$ 714

Wed 25/119:15 p.m. -

1 stop14h 25m

Fri 4/125:40 a.m. -

1 stop18h 35m

Deal found 1/9C$ 715

Wed 25/115:55 p.m. -

1 stop11h 45m

Wed 2/125:40 a.m. -

1 stop15h 00m

Deal found 6/9C$ 717

Mon 12/109:55 p.m. -

1 stop13h 40m

Tue 20/106:15 a.m. -

1 stop12h 05m

Deal found 4/9C$ 718

Mon 19/106:00 p.m. -

1 stop15h 40m

Sun 1/115:30 p.m. -

1 stop27h 10m

Deal found 6/9C$ 724

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 6 September 2026.

Wed 21/106:28 p.m. -

1 stop10h 32m

Mon 2/115:45 a.m. -

1 stop14h 55m

Deal found 5/9C$ 711

Sun 4/1012:08 p.m. -

1 stop16h 52m

Tue 3/115:45 a.m. -

1 stop18h 30m

Deal found 5/9C$ 711

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/16:00 a.m. -

1 stop14h 40m

Deal found 4/9C$ 718

Mon 21/912:30 p.m. -

1 stop14h 15m

Mon 28/99:20 a.m. -

1 stop11h 30m

Deal found 1/9C$ 807

Thu 12/119:15 p.m. -

1 stop10h 10m

Thu 26/1110:50 a.m. -

1 stop13h 25m

Deal found 4/9C$ 863

Thu 1/101:10 p.m. -

2 stops16h 30m

Thu 8/109:30 a.m. -

1 stop15h 49m

Deal found 3/9C$ 881

Fri 29/12:00 p.m. -

1 stop10h 10m

Sat 6/21:00 p.m. -

1 stop16h 40m

Deal found 1/9C$ 1,043

Wed 30/910:00 p.m. -

1 stop17h 35m

Fri 30/107:50 a.m. -

1 stop16h 25m

Deal found 2/9C$ 1,143

Sat 28/1110:20 p.m. -

1 stop11h 25m

Fri 4/125:40 a.m. -

1 stop18h 35m

Deal found 3/9C$ 711

Mon 12/109:55 p.m. -

1 stop13h 40m

Tue 20/106:15 a.m. -

1 stop12h 05m

Deal found 4/9C$ 718

Thu 10/94:05 p.m. -

1 stop12h 10m

Sun 13/96:00 a.m. -

1 stop14h 50m

Deal found 3/9C$ 725

Wed 30/94:05 p.m. -

1 stop12h 55m

Wed 14/101:15 p.m. -

1 stop15h 14m

Deal found 1/9C$ 721

Fri 25/92:24 p.m. -

1 stop13h 51m

Mon 28/91:15 p.m. -

1 stop14h 57m

Deal found 1/9C$ 721

Wed 21/1010:00 p.m. -

1 stop9h 55m

Wed 28/1010:30 a.m. -

1 stop13h 45m

Deal found 5/9C$ 869

Sun 4/106:00 a.m. -

1 stop20h 30m

Wed 14/108:50 a.m. -

2 stops18h 16m

Deal found 3/9C$ 881

Wed 14/104:45 p.m. -

1 stop12h 35m

Tue 20/106:15 a.m. -

1 stop12h 05m

Deal found 4/9C$ 733

Wed 21/1012:10 p.m. -

2 stops17h 35m

Sat 31/1010:45 a.m. -

1 stop10h 53m

Deal found 2/9C$ 744

Wed 7/109:05 a.m. -

1 stop18h 10m

Mon 19/109:50 a.m. -

1 stop10h 00m

Deal found 4/9C$ 968

Tue 22/95:05 p.m. -

1 stop12h 35m

Tue 29/98:50 a.m. -

2 stops13h 29m

Deal found 6/9C$ 884

Tue 13/106:28 p.m. -

1 stop10h 32m

Tue 20/108:55 a.m. -

2 stops19h 34m

Deal found 3/9C$ 747

Fri 27/116:30 p.m. -

2 stops17h 10m

Fri 4/125:40 a.m. -

1 stop18h 35m

Deal found 4/9C$ 751

Sat 3/1010:45 a.m. -

2 stops15h 45m

Tue 13/109:30 a.m. -

2 stops17h 00m

Deal found 1/9C$ 968

Sat 26/99:45 a.m. -

2 stops16h 35m

Sat 3/1012:30 p.m. -

2 stops14h 36m

Deal found 3/9C$ 887

Sat 3/1010:05 p.m. -

1 stop11h 50m

Sat 10/101:35 p.m. -

1 stop29h 40m

Deal found 5/9C$ 980

Mon 21/94:05 p.m. -

2 stops12h 55m

Mon 28/91:15 p.m. -

1 stop14h 57m

Deal found 1/9C$ 751

Sun 18/1010:00 p.m. -

1 stop17h 35m

Sun 25/108:05 p.m. -

1 stop28h 10m

Deal found 3/9C$ 1,133

Sun 18/1010:00 p.m. -

1 stop13h 10m

Sun 25/102:00 p.m. -

2 stops23h 52m

Deal found 3/9C$ 1,147

Thu 1/106:55 a.m. -

1 stop23h 35m

Fri 4/126:40 a.m. -

2 stops22h 21m

Deal found 4/9C$ 993

Thu 1/106:25 p.m. -

1 stop10h 35m

Mon 5/1010:00 a.m. -

1 stop12h 20m

Deal found 2/9C$ 751

Sun 4/109:05 a.m. -

1 stop18h 10m

Thu 8/109:50 a.m. -

1 stop27h 35m

Deal found 2/9C$ 1,002

Find flight deals from Ontario to Ireland

Round-trip from	C$ 488
One-way from	C$ 256
Popular in	December
Cheapest in	January
Average price	C$ 686
Good round-trip deal	C$ 631 or less
Good one-way deal	C$ 476 or less

Porter Airlines
15/10-21/10
Nonstop
14h 10m total
Ontario to Ireland

Search Deals

WestJet
3/10-31/12
Nonstop
6h 45m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 110 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 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

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Thu 1/10

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

Nonstop6h 35m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 271

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$ 303

