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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland from C$ 345

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
19 Jul — 26 Jul1
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 19 June 2026.

Fri 21/86:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Fri 28/812:15 p.m.
DUB
-
YUL
1 stop17h 10m
WestJet
Deal found 15/6C$ 743
Tue 4/86:45 a.m.
YUL
-
DUB
2 stops44h 35m
WestJet
Tue 18/810:10 a.m.
DUB
-
YUL
2 stops19h 15m
WestJet
Deal found 16/6C$ 744
Mon 10/85:45 p.m.
YUL
-
DUB
2 stops33h 35m
WestJet
Mon 24/89:40 a.m.
DUB
-
YUL
2 stops19h 45m
WestJet
Deal found 14/6C$ 746
Sun 9/86:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Wed 26/89:40 a.m.
DUB
-
YUL
2 stops36h 05m
WestJet
Deal found 15/6C$ 748
Tue 1/96:45 a.m.
YUL
-
DUB
2 stops44h 35m
WestJet
Sat 12/99:40 a.m.
DUB
-
YUL
2 stops19h 45m
WestJet
Deal found 15/6C$ 750
Sun 9/86:45 a.m.
YUL
-
DUB
1 stop21h 35m
WestJet
Sat 15/89:40 a.m.
DUB
-
YUL
2 stops19h 45m
WestJet
Deal found 14/6C$ 751
Sat 5/96:00 p.m.
YUL
-
DUB
1 stop12h 30m
Air Transat
Sun 13/91:15 p.m.
DUB
-
YUL
1 stop12h 15m
Air Transat
Deal found 14/6C$ 753
Sun 13/95:00 p.m.
YUL
-
DUB
1 stop13h 30m
Air Transat
Fri 25/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Air Transat
Deal found 15/6C$ 755
Wed 29/76:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Wed 5/89:40 a.m.
DUB
-
YUL
2 stops36h 05m
WestJet
Deal found 14/6C$ 758
Sun 20/910:05 p.m.
YUL
-
SNN
1 stop17h 20m
Multiple Airlines
Sat 26/911:00 p.m.
SNN
-
YUL
2 stops25h 20m
Multiple Airlines
Deal found 16/6C$ 1,076
Fri 31/710:05 p.m.
YUL
-
SNN
1 stop19h 30m
Multiple Airlines
Wed 12/86:35 a.m.
SNN
-
YUL
2 stops18h 35m
Multiple Airlines
Deal found 16/6C$ 1,185
Thu 30/711:00 p.m.
YUL
-
SNN
2 stops18h 25m
Multiple Airlines
Sat 8/811:00 p.m.
SNN
-
YUL
1 stop20h 15m
Multiple Airlines
Deal found 16/6C$ 1,202

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 19 June 2026.

Round-trip from

C$ 743

One-way from

C$ 345

Popular in

December

Cheapest in

September

Average price

C$ 888

Good round-trip deal

C$ 873 or less
Air Transat
  • Air Transat
  • 12/9-20/9
  • 2 total stops
  • 23h 35m total
  • Montreal to Ireland
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 24h 00m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 19 June 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 5/9

3:30 p.m.-10:40 a.m.

2 stops14h 10m

Dublin

Sat 12/9

8:50 a.m.-7:01 p.m.

2 stops15h 11m

C$ 894

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

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

1 stop11h 55m

Dublin

Tue 3/11

1:35 p.m.-9:40 p.m.

1 stop13h 05m

C$ 912

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 24/8

11:45 p.m.-8:55 p.m.

1 stop16h 10m

Dublin

Sun 30/8

9:30 p.m.-5:20 p.m.

1 stop24h 50m

C$ 932

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 18/10

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

2 stops32h 10m

Dublin

Thu 29/10

1:35 p.m.-11:38 a.m.

2 stops26h 03m

C$ 939

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 30/6

6:15 p.m.-7:20 a.m.

2 stops32h 05m

Dublin

Wed 22/7

8:50 a.m.-10:40 a.m.

2 stops30h 50m

C$ 952

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

1:10 p.m.-7:30 a.m.

1 stop13h 20m

Dublin

Wed 5/8

9:30 a.m.-7:47 a.m.

2 stops27h 17m

C$ 952

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:00 a.m.-11:10 a.m.

1 stop24h 10m

Dublin

Mon 17/8

12:30 p.m.-2:23 p.m.

2 stops30h 53m

C$ 953

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

6:10 a.m.-9:45 a.m.

1 stop22h 35m

Dublin

Mon 10/8

8:50 a.m.-2:40 p.m.

1 stop10h 50m

C$ 953

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

2:20 p.m.-7:20 a.m.

1 stop12h 00m

Dublin

Thu 16/7

12:30 p.m.-8:00 a.m.

2 stops24h 30m

C$ 953

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:00 a.m.-10:40 a.m.

2 stops23h 40m

Dublin

Mon 27/7

12:30 p.m.-7:45 p.m.

1 stop12h 15m

C$ 953

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/6

Showing 1-10 of 40 resultsSorted by cheapest first
1
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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, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 786). 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 IE?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 June 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland as you normally would.

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.

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

Booking 62 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.

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 19 June 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
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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
7.8
Good
555 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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
3,375 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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
11,217 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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
8,074 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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
8,055 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Boarding

7.9

Crew

8.5

Entertainment

7.1

Comfort

7.3

Food

6.8

Overall

7.8

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 10h 30m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Ireland is about 4680 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 WestJet (C$ 363), Air Transat (C$ 448), and Air Canada (C$ 449).

  • 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 most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Ireland?

    Before booking your flight to Ireland from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (63%), United Airlines (63%), Lufthansa( 63%).

  • 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$ 933, our data shows the cheapest flight currently is C$ 808. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 672 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$ 378). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in December is currently the most expensive (average of C$ 786). 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 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 515AverageC$ 818FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 567AverageC$ 673FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 609AverageC$ 713FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapestC$ 658AverageC$ 954FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 661AverageC$ 774FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 728AverageC$ 1,008FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 816AverageC$ 1,262FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 856AverageC$ 890FlexibilityNo 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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