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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland from C$ 348

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
3 Jun — 10 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Ireland
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 May 2026.

Fri 5/66:45 a.m.
YUL
-
DUB
2 stops24h 25m
Multiple Airlines
Wed 17/69:40 a.m.
DUB
-
YUL
2 stops19h 45m
Multiple Airlines
Deal found 30/4C$ 651
Wed 10/65:45 p.m.
YUL
-
DUB
3 stops24h 35m
Multiple Airlines
Thu 18/69:40 a.m.
DUB
-
YUL
2 stops36h 05m
Multiple Airlines
Deal found 29/4C$ 656
Fri 5/66:45 a.m.
YUL
-
DUB
1 stop23h 10m
WestJet
Mon 15/69:40 a.m.
DUB
-
YUL
2 stops19h 45m
WestJet
Deal found 2/5C$ 662
Wed 10/65:45 p.m.
YUL
-
DUB
3 stops24h 35m
Multiple Airlines
Wed 17/69:40 a.m.
DUB
-
YUL
2 stops36h 05m
Multiple Airlines
Deal found 2/5C$ 663
Fri 5/611:00 a.m.
YUL
-
DUB
1 stop19h 30m
Air Transat
Mon 15/61:15 p.m.
DUB
-
YUL
1 stop16h 22m
Air Transat
Deal found 2/5C$ 666
Mon 1/66:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Mon 8/61:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 2/5C$ 670
Tue 3/111:10 p.m.
YUL
-
DUB
1 stop10h 35m
Aer Lingus
Fri 13/1111:40 a.m.
DUB
-
YUL
1 stop10h 05m
Aer Lingus
Deal found 1/5C$ 675
Sun 15/111:10 p.m.
YUL
-
DUB
1 stop10h 35m
Aer Lingus
Sun 22/1111:40 a.m.
DUB
-
YUL
1 stop10h 05m
Aer Lingus
Deal found 30/4C$ 677
Sun 7/66:45 a.m.
YUL
-
DUB
2 stops35h 30m
Multiple Airlines
Sat 20/611:20 a.m.
DUB
-
YUL
1 stop10h 25m
Multiple Airlines
Deal found 30/4C$ 679
Tue 16/66:45 a.m.
YUL
-
SNN
2 stops32h 35m
Multiple Airlines
Tue 23/67:05 p.m.
SNN
-
YUL
2 stops30h 55m
Multiple Airlines
Deal found 2/5C$ 965
Mon 11/511:40 p.m.
YUL
-
SNN
1 stop33h 00m
Multiple Airlines
Thu 21/512:05 p.m.
SNN
-
YUL
2 stops37h 55m
Multiple Airlines
Deal found 2/5C$ 1,004
Sat 16/510:05 p.m.
YUL
-
SNN
1 stop19h 20m
Multiple Airlines
Sun 24/58:25 a.m.
SNN
-
YUL
2 stops41h 35m
Multiple Airlines
Deal found 29/4C$ 1,019

Find flight deals from Pierre Elliott Trudeau Intl to Ireland

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Ireland flight deals. Data was last updated 4 May 2026.

Round-trip from

C$ 651

One-way from

C$ 348

Popular in

December

Cheapest in

September

Average price

C$ 894

Good round-trip deal

C$ 948 or less
WestJet
  • WestJet
  • 5/6-17/6
  • 4 total stops
  • 44h 10m total
  • Montreal to Ireland
Search Deals
15/6
  • 15/6
  • 2 total stops
  • 25h 30m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Ireland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Ireland 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 4 May 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

6:00 p.m.-11:30 a.m.

1 stop12h 30m

Dublin

Thu 17/9

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

1 stop11h 05m

C$ 696
Quickest round-trip

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

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

1 stop9h 55m

Dublin

Thu 17/9

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

1 stop11h 05m

C$ 696

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

1 stop9h 55m

Dublin

Mon 15/6

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

1 stop11h 15m

C$ 700

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

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

1 stop9h 55m

Dublin

Sat 19/9

1:15 p.m.-5:02 p.m.

1 stop32h 47m

C$ 724

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

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

1 stop9h 55m

Dublin

Wed 23/9

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

1 stop11h 05m

C$ 730

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Mon 28/9

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

1 stop11h 15m

C$ 730

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

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

1 stop9h 55m

Dublin

Wed 23/9

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

1 stop11h 05m

C$ 730

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 24/5

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Tue 9/6

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

1 stop11h 17m

C$ 735

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 14/10

10:00 p.m.-7:30 p.m.

1 stop16h 30m

Dublin

Wed 28/10

8:50 a.m.-7:45 p.m.

1 stop14h 55m

C$ 826

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

10:00 p.m.-7:35 p.m.

1 stop16h 35m

Dublin

Mon 22/6

3:15 p.m.-8:15 p.m.

1 stop10h 00m

C$ 923

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/5

Showing 1-10 of 37 resultsSorted by cheapest first
1
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3
4

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

Have a flexible travel schedule? Discover the best time to fly to Ireland 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 Ireland

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

Booking 64 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 Ireland. 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 Ireland?

Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 364). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 757). 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 often are flights from Montreal to Ireland delayed?

About 7% of weekly flights between Montreal and Ireland have experienced delays in the past year, with the average delay time being 253 minutes.

What is the most punctual flight time for Montreal to Ireland flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to Ireland flights?

Over the past year, Air Canada has had the lowest number of delays on this route, with just 7% of flights being delayed.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated 4 May 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland, such as Air Transat,WestJet, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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
7.8
Good
548 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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
3,331 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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
10,996 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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
7,972 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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
7,946 reviews
Air Transat
7.8
Good
548 reviews
Check prices

Comfort

7.3

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Crew

8.5

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 Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to Ireland will take you 12h 30m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Ireland 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 to fly from Montreal Pierre Elliott Trudeau Intl Airport to Ireland one-way?

    The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland are Air Transat (C$ 229), WestJet (C$ 350), and Air Canada (C$ 432).

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Ireland?

    When deciding which route to take from Montreal Pierre Elliott Trudeau Intl Airport to Ireland consider Montreal Pierre Elliott Trudeau Intl - Dublin, Montreal Pierre Elliott Trudeau Intl - Shannon or Montreal Pierre Elliott Trudeau Intl - Cork as they are the most popular.

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

    While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland is generally C$ 995, our data shows the cheapest flight currently is C$ 702. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 612 for that flight.

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

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

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

    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 Ireland.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Ireland 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 Ireland?

    Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 364). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 757). 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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Top 8 airlines flying from Pierre Elliott Trudeau Intl to Ireland

Discover the top 8 airlines that operate flights from Pierre Elliott Trudeau Intl to Ireland. 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 4 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 509AverageC$ 798FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 547AverageC$ 638FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 586AverageC$ 686FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
WestJetCheapestC$ 632AverageC$ 744FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 633AverageC$ 917FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 702AverageC$ 965FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 770AverageC$ 1,212FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 824AverageC$ 856FlexibilityNo 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 Ireland?

Cheapflights makes it easy to find Pierre Elliott Trudeau Intl to Ireland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Ireland, users can toggle the no change fees filter when performing a flight search.

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