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

Departing from Region of Ontario to Ireland will take you 9h 35m. 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$ 313).

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$ 373+ 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 30 October 2026.

Sun 8/117:45 p.m. -

Nonstop6h 25m

Sat 14/119:00 a.m. -

Nonstop7h 10m

Deal found 26/10C$ 695

Sun 8/117:45 p.m. -

Nonstop6h 25m

Sat 14/119:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 702

Wed 2/127:45 p.m. -

Nonstop6h 25m

Mon 7/129:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 709

Fri 13/117:45 p.m. -

Nonstop6h 25m

Sat 21/119:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 710

Sun 8/117:45 p.m. -

Nonstop6h 25m

Fri 20/1112:10 p.m. -

1 stop33h 05m

Deal found 25/10C$ 716

Tue 1/128:25 p.m. -

1 stop33h 55m

Sun 6/129:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 717

Sun 29/118:25 p.m. -

1 stop16h 20m

Sat 5/129:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 720

Wed 18/118:25 p.m. -

1 stop16h 20m

Mon 23/119:00 a.m. -

Nonstop7h 10m

Deal found 25/10C$ 733

Sun 6/122:45 p.m. -

2 stops20h 10m

Mon 14/126:45 p.m. -

2 stops31h 37m

Deal found 26/10C$ 744

Tue 1/1212:30 p.m. -

2 stops17h 50m

Sun 6/126:35 p.m. -

2 stops28h 16m

Deal found 25/10C$ 764

Sun 29/1112:30 p.m. -

2 stops17h 50m

Sat 5/1210:45 a.m. -

2 stops26h 07m

Deal found 25/10C$ 765

Wed 11/1112:30 p.m. -

2 stops17h 50m

Sun 15/1112:05 p.m. -

2 stops14h 30m

Deal found 25/10C$ 783

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 30 October 2026.

