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Cheap flights from Ireland to Ontario from C$ 281

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 26/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Ontario
Explore the most affordable flight options available from Ireland to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 June 2026.

Thu 2/79:40 a.m.
DUB
-
YYZ
1 stop12h 35m
WestJet
Mon 13/710:55 p.m.
YYZ
-
DUB
Nonstop6h 50m
WestJet
Deal found 11/6C$ 562
Mon 22/69:40 a.m.
DUB
-
YYZ
1 stop10h 20m
Multiple Airlines
Wed 8/79:55 p.m.
YYZ
-
DUB
1 stop13h 25m
Multiple Airlines
Deal found 13/6C$ 564
Sat 11/711:20 a.m.
DUB
-
YYZ
Nonstop7h 40m
WestJet
Mon 20/710:55 p.m.
YYZ
-
DUB
Nonstop6h 50m
WestJet
Deal found 12/6C$ 566
Mon 22/69:40 a.m.
DUB
-
YYZ
1 stop10h 20m
Multiple Airlines
Mon 6/710:10 p.m.
YYZ
-
DUB
1 stop21h 05m
Multiple Airlines
Deal found 13/6C$ 568
Mon 22/69:40 a.m.
DUB
-
YYZ
1 stop10h 20m
Multiple Airlines
Sun 5/710:10 p.m.
YYZ
-
DUB
1 stop20h 05m
Multiple Airlines
Deal found 13/6C$ 569
Thu 2/79:40 a.m.
DUB
-
YYZ
1 stop12h 35m
WestJet
Wed 15/77:35 a.m.
YYZ
-
DUB
1 stop19h 45m
WestJet
Deal found 14/6C$ 571
Fri 26/612:15 p.m.
DUB
-
YYZ
Nonstop7h 40m
Multiple Airlines
Sun 5/710:10 p.m.
YYZ
-
DUB
1 stop20h 05m
Multiple Airlines
Deal found 11/6C$ 572
Wed 5/89:40 a.m.
DUB
-
YYZ
1 stop10h 20m
WestJet
Sat 15/811:05 p.m.
YYZ
-
DUB
Nonstop6h 50m
WestJet
Deal found 14/6C$ 575
Sat 27/611:20 a.m.
DUB
-
YYZ
Nonstop7h 40m
Multiple Airlines
Wed 8/710:10 p.m.
YYZ
-
DUB
1 stop20h 45m
Multiple Airlines
Deal found 10/6C$ 576
Fri 26/612:15 p.m.
DUB
-
YYZ
Nonstop7h 40m
Multiple Airlines
Mon 6/710:10 p.m.
YYZ
-
DUB
1 stop21h 05m
Multiple Airlines
Deal found 13/6C$ 578
Thu 18/610:00 a.m.
DUB
-
YYZ
1 stop12h 10m
WestJet
Wed 12/84:15 p.m.
YYZ
-
DUB
1 stop11h 05m
WestJet
Deal found 10/6C$ 580
Tue 11/810:40 a.m.
DUB
-
YYZ
Nonstop7h 40m
Multiple Airlines
Tue 18/810:15 p.m.
YYZ
-
DUB
1 stop13h 55m
Multiple Airlines
Deal found 15/6C$ 583

Find flight deals from Ireland to Ontario

Keep the following information in mind while searching for Ireland to Ontario flight deals. Data was last updated 15 June 2026.

Round-trip from

C$ 562

One-way from

C$ 281

Popular in

December

Cheapest in

November

Average price

C$ 740

Good round-trip deal

C$ 747 or less

Good one-way deal

C$ 389 or less
WestJet
  • WestJet
  • 2/7-13/7
  • 1 total stop
  • 19h 25m total
  • Ireland to Ontario
Search Deals
WestJet
  • WestJet
  • 26/6
  • Nonstop
  • 7h 40m total
  • Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 101 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Ontario.
Search Deals
Price to beat on a one-way flight from Ireland to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland to Ontario 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 15 June 2026.
Use the filters below to find and compare flights from Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 21/8

10:40 a.m.-1:20 p.m.

Nonstop7h 40m

Toronto Pearson Intl

Mon 24/8

6:20 p.m.-8:40 a.m.

1 stop9h 20m

C$ 678

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 20/11

5:10 a.m.-4:15 p.m.

