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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Dublin from C$ 359

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
22 Jan — 29 Jan1
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

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 23 December 2025.

Tue 23/128:40 p.m.YUL - DUB
1 stop18h 00mBritish Airways
Tue 30/127:00 a.m.DUB - YUL
1 stop16h 45mBritish Airways
Deal found 22/12C$ 1,357
Fri 26/1212:59 p.m.YUL - DUB
2 stops15h 01mAmerican Airlines
Wed 31/122:20 p.m.DUB - YUL
2 stops29h 50mAmerican Airlines
Deal found 21/12C$ 1,437
Tue 23/128:40 p.m.YUL - DUB
1 stop10h 30mMultiple Airlines
Tue 30/1211:30 a.m.DUB - YUL
2 stops31h 16mMultiple Airlines
Deal found 22/12C$ 1,465
Fri 26/127:30 a.m.YUL - DUB
2 stops16h 40mAmerican Airlines
Thu 1/12:20 p.m.DUB - YUL
2 stops29h 50mAmerican Airlines
Deal found 21/12C$ 1,487
Thu 25/127:30 a.m.YUL - DUB
1 stop20h 10mAmerican Airlines
Wed 31/122:20 p.m.DUB - YUL
2 stops29h 50mAmerican Airlines
Deal found 21/12C$ 1,527
Thu 25/1212:59 p.m.YUL - DUB
2 stops35h 11mAmerican Airlines
Thu 1/12:20 p.m.DUB - YUL
2 stops29h 50mAmerican Airlines
Deal found 21/12C$ 1,536
Wed 24/129:35 p.m.YUL - DUB
2 stops28h 35mAir Canada
Wed 31/129:30 a.m.DUB - YUL
1 stop17h 12mAir Canada
Deal found 21/12C$ 1,633
Sat 27/128:10 p.m.YUL - DUB
1 stop16h 00mLufthansa
Wed 31/1210:50 a.m.DUB - YUL
1 stop12h 30mLufthansa
Deal found 21/12C$ 1,676
Fri 26/129:25 a.m.YUL - DUB
1 stop17h 45mAir Canada
Wed 31/1210:40 a.m.DUB - YUL
1 stop15h 37mAir Canada
Deal found 21/12C$ 1,717
Wed 24/127:30 a.m.YUL - DUB
2 stops45h 45mAmerican Airlines
Thu 1/12:20 p.m.DUB - YUL
2 stops29h 50mAmerican Airlines
Deal found 21/12C$ 1,720

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 23 December 2025.

Round-trip from

C$ 668

One-way from

C$ 359

Popular in

December

Cheapest in

November

Average price

C$ 1,352

Good round-trip deal

C$ 1,010 or less
WestJet
  • WestJet
  • 18/3-26/3
  • 2 total stops
  • 40h 23m total
  • Montreal to Dublin
Search Deals
11/2
  • 11/2
  • 1 total stop
  • 19h 05m total
  • Montreal to Dublin
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 23 December 2025.
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

Tue 5/5

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

1 stop9h 55m

Dublin

Mon 11/5

1:15 p.m.-8:30 p.m.

1 stop12h 15m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

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

1 stop9h 55m

Dublin

Sun 10/5

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

1 stop11h 05m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

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

1 stop11h 10m

Dublin

Wed 13/5

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

1 stop11h 05m

C$ 699

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 10/5

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

1 stop11h 05m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

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

1 stop9h 55m

Dublin

Fri 8/5

1:15 p.m.-7:30 p.m.

1 stop11h 15m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

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

1 stop11h 10m

Dublin

Mon 11/5

1:15 p.m.-7:30 p.m.

1 stop11h 15m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

6:45 a.m.-9:00 a.m.

1 stop22h 15m

Dublin

Sat 21/3

11:00 a.m.-12:38 a.m.

1 stop17h 38m

C$ 760

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

6:45 a.m.-9:30 a.m.

1 stop22h 45m

Dublin

Tue 24/3

10:30 a.m.-12:38 a.m.

1 stop18h 08m

C$ 765

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 20/3

6:45 a.m.-9:30 a.m.

1 stop22h 45m

Dublin

Sun 22/3

7:10 a.m.-8:40 p.m.

1 stop17h 30m

C$ 826

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

8:40 p.m.-5:45 p.m.

1 stop16h 05m

Dublin

Thu 22/1

11:30 a.m.-10:59 p.m.

1 stop16h 29m

C$ 840

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

Showing 1-10 of 19 results
1
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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 19 December 2025.

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$ 593). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 867). 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 YUL to DUB?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Dublin. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Dublin flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 23 December 2025.
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
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
484 reviews
Air Transat
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,216 reviews
Air Transat
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,551 reviews
Air Transat
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,650 reviews
Air Transat
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
British Airways
6.7
Okay
7,607 reviews
Air Transat
7.8
Good
484 reviews
Check prices

Overall

7.8

Boarding

7.9

Entertainment

7.1

Crew

8.4

Food

6.8

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 9h 55m. Air Transat provides one of the quickest options available for as low as C$ 699. 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$ 585, 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$ 587 and C$ 646, 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$ 359. Air Transat flights start at C$ 394 while deals on Air Canada start at C$ 439 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$ 1,062, our data shows the cheapest flight currently is C$ 930. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 688 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$ 593). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Dublin in December is currently the most expensive (average of C$ 867). 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 23 December 2025.
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 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 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 585AverageC$ 848FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 587AverageC$ 843FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 646AverageC$ 945FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 657AverageC$ 809FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 765AverageC$ 983FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 804AverageC$ 1,038FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 819AverageC$ 1,038FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 834AverageC$ 868FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapestC$ 890AverageC$ 1,128FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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

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

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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!

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