Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Montreal to Ireland from C$ 336

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
15 Apr — 22 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Ireland
Explore the most affordable flight options available from Montreal to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 March 2026.

Wed 9/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Thu 24/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 12/3C$ 594
Tue 22/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Porter Airlines
Wed 30/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Porter Airlines
Deal found 12/3C$ 595
Sun 4/103:10 p.m.
YUL
-
DUB
1 stop15h 20m
Air Transat
Wed 14/101:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 11/3C$ 602
Thu 4/66:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Thu 18/61:15 p.m.
DUB
-
YUL
1 stop11h 17m
Air Transat
Deal found 11/3C$ 604
Tue 1/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Porter Airlines
Wed 9/91:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 12/3C$ 605
Mon 7/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Porter Airlines
Tue 29/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 12/3C$ 606
Mon 1/66:45 a.m.
YUL
-
DUB
1 stop23h 45m
Porter Airlines
Thu 11/61:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 11/3C$ 610
Wed 2/95:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Thu 24/91:15 p.m.
DUB
-
YUL
1 stop12h 15m
Porter Airlines
Deal found 12/3C$ 615
Mon 7/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Air Transat
Wed 23/91:15 p.m.
DUB
-
YUL
1 stop32h 47m
Air Transat
Deal found 14/3C$ 617
Mon 8/65:10 p.m.
YUL
-
DUB
1 stop13h 20m
Porter Airlines
Mon 15/61:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 12/3C$ 621
Tue 8/93:10 p.m.
YUL
-
DUB
1 stop15h 20m
Porter Airlines
Wed 23/91:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 12/3C$ 630
Mon 1/63:10 p.m.
YUL
-
DUB
1 stop15h 20m
Air Transat
Sat 13/61:15 p.m.
DUB
-
YUL
1 stop11h 17m
Air Transat
Deal found 12/3C$ 631

Find flight deals from Montreal to Ireland

Keep the following information in mind while searching for Montreal to Ireland flight deals. Data was last updated 16 March 2026.

Round-trip from

C$ 594

One-way from

C$ 336

Popular in

December

Cheapest in

September

Average price

C$ 969

Good round-trip deal

C$ 891 or less
Porter Airlines
  • Porter Airlines
  • 9/9-24/9
  • 2 total stops
  • 29h 42m total
  • Montreal to Ireland
Search Deals
2/6
  • 2/6
  • 2 total stops
  • 23h 15m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 26 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 (YMQ) to Ireland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 16 March 2026.
Use the filters below to find and compare flights from Montreal 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

Thu 4/6

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

1 stop9h 55m

Dublin

Wed 24/6

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

1 stop11h 17m

C$ 656

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

5:10 p.m.-11:30 a.m.

1 stop13h 20m

Dublin

Mon 15/6

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

1 stop11h 17m

C$ 671

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

3:10 p.m.-11:30 a.m.

1 stop15h 20m

Dublin

Tue 16/6

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

1 stop11h 17m

C$ 705

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

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

1 stop23h 45m

Dublin

Sat 13/6

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

1 stop11h 17m

C$ 822

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

4:20 p.m.-10:40 a.m.

2 stops13h 20m

Dublin

Tue 21/4

9:30 a.m.-7:45 p.m.

2 stops15h 15m

C$ 967

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 31/3

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

2 stops20h 10m

Dublin

Tue 7/4

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

2 stops18h 16m

C$ 967

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

1:30 p.m.-10:40 a.m.

2 stops16h 10m

Dublin

Wed 29/4

1:35 p.m.-12:13 a.m.

2 stops15h 38m

C$ 977

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

9:15 a.m.-7:20 a.m.

2 stops17h 05m

Dublin

Thu 7/5

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

1 stop12h 15m

C$ 982

MontrealKnock

YUL - NOC

YULNOC

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:45 a.m.-4:55 p.m.

3 stops29h 10m

Knock Intl

Wed 17/6

9:10 a.m.-9:10 p.m.

3 stops41h 00m

C$ 1,003

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 7/4

9:15 a.m.-7:20 a.m.

2 stops17h 05m

Dublin

Sun 12/4

8:50 a.m.-12:13 a.m.

1 stop20h 23m

C$ 1,026

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 33 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from Montreal to Ireland

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

What is the cheapest month to book a flight from Montreal to Ireland?

Currently, May is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 561). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 864). 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 16 March 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andWestJet from Montreal to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
424 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Transat
7.7
Good
521 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
WestJet
7.2
Good
3,295 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,807 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Lufthansa
6.8
Okay
7,857 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Food

7.6

Overall

8.0

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Related info for your journey

Find useful and relevant information for your journey from Montreal 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 to Ireland?

