How long is the flight from Montreal to Dublin?

A quick flight from Montreal to Dublin can take about 15h 55m. American Airlines provides one of the quickest options available for as low as C$ 851. 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$ 596, 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 British Airways - these airlines can fly you to your destination from C$ 600 and C$ 651, respectively. Users have found that Porter Airlines is 39% cheaper than the other options available to this destination.

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.

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).

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$ 906, our data indicates the cheapest price to be C$ 653. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 723.

What are the most reliable airlines from Montreal to Dublin?

Consider Air Canada (85%), United Airlines (85%) or Lufthansa (85%) when booking your flight. These represent the most reliable airlines when flying from Montreal to Dublin.

What are the most popular airlines that fly from Montreal to Dublin?

Before booking your flight from Montreal to Dublin check out the most popular airlines for this route: Air Canada, Lufthansa or Air Transat.

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 12 different airlines.

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.

C$ 389+ Flights from Montreal to Dublin

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

Airfare is below average for this route at the moment. Montreal to Dublin flights typically cost between C$ 851 and C$ 1,078 in December. The cheapest round-trip price found within the last 3 days was C$ 727 on TAP AIR PORTUGAL (3 Dec-7 Dec).

Cheapflights Tip: The best prices from Montreal to Dublin are usually found in September or November, booked 46 days in advance, depart on a Saturday or Wednesday and return on a Thursday

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 10 October 2025.

Sun 23/118:15 p.m.YUL - DUB

1 stop17h 00mMultiple Airlines

Sat 6/126:20 p.m.DUB - YUL

2 stops29h 05mMultiple Airlines

Deal found 9/10C$ 723

Wed 3/129:45 p.m.YUL - DUB

1 stop20h 35mTAP AIR PORTUGAL

Sun 7/1211:10 a.m.DUB - YUL

1 stop14h 05mTAP AIR PORTUGAL

Deal found 8/10C$ 727

Thu 16/106:00 p.m.YUL - DUB

1 stop12h 30mMultiple Airlines

Thu 23/1010:00 a.m.DUB - YUL

2 stops13h 33mMultiple Airlines

Deal found 9/10C$ 794

Fri 24/105:05 p.m.YUL - DUB

1 stop13h 25mMultiple Airlines

Fri 31/102:05 p.m.DUB - YUL

1 stop34h 35mMultiple Airlines

Deal found 8/10C$ 799

Wed 19/119:40 p.m.YUL - DUB

1 stop16h 35mMultiple Airlines

Wed 26/1111:25 a.m.DUB - YUL

1 stop13h 15mMultiple Airlines

Deal found 9/10C$ 805

Fri 28/119:45 p.m.YUL - DUB

1 stop20h 35mTAP AIR PORTUGAL

Fri 5/1211:10 a.m.DUB - YUL

1 stop14h 05mTAP AIR PORTUGAL

Deal found 9/10C$ 811

Fri 28/119:45 p.m.YUL - DUB

1 stop20h 35mTAP AIR PORTUGAL

Sat 6/124:55 p.m.DUB - YUL

1 stop32h 20mTAP AIR PORTUGAL

Deal found 8/10C$ 823

Fri 7/119:40 p.m.YUL - DUB

1 stop15h 10mMultiple Airlines

Wed 19/1111:25 a.m.DUB - YUL

1 stop13h 15mMultiple Airlines

Deal found 9/10C$ 832

Mon 24/116:45 a.m.YUL - DUB

1 stop17h 30mMultiple Airlines

Mon 1/121:00 p.m.DUB - YUL

1 stop16h 43mMultiple Airlines

Deal found 9/10C$ 836

Sun 9/119:40 p.m.YUL - DUB

1 stop19h 40mMultiple Airlines

Sun 16/118:25 a.m.DUB - YUL

1 stop16h 15mMultiple Airlines

Deal found 7/10C$ 847

Sat 22/116:45 a.m.YUL - DUB

2 stops25h 00mMultiple Airlines

Fri 28/114:25 a.m.DUB - YUL

1 stop12h 50mMultiple Airlines

Deal found 8/10C$ 850

Best flights from Montreal to Dublin
Discover carefully curated flight deals from Montreal to Dublin that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 October 2025.