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Tue 20/10

11:55 p.m.-8:25 p.m.

2 stops15h 30m

Shannon

Wed 31/12

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

Nonstop0h 00m

C$ 336

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 1/10

2:00 p.m.-11:30 a.m.

1 stop16h 30m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 343

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

5:45 p.m.-11:30 a.m.

1 stop12h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 344

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Sun 4/10

6:50 a.m.-11:30 a.m.

1 stop23h 40m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 346

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 11/10

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$ 347

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 3/10

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 367

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Wed 30/9

2:00 p.m.-9:20 a.m.

1 stop14h 20m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 375

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Tue 22/9

7:35 a.m.-8:20 a.m.

1 stop19h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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-DUB

YYZ-SNN

YUL-DUB

YTZ-DUB

YOW-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-DUB

YYZ-SNN

YUL-DUB

YTZ-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$ 652). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,083). 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 Friday (11 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 10h 32m. 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$ 218), Porter Airlines (C$ 228), and WestJet (C$ 238).
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$ 652). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,083). 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$ 245	AverageC$ 712	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 482	AverageC$ 718	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 497	AverageC$ 609	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Transat	CheapestC$ 558	AverageC$ 762	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Porter Airlines	CheapestC$ 584	AverageC$ 798	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Lufthansa	CheapestC$ 599	AverageC$ 964	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 615	AverageC$ 855	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	CheapestC$ 671	AverageC$ 882	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Iberia	CheapestC$ 703	AverageC$ 850	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
American Airlines	CheapestC$ 710	AverageC$ 927	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$ 256

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 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 6 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 6 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 6 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 6 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 6 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 6 September 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 6 September 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 6 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 6 September 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 6 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 6 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 6 September 2026.

The most flights from CAON to IE0 are scheduled on a Friday (11 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

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 6 September 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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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 6 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 6 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 6 September 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 6 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 6 September 2026.