1 stop16h 05m

Toronto Pearson Intl

Thu 3/12

7:45 p.m.-7:10 a.m.

Nonstop6h 25m

C$ 703

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Wed 16/9

5:55 a.m.-4:20 p.m.

1 stop15h 25m

Toronto Pearson Intl

Sun 20/9

2:00 p.m.-7:45 a.m.

1 stop12h 45m

C$ 716

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 27/8

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

1 stop12h 50m

Toronto Pearson Intl

Mon 31/8

8:45 p.m.-1:15 p.m.

1 stop11h 30m

C$ 720

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 19/10

10:40 a.m.-6:30 p.m.

1 stop12h 50m

Toronto Pearson Intl

Mon 26/10

10:25 p.m.-5:10 p.m.

2 stops14h 45m

C$ 768

DublinHamilton

DUB - YHM

DUBYHM

Dublin

Thu 2/7

9:40 a.m.-8:30 p.m.

2 stops15h 50m

Hamilton

Tue 14/7

10:25 a.m.-8:20 a.m.

2 stops16h 55m

C$ 779

DublinHamilton

DUB - YHM

DUBYHM

Dublin

Thu 2/7

9:40 a.m.-8:30 p.m.

2 stops15h 50m

Hamilton

Wed 15/7

8:50 a.m.-8:20 a.m.

1 stop18h 30m

C$ 783

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Wed 11/11

12:05 p.m.-6:45 p.m.

1 stop11h 40m

Toronto Island

Sat 21/11

2:55 p.m.-10:20 a.m.

1 stop14h 25m

C$ 793

ShannonToronto

SNN - YYZ

SNNYYZ

Shannon

Thu 2/7

9:15 p.m.-8:10 p.m.

1 stop27h 55m

Toronto Pearson Intl

Mon 6/7

6:05 p.m.-11:20 a.m.

1 stop12h 15m

C$ 796

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 1/10

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

1 stop14h 56m

Toronto Island

Thu 15/10

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

1 stop14h 25m

C$ 797

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight from Ireland to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Ireland 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 Ireland to Ontario

What is the cheapest month to book a flight from Ireland to Region of Ontario?

Currently, May is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 319). Flying from Ireland to Region of Ontario in December is currently the most expensive (average of C$ 3,179). 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 IE to ON?

Find hourly flight availability from Ireland to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 June 2026.

When flying from Ireland to Region of Ontario, 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 Ireland to Region of Ontario

Explore weekly flight availability from Ireland to Ontario. 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 15 June 2026.

The most flights from IE0 to CAON are scheduled on a Tuesday (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 Ireland to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Ireland to Region of Ontario, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 15 June 2026.
Check out reviews from past customers who have flown with Air Transat,Aer Lingus, andWestJet from Ireland to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
555 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Aer Lingus
7.3
Good
1,603 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,361 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
11,194 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Icelandair
7.0
Good
675 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Overall

7.8

Entertainment

7.1

Comfort

7.3

Food

6.8

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Ontario. 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 Ireland to Region of Ontario?

    A quick flight from Ireland to Region of Ontario can take about 7h 40m. WestJet provides one of the quickest options available for as low as C$ 678. There are 5258 km between Ireland and Region of Ontario. 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 Ireland to Region of Ontario one-way?

    C$ 187 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Aer Lingus, with prices starting from C$ 304 and C$ 568, respectively.

  • Can I find deals for flights from Ireland to Ontario that include hotel bookings?

    Yes. In addition to deals on Ireland to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Ontario.

  • Can I find deals for business class flights from Ireland to Ontario?

    Yes. Cheapflights offers flight deals from Ireland to Ontario 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 Ireland to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 319). Flying from Ireland to Region of Ontario in December is currently the most expensive (average of C$ 3,179). 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

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Alternative routes for Ireland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Ireland to Ontario

Discover the top 7 airlines that operate flights from Ireland to Ontario. 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 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 527AverageC$ 583FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapestC$ 546AverageC$ 744FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 553AverageC$ 876FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 624AverageC$ 843FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 653AverageC$ 890FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 709AverageC$ 1,123FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 760AverageC$ 997FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Ireland to Ontario?

Cheapflights helps you search for flights from Ireland to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ireland to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Ireland.

Can Cheapflights find flights from Ireland to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Ontario become cheaper?

Of course! You can now track prices for flights from Ireland to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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