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Cheap flights from Ireland to Ontario from C$ 502

DUB — YYZ
4 Dec — 11 Dec1
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

Mon 9/119:00 a.m. -
Nonstop7h 10m
Sun 15/117:45 p.m. -
Nonstop6h 25m
Deal found 2/11C$ 726
Sun 8/119:00 a.m. -
Nonstop7h 10m
Sat 14/117:45 p.m. -
Nonstop6h 25m
Deal found 31/10C$ 727
Thu 12/119:10 a.m. -
1 stop12h 05m
Tue 24/116:15 p.m. -
1 stop11h 45m
Deal found 1/11C$ 729
Mon 16/119:00 a.m. -
Nonstop7h 10m
Sun 22/117:45 p.m. -
Nonstop6h 25m
Deal found 30/10C$ 733
Sat 7/119:00 a.m. -
Nonstop7h 10m
Fri 13/117:45 p.m. -
Nonstop6h 25m
Deal found 30/10C$ 738
Wed 18/1112:10 p.m. -
2 stops38h 26m
Wed 25/1110:45 a.m. -
2 stops19h 35m
Deal found 2/11C$ 740
Sat 21/119:00 a.m. -
Nonstop7h 10m
Wed 2/127:45 p.m. -
Nonstop6h 25m
Deal found 1/11C$ 741
Thu 12/119:00 a.m. -
Nonstop7h 10m
Sat 21/117:45 p.m. -
Nonstop6h 25m
Deal found 3/11C$ 743
Wed 18/1112:10 p.m. -
2 stops38h 26m
Fri 27/118:20 a.m. -
2 stops18h 10m
Deal found 2/11C$ 783
Fri 27/1112:05 p.m. -
2 stops27h 59m
Thu 3/126:50 a.m. -
2 stops23h 30m
Deal found 1/11C$ 796
Thu 12/111:35 p.m. -
2 stops23h 04m
Sat 21/1112:30 p.m. -
2 stops24h 15m
Deal found 3/11C$ 797
Thu 12/1112:05 p.m. -
2 stops24h 34m
Wed 25/1110:45 a.m. -
2 stops19h 35m
Deal found 3/11C$ 811

Find flight deals from Ireland to Ontario

Round-trip from

C$ 720

One-way from

C$ 502

Popular in

December

Cheapest in

February

Average price

C$ 750

Good round-trip deal

C$ 914 or less

Good one-way deal

C$ 661 or less
WestJet
  • WestJet
  • 29/4-28/5
  • Nonstop
  • 14h 30m total
  • Ireland to Ontario
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7/12-31/12
  • 7/12-31/12
  • 2 total stops
  • 35h 35m total
  • Ireland to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 73 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Ireland to Ontario.
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Price to beat on a one-way flight from Ireland to Ontario.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ireland to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinToronto

DUB Dublin - YTZ Toronto Island

DUBYTZ

Dublin

Sun 22/11

8:25 a.m.-6:04 p.m.

2 stops38h 39m

Toronto Island

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 529

ShannonToronto

SNN Shannon - YYZ Toronto Pearson Intl

SNNYYZ

Shannon

Mon 14/12

6:35 p.m.-7:50 p.m.

3 stops30h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 537

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Wed 25/11

6:35 p.m.-1:40 p.m.

2 stops48h 05m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 537

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Fri 18/12

4:05 p.m.-12:10 p.m.

2 stops49h 05m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 550

DublinToronto

DUB Dublin - YTZ Toronto Island

DUBYTZ

Dublin

Wed 25/11

4:50 p.m.-6:59 p.m.

3 stops31h 09m

Toronto Island

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 575

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Wed 9/12

6:40 a.m.-7:17 p.m.

2 stops41h 37m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 580

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Thu 17/12

6:35 a.m.-7:50 p.m.

3 stops42h 15m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 617

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 1/12

6:00 p.m.-11:40 p.m.

2 stops34h 40m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 635

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Sun 22/11

8:20 p.m.-7:10 p.m.

3 stops27h 50m

Toronto Pearson Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 635

DublinToronto

DUB Dublin - YTZ Toronto Island

DUBYTZ

Dublin

Mon 5/4

6:50 p.m.-9:39 a.m.

3 stops43h 49m

Toronto Island

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 635

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/10

Showing 1-10 of 58 resultsSorted by cheapest first
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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

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$ 689). Flying from Ireland to Region of Ontario in December is currently the most expensive (average of C$ 1,003). 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?

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

The most flights from IE0 to CAON 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 (4 on average).

How far ahead should I book a flight from Ireland to Region of Ontario?

To ensure you get the cheapest price possible for a flight from Ireland to Region of Ontario, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with Aer Lingus,WestJet, andAir Canada 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.
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,878 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
WestJet
7.2
Good
3,441 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Air Canada
7.1
Good
11,857 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Icelandair
6.9
Okay
766 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Lufthansa
6.8
Okay
8,298 reviews
Aer Lingus
7.3
Good
1,878 reviews
Check prices

Crew

8.1

Entertainment

7.0

Boarding

7.5

Comfort

7.2

Food

6.7

Overall

7.3

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

  • How long is the flight from Ireland to Region of Ontario?

    A quick flight from Ireland to Region of Ontario can take about 11h 56m. United Airlines provides one of the quickest options available for as low as C$ 854. 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$ 224 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 Aer Lingus, with prices starting from C$ 326 and C$ 495, 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$ 689). Flying from Ireland to Region of Ontario in December is currently the most expensive (average of C$ 1,003). 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

Top 5 airlines flying from Ireland to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 566AverageC$ 785FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapestC$ 575AverageC$ 947FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 667AverageC$ 916FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapestC$ 718AverageC$ 2,302FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 719AverageC$ 924FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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