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Cheap flights from Ireland to Ontario from C$ 369

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
14 ene. — 21 ene.1
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 diciembre 2025.

vie. 26/129:00 a.m.DUB - YOW
1 stop12h 33mAir Canada
vie. 9/15:00 a.m.YOW - DUB
1 stop21h 10mAir Canada
Deal found 13/12C$ 851
mié. 24/1210:40 a.m.DUB - YYZ
1 stop17h 29mMultiple Airlines
vie. 16/18:25 p.m.YYZ - DUB
1 stop11h 10mMultiple Airlines
Deal found 15/12C$ 858
vie. 26/129:00 a.m.DUB - YYZ
Nonstop7h 15mAir Canada
vie. 9/17:35 p.m.YYZ - DUB
Nonstop6h 35mAir Canada
Deal found 13/12C$ 891
vie. 26/121:40 p.m.DUB - YYZ
2 stops25h 05mAmerican Airlines
jue. 1/17:30 a.m.YYZ - DUB
1 stop20h 10mAmerican Airlines
Deal found 13/12C$ 921
dom. 21/129:30 a.m.DUB - YYZ
1 stop18h 50mAir Canada
sáb. 10/15:30 p.m.YYZ - DUB
1 stop33h 40mAir Canada
Deal found 14/12C$ 924
vie. 26/1210:40 a.m.DUB - YYZ
1 stop18h 19mUnited Airlines
jue. 1/19:00 a.m.YYZ - DUB
1 stop18h 10mUnited Airlines
Deal found 13/12C$ 925
dom. 21/1210:40 a.m.DUB - YYZ
1 stop15h 41mUnited Airlines
dom. 28/126:50 a.m.YYZ - DUB
1 stop20h 20mUnited Airlines
Deal found 13/12C$ 929
mié. 24/129:00 a.m.DUB - YYZ
Nonstop7h 15mAir Canada
vie. 16/17:35 p.m.YYZ - DUB
Nonstop6h 35mAir Canada
Deal found 15/12C$ 938
vie. 26/129:30 a.m.DUB - YOW
1 stop11h 57mUnited Airlines
vie. 9/19:45 a.m.YOW - DUB
2 stops16h 45mUnited Airlines
Deal found 13/12C$ 954
mar. 23/1212:05 p.m.DUB - YUL
2 stops27h 05mUnited Airlines
jue. 1/16:00 a.m.YUL - DUB
1 stop21h 10mUnited Airlines
Deal found 15/12C$ 961
lun. 22/129:30 a.m.DUB - YYZ
2 stops27h 01mAir Canada
lun. 29/1210:45 a.m.YYZ - DUB
1 stop15h 45mAir Canada
Deal found 14/12C$ 961
vie. 26/129:00 a.m.DUB - YYZ
Nonstop7h 15mAir Canada
jue. 1/17:30 a.m.YYZ - DUB
1 stop19h 00mAir Canada
Deal found 13/12C$ 964

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 diciembre 2025.

Round-trip from

C$ 639

One-way from

C$ 369

Popular in

June

Cheapest in

February

Average price

C$ 980

Good round-trip deal

C$ 985 or less

Good one-way deal

C$ 430 or less
Air Canada
  • Air Canada
  • 26/1-12/2
  • 1 total stop
  • 22h 10m total
  • Ireland to Ontario
Search Deals
WestJet
  • WestJet
  • 9/5
  • 1 total stop
  • 12h 20m total
  • Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (C$ 535 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (C$ 166 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 diciembre 2025.
Use the filters below to find and compare flights from Ireland to Ontario that are best for you.

Fly from

Ireland

Fly to

Ontario

Route

Depart

Return

Price

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

mar. 3/2

9:10 a.m.-4:15 p.m.

1 stop12h 05m

Toronto Pearson Intl

mar. 17/2

7:35 p.m.-7:10 a.m.

Nonstop6h 35m

C$ 640

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

jue. 29/1

5:00 a.m.-5:55 p.m.

2 stops17h 55m

Toronto Island

jue. 12/2

10:45 a.m.-12:30 p.m.

2 stops20h 45m

C$ 640

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

vie. 23/1

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

1 stop16h 05m

Toronto Pearson Intl

dom. 25/1

7:35 p.m.-7:10 a.m.

Nonstop6h 35m

C$ 640

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

jue. 29/1

11:45 a.m.-7:45 p.m.

1 stop13h 00m

Toronto Pearson Intl

jue. 12/2

6:15 p.m.-4:25 p.m.

1 stop17h 10m

C$ 647

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

jue. 29/1

5:00 a.m.-2:55 p.m.

2 stops14h 55m

Toronto Island

jue. 5/2

10:45 a.m.-11:10 a.m.

2 stops19h 25m

C$ 649

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

jue. 22/1

6:35 p.m.-5:55 p.m.

2 stops28h 20m

Toronto Island

lun. 26/1

12:30 p.m.-12:05 p.m.

2 stops18h 35m

C$ 651

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

mar. 27/1

12:55 p.m.-5:55 p.m.

2 stops34h 00m

Toronto Island

mar. 3/2

12:30 p.m.-12:00 p.m.

2 stops18h 30m

C$ 651

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

mar. 20/1

12:55 p.m.-5:55 p.m.

2 stops34h 00m

Toronto Island

mar. 27/1

12:30 p.m.-12:00 p.m.

2 stops18h 30m

C$ 651

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

sáb. 18/4

8:45 a.m.-4:20 p.m.

1 stop12h 35m

Toronto Pearson Intl

sáb. 25/4

8:20 p.m.-4:55 p.m.

1 stop15h 35m

C$ 651

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

mar. 20/1

12:55 p.m.-4:25 p.m.

1 stop32h 30m

Toronto Pearson Intl

mar. 27/1

2:00 p.m.-12:00 p.m.

2 stops17h 00m

C$ 655

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 60 results
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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, February is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 443). Flying from Ireland to Region of Ontario in July is currently the most expensive (average of C$ 677). 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 diciembre 2025.

It’s optimal to fly from Ireland to Region of Ontario in the evening. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the morning.

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 diciembre 2025.

The most flights from IE0 to CAON are scheduled on a Monday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 diciembre 2025.
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
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
483 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Aer Lingus
7.2
Good
1,392 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,202 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,527 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Icelandair
7.0
Good
590 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Crew

8.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 12h 05m. Lufthansa provides one of the quickest options available for as low as C$ 640. 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$ 184 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 Icelandair, with prices starting from C$ 280 and C$ 344, 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, February is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 443). Flying from Ireland to Region of Ontario in July is currently the most expensive (average of C$ 677). 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 Ireland to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ireland to Ontario

Discover the top 6 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 diciembre 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 456AverageC$ 593FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapestC$ 514AverageC$ 689FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 545AverageC$ 740FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 565AverageC$ 824FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Aer LingusCheapestC$ 566AverageC$ 803FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 636AverageC$ 905FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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