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Cheap flights from Ontario to Ireland from C$ 235

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DUB
30 Aug — 6 Sep1
1 adult

Cheap flight deals from Ontario to Ireland

Keep the following information in mind while searching for Ontario to Ireland flight deals. Data was last updated 25 August 2025.

Round-trip from

C$ 506

One-way from

C$ 235

Popular in

December

Cheapest in

November

Average price

C$ 780

Good round-trip deal

C$ 669 or less

Good one-way deal

C$ 350 or less
WestJet
  • WestJet
  • 19/9-26/9
  • Nonstop
  • 14h 30m total
  • Ontario to Ireland
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Porter Airlines
  • Porter Airlines
  • 24/9
  • Nonstop
  • 6h 35m total
  • Ontario to Ireland
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Highest demand for flights based on searches. 2% potential increase in price (C$ 27 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 31 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Ontario to Ireland.
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Price to beat on a one-way flight from Ontario to Ireland.
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Find flight deals from Ontario to Ireland

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 25 August 2025.

Fri 19/910:10 p.m.YYZ - DUB
Nonstop6h 50mWestJet
Fri 26/912:00 p.m.DUB - YYZ
Nonstop7h 40mWestJet
Deal found 24/8C$ 506
Sat 4/1011:55 p.m.YYZ - DUB
Nonstop6h 35mMultiple Airlines
Thu 9/1010:00 a.m.DUB - YYZ
1 stop12h 10mMultiple Airlines
Deal found 22/8C$ 517
Mon 22/911:55 p.m.YYZ - DUB
Nonstop6h 35mMultiple Airlines
Fri 26/912:00 p.m.DUB - YYZ
Nonstop7h 40mMultiple Airlines
Deal found 24/8C$ 521
Mon 15/911:55 p.m.YYZ - DUB
Nonstop6h 35mMultiple Airlines
Sat 20/911:30 a.m.DUB - YYZ
Nonstop7h 45mMultiple Airlines
Deal found 23/8C$ 523
Mon 20/1011:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Fri 31/1011:30 a.m.DUB - YYZ
1 stop11h 45mIcelandair
Deal found 22/8C$ 531
Fri 21/117:40 p.m.YYZ - DUB
1 stop9h 35mIcelandair
Sat 29/1111:30 a.m.DUB - YYZ
1 stop11h 45mIcelandair
Deal found 23/8C$ 532
Fri 31/108:40 p.m.YYZ - DUB
1 stop9h 35mIcelandair
Sat 8/1111:30 a.m.DUB - YYZ
1 stop11h 45mIcelandair
Deal found 22/8C$ 534
Fri 19/910:10 p.m.YYZ - DUB
Nonstop6h 50mMultiple Airlines
Fri 26/91:15 p.m.DUB - YYZ
Nonstop7h 35mMultiple Airlines
Deal found 22/8C$ 536
Thu 30/104:05 p.m.YTZ - DUB
2 stops14h 15mMultiple Airlines
Tue 4/115:00 a.m.DUB - YTZ
2 stops14h 55mMultiple Airlines
Deal found 23/8C$ 681
Sun 12/1012:25 p.m.YTZ - DUB
2 stops18h 45mMultiple Airlines
Tue 21/109:00 a.m.DUB - YTZ
2 stops15h 49mMultiple Airlines
Deal found 24/8C$ 705
Fri 12/95:55 a.m.YOW - DUB
1 stop23h 05mWestJet
Sat 20/911:30 a.m.DUB - YOW
1 stop17h 52mWestJet
Deal found 25/8C$ 705
Tue 4/114:05 p.m.YTZ - DUB
2 stops13h 15mAir Canada
Thu 13/119:30 a.m.DUB - YTZ
2 stops14h 13mAir Canada
Deal found 23/8C$ 706

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 August 2025.
Use the filters below to find and compare flights from Ontario to Ireland that are best for you.

Fly from

Ontario

Fly to

Ireland

Route

Depart

Return

Price

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 16/9

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

Nonstop6h 35m

Dublin

Sat 20/9

11:30 a.m.-2:15 p.m.

Nonstop7h 45m

C$ 536

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 15/9

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

Nonstop6h 35m

Dublin

Sat 20/9

11:30 a.m.-2:15 p.m.

Nonstop7h 45m

C$ 536

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sun 14/9

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

Nonstop6h 35m

Dublin

Mon 22/9

9:45 a.m.-8:00 p.m.

1 stop15h 15m

C$ 546

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 30/9

2:30 p.m.-9:00 a.m.

1 stop13h 30m

Dublin

Thu 9/10

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

1 stop12h 10m

C$ 550

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Wed 29/10

8:40 p.m.-10:15 a.m.

1 stop9h 35m

Dublin

Wed 5/11

11:30 a.m.-6:15 p.m.

1 stop11h 45m

C$ 557

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Fri 19/9

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

Nonstop6h 50m

Dublin

Mon 27/4

11:20 a.m.-1:55 p.m.

Nonstop7h 35m

C$ 564

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Thu 18/9

10:40 p.m.-10:30 a.m.

Nonstop6h 50m

Dublin

Tue 28/4

11:20 a.m.-1:55 p.m.

Nonstop7h 35m

C$ 564

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Thu 18/9

10:40 p.m.-10:30 a.m.

Nonstop6h 50m

Dublin

Wed 29/4

11:20 a.m.-1:55 p.m.

Nonstop7h 35m

C$ 564

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Thu 18/9

10:40 p.m.-10:30 a.m.

Nonstop6h 50m

Dublin

Mon 27/4

11:20 a.m.-1:55 p.m.

Nonstop7h 35m

C$ 564

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sun 9/11

7:40 p.m.-10:15 a.m.

1 stop9h 35m

Dublin

Mon 17/11

11:30 a.m.-6:15 p.m.

1 stop11h 45m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/8

Showing 1-10 of 60 results
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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.
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

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$ 458). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 760). 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?

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 25 August 2025.

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 25 August 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Ontario to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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$ 235), Porter Airlines (C$ 235), and WestJet (C$ 352).

  • 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$ 458). Flying from Region of Ontario to Ireland in December is currently the most expensive (average of C$ 760). 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

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.
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Top 10 airlines flying from Ontario to Ireland

Discover the top 10 airlines that operate flights from Ontario to Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 25 August 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 326AverageC$ 494FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Porter AirlinesCheapestC$ 399AverageC$ 744FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 416AverageC$ 871FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 421AverageC$ 981FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapestC$ 426AverageC$ 776FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapestC$ 440AverageC$ 991FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapestC$ 501AverageC$ 988FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 528AverageC$ 777FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 553AverageC$ 703FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 562AverageC$ 726FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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