Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ontario to Ireland from C$ 343

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DUB
27 Apr — 4 May1
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 22 April 2025.

Round-trip from

C$ 553

One-way from

C$ 344

Popular in

December

Cheapest in

November

Average price

C$ 763

Good round-trip deal

C$ 603 or less

Good one-way deal

C$ 385 or less
WestJet
  • WestJet
  • 3/6-10/6
  • 2 total stops
  • 20h 30m total
  • Ontario to Ireland
WestJet
  • WestJet
  • 15/6
  • 1 total stop
  • 12h 55m total
  • Ontario to Ireland
Highest demand for flights based on searches. 2% potential increase in price (C$ 21 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 27 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Ontario to Ireland.
Price to beat on a one-way flight from Ontario to Ireland.

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 22 April 2025.

Tue 7/1011:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Fri 17/101:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Deal found 22/4C$ 543
Sat 26/710:10 p.m.YYZ - DUB
Nonstop6h 50mWestJet
Thu 7/89:45 a.m.DUB - YYZ
1 stop12h 06mWestJet
Deal found 21/4C$ 549
Mon 9/611:55 p.m.YYZ - DUB
Nonstop6h 35mPorter Airlines
Tue 17/61:15 p.m.DUB - YYZ
Nonstop7h 35mPorter Airlines
Deal found 21/4C$ 568
Tue 30/98:50 p.m.YYZ - DUB
1 stop9h 15mIcelandair
Thu 9/102:15 p.m.DUB - YYZ
1 stop9h 55mIcelandair
Deal found 20/4C$ 633
Tue 10/612:55 p.m.YYZ - DUB
1 stop15h 05mMultiple Airlines
Wed 18/610:20 a.m.DUB - YYZ
1 stop11h 31mMultiple Airlines
Deal found 20/4C$ 634
Sun 7/912:25 p.m.YTZ - DUB
1 stop14h 20mAir Canada
Mon 15/99:20 a.m.DUB - YTZ
1 stop10h 25mAir Canada
Deal found 21/4C$ 670
Sun 7/94:30 p.m.YYZ - DUB
1 stop10h 15mLufthansa
Sat 27/99:50 a.m.DUB - YYZ
Nonstop7h 05mLufthansa
Deal found 21/4C$ 680
Fri 12/96:00 p.m.YYZ - DUB
1 stop8h 45mAir Canada
Sat 27/99:20 a.m.DUB - YYZ
1 stop10h 14mAir Canada
Deal found 22/4C$ 704
Sat 17/55:25 p.m.YYZ - DUB
Nonstop6h 30mAer Lingus
Mon 9/61:15 p.m.DUB - YYZ
Nonstop7h 25mAer Lingus
Deal found 21/4C$ 753
Mon 9/612:25 p.m.YTZ - DUB
2 stops18h 45mMultiple Airlines
Tue 17/69:20 a.m.DUB - YTZ
2 stops14h 17mMultiple Airlines
Deal found 21/4C$ 758
Sun 5/1010:05 a.m.YYZ - DUB
1 stop16h 05mUnited Airlines
Sun 12/1012:30 p.m.DUB - YYZ
1 stop11h 35mUnited Airlines
Deal found 21/4C$ 767
Tue 20/510:45 p.m.YYZ - SNN
1 stop16h 35mMultiple Airlines
Tue 27/512:45 p.m.SNN - YYZ
1 stop31h 55mMultiple Airlines
Deal found 22/4C$ 811

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 22 April 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 7/10

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

Nonstop6h 35m

Dublin

Fri 17/10

1:15 p.m.-3:50 p.m.

Nonstop7h 35m

C$ 543

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sat 26/7

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

Nonstop6h 50m

Dublin

Thu 7/8

9:45 a.m.-4:51 p.m.

1 stop12h 06m

C$ 549

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 9/6

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

Nonstop6h 35m

Dublin

Tue 17/6

1:15 p.m.-3:50 p.m.

Nonstop7h 35m

C$ 568

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 30/9

8:50 p.m.-11:05 a.m.

1 stop9h 15m

Dublin

Thu 9/10

2:15 p.m.-7:10 p.m.

1 stop9h 55m

C$ 633

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 10/6

12:55 p.m.-9:00 a.m.

1 stop15h 05m

Dublin

Wed 18/6

10:20 a.m.-4:51 p.m.

1 stop11h 31m

C$ 634

TorontoDublin

YTZ - DUB

YTZDUB

Toronto Island

Sun 7/9

12:25 p.m.-7:45 a.m.

1 stop14h 20m

Dublin

Mon 15/9

9:20 a.m.-2:45 p.m.

1 stop10h 25m

C$ 670

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sun 7/9

4:30 p.m.-7:45 a.m.

1 stop10h 15m

Dublin

Sat 27/9

9:50 a.m.-11:55 a.m.

Nonstop7h 05m

C$ 680

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Fri 12/9

6:00 p.m.-7:45 a.m.

1 stop8h 45m

Dublin

Sat 27/9

9:20 a.m.-2:34 p.m.

1 stop10h 14m

C$ 704

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sat 17/5

5:25 p.m.-4:55 a.m.

Nonstop6h 30m

Dublin

Mon 9/6

1:15 p.m.-3:40 p.m.

Nonstop7h 25m

C$ 753

TorontoDublin

YTZ - DUB

YTZDUB

Toronto Island

Mon 9/6

12:25 p.m.-12:10 p.m.

2 stops18h 45m

Dublin

Tue 17/6

9:20 a.m.-6:37 p.m.

2 stops14h 17m

C$ 758

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 60 results
1
2
3
...
6

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 22 April 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 22 April 2025.

The most flights from CAON to IE0 are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Ireland by month

Plan your trip to Ireland by taking into account the average rainfall totals by month.

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.

Temperature in Ireland by month

Plan your trip to Ireland by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 22 April 2025.
Read through reviews of airlines operating flights from Ontario to Ireland, such as Delta, Porter Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

F.DAVID,Sep 2023

CDG - ATL

La attenzione in volo e sta gentilissima e il personale molto competente.

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.
  • 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 WestJet (C$ 344), Air Transat (C$ 445), and Air Canada (C$ 604).

  • 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.

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 22 April 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 326AverageC$ 500FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Air CanadaCheapestC$ 426AverageC$ 1,039FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapestC$ 426AverageC$ 776FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapestC$ 447AverageC$ 993FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJetCheapestC$ 452AverageC$ 762FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 466AverageC$ 865FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapestC$ 501AverageC$ 926FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Porter AirlinesCheapestC$ 522AverageC$ 782FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 536AverageC$ 804FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
IcelandairCheapestC$ 572AverageC$ 747FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.