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Cheap flights from Montreal to Dublin from C$ 411

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Montreal to Dublin are usually found in January or November, booked 31 days in advance, depart on a Wednesday or Monday and return on a Monday

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 11 April 2025.

Round-trip from

C$ 869

One-way from

C$ 411

Popular in

December

Cheapest in

January

Average price

C$ 997

Good round-trip deal

C$ 897 or less
Porter Airlines
  • Porter Airlines
  • 13/7-29/7
  • 2 total stops
  • 31h 42m total
  • Montreal to Dublin
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WestJet
  • WestJet
  • 10/6
  • 2 total stops
  • 21h 15m total
  • Montreal to Dublin
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Montreal (YMQ) to Dublin.
Search Deals

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 11 April 2025.

Wed 21/56:45 a.m.YUL - DUB
1 stop22h 15mWestJet
Mon 26/59:45 a.m.DUB - YUL
2 stops43h 52mWestJet
Deal found 9/4C$ 869
Sun 13/73:10 p.m.YUL - DUB
1 stop15h 20mPorter Airlines
Sun 20/71:15 p.m.DUB - YUL
1 stop16h 22mPorter Airlines
Deal found 10/4C$ 870
Thu 8/510:05 p.m.YUL - DUB
1 stop20h 20mMultiple Airlines
Sun 18/56:45 a.m.DUB - YUL
1 stop12h 30mMultiple Airlines
Deal found 8/4C$ 872
Sun 1/68:40 p.m.YUL - DUB
Nonstop6h 05mAir Canada
Sat 7/69:20 a.m.DUB - YUL
Nonstop6h 30mAir Canada
Deal found 9/4C$ 875
Sun 7/98:45 p.m.YUL - DUB
Nonstop6h 00mLufthansa
Thu 18/99:20 a.m.DUB - YUL
Nonstop6h 30mLufthansa
Deal found 10/4C$ 883
Fri 5/910:00 a.m.YUL - DUB
1 stop20h 30mAir Transat
Wed 17/91:15 p.m.DUB - YUL
1 stop13h 02mAir Transat
Deal found 10/4C$ 886
Fri 10/1010:00 p.m.YUL - DUB
1 stop12h 05mBritish Airways
Thu 30/108:40 a.m.DUB - YUL
1 stop15h 25mBritish Airways
Deal found 10/4C$ 906
Wed 8/104:30 p.m.YUL - DUB
2 stops20h 20mSWISS
Wed 22/101:00 p.m.DUB - YUL
1 stop31h 00mSWISS
Deal found 10/4C$ 945
Sun 12/106:25 a.m.YUL - DUB
2 stops19h 45mUnited Airlines
Sun 26/1011:50 a.m.DUB - YUL
2 stops24h 12mUnited Airlines
Deal found 9/4C$ 965
Mon 28/411:20 a.m.YUL - DUB
2 stops18h 25mDelta
Wed 21/58:55 a.m.DUB - YUL
1 stop13h 00mDelta
Deal found 9/4C$ 974
Wed 16/47:47 a.m.YUL - DUB
1 stop17h 43mAmerican Airlines
Mon 21/44:40 p.m.DUB - YUL
1 stop24h 04mAmerican Airlines
Deal found 9/4C$ 1,059

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 11 April 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

Wed 21/5

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

1 stop22h 15m

Dublin

Mon 26/5

9:45 a.m.-12:37 a.m.

2 stops43h 52m

C$ 869

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 8/5

10:05 p.m.-11:25 p.m.

1 stop20h 20m

Dublin

Sun 18/5

6:45 a.m.-2:15 p.m.

1 stop12h 30m

C$ 872

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

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

Nonstop6h 05m

Dublin

Sat 7/6

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

Nonstop6h 30m

C$ 875

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 10/6

4:00 p.m.-11:30 a.m.

1 stop14h 30m

Dublin

Mon 16/6

1:15 p.m.-7:57 p.m.

1 stop11h 42m

C$ 886

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

4:30 p.m.-8:15 a.m.

1 stop10h 45m

Dublin

Thu 5/6

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

Nonstop6h 30m

C$ 958

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

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

1 stop20h 20m

Dublin

Fri 20/6

5:30 a.m.-9:10 p.m.

1 stop20h 40m

C$ 963

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 23/4

8:00 p.m.-7:10 a.m.

2 stops30h 10m

Dublin

Wed 30/4

1:35 p.m.-7:48 a.m.

2 stops23h 13m

C$ 969

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

7:00 p.m.-3:00 p.m.

1 stop15h 00m

Dublin

Mon 26/5

11:10 a.m.-4:55 p.m.

1 stop10h 45m

C$ 970

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 4/7

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

1 stop15h 20m

Dublin

Sun 27/7

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

1 stop16h 22m

C$ 998

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

4:40 p.m.-5:50 p.m.

1 stop20h 10m

Dublin

Mon 19/5

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

1 stop25h 20m

C$ 1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 17 results
1
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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 4 April 2025.

To ensure you get the cheapest price possible for a flight from Montreal to Dublin, you should look to book at least 31 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 11 April 2025.

It’s optimal to fly from Montreal to Dublin in the morning. By choosing this option you can save up to 21% 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 12 May 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.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 49.0 - 79.0 mm per month. October is typically the wettest month, when rainfall can reach 79.0 mm. February is typically the driest time to visit Dublin when rainfall is around 49.0 mm.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

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 11 April 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and KLM from Montreal to Dublin by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,910 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
KLM
7.8
Good
1,321 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Air Transat
7.8
Good
385 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,575 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Crew

8.7

Boarding

8.2

Food

7.6

Comfort

8.0

Overall

8.0

Entertainment

6.9

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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 11 different airlines.

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

    Currently priced at C$ 869, Porter Airlines will fly you from Montreal to Dublin and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and Lufthansa - these airlines can fly you to your destination from C$ 870 and C$ 882, respectively. Users have found that Porter Airlines is 14% 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 WestJet (C$ 411), TAP AIR PORTUGAL (C$ 990), and Air Canada (C$ 1,018).

  • 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$ 966, our data indicates the cheapest price to be C$ 861. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 628.

  • 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

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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 11 April 2025.
Air Canada flights from Montreal to Dublin
Lufthansa flights from Montreal to Dublin
Air Transat flights from Montreal to Dublin

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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 639AverageC$ 817FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
WestJetCheapestC$ 678AverageC$ 939FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 694AverageC$ 753FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 753AverageC$ 912FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 816AverageC$ 1,016FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapestC$ 835AverageC$ 933FlexibilityNo cancel feeOn-time77%
Search Air France flights
Porter AirlinesCheapestC$ 848AverageC$ 970FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 864AverageC$ 941FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 869AverageC$ 1,082FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
KLMCheapestC$ 876AverageC$ 1,106FlexibilityNo 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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