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Cheap flights from Ireland to Ontario from C$ 298

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.
DUB — YYZ
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Ireland to Ontario

Keep the following information in mind while searching for Ireland to Ontario flight deals. Data was last updated 21 February 2025.

Round-trip from

C$ 398

One-way from

C$ 298

Popular in

December

Cheapest in

November

Average price

C$ 709

Good round-trip deal

C$ 713 or less

Good one-way deal

C$ 349 or less
PLAY
  • PLAY
  • 4/4-9/4
  • 2 total stops
  • 21h 25m total
  • Ireland to Ontario
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WestJet
  • WestJet
  • 10/6
  • 1 total stop
  • 12h 10m total
  • Ireland to Ontario
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 21 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 Ireland to Ontario.
Search Deals
Price to beat on a one-way flight from Ireland to Ontario.
Search Deals

Find flight deals from Ireland to Ontario

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 21 February 2025.

Fri 4/411:35 a.m.DUB - YHM
1 stop11h 10mPLAY
Wed 9/47:00 p.m.YHM - DUB
1 stop10h 15mPLAY
Deal found 20/2C$ 398
Sun 2/39:00 a.m.DUB - YYZ
Nonstop7h 15mLufthansa
Tue 11/37:35 p.m.YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 20/2C$ 560
Wed 2/47:05 p.m.DUB - YYZ
1 stop25h 35mScandinavian Airlines
Mon 14/45:10 p.m.YYZ - DUB
1 stop20h 05mScandinavian Airlines
Deal found 19/2C$ 561
Sun 2/39:00 a.m.DUB - YYZ
Nonstop7h 15mMultiple Airlines
Tue 11/39:30 p.m.YYZ - DUB
1 stop16h 20mMultiple Airlines
Deal found 20/2C$ 562
Tue 13/511:30 a.m.DUB - YYZ
Nonstop7h 40mWestJet
Tue 10/610:10 p.m.YYZ - DUB
Nonstop6h 50mWestJet
Deal found 19/2C$ 580
Wed 5/35:25 p.m.DUB - YYZ
1 stop30h 50mKLM
Tue 11/310:15 p.m.YYZ - DUB
1 stop14h 25mKLM
Deal found 19/2C$ 605
Wed 3/912:15 p.m.DUB - YYZ
1 stop11h 55mIcelandair
Mon 8/911:00 p.m.YYZ - DUB
1 stop31h 05mIcelandair
Deal found 19/2C$ 608
Wed 3/91:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Mon 8/911:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 19/2C$ 642
Mon 10/31:05 p.m.DUB - YYZ
Nonstop7h 45mAer Lingus
Sun 16/36:35 p.m.YYZ - DUB
Nonstop6h 40mAer Lingus
Deal found 20/2C$ 645
Mon 10/36:15 a.m.DUB - YHM
2 stops15h 55mMultiple Airlines
Wed 19/37:20 p.m.YHM - DUB
2 stops18h 00mMultiple Airlines
Deal found 19/2C$ 669
Sun 6/412:45 p.m.DUB - YUL
1 stop12h 30mBritish Airways
Sun 13/410:00 p.m.YUL - DUB
1 stop11h 15mBritish Airways
Deal found 19/2C$ 703
Mon 1/99:20 a.m.DUB - YTZ
1 stop12h 26mAir Canada
Sun 7/96:25 p.m.YTZ - DUB
1 stop8h 20mAir Canada
Deal found 19/2C$ 703

Find flights from Ireland to Ontario within your budget

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 21 February 2025.

Fly from

Ireland

Fly to

Ontario

Route

Depart

Return

Price

DublinHamilton

DUB - YHM

DUBYHM

Dublin

Fri 4/4

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

1 stop11h 10m

Hamilton

Wed 9/4

7:00 p.m.-10:15 a.m.

1 stop10h 15m

C$ 398

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sun 2/3

9:00 a.m.-11:15 a.m.

Nonstop7h 15m

Toronto Pearson Intl

Tue 11/3

7:35 p.m.-6:10 a.m.

Nonstop6h 35m

C$ 560

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Wed 2/4

7:05 p.m.-3:40 p.m.

1 stop25h 35m

Toronto Pearson Intl

Mon 14/4

5:10 p.m.-6:15 p.m.

1 stop20h 05m

C$ 561

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sun 2/3

9:00 a.m.-11:15 a.m.

Nonstop7h 15m

Toronto Pearson Intl

Tue 11/3

9:30 p.m.-5:50 p.m.

1 stop16h 20m

C$ 562

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 13/5

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

Nonstop7h 40m

Toronto Pearson Intl

Tue 10/6

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

Nonstop6h 50m

C$ 580

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Wed 5/3

5:25 p.m.-7:15 p.m.

1 stop30h 50m

Toronto Pearson Intl

Tue 11/3

10:15 p.m.-4:40 p.m.

1 stop14h 25m

C$ 605

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 3/3

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

1 stop11h 45m

Toronto Pearson Intl

Mon 6/10

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

1 stop31h 05m

C$ 628

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 10/3

1:05 p.m.-4:50 p.m.

Nonstop7h 45m

Toronto Pearson Intl

Sun 16/3

6:35 p.m.-5:15 a.m.

Nonstop6h 40m

C$ 645

DublinHamilton

DUB - YHM

DUBYHM

Dublin

Sun 6/4

8:45 p.m.-5:45 p.m.

2 stops26h 00m

Hamilton

Sun 13/4

7:00 p.m.-7:15 p.m.

2 stops19h 15m

C$ 676

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 12/5

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

Nonstop7h 35m

Toronto Pearson Intl

Thu 15/5

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

Nonstop6h 35m

C$ 692

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 55 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.

Travel insights for flights from Ireland to Ontario

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 167). Flying from Ireland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 21 February 2025.

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 21 February 2025.

The most flights from IE0 to CAON are scheduled on a Wednesday (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 Ontario by month

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

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 21 February 2025.
Read through reviews of airlines operating flights from Ireland to Ontario, such as Delta, KLM and Air Transat. 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

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • What are the cheapest airlines to fly from Ireland to Region of Ontario one-way?

    C$ 298 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on PLAY and TAP AIR PORTUGAL, with prices starting from C$ 494 and C$ 514, 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, January is the cheapest month in which you can book a flight from Ireland to Region of Ontario (average of C$ 167). Flying from Ireland to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 379AverageC$ 496FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapestC$ 449AverageC$ 709FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapestC$ 509AverageC$ 796FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 527AverageC$ 693FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 551AverageC$ 809FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapestC$ 587AverageC$ 848FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 607AverageC$ 1,004FlexibilityNo 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.

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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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