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Cheap flights from Dublin to Ontario from C$ 294

DUB — YYZ
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Ontario

Sun 20/910:40 a.m. -
Nonstop7h 40m
Sat 3/1011:55 p.m. -
Nonstop6h 35m
Deal found 16/9C$ 547
Thu 26/1111:30 a.m. -
1 stop11h 45m
Thu 3/127:40 p.m. -
1 stop9h 35m
Deal found 20/9C$ 583
Fri 11/1211:30 a.m. -
1 stop11h 45m
Mon 14/127:40 p.m. -
1 stop9h 35m
Deal found 16/9C$ 587
Mon 23/1111:30 a.m. -
1 stop11h 45m
Sat 28/117:40 p.m. -
1 stop9h 35m
Deal found 16/9C$ 596
Thu 17/1211:30 a.m. -
1 stop11h 45m
Wed 23/127:40 p.m. -
1 stop9h 35m
Deal found 19/9C$ 607
Mon 16/1111:30 a.m. -
1 stop11h 45m
Sat 28/117:40 p.m. -
1 stop9h 35m
Deal found 19/9C$ 611
Tue 17/1111:30 a.m. -
1 stop11h 45m
Tue 24/117:40 p.m. -
1 stop9h 35m
Deal found 20/9C$ 612
Sun 20/910:40 a.m. -
Nonstop7h 40m
Tue 29/911:55 p.m. -
Nonstop6h 35m
Deal found 16/9C$ 615
Fri 11/124:55 p.m. -
1 stop26h 45m
Thu 31/125:30 p.m. -
1 stop11h 55m
Deal found 16/9C$ 625
Sat 26/124:55 p.m. -
1 stop26h 30m
Sat 9/15:25 p.m. -
1 stop12h 00m
Deal found 19/9C$ 633
Thu 5/1111:45 a.m. -
1 stop13h 00m
Wed 11/117:45 p.m. -
Nonstop6h 25m
Deal found 18/9C$ 635
Thu 19/117:55 p.m. -
1 stop28h 45m
Fri 27/119:40 p.m. -
1 stop29h 50m
Deal found 17/9C$ 668

Find flight deals from Dublin to Ontario

Round-trip from

C$ 583

One-way from

C$ 294

Popular in

December

Cheapest in

February

Average price

C$ 722

Good round-trip deal

C$ 752 or less

Good one-way deal

C$ 492 or less
Icelandair
  • Icelandair
  • 26/11-3/12
  • 2 total stops
  • 21h 20m total
  • Dublin to Ontario
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Aer Lingus
  • Aer Lingus
  • 25/9-31/12
  • Nonstop
  • 7h 30m total
  • Dublin to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 58 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Dublin to Ontario.
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Price to beat on a one-way flight from Dublin to Ontario.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Sun 29/11

9:10 a.m.-7:40 p.m.

1 stop15h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 425

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Thu 5/11

7:55 p.m.-7:40 p.m.

1 stop28h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 438

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Wed 7/10

2:00 p.m.-10:10 a.m.

1 stop25h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 491

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Sat 3/10

5:25 p.m.-12:40 p.m.

1 stop24h 15m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 498

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Sun 15/11

9:10 a.m.-7:40 p.m.

1 stop15h 30m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 506

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Tue 13/10

6:00 p.m.-8:00 p.m.

2 stops31h 00m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 508

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Tue 6/10

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

1 stop24h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 548

DublinOttawa

DUB Dublin - YOW Ottawa

DUBYOW

Dublin

Thu 15/10

7:50 a.m.-8:00 p.m.

2 stops17h 10m

Ottawa

Wed 31/12

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

Nonstop0h 00m

C$ 565

DublinMontreal

DUB Dublin - YUL Montreal Pierre Elliott Trudeau Intl

DUBYUL

Dublin

Mon 12/10

12:40 p.m.-5:50 p.m.