Thu 4/37:40 p.m. -

1 stop9h 35m

Wed 10/311:30 a.m. -

1 stop11h 45m

Deal found 28/10C$ 796

Mon 9/114:20 p.m. -

2 stops13h 00m

Mon 16/111:35 p.m. -

2 stops15h 17m

Deal found 25/10C$ 801

Wed 11/1110:20 p.m. -

1 stop11h 10m

Wed 18/115:45 a.m. -

1 stop14h 55m

Deal found 26/10C$ 828

Fri 27/119:15 p.m. -

1 stop14h 25m

Fri 4/1211:15 a.m. -

1 stop13h 00m

Deal found 29/10C$ 835

Thu 19/119:15 p.m. -

1 stop14h 05m

Sun 22/116:00 a.m. -

1 stop15h 10m

Deal found 29/10C$ 880

Wed 11/1112:05 p.m. -

1 stop15h 05m

Wed 18/1112:05 p.m. -

1 stop11h 52m

Deal found 29/10C$ 915

Mon 18/15:10 p.m. -

1 stop16h 20m

Sun 31/16:00 a.m. -

1 stop14h 00m

Deal found 26/10C$ 920

Wed 25/115:20 p.m. -

2 stops13h 10m

Wed 2/128:05 p.m. -

2 stops24h 45m

Deal found 28/10C$ 1,116

Mon 7/1210:20 p.m. -

1 stop13h 25m

Sun 13/122:40 p.m. -

1 stop27h 24m

Deal found 28/10C$ 1,136

Fri 13/112:35 p.m. -

1 stop12h 35m

Sat 21/111:35 p.m. -

2 stops13h 43m

Deal found 25/10C$ 801

Fri 27/115:55 p.m. -

1 stop11h 45m

Fri 4/1211:15 a.m. -

1 stop13h 00m

Deal found 27/10C$ 835

Sat 14/119:45 p.m. -

2 stops13h 55m

Fri 27/115:40 a.m. -

1 stop15h 00m

Deal found 27/10C$ 870

Mon 9/113:20 p.m. -

1 stop14h 00m

Mon 16/1112:05 p.m. -

1 stop11h 52m

Deal found 26/10C$ 814

Mon 30/119:45 p.m. -

2 stops13h 35m

Thu 10/129:55 a.m. -

2 stops14h 20m

Deal found 25/10C$ 896

Thu 3/122:25 p.m. -

2 stops14h 20m

Fri 11/125:45 a.m. -

1 stop14h 55m

Deal found 28/10C$ 862

Sat 28/116:10 p.m. -

2 stops15h 35m

Fri 4/125:40 a.m. -

1 stop18h 35m

Deal found 26/10C$ 870

Sun 29/1110:35 a.m. -

1 stop15h 35m

Thu 3/129:30 a.m. -

2 stops38h 15m

Deal found 25/10C$ 966

Fri 13/1112:05 p.m. -

1 stop15h 05m

Sat 21/1112:05 p.m. -

1 stop11h 52m

Deal found 25/10C$ 814

Sun 24/15:15 p.m. -

2 stops16h 30m

Sat 30/16:00 a.m. -

2 stops15h 19m

Deal found 29/10C$ 908

Tue 20/45:10 p.m. -

1 stop10h 10m

Sat 8/55:55 a.m. -

1 stop14h 05m

Deal found 25/10C$ 1,014

Fri 26/210:20 a.m. -

2 stops18h 25m

Mon 8/31:25 p.m. -

1 stop31h 15m

Deal found 28/10C$ 866

Wed 24/36:10 p.m. -

2 stops14h 30m

Mon 29/38:55 a.m. -

1 stop16h 00m

Deal found 26/10C$ 885

Wed 11/113:20 p.m. -

1 stop14h 00m

Tue 17/1112:05 p.m. -

1 stop11h 52m

Deal found 26/10C$ 814

Wed 20/15:40 p.m. -

1 stop20h 45m

Wed 3/25:30 p.m. -

1 stop27h 20m

Deal found 29/10C$ 1,117

Sun 24/16:30 p.m. -

1 stop15h 15m

Sat 30/111:15 a.m. -

1 stop33h 25m

Deal found 27/10C$ 866

Mon 18/15:10 p.m. -

2 stops18h 10m

Sun 31/16:00 a.m. -

1 stop14h 00m

Deal found 25/10C$ 961

Mon 7/125:20 p.m. -

2 stops13h 10m

Sun 13/128:05 p.m. -

2 stops24h 45m

Deal found 28/10C$ 1,119

Tue 20/45:10 p.m. -

1 stop17h 15m

Sat 8/56:00 a.m. -

2 stops14h 00m

Deal found 25/10C$ 993

Mon 18/15:10 p.m. -

2 stops14h 30m

Sun 31/15:45 a.m. -

2 stops14h 15m

Deal found 25/10C$ 1,003

Sat 7/113:20 p.m. -

1 stop14h 00m

Wed 25/1112:05 p.m. -

1 stop11h 52m

Deal found 25/10C$ 912

Find flight deals from Ontario to Ireland

Round-trip from	C$ 701
One-way from	C$ 373
Popular in	December
Cheapest in	January
Average price	C$ 677
Good round-trip deal	C$ 1,053 or less
Good one-way deal	C$ 558 or less

Air Canada
29/11-5/12
Nonstop
13h 35m total
Ontario to Ireland

Search Deals

6/12-31/12
2 total stops
20h 10m total
Ontario to Ireland

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (C$ 103 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 October 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 9/11

5:50 p.m.-11:05 p.m.

2 stops24h 15m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 421

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Wed 13/1

10:45 p.m.-5:00 p.m.

2 stops37h 15m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 463

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Wed 13/1

11:40 a.m.-11:05 a.m.

2 stops18h 25m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 480

TorontoShannon

YYZ Toronto Pearson Intl - SNN Shannon

YYZSNN

Toronto Pearson Intl

Wed 9/12

2:50 p.m.-1:50 p.m.

3 stops18h 00m

Shannon

Wed 31/12

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

Nonstop0h 00m

C$ 483

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sat 28/11

7:55 p.m.-8:50 a.m.

1 stop31h 55m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 484

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Thu 26/11

8:25 p.m.-11:20 a.m.

1 stop33h 55m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 490

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Tue 24/11

8:25 p.m.-11:20 a.m.

1 stop33h 55m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 503

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Wed 9/12

2:50 p.m.-5:35 p.m.

2 stops21h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 506

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Sat 28/11

2:45 p.m.-8:05 a.m.

2 stops36h 20m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 512

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Sat 7/11

8:20 a.m.-7:30 a.m.

2 stops18h 10m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 519

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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

YTZ-DUB

YYZ-ORK

YOW-DUB

YYZ-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

YTZ-DUB

YYZ-ORK

YOW-DUB

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$ 678). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,124). 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.

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 35m. 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$ 313).
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$ 678). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 1,124). 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$ 181	AverageC$ 783	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
WestJet	CheapestC$ 485	AverageC$ 731	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	CheapestC$ 517	AverageC$ 675	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Porter Airlines	CheapestC$ 561	AverageC$ 787	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 561	AverageC$ 766	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Lufthansa	CheapestC$ 608	AverageC$ 991	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 624	AverageC$ 911	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	CheapestC$ 718	AverageC$ 960	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Iberia	CheapestC$ 732	AverageC$ 859	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	CheapestC$ 738	AverageC$ 1,043	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$ 373

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 6/12. 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 30 October 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 30 October 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 30 October 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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from Ontario to IrelandDiscover last-minute flight deals from Ontario to Ireland. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Ontario to Ireland. Data last updated 30 October 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 30 October 2026.

Search for one-way flight options from Ontario to Ireland. Find affordable one-way fares based on user searches. Data last updated 30 October 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 30 October 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.

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

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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 30 October 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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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 30 October 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 30 October 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 30 October 2026.

Last-minute flights from Ontario to Ireland
Discover last-minute flight deals from Ontario to Ireland. Data last updated 30 October 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 30 October 2026.