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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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
2 Mar — 9 Mar1
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 31 January 2026.

Tue 28/47:25 p.m.
YUL
-
DUB
2 stops31h 55m
WestJet
Tue 5/510:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 30/1C$ 596
Mon 4/57:25 p.m.
YUL
-
DUB
2 stops31h 55m
WestJet
Mon 11/59:40 a.m.
DUB
-
YUL
2 stops20h 00m
WestJet
Deal found 30/1C$ 597
Thu 4/67:25 p.m.
YUL
-
DUB
2 stops31h 55m
WestJet
Thu 11/69:40 a.m.
DUB
-
YUL
2 stops13h 45m
WestJet
Deal found 30/1C$ 599
Sat 16/57:25 p.m.
YUL
-
DUB
2 stops31h 55m
WestJet
Sat 23/510:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 30/1C$ 600
Tue 16/66:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Tue 23/610:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 30/1C$ 604
Fri 5/67:25 p.m.
YUL
-
DUB
1 stop10h 30m
WestJet
Mon 15/69:40 a.m.
DUB
-
YUL
2 stops13h 45m
WestJet
Deal found 28/1C$ 606
Tue 2/66:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Mon 15/69:40 a.m.
DUB
-
YUL
2 stops13h 45m
WestJet
Deal found 28/1C$ 607
Tue 19/56:45 a.m.
YUL
-
DUB
1 stop21h 35m
WestJet
Tue 26/510:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 30/1C$ 610
Tue 5/56:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Sun 17/512:15 p.m.
DUB
-
YUL
1 stop11h 10m
WestJet
Deal found 29/1C$ 611
Sat 9/56:45 a.m.
YUL
-
DUB
2 stops44h 35m
WestJet
Mon 25/59:40 a.m.
DUB
-
YUL
2 stops20h 00m
WestJet
Deal found 29/1C$ 612
Mon 8/66:40 p.m.
YUL
-
SNN
2 stops21h 55m
Multiple Airlines
Mon 15/64:10 p.m.
SNN
-
YUL
1 stop23h 30m
Multiple Airlines
Deal found 30/1C$ 1,089
Mon 8/68:15 a.m.
YUL
-
SNN
1 stop18h 15m
United Airlines
Mon 15/69:30 a.m.
SNN
-
YUL
1 stop17h 04m
United Airlines
Deal found 30/1C$ 1,113

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 31 January 2026.

Round-trip from

C$ 596

One-way from

C$ 336

Popular in

December

Cheapest in

September

Average price

C$ 913

Good round-trip deal

C$ 950 or less
WestJet
  • WestJet
  • 28/4-5/5
  • 3 total stops
  • 50h 55m total
  • Montreal to Ireland
Search Deals
WestJet
  • WestJet
  • 1/6
  • 2 total stops
  • 31h 55m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 31 January 2026.
Use the filters below to find and compare flights from Montreal to Ireland that are best for you.

Fly from

Montreal

Fly to

Ireland

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

7:25 p.m.-8:20 a.m.

2 stops31h 55m

Dublin

Tue 12/5

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 615

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Sun 10/5

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 619

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Sun 10/5

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 622

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

7:25 p.m.-8:20 a.m.

2 stops31h 55m

Dublin

Tue 16/6

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 627

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop22h 15m

Dublin

Tue 12/5

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 643

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop22h 15m

Dublin

Thu 7/5

9:40 a.m.-6:25 p.m.

2 stops37h 45m

C$ 643

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 4/6

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Wed 17/6

9:40 a.m.-6:25 p.m.

2 stops13h 45m

C$ 643

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

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

1 stop22h 15m

Dublin

Wed 13/5

10:40 a.m.-6:25 p.m.

1 stop12h 45m

C$ 643

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Sat 16/5

9:40 a.m.-12:40 a.m.

2 stops20h 00m

C$ 643

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:45 a.m.-9:20 a.m.

1 stop21h 35m

Dublin

Wed 17/6

9:40 a.m.-6:25 p.m.

2 stops13h 45m

C$ 643

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 33 results
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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, September is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 587). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 853). 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 31 January 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir Canada 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
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Porter Airlines
7.9
Good
412 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Transat
7.7
Good
502 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Air Canada
7.1
Good
10,668 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
Lufthansa
6.8
Okay
7,758 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out
British Airways
6.7
Okay
7,706 reviews
Porter Airlines
7.9
Good
412 reviews
Check prices

Overall

7.9

Boarding

8.2

Comfort

7.9

Entertainment

6.9

Crew

8.6

Food

7.5

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 12h 35m. There are 4624 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$ 229 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$ 353 and C$ 430, 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 - Cork or Montreal Pierre Elliott Trudeau Intl - Shannon.

  • What are the cheapest flights from Montreal to Ireland?

    While on average a flight from Montreal to Ireland is generally C$ 1,112, our data shows the cheapest flight currently is C$ 853. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 675 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, September is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 587). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 853). 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.
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Ottawa to Orly flights
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Québec City to Barcelona-El Prat flights
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Pierre Elliott Trudeau Intl to Berlin flights
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Top 8 airlines flying from Montreal to Ireland

Discover the top 8 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 31 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 575AverageC$ 810FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 578AverageC$ 831FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 631AverageC$ 913FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 647AverageC$ 716FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 753AverageC$ 964FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 782AverageC$ 1,012FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 821AverageC$ 854FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapestC$ 913AverageC$ 1,110FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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