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Cheap flights from Montreal to Dublin from C$ 340

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal to Dublin are usually found in September or May, booked 85 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap 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 15 January 2026.

Round-trip from

C$ 614

One-way from

C$ 340

Popular in

December

Cheapest in

September

Average price

C$ 937

Good round-trip deal

C$ 1,091 or less
WestJet
  • WestJet
  • 27/4-15/5
  • 3 total stops
  • 63h 35m total
  • Montreal to Dublin
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WestJet
  • WestJet
  • 24/5
  • 1 total stop
  • 21h 35m total
  • Montreal to Dublin
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 11 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Montreal (YMQ) to Dublin.
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Find 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 15 January 2026.

Mon 27/46:45 a.m.
YUL
-
DUB
2 stops44h 35m
WestJet
Fri 15/510:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 13/1C$ 614
Mon 9/36:45 a.m.
YUL
-
DUB
1 stop22h 15m
WestJet
Tue 17/310:30 a.m.
DUB
-
YUL
1 stop18h 08m
WestJet
Deal found 15/1C$ 617
Fri 6/36:45 a.m.
YUL
-
DUB
1 stop22h 10m
WestJet
Thu 12/310:30 a.m.
DUB
-
YUL
1 stop18h 08m
WestJet
Deal found 14/1C$ 618
Wed 4/36:45 a.m.
YUL
-
DUB
1 stop22h 10m
WestJet
Tue 17/310:30 a.m.
DUB
-
YUL
1 stop18h 08m
WestJet
Deal found 13/1C$ 627
Fri 15/56:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Tue 26/512:15 p.m.
DUB
-
YUL
1 stop17h 25m
WestJet
Deal found 14/1C$ 634
Mon 16/28:10 p.m.
YUL
-
DUB
1 stop30h 00m
Lufthansa
Mon 23/29:00 a.m.
DUB
-
YUL
1 stop11h 23m
Lufthansa
Deal found 14/1C$ 635
Fri 5/66:45 a.m.
YUL
-
DUB
1 stop21h 35m
WestJet
Sat 20/610:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 13/1C$ 638
Wed 27/56:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Sat 6/69:40 a.m.
DUB
-
YUL
2 stops20h 00m
WestJet
Deal found 13/1C$ 639
Tue 19/56:45 a.m.
YUL
-
DUB
1 stop21h 35m
WestJet
Thu 4/610:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 13/1C$ 641
Tue 5/56:45 a.m.
YUL
-
DUB
2 stops20h 35m
WestJet
Thu 14/59:40 a.m.
DUB
-
YUL
2 stops20h 00m
WestJet
Deal found 12/1C$ 642
Fri 20/36:45 a.m.
YUL
-
DUB
1 stop22h 45m
WestJet
Sat 4/411:30 a.m.
DUB
-
YUL
1 stop18h 08m
WestJet
Deal found 14/1C$ 643
Mon 4/56:45 a.m.
YUL
-
DUB
1 stop21h 35m
WestJet
Thu 14/510:40 a.m.
DUB
-
YUL
1 stop19h 00m
WestJet
Deal found 13/1C$ 645

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 15 January 2026.
Use the filters below to find and compare flights from Montreal to Dublin that are best for you.

Fly from

Montreal

Fly to

Dublin

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

6:45 a.m.-8:20 a.m.

2 stops20h 35m

Dublin

Wed 10/6

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

2 stops20h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

6:45 a.m.-10:55 a.m.

1 stop23h 10m

Dublin

Thu 11/6

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

2 stops20h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 1/5

6:45 a.m.-8:20 a.m.

2 stops20h 35m

Dublin

Thu 14/5

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

2 stops20h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

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

1 stop21h 35m

Dublin

Thu 11/6

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

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

1 stop21h 35m

Dublin

Thu 11/6

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

6:45 a.m.-8:20 a.m.

2 stops20h 35m

Dublin

Sat 13/6

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

2 stops20h 00m

C$ 670

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 10/6

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

2 stops20h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

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

1 stop21h 35m

Dublin

Fri 12/6

12:15 p.m.-12:40 a.m.

1 stop17h 25m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

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

1 stop21h 35m

Dublin

Wed 10/6

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

2 stops20h 00m

C$ 670

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 4/5

6:45 a.m.-8:20 a.m.

2 stops44h 35m

Dublin

Sun 10/5

10:40 a.m.-12:40 a.m.

1 stop19h 00m

C$ 670

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 17 results
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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 9 January 2026.

To ensure you get the cheapest price possible for a flight from Montreal to Dublin, you should look to book at least 85 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, September is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 600). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 876). 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 67% 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.

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of C$ 846.

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 Paris (CDG) have the shortest average one-way travel time for 1-stop routes: 10h 12m.

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 32m.

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 15 January 2026.
See what other customers who have flown with Air Transat,WestJet, andAir Canada 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.
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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
7.7
Good
495 reviews
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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
3,242 reviews
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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
10,622 reviews
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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
7,715 reviews
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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
7,676 reviews
Air Transat
7.7
Good
495 reviews
Check prices

Entertainment

7.0

Boarding

7.9

Comfort

7.3

Crew

8.4

Overall

7.7

Food

6.8

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 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 8 different airlines.

  • How long is the flight from Montreal to Dublin?

    A quick flight from Montreal to Dublin can take about 20h 35m. WestJet provides one of the quickest options available for as low as C$ 670. 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$ 589, 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 British Airways - these airlines can fly you to your destination from C$ 593 and C$ 652, respectively. Users have found that Air Transat is 39% 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$ 235), WestJet (C$ 363), and Air Canada (C$ 441).

  • 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$ 1,146, our data indicates the cheapest price to be C$ 974. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 635.

  • 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, September is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 600). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 876). 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

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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 15 January 2026.
Air Canada flights from Montreal to Dublin
Lufthansa flights from Montreal to Dublin
Air Transat flights from Montreal to Dublin

Top 8 airlines flying from Montreal to Dublin

Discover the top 8 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 589AverageC$ 832FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 593AverageC$ 852FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 652AverageC$ 958FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 663AverageC$ 754FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 772AverageC$ 989FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 811AverageC$ 1,046FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 842AverageC$ 876FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapestC$ 899AverageC$ 1,139FlexibilityNo 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 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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