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Cheap flights from Montreal to Ireland from C$ 333

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — DUB
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Ireland

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 31/128:10 p.m.YUL - DUB
2 stops15h 25mLufthansa
Wed 7/15:20 p.m.DUB - YUL
2 stops27h 50mLufthansa
Deal found 15/12C$ 1,155
Wed 31/123:00 p.m.YUL - DUB
1 stop11h 30mMultiple Airlines
Wed 7/15:20 p.m.DUB - YUL
2 stops27h 50mMultiple Airlines
Deal found 15/12C$ 1,181
Wed 17/127:00 p.m.YUL - DUB
1 stop10h 20mUnited Airlines
Wed 24/1212:05 p.m.DUB - YUL
2 stops30h 55mUnited Airlines
Deal found 16/12C$ 1,221
Tue 16/128:05 a.m.YUL - DUB
1 stop20h 50mAir Canada
Tue 23/121:35 p.m.DUB - YUL
1 stop28h 53mAir Canada
Deal found 15/12C$ 1,232
Wed 31/127:30 p.m.YUL - DUB
1 stop9h 45mAir Canada
Wed 7/13:30 p.m.DUB - YUL
1 stop29h 40mAir Canada
Deal found 15/12C$ 1,294
Thu 25/125:00 p.m.YUL - DUB
1 stop9h 50mAir France
Wed 31/128:55 a.m.DUB - YUL
1 stop11h 25mAir France
Deal found 17/12C$ 1,312
Tue 16/129:15 a.m.YUL - DUB
1 stop20h 05mUnited Airlines
Tue 23/1212:05 p.m.DUB - YUL
2 stops30h 55mUnited Airlines
Deal found 15/12C$ 1,316
Tue 16/127:10 p.m.YUL - DUB
2 stops22h 55mMultiple Airlines
Tue 23/129:15 a.m.DUB - YUL
3 stops40h 00mMultiple Airlines
Deal found 15/12C$ 1,451

Find flight deals from Montreal to Ireland

Keep the following information in mind while searching for Montreal to Ireland flight deals. Data was last updated 18 December 2025.

Round-trip from

C$ 639

One-way from

C$ 333

Popular in

December

Cheapest in

September

Average price

C$ 1,061

Good round-trip deal

C$ 1,016 or less
WestJet
  • WestJet
  • 1/4-4/4
  • 2 total stops
  • 40h 23m total
  • Montreal to Ireland
Search Deals
23/1
  • 23/1
  • 1 total stop
  • 16h 10m total
  • Montreal to Ireland
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Montreal (YMQ) to Ireland.
Search Deals

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 18 December 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

Mon 30/3

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

1 stop22h 15m

Dublin

Sat 18/4

11:30 a.m.-12:38 a.m.

1 stop18h 08m

C$ 676

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 23/5

5:40 p.m.-11:30 a.m.

1 stop12h 50m

Dublin

Fri 5/6

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

1 stop11h 15m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

5:40 p.m.-11:30 a.m.

1 stop12h 50m

Dublin

Mon 1/6

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

1 stop11h 15m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

5:40 p.m.-11:30 a.m.

1 stop12h 50m

Dublin

Fri 5/6

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

1 stop11h 15m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

1 stop9h 55m

Dublin

Tue 2/6

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

1 stop13h 02m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

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

1 stop9h 55m

Dublin

Wed 3/6

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

1 stop11h 05m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

5:40 p.m.-11:30 a.m.

1 stop12h 50m

Dublin

Sat 6/6

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

1 stop13h 02m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

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

1 stop9h 55m

Dublin

Tue 2/6

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

1 stop13h 02m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

1 stop9h 55m

Dublin

Mon 1/6

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

1 stop11h 15m

C$ 701

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 19/5

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

1 stop9h 55m

Dublin

Sun 31/5

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

1 stop11h 05m

C$ 716

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 33 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, September is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 594). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 868). 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 18 December 2025.

When flying from Montreal to Ireland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 33% versus a flight in the evening.

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 Tuesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from Montreal to Ireland delayed?

About 7% of weekly flights between Montreal and Ireland 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 Ireland 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 Ireland 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 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 18 December 2025.
Get a feel of what it's like to fly with Air Transat,WestJet, 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
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
483 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
WestJet
7.2
Good
3,204 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,534 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,634 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
British Airways
6.7
Okay
7,585 reviews
Air Transat
7.8
Good
483 reviews
Check prices

Entertainment

7.1

Food

6.8

Crew

8.4

Boarding

7.9

Overall

7.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 10m. There are 4680 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$ 360 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Air Canada, with prices starting from C$ 394 and C$ 439, 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 - Cork or Montreal Pierre Elliott Trudeau Intl - Shannon.

  • What are the cheapest flights from Montreal to Ireland?

    While on average a flight from Montreal to Ireland is generally C$ 1,101, our data shows the cheapest flight currently is C$ 931. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 683 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, September is the cheapest month in which you can book a flight from Montreal to Ireland (average of C$ 594). Flying from Montreal to Ireland in December is currently the most expensive (average of C$ 868). 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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Ottawa to Dublin flights

Top 9 airlines flying from Montreal to Ireland

Discover the top 9 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 586AverageC$ 851FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 588AverageC$ 844FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 646AverageC$ 945FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapestC$ 658AverageC$ 810FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapestC$ 766AverageC$ 983FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 805AverageC$ 1,040FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapestC$ 819AverageC$ 1,039FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapestC$ 835AverageC$ 868FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapestC$ 891AverageC$ 1,129FlexibilityNo 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 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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