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Cheap flights from Ontario to Dublin from C$ 259

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

Cheap flight deals from Ontario to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Dublin

Sat 10/1011:55 p.m. -
Nonstop6h 35m
Fri 16/101:15 p.m. -
Nonstop7h 35m
Deal found 18/9C$ 545
Sat 26/911:55 p.m. -
Nonstop6h 35m
Fri 2/101:15 p.m. -
Nonstop7h 35m
Deal found 16/9C$ 547
Sat 3/1011:55 p.m. -
Nonstop6h 35m
Wed 14/101:15 p.m. -
Nonstop7h 35m
Deal found 20/9C$ 552
Mon 28/911:55 p.m. -
Nonstop6h 35m
Mon 5/101:15 p.m. -
Nonstop7h 35m
Deal found 17/9C$ 554
Sat 10/1011:55 p.m. -
Nonstop6h 35m
Wed 14/101:15 p.m. -
Nonstop7h 35m
Deal found 16/9C$ 558
Sat 10/1011:55 p.m. -
Nonstop6h 35m
Wed 21/101:15 p.m. -
Nonstop7h 35m
Deal found 18/9C$ 564
Sun 4/1011:55 p.m. -
Nonstop6h 35m
Wed 14/101:15 p.m. -
Nonstop7h 35m
Deal found 17/9C$ 570
Sun 4/105:00 p.m. -
1 stop13h 30m
Wed 14/101:15 p.m. -
1 stop16h 22m
Deal found 18/9C$ 730
Wed 18/1112:30 p.m. -
2 stops17h 50m
Thu 26/1112:10 p.m. -
2 stops34h 41m
Deal found 18/9C$ 731
Wed 11/1112:30 p.m. -
2 stops17h 50m
Sun 15/1112:10 p.m. -
2 stops34h 41m
Deal found 17/9C$ 734
Tue 22/98:35 p.m. -
1 stop9h 55m
Fri 2/101:15 p.m. -
1 stop11h 17m
Deal found 16/9C$ 738
Wed 4/1112:30 p.m. -
2 stops17h 50m
Wed 11/115:10 a.m. -
2 stops17h 41m
Deal found 20/9C$ 745

Find flight deals from Ontario to Dublin

Round-trip from

C$ 545

One-way from

C$ 259

Popular in

December

Cheapest in

January

Average price

C$ 685

Good round-trip deal

C$ 770 or less

Good one-way deal

C$ 531 or less
Air Transat
  • Air Transat
  • 10/10-16/10
  • Nonstop
  • 14h 10m total
  • Ontario to Dublin
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Porter Airlines
  • Porter Airlines
  • 15/10-31/12
  • Nonstop
  • 6h 35m total
  • Ontario to Dublin
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Highest demand for flights based on searches. 7% potential increase in price (C$ 80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 35 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 Ontario to Dublin.
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Price to beat on a one-way flight from Ontario to Dublin.
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 15/10

4:00 p.m.-11:30 a.m.

1 stop14h 30m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 357

Thunder BayDublin

YQT Thunder Bay - DUB Dublin

YQTDUB

Thunder Bay

Thu 15/10

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

1 stop20h 20m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 369

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

3:10 p.m.-11:30 a.m.

1 stop15h 20m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 379

OttawaDublin

YOW Ottawa - DUB Dublin

YOWDUB

Ottawa

Thu 15/10

8:55 p.m.-11:30 a.m.

1 stop9h 35m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 382

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Mon 12/10

8:45 p.m.-1:15 p.m.

1 stop11h 30m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 404

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

2:15 p.m.-9:00 a.m.

2 stops37h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 418

TorontoDublin

YYZ Toronto Pearson Intl - DUB Dublin

YYZDUB

Toronto Pearson Intl

Mon 5/10

11:10 p.m.-1:15 p.m.

1 stop9h 05m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 435

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 19/11

7:35 p.m.-8:20 a.m.

1 stop31h 45m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 436

MontrealDublin

YUL Montreal Pierre Elliott Trudeau Intl - DUB Dublin

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 11/11

10:10 p.m.-8:25 p.m.

1 stop17h 15m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 445

TorontoDublin

YTZ Toronto Island - DUB Dublin

YTZDUB

Toronto Island

Mon 12/10

4:55 p.m.-7:05 p.m.

3 stops45h 10m

Dublin

Wed 31/12

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

Nonstop0h 00m

C$ 445

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

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

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Dublin (average of C$ 666). Flying from Region of Ontario to Dublin in December is currently the most expensive (average of C$ 1,093). 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 DUB?

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

Weekly flight availability from Region of Ontario to Dublin

The most flights from CAON to DUB are scheduled on a Tuesday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

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

Airfare is below average for this route at the moment.
Region of Ontario to Dublin flights typically cost between C$ 582 and C$ 877 in October.
The cheapest round-trip price found within the last 5 days was C$ 545 on Air Transat (10 Oct-16 Oct).

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

The best time to book flights from Region of Ontario to Dublin is 62 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

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

    Located just 9.2 km from the city centre, Dublin (DUB) is the airport most travelers will use when flying to Dublin from Ontario.

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

    Scandinavian Airlines, KLM, and Delta can get you from Region of Ontario to Dublin in just under 10h 32m. Your travel time can differ by up to 3h 33m. Airlines will cover a distance of 5258 km. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Air Transat, which is currently one of the cheapest options available, starting at C$ 221. WestJet flights start at C$ 246 while deals on Porter Airlines start at C$ 280 one-way.

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

    The most popular flight routes from Region of Ontario to Dublin are Toronto Pearson Intl - Dublin, Toronto Island - Dublin and Montreal Pierre Elliott Trudeau Intl - Dublin.

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to Dublin consider choosing American Airlines (88%), Aer Lingus (88%) or Iberia (88%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Region of Ontario to Dublin is C$ 253. On average you can expect to pay C$ 2,719. The most popular route, (Toronto Pearson Intl - Dublin), can usually be booked for C$ 555.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Dublin (average of C$ 666). Flying from Region of Ontario to Dublin in December is currently the most expensive (average of C$ 1,093). 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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Athlone

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Top 10 airlines flying from Ontario to Dublin

AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 194AverageC$ 752FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
WestJetCheapestC$ 486AverageC$ 725FlexibilityNo cancel feeOn-time60%
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IcelandairCheapestC$ 503AverageC$ 618FlexibilityNo cancel feeOn-time76%
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Porter AirlinesCheapestC$ 552AverageC$ 790FlexibilityNo cancel feeOn-time52%
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Air TransatCheapestC$ 564AverageC$ 770FlexibilityNo cancel feeOn-time50%
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LufthansaCheapestC$ 605AverageC$ 985FlexibilityNo cancel feeOn-time76%
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Air CanadaCheapestC$ 623AverageC$ 906FlexibilityNo cancel feeOn-time67%
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IberiaCheapestC$ 711AverageC$ 859FlexibilityNo cancel feeOn-time77%
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American AirlinesCheapestC$ 718AverageC$ 959FlexibilityNo cancel feeOn-time71%
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British AirwaysCheapestC$ 738AverageC$ 1,009FlexibilityNo cancel feeOn-time70%
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Fly with Cheapflights

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

When you search for this flight from Ontario to Dublin, 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 Ontario to Dublin?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Dublin for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Ontario to Dublin with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Dublin become cheaper?

Yes, Cheapflights offers price alerts on Ontario to Dublin flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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