2 stops34h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

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

Nonstop0h 00m

C$ 565

DublinToronto

DUB Dublin - YYZ Toronto Pearson Intl

DUBYYZ

Dublin

Sat 28/11

1:05 p.m.-3:50 p.m.

Nonstop7h 45m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 570

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Dublin to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Dublin with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Dublin to Ontario

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

Currently, February is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of C$ 660). Flying from Dublin to Region of Ontario in December is currently the most expensive (average of C$ 997). 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 DUB to ON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Dublin to Region of Ontario as you normally would.

Weekly flight availability from Dublin to Region of Ontario

The most flights from DUB to CAON are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Dublin to Region of Ontario?

Airfare is below average for this route at the moment.
Dublin to Region of Ontario flights typically cost between C$ 636 and C$ 914 in November.
The cheapest round-trip price found within the last 5 days was C$ 583 on Icelandair (26 Nov-3 Dec).

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

The price you pay for your flight from Dublin to Region of Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 23 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown Aer Lingus,WestJet, andAir Canada from Dublin to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Aer Lingus
7.3
Good
1,780 reviews
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
WestJet
7.2
Good
3,446 reviews
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Air Canada
7.1
Good
11,662 reviews
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
American Airlines
7.0
Good
12,074 reviews
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight
Lufthansa
6.8
Okay
8,238 reviews
Aer Lingus
7.3
Good
1,780 reviews
Check prices

Boarding

7.4

Food

6.7

Entertainment

7.0

Overall

7.3

Comfort

7.2

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Michael,Sep 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Related info for your journey

  • What airport do you fly from for flights from Dublin to Ontario?

    Dublin (DUB) is the airport you will fly out of if you book a flight from Dublin to Ontario. It is only a 9.2 km journey to Dublin (DUB) from Dublin’s city centre.

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

    Airlines like British Airways, KLM, and Air Canada fly from Dublin to Region of Ontario in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 2h 40m. Dublin and Region of Ontario are separated by a distance of 5258 km. This flight may include one or multiple stops.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 224. However, be on the lookout for offers from Air Transat and Aer Lingus, as they are both options that can get you from Dublin to Region of Ontario for a low price.

  • What are the most popular routes from Dublin to Region of Ontario?

    When deciding which route to take from Dublin to Region of Ontario consider Dublin - Toronto Pearson Intl, Dublin - Toronto Island or Dublin - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

  • What are the most reliable airlines from Dublin to Region of Ontario?

    The top 3 most reliable airlines when flying from Dublin to Region of Ontario are WestJet (78%), American Airlines (72%) and Aer Lingus (72%).

  • What are the cheapest flights from Dublin to Region of Ontario?

    The cheapest flight price from Dublin to Region of Ontario is C$ 173. On average you can expect to pay C$ 1,511. The most popular route, (Dublin - Toronto Pearson Intl), can usually be booked for C$ 579.

  • Can I find deals for flights from Dublin to Ontario that include hotel bookings?

    Yes. In addition to deals on Dublin to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dublin to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to Ontario.

  • Can I find deals for business class flights from Dublin to Ontario?

    Yes. Cheapflights offers flight deals from Dublin 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 Dublin to Region of Ontario?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Region of Ontario (average of C$ 660). Flying from Dublin to Region of Ontario in December is currently the most expensive (average of C$ 997). 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 6 airlines flying from Dublin to Ontario

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 566AverageC$ 785FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapestC$ 575AverageC$ 680FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 625AverageC$ 880FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapestC$ 709AverageC$ 921FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 718AverageC$ 1,713FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 760AverageC$ 997FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Dublin to Ontario?

When you search for this flight from Dublin to Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Dublin to Ontario?

Cheapflights simply makes it quick and affordable to book flights from Dublin to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Dublin to Ontario with no change fees?

Certainly. Search results for flights to Ontario from Dublin shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Of course! You can now track prices for flights from Dublin 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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