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Cheap flights from Montreal to Dublin from C$ 402

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Montreal to Dublin are usually found in January or November, booked 2 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

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 3 July 2025.

Round-trip from

C$ 771

One-way from

C$ 402

Popular in

December

Cheapest in

January

Average price

C$ 1,034

Good round-trip deal

C$ 833 or less

Good one-way deal

C$ 603 or less
WestJet
  • WestJet
  • 30/8-8/9
  • 2 total stops
  • 36h 22m total
  • Montreal to Dublin
16/9
  • 16/9
  • 1 total stop
  • 19h 55m total
  • Montreal to Dublin
Highest demand for flights based on searches. 2% potential increase in price (C$ 31 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Montreal (YMQ) to Dublin.
Price to beat on a one-way flight from Montreal (YMQ) to Dublin.

Find flight deals from Montreal to Dublin

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 3 July 2025.

Mon 29/98:40 p.m.YUL - DUB
Nonstop6h 05mLufthansa
Tue 7/109:20 a.m.DUB - YUL
Nonstop6h 30mLufthansa
Deal found 1/7C$ 782
Wed 3/129:45 p.m.YUL - DUB
1 stop20h 35mTAP AIR PORTUGAL
Sat 6/124:15 a.m.DUB - YUL
1 stop21h 00mTAP AIR PORTUGAL
Deal found 3/7C$ 797
Sun 31/88:05 p.m.YUL - DUB
1 stop10h 25mAir Transat
Sun 7/91:15 p.m.DUB - YUL
1 stop16h 22mAir Transat
Deal found 1/7C$ 800
Thu 28/88:05 p.m.YUL - DUB
1 stop10h 25mPorter Airlines
Tue 16/91:15 p.m.DUB - YUL
1 stop13h 02mPorter Airlines
Deal found 3/7C$ 801
Wed 17/98:40 p.m.YUL - DUB
Nonstop6h 05mMultiple Airlines
Tue 30/96:40 p.m.DUB - YUL
1 stop25h 20mMultiple Airlines
Deal found 2/7C$ 811
Mon 10/118:50 p.m.YUL - DUB
1 stop11h 45mAmerican Airlines
Mon 17/1111:30 a.m.DUB - YUL
1 stop32h 50mAmerican Airlines
Deal found 30/6C$ 819
Thu 11/99:50 p.m.YUL - DUB
1 stop29h 25mAir Canada
Tue 16/99:50 a.m.DUB - YUL
1 stop13h 00mAir Canada
Deal found 1/7C$ 820
Sun 14/91:30 p.m.YUL - DUB
2 stops17h 40mSWISS
Tue 30/96:40 p.m.DUB - YUL
1 stop25h 20mSWISS
Deal found 2/7C$ 840
Sat 20/96:20 p.m.YUL - DUB
1 stop11h 50mUnited Airlines
Fri 3/109:20 a.m.DUB - YUL
1 stop12h 40mUnited Airlines
Deal found 2/7C$ 871

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 3 July 2025.
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

Sat 30/8

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

1 stop18h 25m

Dublin

Mon 8/9

11:30 a.m.-12:27 a.m.

1 stop17h 57m

C$ 771

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

8:40 p.m.-7:45 a.m.

Nonstop6h 05m

Dublin

Tue 7/10

9:20 a.m.-10:50 a.m.

Nonstop6h 30m

C$ 782

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

8:05 p.m.-11:30 a.m.

1 stop10h 25m

Dublin

Sun 7/9

1:15 p.m.-12:37 a.m.

1 stop16h 22m

C$ 800

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 28/8

8:05 p.m.-11:30 a.m.

1 stop10h 25m

Dublin

Tue 16/9

1:15 p.m.-9:17 p.m.

1 stop13h 02m

C$ 801

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

8:40 p.m.-7:45 a.m.

Nonstop6h 05m

Dublin

Tue 30/9

6:40 p.m.-3:00 p.m.

1 stop25h 20m

C$ 811

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 11/9

9:50 p.m.-8:15 a.m.

1 stop29h 25m

Dublin

Tue 16/9

9:50 a.m.-5:50 p.m.

1 stop13h 00m

C$ 820

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

4:40 p.m.-12:10 p.m.

1 stop14h 30m

Dublin

Tue 30/9

6:40 p.m.-3:00 p.m.

1 stop25h 20m

C$ 840

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

10:45 p.m.-12:05 a.m.

1 stop20h 20m

Dublin

Sat 20/12

4:15 a.m.-8:15 p.m.

1 stop21h 00m

C$ 867

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 20/9

6:20 p.m.-11:10 a.m.

1 stop11h 50m

Dublin

Sat 4/10

8:50 a.m.-6:50 p.m.

2 stops15h 00m

C$ 871

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 16/9

6:50 p.m.-7:45 p.m.

1 stop19h 55m

C$ 402

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

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 27 June 2025.

To ensure you get the cheapest price possible for a flight from Montreal to Dublin, you should look to book at least 2 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, January is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 458). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 760). 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 YMQ to DUB?

Find hourly flight availability from Montreal to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 July 2025.

It’s optimal to fly from Montreal to Dublin in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Montreal to Dublin?

Use this chart to determine the cheapest time to fly round-trip from Montreal to Dublin. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal to Dublin flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Montreal to Dublin?

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 3 July 2025.
See what other customers who have flown with Porter Airlines,Air Transat, andSWISS 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.

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

Comfort

8.1

Food

7.7

Overall

8.0

Crew

8.7

Entertainment

7.0

Boarding

8.2

Reviews

1 / 20
4.0
Okay

Mary,Jun 2025

FLL - YYZ

Fort Lauderdale staff was not helpful at all to try to accommodate my husband and myself to sit together. Also very surprised to get charged USD53 for each of our checked luggage, as when we booked the tickets online, the website indicated that our first checked luggage will be charged CAD50!! Very misleading!!!

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 is 1 daily inbound flight from Montreal from 11 different airlines.

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

    Currently priced at C$ 771, WestJet will fly you from Montreal to Dublin and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and TAP AIR PORTUGAL - these airlines can fly you to your destination from C$ 782 and C$ 797, respectively. Users have found that WestJet is 20% 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 Porter Airlines (C$ 414), Air Transat (C$ 417), and Air Canada (C$ 444).

  • What are the most reliable airlines from Montreal to Dublin?

    Consider Air Canada (94%), United Airlines (94%) or Lufthansa (94%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Dublin.

  • 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$ 814, our data indicates the cheapest price to be C$ 488. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 784.

  • 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, January is the cheapest month in which you can book a flight from Montreal to Dublin (average of C$ 458). Flying from Montreal to Dublin in December is currently the most expensive (average of C$ 760). 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 3 July 2025.

Top 10 airlines flying from Montreal to Dublin

Discover the top 10 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 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 581AverageC$ 832FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 586AverageC$ 851FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 658AverageC$ 912FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 673AverageC$ 731FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapestC$ 701AverageC$ 808FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 765AverageC$ 1,006FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapestC$ 784AverageC$ 916FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapestC$ 811AverageC$ 906FlexibilityNo cancel feeOn-time77%
Search Air France flights
DeltaCheapestC$ 839AverageC$ 935FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 840AverageC$ 1,014FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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