    Departing from Montreal to Ireland will take you 9h 55m. There are 4768 km between Montreal and Ireland. 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 to Ireland one-way?

    C$ 232 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from C$ 352 and C$ 436, respectively.

  • What are the most popular routes from Montreal to Ireland?

    The most popular route from Montreal to Ireland is Montreal Pierre Elliott Trudeau Intl - Dublin. You may also consider Montreal Pierre Elliott Trudeau Intl - Shannon or Montreal Pierre Elliott Trudeau Intl - Cork.

  • What are the cheapest flights from Montreal to Ireland?

    While on average a flight from Montreal 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$ 591 for that flight.

  • Can I find deals for flights from Montreal to Ireland that include hotel bookings?

    Yes. In addition to deals on Montreal to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Ireland.

  • Can I find deals for business class flights from Montreal to Ireland?

    Yes. Cheapflights offers flight deals from Montreal 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 to Ireland?

    Currently, May is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 561). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 864). 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 Montreal 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 Lisbon flights
Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights
Pierre Elliott Trudeau Intl to Orly flights
Pierre Elliott Trudeau Intl to Athens flights
Pierre Elliott Trudeau Intl to Barcelona-El Prat flights
Pierre Elliott Trudeau Intl to Heathrow flights
Québec City to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Istanbul flights
Pierre Elliott Trudeau Intl to Madrid flights
Pierre Elliott Trudeau Intl to Beauvais-Tille flights
Pierre Elliott Trudeau Intl to Marseille flights
Pierre Elliott Trudeau Intl to Malpensa flights
Pierre Elliott Trudeau Intl to Gatwick flights
Pierre Elliott Trudeau Intl to Amsterdam flights
Pierre Elliott Trudeau Intl to Bruxelles-National flights
Pierre Elliott Trudeau Intl to Vicenza flights
Pierre Elliott Trudeau Intl to Málaga flights
Pierre Elliott Trudeau Intl to Lyon flights
Pierre Elliott Trudeau Intl to Nice flights
Pierre Elliott Trudeau Intl to Geneva flights
Pierre Elliott Trudeau Intl to Frankfurt flights
Pierre Elliott Trudeau Intl to Stansted flights
Pierre Elliott Trudeau Intl to London City flights
Pierre Elliott Trudeau Intl to Vienna flights
Pierre Elliott Trudeau Intl to Dublin flights
Pierre Elliott Trudeau Intl to Zurich flights
Pierre Elliott Trudeau Intl to Sabiha Gokcen flights
Pierre Elliott Trudeau Intl to Porto flights
Ottawa to Heathrow flights
Québec City to Orly flights
Pierre Elliott Trudeau Intl to Luton flights
Pierre Elliott Trudeau Intl to Linate flights
Pierre Elliott Trudeau Intl to Ponta Delgada flights
Pierre Elliott Trudeau Intl to Keflavik Intl flights
Ottawa to Charles de Gaulle flights
Pierre Elliott Trudeau Intl to Munich flights
Pierre Elliott Trudeau Intl to Toulouse flights
Pierre Elliott Trudeau Intl to Catania flights
Pierre Elliott Trudeau Intl to Naples flights
Pierre Elliott Trudeau Intl to Copenhagen flights
Pierre Elliott Trudeau Intl to Edinburgh flights
Pierre Elliott Trudeau Intl to Southend flights
Pierre Elliott Trudeau Intl to Palma de Mallorca flights
Pierre Elliott Trudeau Intl to Bordeaux flights
Québec City to Leonardo da Vinci/Fiumicino flights
Québec City to Lisbon flights
Pierre Elliott Trudeau Intl to Otopeni Intl flights
Pierre Elliott Trudeau Intl to Funchal flights
Pierre Elliott Trudeau Intl to Berlin flights

Top 7 airlines flying from Montreal to Ireland

Discover the top 7 airlines that operate flights from Montreal 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 16 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 552AverageC$ 681FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 556AverageC$ 832FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 622AverageC$ 708FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 639AverageC$ 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$ 831AverageC$ 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 Montreal to Ireland?

When you search for this flight from Montreal to Ireland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Ireland?

Cheapflights simply makes it quick and affordable to book flights from Montreal 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 Montreal to Ireland with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montreal to Ireland flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Montreal to Ireland become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ireland from Montreal today and book when prices fit your budget.

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.