Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin from C$ 346

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
7 Feb — 14 Feb1
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 Wednesday and return on a Thursday

Cheap 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 8 January 2026.

Round-trip from

C$ 639

One-way from

C$ 346

Popular in

December

Cheapest in

November

Average price

C$ 919

Good round-trip deal

C$ 1,061 or less
WestJet
  • WestJet
  • 4/6-9/6
  • 2 total stops
  • 40h 35m total
  • Montreal to Dublin
WestJet
  • WestJet
  • 27/5
  • 2 total stops
  • 20h 35m total
  • Montreal to Dublin
Highest demand for flights based on searches. 4% potential increase in price (C$ 61 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 45 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Dublin.

Find 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 8 January 2026.

Thu 15/13:10 p.m.YUL - DUB
1 stop11h 00mLufthansa
Wed 21/19:00 a.m.DUB - YUL
1 stop12h 23mLufthansa
Deal found 7/1C$ 636
Thu 4/66:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Tue 9/610:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 6/1C$ 639
Fri 5/66:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Sat 20/610:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 7/1C$ 641
Sun 14/66:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Sat 27/612:15 p.m.DUB - YUL
1 stop17h 25mWestJet
Deal found 6/1C$ 643
Sun 14/66:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Sun 21/610:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 7/1C$ 644
Tue 19/56:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Wed 3/610:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 7/1C$ 646
Mon 11/56:45 a.m.YUL - DUB
1 stop21h 35mWestJet
Thu 21/510:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 7/1C$ 648
Mon 4/56:45 a.m.YUL - DUB
2 stops44h 35mWestJet
Sat 16/512:15 p.m.DUB - YUL
1 stop17h 25mWestJet
Deal found 6/1C$ 650
Tue 19/56:45 a.m.YUL - DUB
2 stops20h 35mWestJet
Tue 2/610:40 a.m.DUB - YUL
1 stop19h 00mWestJet
Deal found 7/1C$ 651
Tue 12/56:45 a.m.YUL - DUB
2 stops44h 35mWestJet
Wed 27/59:40 a.m.DUB - YUL
2 stops20h 00mWestJet
Deal found 7/1C$ 654

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 8 January 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

Pierre Elliott Trudeau Intl

Fly to

Dublin

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

6:45 a.m.-8:20 a.m.

2 stops20h 35m

Dublin

Thu 18/6

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 669

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:45 a.m.-10:55 a.m.

1 stop23h 10m

Dublin

Wed 17/6

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 669

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

6:45 a.m.-8:20 a.m.

2 stops20h 35m

Dublin

Thu 18/6

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 669

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Wed 17/6

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 669

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Fri 22/5

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 672

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Mon 18/5

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 672

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 15/5

6:45 a.m.-10:55 a.m.

1 stop23h 10m

Dublin

Sun 17/5

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 672

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Thu 21/5

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 672

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Wed 20/5

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 672

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

6:45 a.m.-8:20 a.m.

2 stops44h 35m

Dublin

Mon 18/5

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 672

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/1

Showing 1-10 of 21 results
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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 2 January 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$ 596). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 871). 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.

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

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 8 January 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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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.

Crew

8.4

Overall

7.7

Food

6.7

Comfort

7.3

Boarding

7.9

Entertainment

7.0

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 9 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 20h 35m. WestJet provides one of the quickest options available for as low as C$ 669. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Dublin is about 4768 km.

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

    Currently priced at C$ 588, 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 British Airways - these airlines can fly you to your destination from C$ 590 and C$ 649, 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 WestJet, which is currently one of the cheapest options available, starting at C$ 361. Air Transat flights start at C$ 396 while deals on Air Canada start at C$ 441 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$ 1,163, our data shows the cheapest flight currently is C$ 940. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 662 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$ 596). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 871). 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

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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 8 January 2026.

Top 9 airlines flying from Pierre Elliott Trudeau Intl to Dublin

Discover the top 9 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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 588AverageC$ 851FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 590AverageC$ 848FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 649AverageC$ 949FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 660AverageC$ 797FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 768AverageC$ 986FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 808AverageC$ 1,043FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 822AverageC$ 1,043FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 838AverageC$ 871FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapestC$ 894AverageC$ 1,133FlexibilityNo cancel feeOn-time75%
Search KLM flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Dublin?

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