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Cheap flights from Montreal to Ireland from C$ 222

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Montreal to Ireland

Keep the following information in mind while searching for Montreal to Ireland flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 797

One-way from

C$ 222

Popular in

December

Cheapest in

January

Average price

C$ 873

Good round-trip deal

C$ 860 or less

Good one-way deal

C$ 1,028 or less
Air Canada
  • Air Canada
  • 12/10-24/10
  • 2 total stops
  • 22h 20m total
  • Montreal to Ireland
Search Deals
Air Transat
  • Air Transat
  • 14/10
  • 1 total stop
  • 14h 30m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Ireland.
Search Deals
Price to beat on a one-way flight from Montreal (YMQ) to Ireland.
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Find flight deals from Montreal to Ireland

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 15 September 2025.

Sun 12/105:10 p.m.YUL - DUB
1 stop10h 05mAir Canada
Fri 24/1012:30 p.m.DUB - YUL
1 stop12h 15mAir Canada
Deal found 15/9C$ 797
Sun 12/108:15 p.m.YUL - DUB
1 stop10h 15mMultiple Airlines
Sun 19/1010:20 p.m.DUB - YUL
2 stops42h 15mMultiple Airlines
Deal found 15/9C$ 807
Sun 5/108:15 p.m.YUL - DUB
1 stop10h 15mMultiple Airlines
Sat 11/108:35 p.m.DUB - YUL
2 stops22h 40mMultiple Airlines
Deal found 15/9C$ 810
Wed 8/107:29 a.m.YUL - DUB
1 stop17h 01mAmerican Airlines
Thu 16/109:30 a.m.DUB - YUL
1 stop10h 54mAmerican Airlines
Deal found 15/9C$ 811
Mon 15/96:45 a.m.YUL - DUB
1 stop22h 15mWestJet
Mon 22/99:45 a.m.DUB - YUL
2 stops19h 42mWestJet
Deal found 14/9C$ 812
Fri 24/108:20 a.m.YUL - DUB
2 stops18h 00mUnited Airlines
Fri 31/101:35 p.m.DUB - YUL
2 stops22h 10mUnited Airlines
Deal found 14/9C$ 814
Fri 17/104:00 p.m.YUL - DUB
1 stop9h 30mAmerican Airlines
Mon 27/107:35 a.m.DUB - YUL
1 stop16h 10mAmerican Airlines
Deal found 14/9C$ 815
Sat 11/106:00 p.m.YUL - DUB
1 stop12h 30mMultiple Airlines
Mon 20/109:30 p.m.DUB - YUL
2 stops23h 45mMultiple Airlines
Deal found 13/9C$ 816
Wed 22/104:00 p.m.YUL - DUB
2 stops14h 15mAmerican Airlines
Wed 29/107:35 a.m.DUB - YUL
2 stops19h 05mAmerican Airlines
Deal found 15/9C$ 819
Sat 20/94:40 p.m.YUL - DUB
2 stops12h 40mUnited Airlines
Sun 28/98:50 a.m.DUB - YUL
1 stop11h 10mUnited Airlines
Deal found 13/9C$ 821
Sat 11/108:15 p.m.YUL - DUB
1 stop10h 15mMultiple Airlines
Sun 19/1010:20 p.m.DUB - YUL
2 stops42h 15mMultiple Airlines
Deal found 12/9C$ 822
Sat 20/92:20 p.m.YUL - DUB
1 stop11h 50mAir Canada
Sat 27/98:50 a.m.DUB - YUL
1 stop11h 10mAir Canada
Deal found 13/9C$ 823

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 15 September 2025.
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

Sat 11/10

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

1 stop12h 30m

Dublin

Mon 20/10

9:30 p.m.-4:15 p.m.

2 stops23h 45m

C$ 816

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

4:40 p.m.-10:20 a.m.

2 stops12h 40m

Dublin

Tue 7/10

9:20 a.m.-4:10 p.m.

1 stop11h 50m

C$ 821

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

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

1 stop11h 50m

Dublin

Fri 10/10

9:20 a.m.-7:49 a.m.

2 stops27h 29m

C$ 821

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 13/10

6:35 a.m.-7:10 a.m.

2 stops19h 35m

Dublin

Mon 20/10

1:35 p.m.-7:49 a.m.

2 stops23h 14m

C$ 821

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

8:30 a.m.-11:10 a.m.

2 stops21h 40m

Dublin

Fri 24/10

8:50 a.m.-9:54 p.m.

2 stops18h 04m

C$ 821

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 6/10

4:40 p.m.-10:20 a.m.

2 stops12h 40m

Dublin

Wed 15/10

9:20 a.m.-7:49 a.m.

2 stops27h 29m

C$ 821

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 10/10

8:10 a.m.-8:15 a.m.

1 stop19h 05m

Dublin

Thu 16/10

9:20 a.m.-9:46 p.m.

2 stops17h 26m

C$ 847

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

5:10 p.m.-8:15 a.m.

1 stop10h 05m

Dublin

Sat 18/10

8:50 a.m.-7:20 p.m.

2 stops15h 30m

C$ 855

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 3/10

11:00 p.m.-6:25 p.m.

1 stop14h 25m

Dublin

Fri 10/10

8:10 a.m.-9:00 p.m.

1 stop17h 50m

C$ 858

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

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

1 stop22h 15m

Dublin

Tue 7/10

10:10 a.m.-12:27 a.m.

2 stops19h 17m

C$ 863

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 37 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, January is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 458). Flying from Montreal to Ireland 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 IE?

Find hourly flight availability from Montreal to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal to Ireland as you normally would.

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

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

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

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 15 September 2025.
Get a feel of what it's like to fly with Air Transat,Aer Lingus, 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.
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
438 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Aer Lingus
7.2
Good
1,270 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
10,000 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
7,407 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
British Airways
6.7
Okay
7,361 reviews
Air Transat
7.7
Good
438 reviews
Check prices

Entertainment

7.0

Overall

7.7

Boarding

7.9

Food

6.7

Comfort

7.3

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 40m. There are 4768 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$ 222 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 Porter Airlines and American Airlines, with prices starting from C$ 231 and C$ 880, 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 - Shannon or Montreal Pierre Elliott Trudeau Intl - Knock Intl.

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

    Before booking your flight to Ireland from Montreal, check out the most reliable airlines to get you to your destination on time: Air Canada (82%), United Airlines (82%), Lufthansa( 82%).

  • What are the cheapest flights from Montreal to Ireland?

    While on average a flight from Montreal to Ireland is generally C$ 1,069, our data shows the cheapest flight currently is C$ 823. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 616 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, January is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 458). Flying from Montreal to Ireland 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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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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Top 10 airlines flying from Montreal to Ireland

Discover the top 10 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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 589AverageC$ 845FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 593AverageC$ 871FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
British AirwaysCheapestC$ 651AverageC$ 918FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 667AverageC$ 908FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapestC$ 682AverageC$ 744FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapestC$ 710AverageC$ 894FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapestC$ 775AverageC$ 1,017FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 822AverageC$ 1,043FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 822AverageC$ 918FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 837AverageC$ 871FlexibilityNo 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 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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