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Cheap flights from Montreal to Dublin from C$ 349

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.
YMQ — DUB
18 Apr — 25 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Dublin are usually found in September or February, booked 81 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Montreal to Dublin

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Dublin
Explore the most affordable flight options available from Montreal to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 March 2026.

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$ 603
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$ 615
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$ 617
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$ 632
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$ 633
Sat 19/94:15 p.m.
YUL
-
DUB
1 stop14h 15m
Air Transat
Wed 30/91:15 p.m.
DUB
-
YUL
1 stop11h 05m
Air Transat
Deal found 18/3C$ 636
Mon 1/63:10 p.m.
YUL
-
DUB
1 stop15h 20m
Porter Airlines
Mon 15/61:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 15/3C$ 637
Tue 6/106:45 a.m.
YUL
-
DUB
1 stop23h 45m
Porter Airlines
Mon 19/101:15 p.m.
DUB
-
YUL
1 stop11h 17m
Porter Airlines
Deal found 15/3C$ 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$ 644
Tue 22/96:45 a.m.
YUL
-
DUB
1 stop23h 45m
Porter Airlines
Tue 29/91:15 p.m.
DUB
-
YUL
1 stop16h 22m
Porter Airlines
Deal found 16/3C$ 646
Sat 9/57:20 p.m.
YUL
-
DUB
2 stops32h 00m
WestJet
Fri 15/510:40 a.m.
DUB
-
YUL
1 stop12h 40m
WestJet
Deal found 17/3C$ 648
Sun 6/98:35 p.m.
YUL
-
DUB
1 stop9h 55m
Air Transat
Thu 10/91:15 p.m.
DUB
-
YUL
1 stop11h 05m
Air Transat
Deal found 16/3C$ 650

Find flight deals from Montreal to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 March 2026.

Round-trip from

C$ 599

One-way from

C$ 349

Popular in

December

Cheapest in

September

Average price

C$ 968

Good round-trip deal

C$ 890 or less
Porter Airlines
  • Porter Airlines
  • 5/5-13/5
  • 2 total stops
  • 24h 37m total
  • Montreal to Dublin
Search Deals
19/5
  • 19/5
  • 2 total stops
  • 23h 15m total
  • Montreal to Dublin
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 (YMQ) to Dublin.
Search Deals

Cheapflights Fare Finder

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

Sun 7/6

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

1 stop13h 20m

Dublin

Sat 13/6

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

1 stop11h 17m

C$ 651

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

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

1 stop9h 55m

Dublin

Sat 13/6

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

1 stop11h 17m

C$ 666

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

11:00 a.m.-11:30 a.m.

1 stop19h 30m

Dublin

Fri 5/6

1:15 p.m.-7:30 p.m.

1 stop11h 15m

C$ 669

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

6:00 p.m.-11:30 a.m.

1 stop12h 30m

Dublin

Tue 22/9

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

1 stop11h 17m

C$ 684

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

1 stop13h 20m

Dublin

Wed 17/6

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

1 stop11h 05m

C$ 685
Quickest round-trip

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 15/6

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

1 stop9h 55m

Dublin

Tue 23/6

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

1 stop11h 05m

C$ 699

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

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

1 stop23h 45m

Dublin

Tue 15/9

1:15 p.m.-5:02 p.m.

1 stop32h 47m

C$ 879

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

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

1 stop9h 55m

Dublin

Sat 12/9

1:15 p.m.-8:30 p.m.

1 stop12h 15m

C$ 913

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

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

2 stops14h 10m

Dublin

Wed 6/5

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

2 stops13h 42m

C$ 973

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

6:00 p.m.-11:30 a.m.

1 stop12h 30m

Dublin

Sat 12/9

1:15 p.m.-8:30 p.m.

1 stop12h 15m

C$ 973

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/3

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Best time to book a flight from Montreal to Dublin

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

How far ahead should I book a flight from Montreal to Dublin?

Use this chart to determine the optimal time to book a round-trip flight from Montreal to Dublin. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from Montreal to Dublin, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 561). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 863). 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 much does it cost to fly round-trip from Montreal to Dublin?

What’s the top layover airport for flights from Montreal to Dublin?

Share of one-stop round-trip flights from Montreal to Dublin chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 70% of one-stop itineraries from Montreal to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Dublin?

Average round-trip fare for 1-stop flights from Montreal to Dublin, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 819.

What’s the fastest layover option from Montreal to Dublin?

Shortest average travel time for 1-stop one-way flights from Montreal to Dublin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 10h 13m.

Which airport typically offers the quickest layover for flights from Montreal to Dublin?

Average layover duration for 1-stop one-way flights from Montreal to Dublin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Paris (CDG) offer the fastest connection on this route, with an average layover time of 1h 34m.

How often are flights from Montreal to Dublin delayed?

About 7% of weekly flights between Montreal and Dublin 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 Dublin 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 Dublin 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 Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated 19 March 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andWestJet from Montreal to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
424 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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
3,297 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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
10,817 reviews
Porter Airlines
8.0
Very good
424 reviews
Check prices

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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

Entertainment

7.0

Boarding

8.2

Food

7.6

Overall

8.0

Comfort

8.0

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 Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Montreal?

    Located just 9.2 km from the city centre, Dublin is the airport most travellers will use when flying to Dublin from Montreal. Booking flights from Montreal to Dublin (DUB) should be relatively easy as there are 0 daily inbound flights from Montreal from 7 different airlines.

  • How long is the flight from Montreal to Dublin?

    A quick flight from Montreal to Dublin can take about 13h 20m. Air Transat provides one of the quickest options available for as low as C$ 651. The distance between Montreal and Dublin is about 4768 km.

  • What are the cheapest airlines flying from Montreal to Dublin round-trip?

    Currently priced at C$ 551, Air Transat will fly you from Montreal to Dublin and back. In addition to Air Transat, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and WestJet - these airlines can fly you to your destination from C$ 556 and C$ 621, respectively. Users have found that Air Transat is 41% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Montreal to Dublin one-way?

    The cheapest airlines for a one-way flight from Montreal to Dublin are Air Transat (C$ 231), WestJet (C$ 352), and Air Canada (C$ 435).

  • What are the cheapest flights from Montreal to Dublin?

    Looking for the cheapest flight from Montreal to Dublin? While on average our users pay C$ 992, our data indicates the cheapest price to be C$ 835. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 617.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montreal to Dublin 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 Dublin?

    Currently, May is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 561). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 863). 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

Travelling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
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Fly from Montreal to Dublin on these airlines

Choose from the following airlines for your flight from Montreal to Dublin. Flights are based on user searches made on Cheapflights and were last updated on 19 March 2026.
Air Canada flights from Montreal to Dublin
Lufthansa flights from Montreal to Dublin
Air Transat flights from Montreal to Dublin

Top 7 airlines flying from Montreal to Dublin

Discover the top 7 airlines that operate flights from Montreal to Dublin. 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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 551AverageC$ 680FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 556AverageC$ 831FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 621AverageC$ 707FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 639AverageC$ 925FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapestC$ 708AverageC$ 961FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 789AverageC$ 1,018FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 831AverageC$ 864FlexibilityNo 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 Dublin?

Cheapflights makes it easy to find Montreal to Dublin 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 Montreal to Dublin?

Cheapflights helps you find that perfect flight to Dublin from Montreal by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Montreal to Dublin with no change fees?

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

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

Yes, Cheapflights offers price alerts on Montreal to Dublin flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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