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Cheap flights from Ontario to Ireland from C$ 355

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DUB
25 Feb — 4 Mar1
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 20 February 2025.

Round-trip from

C$ 460

One-way from

C$ 355

Popular in

December

Cheapest in

November

Average price

C$ 712

Good round-trip deal

C$ 644 or less

Good one-way deal

C$ 440 or less
PLAY
  • PLAY
  • 28/3-7/4
  • 2 total stops
  • 21h 30m total
  • Ontario to Ireland
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WestJet
  • WestJet
  • 20/5
  • Nonstop
  • 6h 50m total
  • Ontario to Ireland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 21 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 February 2025
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

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 20 February 2025.

Fri 28/37:20 p.m.YHM - DUB
1 stop10h 20mPLAY
Mon 7/411:35 a.m.DUB - YHM
1 stop11h 10mPLAY
Deal found 20/2C$ 460
Mon 7/410:00 p.m.YYZ - DUB
Nonstop7h 00mWestJet
Mon 28/411:30 a.m.DUB - YYZ
Nonstop7h 40mWestJet
Deal found 20/2C$ 560
Sun 1/611:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Tue 10/61:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Deal found 20/2C$ 598
Tue 6/511:55 p.m.YYZ - DUB
Nonstop6h 35mMultiple Airlines
Tue 13/511:30 a.m.DUB - YYZ
Nonstop7h 40mMultiple Airlines
Deal found 20/2C$ 632
Tue 27/511:55 p.m.YYZ - DUB
Nonstop6h 35mPorter Airlines
Mon 16/61:15 p.m.DUB - YYZ
Nonstop7h 35mPorter Airlines
Deal found 20/2C$ 636
Thu 22/58:40 p.m.YYZ - DUB
Nonstop6h 35mLufthansa
Mon 2/69:50 a.m.DUB - YYZ
Nonstop7h 05mLufthansa
Deal found 20/2C$ 695
Wed 7/511:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Thu 22/52:15 p.m.DUB - YYZ
1 stop12h 40mIcelandair
Deal found 20/2C$ 723
Fri 13/65:25 p.m.YYZ - DUB
Nonstop6h 30mAer Lingus
Sun 22/61:15 p.m.DUB - YYZ
Nonstop7h 25mAer Lingus
Deal found 20/2C$ 747
Thu 1/57:30 a.m.YYZ - DUB
1 stop18h 50mAir Canada
Thu 8/59:50 a.m.DUB - YYZ
Nonstop7h 05mAir Canada
Deal found 20/2C$ 764
Tue 27/54:20 p.m.YTZ - DUB
2 stops13h 00mAir Canada
Thu 19/69:20 a.m.DUB - YTZ
2 stops16h 16mAir Canada
Deal found 20/2C$ 767
Thu 1/53:00 p.m.YYZ - DUB
2 stops14h 20mUnited Airlines
Thu 8/58:50 a.m.DUB - YYZ
2 stops17h 55mUnited Airlines
Deal found 20/2C$ 783
Mon 7/47:00 p.m.YHM - DUB
2 stops21h 45mMultiple Airlines
Mon 14/43:20 p.m.DUB - YHM
2 stops31h 25mMultiple Airlines
Deal found 20/2C$ 784

Find flights from Ontario to Ireland within your budget

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 20 February 2025.

Fly from

Ontario

Fly to

Ireland

Route

Depart

Return

Price

HamiltonDublin

YHM - DUB

YHMDUB

Hamilton

Fri 28/3

7:20 p.m.-9:40 a.m.

1 stop10h 20m

Dublin

Mon 7/4

11:35 a.m.-5:45 p.m.

1 stop11h 10m

C$ 460

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 7/4

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

Nonstop7h 00m

Dublin

Mon 28/4

11:30 a.m.-2:10 p.m.

Nonstop7h 40m

C$ 560

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Sat 17/5

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

Nonstop6h 35m

Dublin

Mon 9/6

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

Nonstop7h 35m

C$ 608

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Tue 6/5

10:45 p.m.-2:30 p.m.

1 stop10h 45m

Dublin

Tue 13/5

11:30 a.m.-2:10 p.m.

Nonstop7h 40m

C$ 635

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 12/5

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

Nonstop6h 35m

Dublin

Wed 21/5

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

Nonstop7h 05m

C$ 695

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Wed 7/5

11:00 p.m.-11:05 a.m.

1 stop31h 05m

Dublin

Thu 22/5

2:15 p.m.-9:55 p.m.

1 stop12h 40m

C$ 723

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 5/5

8:00 p.m.-11:10 a.m.

1 stop10h 10m

Dublin

Thu 15/5

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

Nonstop7h 05m

C$ 736

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Thu 8/5

8:15 p.m.-7:55 a.m.

1 stop30h 40m

Dublin

Tue 13/5

1:00 p.m.-4:25 p.m.

1 stop32h 25m

C$ 746

TorontoDublin

YTZ - DUB

YTZDUB

Toronto Island

Tue 27/5

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

2 stops13h 00m

Dublin

Thu 19/6

9:20 a.m.-8:36 p.m.

2 stops16h 16m

C$ 767

TorontoDublin

YYZ - DUB

YYZDUB

Toronto Pearson Intl

Mon 5/5

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

2 stops15h 00m

Dublin

Mon 26/5

8:50 a.m.-5:09 p.m.

1 stop13h 19m

C$ 783

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 58 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.

Travel insights for flights from Ontario to Ireland

Get recent, data-driven insights about flights from Ontario to Ireland including ideal travel times, pricing trends, and more.

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 20 February 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 20 February 2025.

The most flights from CAON to IE0 are scheduled on a Thursday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 20 February 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.
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Delta
8.0
Very good
8,219 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

Azores Airlines
7.6
Good
62 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Food

7.3

Boarding

8.2

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.9

Reviews

1 / 20

8.0
Excellent

Rona,Feb 2024

MSP - DEN

It was a good experience other than a short delay.

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$ 355), Porter Airlines (C$ 392), and TAP AIR PORTUGAL (C$ 429).

  • 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

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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.
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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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 335AverageC$ 506FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Aer LingusCheapestC$ 438AverageC$ 792FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 444AverageC$ 1,098FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 477AverageC$ 1,012FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 479AverageC$ 888FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 486AverageC$ 779FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 515AverageC$ 1,040FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapestC$ 530AverageC$ 671FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapestC$ 537AverageC$ 577FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Air TransatCheapestC$ 561AverageC$ 826FlexibilityNo cancel feeOn-time50%
Search Air Transat 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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