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

Departing from Region of Ontario to Ireland will take you 13h 05m. 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$ 217), WestJet (C$ 225), and Porter Airlines (C$ 227).

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$ 258+ 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 21 August 2026.

Tue 29/910:15 p.m. -

1 stop17h 55m

Sat 10/101:20 p.m. -

Nonstop7h 30m

Deal found 20/8C$ 476

Sun 11/1010:15 p.m. -

1 stop15h 15m

Thu 15/101:20 p.m. -

Nonstop7h 30m

Deal found 20/8C$ 480

Tue 15/99:55 p.m. -

2 stops16h 25m

Sat 3/101:20 p.m. -

Nonstop7h 30m

Deal found 21/8C$ 481

Thu 15/1011:55 p.m. -

Nonstop6h 35m

Wed 21/101:15 p.m. -

Nonstop7h 35m

Deal found 20/8C$ 483

Wed 30/910:15 p.m. -

1 stop17h 15m

Sat 10/101:20 p.m. -

Nonstop7h 30m

Deal found 20/8C$ 491

Sun 13/911:55 p.m. -

Nonstop6h 35m

Sat 19/91:20 p.m. -

Nonstop7h 30m

Deal found 20/8C$ 506

Thu 17/911:55 p.m. -

Nonstop6h 35m

Wed 23/91:15 p.m. -

Nonstop7h 35m

Deal found 16/8C$ 517

Mon 21/911:55 p.m. -

Nonstop6h 35m

Wed 23/91:15 p.m. -

Nonstop7h 35m

Deal found 19/8C$ 518

Tue 13/1011:55 p.m. -

Nonstop6h 35m

Mon 19/101:15 p.m. -

Nonstop7h 35m

Deal found 16/8C$ 524

Wed 16/911:00 p.m. -

1 stop12h 35m

Wed 23/96:55 a.m. -

1 stop19h 05m

Deal found 19/8C$ 716

Mon 21/96:30 p.m. -

1 stop8h 15m

Tue 29/99:20 a.m. -

1 stop13h 30m

Deal found 16/8C$ 717

Mon 9/114:30 p.m. -

2 stops14h 40m

Mon 16/116:45 p.m. -

2 stops31h 35m

Deal found 19/8C$ 729

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 21 August 2026.

