Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin from C$ 323

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
28 Mar — 4 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Dublin are usually found in November or September, booked 60 days in advance, depart on a Saturday or Monday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Dublin
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 February 2026.

Wed 23/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Wed 30/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 23/2C$ 513
Sun 6/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Fri 18/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 25/2C$ 520
Sat 30/56:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Wed 10/61:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 25/2C$ 521
Wed 2/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Air Transat
Tue 15/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 24/2C$ 523
Sun 20/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Air Transat
Sun 27/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Air Transat
Deal found 25/2C$ 532
Sun 24/53:10 p.m.
YUL
-
DUB
1 stop15h 20m
Air Transat
Wed 3/61:15 p.m.
DUB
-
YUL
1 stop25h 47m
Air Transat
Deal found 24/2C$ 534
Wed 2/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Air Transat
Mon 14/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 24/2C$ 535
Thu 1/105:10 p.m.
YUL
-
DUB
1 stop13h 20m
Air Transat
Fri 16/101:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 23/2C$ 536
Sat 19/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Sun 27/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 24/2C$ 538
Thu 4/65:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Tue 16/61:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 24/2C$ 539
Wed 2/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Porter Airlines
Wed 9/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Porter Airlines
Deal found 23/2C$ 543

Find flight deals from Pierre Elliott Trudeau Intl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 February 2026.

Round-trip from

C$ 521

One-way from

C$ 323

Popular in

December

Cheapest in

November

Average price

C$ 920

Good round-trip deal

C$ 877 or less
Air Transat
  • Air Transat
  • 30/5-10/6
  • 2 total stops
  • 56h 32m total
  • Montreal to Dublin
Search Deals
WestJet
  • WestJet
  • 1/6
  • 2 total stops
  • 32h 00m total
  • Montreal to Dublin
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Dublin.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Dublin 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 26 February 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

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

1 stop15h 20m

Dublin

Wed 27/5

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 624

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

8:35 p.m.-11:30 a.m.

1 stop9h 55m

Dublin

Thu 27/8

1:15 p.m.-7:20 p.m.

1 stop11h 05m

C$ 765

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

8:35 p.m.-11:30 a.m.

1 stop9h 55m

Dublin

Sun 30/8

1:15 p.m.-7:20 p.m.

1 stop11h 05m

C$ 840

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

7:20 p.m.-11:30 a.m.

1 stop11h 10m

Dublin

Sun 17/5

1:15 p.m.-7:32 p.m.

1 stop11h 17m

C$ 851

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

11:23 a.m.-7:20 a.m.

2 stops14h 57m

Dublin

Wed 8/4

12:30 p.m.-10:06 p.m.

2 stops14h 36m

C$ 864

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

11:23 a.m.-7:20 a.m.

2 stops14h 57m

Dublin

Tue 19/5

9:30 a.m.-12:13 a.m.

2 stops19h 43m

C$ 875

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

11:23 a.m.-7:20 a.m.

2 stops14h 57m

Dublin

Tue 19/5

9:30 a.m.-12:13 a.m.

2 stops19h 43m

C$ 885

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

6:35 a.m.-7:20 a.m.

2 stops19h 45m

Dublin

Wed 15/7

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

2 stops28h 10m

C$ 925

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

2:13 p.m.-7:30 a.m.

2 stops13h 17m

Dublin

Tue 17/3

9:30 a.m.-5:55 p.m.

2 stops12h 25m

C$ 931

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

6:35 p.m.-7:20 a.m.

1 stop31h 45m

Dublin

Fri 29/5

9:30 a.m.-6:12 p.m.

2 stops13h 42m

C$ 935

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/2

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Pierre Elliott Trudeau Intl to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Dublin

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Dublin. Price data was last updated on 20 February 2026.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin (average of C$ 588). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 862). 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.

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 26 February 2026.
Check out reviews from past customers who have flown with Air Transat,WestJet, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to Dublin to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
513 reviews
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
WestJet
7.2
Good
3,275 reviews
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,748 reviews
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,814 reviews
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
British Airways
6.7
Okay
7,768 reviews
Air Transat
7.7
Good
513 reviews
Check prices

Entertainment

7.0

Overall

7.7

Crew

8.4

Food

6.8

Comfort

7.3

Boarding

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Montreal Pierre Elliott Trudeau Intl?

    Dublin (DUB) is the airport you will fly into if you book a flight from Montreal Pierre Elliott Trudeau Intl to Dublin. You should not have trouble finding flights to Dublin from Montreal Pierre Elliott Trudeau Intl; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day. You should also have plenty of airline options to choose from since 7 airlines have flights to the Dublin airport from Montreal Pierre Elliott Trudeau Intl. It is only a 9.2 km journey from Dublin (DUB) to Dublin’s city centre.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    A quick flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin can take about 9h 55m. Porter Airlines provides one of the quickest options available for as low as C$ 765. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is about 4768 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin round-trip?

    Currently priced at C$ 568, Air Transat will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Dublin and back. In addition to Air Transat, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and WestJet - these airlines can fly you to your destination from C$ 580 and C$ 610, respectively. These flights start at 40% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport 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$ 231. WestJet flights start at C$ 357 while deals on Air Canada start at C$ 435 one-way.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is generally C$ 1,101, our data shows the cheapest flight currently is C$ 388. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 534 for that flight.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Dublin that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Dublin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Dublin?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Dublin?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

    Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Dublin (average of C$ 588). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 862). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Pierre Elliott Trudeau Intl to Dublin on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 26 February 2026.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to Dublin
Lufthansa flights from Montreal Pierre Elliott Trudeau Intl to Dublin
Air Transat flights from Montreal Pierre Elliott Trudeau Intl to Dublin

Top 7 airlines flying from Pierre Elliott Trudeau Intl to Dublin

Discover the top 7 airlines that operate flights from Pierre Elliott Trudeau Intl to Dublin. 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 26 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 568AverageC$ 810FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 580AverageC$ 835FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 610AverageC$ 705FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 638AverageC$ 924FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 707AverageC$ 967FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 790AverageC$ 1,018FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 829AverageC$ 862FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Pierre Elliott Trudeau Intl to Dublin?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Pierre Elliott Trudeau Intl to Dublin. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Dublin?

Cheapflights simply makes it quick and affordable to book flights from Pierre Elliott Trudeau Intl to Dublin 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 Pierre Elliott Trudeau Intl to Dublin with no change fees?

Yes, we can. To see specific flights from Pierre Elliott Trudeau Intl to Dublin with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Dublin become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.