Find flights
When to book
Airlines
FAQs

Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland from C$ 339

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — DUB
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 30 October 2025.

Mon 1/129:45 p.m.YUL - DUB
1 stop21h 00mMultiple Airlines
Fri 12/128:05 a.m.DUB - YUL
1 stop17h 10mMultiple Airlines
Deal found 29/10C$ 707
Fri 5/129:45 p.m.YUL - DUB
1 stop20h 35mTAP AIR PORTUGAL
Fri 12/1211:10 a.m.DUB - YUL
1 stop14h 05mTAP AIR PORTUGAL
Deal found 29/10C$ 730
Wed 26/119:40 p.m.YUL - DUB
1 stop19h 05mMultiple Airlines
Wed 3/1211:25 a.m.DUB - YUL
1 stop13h 15mMultiple Airlines
Deal found 29/10C$ 753
Wed 3/129:45 p.m.YUL - DUB
1 stop20h 35mTAP AIR PORTUGAL
Sun 7/1211:10 a.m.DUB - YUL
1 stop14h 05mTAP AIR PORTUGAL
Deal found 29/10C$ 781
Fri 14/119:40 p.m.YUL - DUB
1 stop15h 10mMultiple Airlines
Fri 21/116:35 a.m.DUB - YUL
1 stop18h 05mMultiple Airlines
Deal found 29/10C$ 804
Wed 12/119:40 p.m.YUL - DUB
1 stop33h 55mMultiple Airlines
Wed 3/1211:25 a.m.DUB - YUL
1 stop13h 15mMultiple Airlines
Deal found 29/10C$ 807
Fri 14/119:40 p.m.YUL - DUB
1 stop29h 05mMultiple Airlines
Wed 19/1111:25 a.m.DUB - YUL
1 stop13h 15mMultiple Airlines
Deal found 28/10C$ 828
Fri 5/129:40 p.m.YUL - DUB
1 stop15h 10mMultiple Airlines
Fri 12/126:00 a.m.DUB - YUL
2 stops18h 40mMultiple Airlines
Deal found 29/10C$ 839
Wed 3/1212:59 p.m.YUL - SNN
2 stops17h 31mAmerican Airlines
Sun 7/127:50 a.m.SNN - YUL
1 stop15h 55mAmerican Airlines
Deal found 29/10C$ 1,093

Cheap 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 30 October 2025.

Round-trip from

C$ 684

One-way from

C$ 339

Popular in

December

Cheapest in

September

Average price

C$ 966

Good round-trip deal

C$ 909 or less
WestJet
  • WestJet
  • 30/3-29/4
  • 2 total stops
  • 40h 35m total
  • Montreal to Ireland
Search Deals
26/11
  • 26/11
  • 1 total stop
  • 19h 05m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 30 October 2025.
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

Pierre Elliott Trudeau Intl

Fly to

Ireland

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Wed 6/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 684

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Mon 4/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 684

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Mon 4/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 684

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Sun 3/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Sat 9/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Sun 3/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Sun 3/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

6:45 a.m.-10:00 a.m.

1 stop22h 15m

Dublin

Fri 1/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

6:45 a.m.-9:55 a.m.

1 stop22h 10m

Dublin

Sat 9/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 709

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

6:45 a.m.-10:00 a.m.

1 stop22h 15m

Dublin

Sun 17/5

11:20 a.m.-12:40 a.m.

1 stop18h 20m

C$ 734

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/10

Showing 1-10 of 26 results
1
2
3

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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 602). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in July is currently the most expensive (average of C$ 842). 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 30 October 2025.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 32% versus a flight in the evening.

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

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

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Ireland 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 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 30 October 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Ireland, such as Porter Airlines,Air Transat, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
8.0
Very good
384 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.8
Good
469 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,383 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Lufthansa
6.8
Okay
7,542 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
British Airways
6.7
Okay
7,487 reviews
Porter Airlines
8.0
Very good
384 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Food

7.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 17h 31m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to Ireland is about 4624 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 - Milltown (Kerry) 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 (85%), United Airlines (85%), Lufthansa( 85%).

  • 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$ 1,048, our data shows the cheapest flight currently is C$ 884. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 707 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, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Ireland (average of C$ 602). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Ireland in July is currently the most expensive (average of C$ 842). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pierre Elliott Trudeau Intl to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Orly flights
Pierre Elliott Trudeau Intl to Lisbon flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pierre Elliott Trudeau Intl to Heathrow flights
Pierre Elliott Trudeau Intl to Málaga flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pierre Elliott Trudeau Intl to Lyon flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pierre Elliott Trudeau Intl to Madrid flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Pierre Elliott Trudeau Intl to Frankfurt flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Athens flights
Pierre Elliott Trudeau Intl to Zurich flights
Pierre Elliott Trudeau Intl to Sabiha Gokcen flights
Pierre Elliott Trudeau Intl to Geneva flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Marseille flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to Amsterdam flights
Pierre Elliott Trudeau Intl to Luton flights
Pierre Elliott Trudeau Intl to Linate flights
Pierre Elliott Trudeau Intl to Toulouse flights
Pierre Elliott Trudeau Intl to Nice flights
Pierre Elliott Trudeau Intl to Vicenza flights
Pierre Elliott Trudeau Intl to Vienna flights
Pierre Elliott Trudeau Intl to Bergamo flights
Pierre Elliott Trudeau Intl to Ponta Delgada flights
Pierre Elliott Trudeau Intl to Prague flights
Pierre Elliott Trudeau Intl to Funchal flights
Pierre Elliott Trudeau Intl to Charleroi Brussels flights
Pierre Elliott Trudeau Intl to Otopeni Intl flights
Pierre Elliott Trudeau Intl to Munich flights
Pierre Elliott Trudeau Intl to Nantes flights
Pierre Elliott Trudeau Intl to Berlin flights
Pierre Elliott Trudeau Intl to Bordeaux flights
Pierre Elliott Trudeau Intl to Keflavik Intl flights
Pierre Elliott Trudeau Intl to Dublin flights
Pierre Elliott Trudeau Intl to Southend flights
Pierre Elliott Trudeau Intl to Granadilla flights
Pierre Elliott Trudeau Intl to Faro flights
Pierre Elliott Trudeau Intl to Krakow flights
Pierre Elliott Trudeau Intl to Porto flights
Pierre Elliott Trudeau Intl to Santa Cruz de Tenerife flights
Pierre Elliott Trudeau Intl to Budapest flights
Pierre Elliott Trudeau Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to Las Palmas de Gran Canaria flights

Top 10 airlines flying from Pierre Elliott Trudeau Intl to Ireland

Discover the top 10 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 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 596AverageC$ 854FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 599AverageC$ 874FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 651AverageC$ 920FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 675AverageC$ 830FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 689AverageC$ 1,243FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapestC$ 718AverageC$ 833FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 784AverageC$ 1,002FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 828AverageC$ 1,050FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 831AverageC$ 926FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 846AverageC$ 880FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.