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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland from C$ 350

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
19 Apr — 26 Apr1
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 20 March 2026.

Tue 5/55:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Wed 13/51:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 19/3C$ 600
Sat 9/511:00 a.m.
YUL
-
DUB
1 stop19h 30m
Air Transat
Fri 15/51:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 17/3C$ 604
Sun 3/511:00 a.m.
YUL
-
DUB
1 stop19h 30m
Air Transat
Sun 10/51:15 p.m.
DUB
-
YUL
1 stop25h 47m
Air Transat
Deal found 16/3C$ 616
Sun 6/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Wed 16/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 17/3C$ 618
Thu 4/64:15 p.m.
YUL
-
DUB
1 stop14h 15m
Air Transat
Fri 19/61:15 p.m.
DUB
-
YUL
1 stop11h 15m
Air Transat
Deal found 16/3C$ 633
Tue 22/94:15 p.m.
YUL
-
DUB
1 stop14h 15m
Air Transat
Tue 29/91:15 p.m.
DUB
-
YUL
1 stop12h 15m
Air Transat
Deal found 17/3C$ 634
Sat 19/96:00 p.m.
YUL
-
DUB
1 stop12h 30m
Air Transat
Wed 30/91:15 p.m.
DUB
-
YUL
1 stop11h 05m
Air Transat
Deal found 19/3C$ 635
Mon 21/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Wed 30/91:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 16/3C$ 638
Tue 22/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Tue 29/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 17/3C$ 639
Sun 24/56:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Fri 5/61:15 p.m.
DUB
-
YUL
1 stop12h 15m
Air Transat
Deal found 16/3C$ 645
Wed 29/46:20 p.m.
YUL
-
SNN
1 stop10h 55m
United Airlines
Wed 6/512:30 p.m.
SNN
-
YUL
2 stops27h 56m
United Airlines
Deal found 15/3C$ 1,132
Wed 13/57:00 p.m.
YUL
-
SNN
3 stops25h 15m
Multiple Airlines
Sun 17/58:35 p.m.
SNN
-
YUL
3 stops26h 45m
Multiple Airlines
Deal found 17/3C$ 1,135

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 20 March 2026.

Round-trip from

C$ 600

One-way from

C$ 350

Popular in

December

Cheapest in

September

Average price

C$ 969

Good round-trip deal

C$ 891 or less
Porter Airlines
  • Porter Airlines
  • 5/5-13/5
  • 2 total stops
  • 24h 37m total
  • Montreal to Ireland
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 23h 15m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 20 March 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
Quickest round-trip

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

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

1 stop9h 55m

Dublin

Thu 18/6

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

1 stop11h 05m

C$ 700

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

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

1 stop9h 55m

Dublin

Wed 17/6

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

1 stop11h 05m

C$ 700

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

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

1 stop9h 55m

Dublin

Mon 29/6

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

1 stop11h 17m

C$ 880

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

1:50 p.m.-11:10 a.m.

2 stops16h 20m

Dublin

Tue 19/5

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

2 stops19h 43m

C$ 983

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 3/6

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

2 stops14h 57m

Dublin

Tue 16/6

8:50 a.m.-10:06 p.m.

2 stops18h 16m

C$ 983

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

1:05 p.m.-11:10 a.m.

2 stops17h 05m

Dublin

Mon 18/5

9:30 a.m.-7:46 a.m.

2 stops27h 16m

C$ 983

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

1:05 p.m.-11:10 a.m.

2 stops17h 05m

Dublin

Tue 19/5

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

2 stops19h 43m

C$ 983

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

6:10 a.m.-7:20 a.m.

2 stops20h 10m

Dublin

Mon 13/4

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

1 stop16h 43m

C$ 987

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 7/5

6:15 p.m.-11:10 a.m.

1 stop11h 55m

Dublin

Mon 18/5

9:30 a.m.-7:46 a.m.

2 stops27h 16m

C$ 1,004

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 23/4

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

2 stops14h 57m

Dublin

Sat 2/5

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

2 stops13h 42m

C$ 1,022

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/3

Showing 1-10 of 39 resultsSorted by cheapest first
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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

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

Currently, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 561). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 865). 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 20 March 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
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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
3,297 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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
10,818 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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
7,858 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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
7,804 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Comfort

7.3

Boarding

7.9

Overall

7.7

Entertainment

7.0

Crew

8.5

Food

6.8

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 9h 55m. 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$ 232), WestJet (C$ 352), and Air Canada (C$ 436).

  • 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$ 993, our data shows the cheapest flight currently is C$ 836. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 600 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, May is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 561). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 865). 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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Alternative routes for Pierre Elliott Trudeau Intl to Ireland

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Top 7 airlines flying from Pierre Elliott Trudeau Intl to Ireland

Discover the top 7 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 20 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 552AverageC$ 681FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 557AverageC$ 832FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 622AverageC$ 708FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 640AverageC$ 926FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 709AverageC$ 962FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 790AverageC$ 1,019FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 832AverageC$ 865FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Ireland 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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