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Cheap flights from Ireland to Ontario from C$ 297

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — YYZ
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 617

One-way from

C$ 297

Popular in

June

Cheapest in

November

Average price

C$ 2,145

Good round-trip deal

C$ 765 or less

Good one-way deal

C$ 406 or less
Icelandair
  • Icelandair
  • 14/10-20/10
  • 2 total stops
  • 21h 20m total
  • Ireland to Ontario
Search Deals
WestJet
  • WestJet
  • 19/6
  • 1 total stop
  • 12h 06m total
  • Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 32% potential increase in price (C$ 539 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 17% potential price decrease (C$ 165 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 12 June 2025.

Thu 19/69:20 a.m.DUB - YYZ
1 stop10h 15mAir Canada
Tue 24/68:40 p.m.YYZ - DUB
Nonstop6h 35mAir Canada
Deal found 10/6C$ 615
Thu 19/69:20 a.m.DUB - YTZ
2 stops14h 16mAir Canada
Wed 25/64:20 p.m.YTZ - DUB
2 stops10h 25mAir Canada
Deal found 10/6C$ 615
Tue 14/102:15 p.m.DUB - YYZ
1 stop9h 55mIcelandair
Sun 19/108:50 p.m.YYZ - DUB
1 stop11h 25mIcelandair
Deal found 12/6C$ 617
Fri 12/95:55 a.m.DUB - YYZ
1 stop15h 25mLufthansa
Mon 22/98:40 p.m.YYZ - DUB
Nonstop6h 35mLufthansa
Deal found 10/6C$ 619
Thu 26/69:20 a.m.DUB - YTZ
1 stop10h 26mMultiple Airlines
Mon 30/65:25 p.m.YTZ - DUB
1 stop9h 20mMultiple Airlines
Deal found 10/6C$ 619
Thu 19/69:50 a.m.DUB - YYZ
Nonstop7h 05mMultiple Airlines
Wed 25/65:00 p.m.YYZ - DUB
1 stop9h 45mMultiple Airlines
Deal found 12/6C$ 628
Thu 18/91:15 p.m.DUB - YYZ
Nonstop7h 35mAer Lingus
Thu 25/95:20 p.m.YYZ - DUB
Nonstop6h 35mAer Lingus
Deal found 11/6C$ 641
Tue 1/710:00 a.m.DUB - YYZ
1 stop17h 58mAir France
Mon 7/711:30 p.m.YYZ - DUB
1 stop10h 30mAir France
Deal found 11/6C$ 643
Wed 10/91:15 p.m.DUB - YOW
1 stop12h 21mAir Transat
Sun 14/97:00 a.m.YOW - DUB
1 stop23h 30mAir Transat
Deal found 10/6C$ 652
Mon 15/91:15 p.m.DUB - YYZ
Nonstop7h 35mAir Transat
Sat 20/911:55 p.m.YYZ - DUB
Nonstop6h 35mAir Transat
Deal found 12/6C$ 654
Fri 12/911:45 a.m.DUB - YYZ
2 stops16h 18mAmerican Airlines
Fri 19/96:05 p.m.YYZ - DUB
1 stop17h 15mAmerican Airlines
Deal found 12/6C$ 659
Sat 11/108:40 a.m.DUB - YYZ
1 stop33h 10mSWISS
Sun 19/105:45 p.m.YYZ - DUB
2 stops43h 05mSWISS
Deal found 12/6C$ 685

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 12 June 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

Tue 14/10

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

1 stop9h 55m

Toronto Pearson Intl

Sun 19/10

8:50 p.m.-1:15 p.m.

1 stop11h 25m

C$ 617

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Thu 18/9

9:20 a.m.-5:45 p.m.

1 stop13h 25m

Toronto Island

Wed 24/9

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

1 stop14h 20m

C$ 618

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 12/9

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

1 stop15h 25m

Toronto Pearson Intl

Mon 22/9

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

Nonstop6h 35m

C$ 619

DublinToronto

DUB - YTZ

DUBYTZ

Dublin

Tue 1/7

9:20 a.m.-2:46 p.m.

1 stop10h 26m

Toronto Island

Mon 7/7

5:25 p.m.-7:45 a.m.

1 stop9h 20m

C$ 621

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Thu 26/6

9:20 a.m.-2:35 p.m.

1 stop10h 15m

Toronto Pearson Intl

Fri 4/7

5:00 p.m.-7:45 a.m.

1 stop9h 45m

C$ 623

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Fri 10/10

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

Nonstop7h 35m

Toronto Pearson Intl

Sun 19/10

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

Nonstop6h 35m

C$ 634

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Tue 1/7

10:00 a.m.-10:58 p.m.

1 stop17h 58m

Toronto Pearson Intl

Mon 7/7

11:30 p.m.-3:00 p.m.

1 stop10h 30m

C$ 643

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Sun 21/9

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

1 stop34h 25m

Toronto Pearson Intl

Sun 28/9

5:10 p.m.-11:30 a.m.

2 stops13h 20m

C$ 645

DublinToronto

DUB - YYZ

DUBYYZ

Dublin

Mon 23/6

9:20 a.m.-3:35 p.m.

1 stop11h 15m

Toronto Pearson Intl

Wed 2/7

12:00 p.m.-7:45 a.m.

1 stop14h 45m

C$ 647

DublinOttawa

DUB - YOW

DUBYOW

Dublin

Wed 10/9

1:15 p.m.-8:36 p.m.

1 stop12h 21m

Ottawa

Sun 14/9

7:00 a.m.-11:30 a.m.

1 stop23h 30m

C$ 652

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 50 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, 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$ 255). 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 12 June 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 12 June 2025.

The most flights from IE0 to CAON are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (7 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 12 June 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
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
4.0
Okay

Peter,Oct 2023

MSP - GEG

The amount of carry on is put of control. We were in group 3 boarding and there was no room in upper storage for our 1 bag (between 2 people) Just because we can’t afford to up grade our seats… $2000 more. We get penaltized. Make us feel less than

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$ 297 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and Air Transat, with prices starting from C$ 349 and C$ 410, 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$ 255). 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 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapestC$ 432AverageC$ 682FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 509AverageC$ 692FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 547AverageC$ 767FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 548AverageC$ 743FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 562AverageC$ 822FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 604AverageC$ 965FlexibilityNo 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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