Sat 3/109:35 p.m. -

2 stops29h 10m

Fri 16/104:55 p.m. -

1 stop24h 50m

Deal found 21/8C$ 811

Fri 18/911:10 p.m. -

1 stop30h 55m

Thu 8/102:15 p.m. -

1 stop12h 50m

Deal found 17/8C$ 813

Tue 6/103:15 p.m. -

1 stop14h 25m

Mon 19/108:50 a.m. -

1 stop14h 56m

Deal found 17/8C$ 818

Mon 7/98:50 p.m. -

Nonstop5h 55m

Mon 14/98:45 a.m. -

1 stop12h 15m

Deal found 18/8C$ 837

Thu 12/119:15 p.m. -

1 stop10h 10m

Thu 26/1110:50 a.m. -

1 stop13h 25m

Deal found 18/8C$ 864

Fri 2/105:10 p.m. -

2 stops33h 50m

Tue 20/1011:40 a.m. -

2 stops33h 00m

Deal found 19/8C$ 870

Sat 3/105:15 a.m. -

1 stop22h 00m

Wed 7/109:20 a.m. -

1 stop30h 28m

Deal found 16/8C$ 888

Thu 26/119:15 p.m. -

1 stop14h 30m

Sun 29/117:50 a.m. -

1 stop16h 25m

Deal found 20/8C$ 1,132

Wed 14/106:10 p.m. -

1 stop35h 40m

Sun 18/101:00 p.m. -

1 stop33h 15m

Deal found 19/8C$ 1,514

Fri 11/93:15 p.m. -

1 stop14h 25m

Tue 22/912:30 p.m. -

1 stop11h 21m

Deal found 18/8C$ 818

Fri 11/98:40 a.m. -

2 stops30h 30m

Sun 20/97:55 a.m. -

2 stops14h 40m

Deal found 20/8C$ 844

Fri 20/1110:25 p.m. -

1 stop10h 50m

Sun 29/111:35 p.m. -

1 stop11h 40m

Deal found 20/8C$ 892

Fri 11/93:15 p.m. -

1 stop11h 05m

Wed 21/108:50 a.m. -

1 stop14h 56m

Deal found 16/8C$ 818

Sat 3/106:00 p.m. -

1 stop9h 15m

Sat 10/108:50 a.m. -

1 stop10h 27m

Deal found 20/8C$ 946

Mon 14/98:35 a.m. -

2 stops31h 45m

Mon 21/97:15 p.m. -

2 stops29h 24m

Deal found 17/8C$ 870

Sat 12/93:15 p.m. -

1 stop11h 05m

Wed 23/912:30 p.m. -

1 stop11h 21m

Deal found 18/8C$ 818

Mon 31/82:10 p.m. -

1 stop13h 05m

Sun 6/910:40 a.m. -

1 stop13h 10m

Deal found 20/8C$ 993

Thu 26/119:15 p.m. -

1 stop10h 10m

Sun 29/111:35 p.m. -

1 stop10h 40m

Deal found 20/8C$ 920

Fri 11/912:15 p.m. -

1 stop16h 30m

Tue 20/1012:30 p.m. -

1 stop11h 16m

Deal found 16/8C$ 818

Fri 11/97:40 p.m. -

1 stop33h 40m

Thu 17/912:40 p.m. -

1 stop29h 00m

Deal found 20/8C$ 900

Mon 11/18:10 p.m. -

2 stops15h 20m

Wed 20/110:50 a.m. -

1 stop12h 30m

Deal found 21/8C$ 1,002

Sat 12/95:05 a.m. -

2 stops21h 15m

Wed 16/99:20 a.m. -

1 stop18h 43m

Deal found 20/8C$ 1,033

Sat 28/1110:20 p.m. -

1 stop31h 50m

Fri 4/124:05 p.m. -

2 stops28h 45m

Deal found 17/8C$ 1,155

Sat 9/19:05 p.m. -

1 stop10h 40m

Sun 17/13:55 p.m. -

1 stop32h 20m

Deal found 21/8C$ 972

Tue 8/912:15 p.m. -

1 stop16h 30m

Tue 15/98:50 a.m. -

1 stop15h 01m

Deal found 18/8C$ 818

Mon 14/97:15 p.m. -

2 stops33h 15m

Mon 21/912:40 p.m. -

1 stop32h 00m

Deal found 17/8C$ 903

Sat 3/105:25 p.m. -

1 stop11h 50m

Fri 16/1012:30 p.m. -

1 stop11h 30m

Deal found 21/8C$ 1,044

Sat 9/19:05 p.m. -

1 stop10h 40m

Thu 14/18:40 p.m. -

1 stop27h 35m

Deal found 21/8C$ 972

Fri 11/98:00 p.m. -

1 stop10h 10m

Sat 26/99:30 a.m. -

1 stop11h 45m

Deal found 16/8C$ 830

Sat 9/19:05 p.m. -

1 stop17h 35m

Wed 13/110:30 a.m. -

1 stop13h 45m

Deal found 21/8C$ 972

Find flight deals from Ontario to Ireland

Round-trip from	C$ 476
One-way from	C$ 258
Popular in	December
Cheapest in	January
Average price	C$ 729
Good round-trip deal	C$ 558 or less
Good one-way deal	C$ 427 or less

Aer Lingus
29/9-10/10
1 total stop
25h 25m total
Ontario to Ireland

Search Deals

WestJet
19/9
Nonstop
6h 45m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (C$ 82 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

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Sat 3/10

9:35 p.m.-7:45 a.m.

2 stops29h 10m

Shannon

Fri 16/10

4:55 p.m.-12:45 p.m.

1 stop24h 50m

C$ 811

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Fri 18/9

11:10 p.m.-11:05 a.m.

1 stop30h 55m

Dublin

Thu 8/10

2:15 p.m.-10:05 p.m.

1 stop12h 50m

C$ 813

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Tue 6/10

3:15 p.m.-10:40 a.m.

1 stop14h 25m

Dublin

Mon 19/10

8:50 a.m.-6:46 p.m.

1 stop14h 56m

C$ 818

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Fri 11/9

3:15 p.m.-10:40 a.m.

1 stop14h 25m

Dublin

Tue 22/9

12:30 p.m.-6:51 p.m.

1 stop11h 21m

C$ 818

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Fri 11/9

3:15 p.m.-7:20 a.m.

1 stop11h 05m

Dublin

Wed 21/10

8:50 a.m.-6:46 p.m.

1 stop14h 56m

C$ 818

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Sat 12/9

3:15 p.m.-7:20 a.m.

1 stop11h 05m

Dublin

Wed 23/9

12:30 p.m.-6:51 p.m.

1 stop11h 21m

C$ 818

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Fri 11/9

12:15 p.m.-9:45 a.m.

1 stop16h 30m

Dublin

Tue 20/10

12:30 p.m.-6:46 p.m.

1 stop11h 16m

C$ 818

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Tue 8/9

12:15 p.m.-9:45 a.m.

1 stop16h 30m

Dublin

Tue 15/9

8:50 a.m.-6:51 p.m.

1 stop15h 01m

C$ 818

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Fri 11/9

8:00 p.m.-11:10 a.m.

1 stop10h 10m

Dublin

Sat 26/9

9:30 a.m.-4:15 p.m.

1 stop11h 45m

C$ 830

Quickest round-trip

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 7/9

8:50 p.m.-7:45 a.m.

Nonstop5h 55m

Dublin

Mon 14/9

8:45 a.m.-4:00 p.m.

1 stop12h 15m

C$ 837

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/8

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

YYZ-SNN

YUL-DUB

YTZ-DUB

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

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$ 642). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,063). 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 76 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 13h 05m. 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$ 217), WestJet (C$ 225), and Porter Airlines (C$ 227).
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$ 642). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,063). 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$ 260	AverageC$ 710	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 481	AverageC$ 716	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 496	AverageC$ 599	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Transat	CheapestC$ 560	AverageC$ 782	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Lufthansa	CheapestC$ 600	AverageC$ 964	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Porter Airlines	CheapestC$ 602	AverageC$ 804	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 615	AverageC$ 864	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	CheapestC$ 668	AverageC$ 879	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	CheapestC$ 708	AverageC$ 903	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	CheapestC$ 721	AverageC$ 847	FlexibilityNo cancel fee	On-time77%	Search Iberia 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$ 258

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 19/9. 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 21 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 21 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 21 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 21 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 21 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 21 August 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 21 August 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 21 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 21 August 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 21 August 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

Cheapflights Fare Finder

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 21 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 21 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 76 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 21 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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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 21 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 21 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 21 August 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 21 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 21 August 2026.