Mon 23/38:40 p.m.YUL - DUB

1 stop13h 20mMultiple Airlines

Sat 4/411:30 a.m.DUB - YUL

1 stop18h 08mMultiple Airlines

Deal found 9/10C$ 841

Thu 19/39:50 p.m.YUL - DUB

1 stop15h 55mAmerican Airlines

Mon 6/43:20 p.m.DUB - YUL

1 stop9h 55mAmerican Airlines

Deal found 9/10C$ 851

Thu 19/39:50 p.m.YUL - DUB

1 stop18h 00mBritish Airways

Sun 5/45:25 p.m.DUB - YUL

1 stop31h 50mBritish Airways

Deal found 9/10C$ 908

Sun 9/119:40 p.m.YUL - DUB

1 stop19h 40mMultiple Airlines

Sun 16/118:25 a.m.DUB - YUL

1 stop16h 15mMultiple Airlines

Deal found 7/10C$ 847

Thu 19/39:50 p.m.YUL - DUB

1 stop13h 50mAmerican Airlines

Wed 1/411:15 a.m.DUB - YUL

1 stop14h 00mAmerican Airlines

Deal found 9/10C$ 851

Tue 17/39:50 p.m.YUL - DUB

1 stop30h 05mBritish Airways

Sun 5/45:25 p.m.DUB - YUL

1 stop31h 50mBritish Airways

Deal found 9/10C$ 908

Wed 29/104:00 p.m.YUL - DUB

1 stop12h 40mMultiple Airlines

Mon 3/1111:30 a.m.DUB - YUL

1 stop16h 29mMultiple Airlines

Deal found 8/10C$ 858

Thu 6/1112:59 p.m.YUL - DUB

1 stop14h 41mAmerican Airlines

Thu 13/1111:30 a.m.DUB - YUL

1 stop16h 29mAmerican Airlines

Deal found 9/10C$ 864

Fri 13/39:50 p.m.YUL - DUB

1 stop10h 15mBritish Airways

Sun 22/38:40 p.m.DUB - YUL

1 stop27h 25mBritish Airways

Deal found 8/10C$ 914

Mon 27/1012:59 p.m.YUL - DUB

1 stop15h 41mMultiple Airlines

Mon 3/1111:30 a.m.DUB - YUL

1 stop16h 29mMultiple Airlines

Deal found 8/10C$ 858

Tue 11/118:40 p.m.YUL - DUB

1 stop16h 05mAmerican Airlines

Sat 22/1111:30 a.m.DUB - YUL

1 stop16h 29mAmerican Airlines

Deal found 8/10C$ 906

Mon 30/32:30 p.m.YUL - DUB

1 stop14h 25mMultiple Airlines

Mon 6/49:30 a.m.DUB - YUL

1 stop18h 15mMultiple Airlines

Deal found 9/10C$ 865

Last-minute flights from Montreal to Dublin
Discover last-minute flight deals from Montreal to Dublin. Data last updated 10 October 2025 and is based on user searches.

Thu 16/106:00 p.m.YUL - DUB

1 stop12h 30mMultiple Airlines

Thu 23/1010:00 a.m.DUB - YUL

2 stops13h 33mMultiple Airlines

Deal found 9/10C$ 794

Fri 24/105:05 p.m.YUL - DUB

1 stop13h 25mMultiple Airlines

Fri 31/102:05 p.m.DUB - YUL

1 stop34h 35mMultiple Airlines

Deal found 8/10C$ 799

Thu 6/1112:59 p.m.YUL - DUB

1 stop14h 41mAmerican Airlines

Thu 13/1111:30 a.m.DUB - YUL

1 stop16h 29mAmerican Airlines

Deal found 9/10C$ 854

Thu 6/1112:59 p.m.YUL - DUB

1 stop14h 41mAmerican Airlines

Wed 12/1111:30 a.m.DUB - YUL

1 stop29h 45mAmerican Airlines

Deal found 8/10C$ 857

Fri 7/119:40 p.m.YUL - DUB

1 stop15h 10mMultiple Airlines

Wed 19/1111:25 a.m.DUB - YUL

1 stop13h 15mMultiple Airlines

Deal found 9/10C$ 832

Sun 9/119:40 p.m.YUL - DUB

1 stop19h 40mMultiple Airlines

Sun 16/118:25 a.m.DUB - YUL

1 stop16h 15mMultiple Airlines

Deal found 7/10C$ 847

Wed 19/119:40 p.m.YUL - DUB

1 stop16h 35mMultiple Airlines

Wed 26/1111:25 a.m.DUB - YUL

1 stop13h 15mMultiple Airlines

Deal found 9/10C$ 805

Sat 22/116:45 a.m.YUL - DUB

2 stops25h 00mMultiple Airlines

Fri 28/114:25 a.m.DUB - YUL

1 stop12h 50mMultiple Airlines

Deal found 8/10C$ 850

Sun 23/118:15 p.m.YUL - DUB

1 stop17h 00mMultiple Airlines

Sat 6/126:20 p.m.DUB - YUL

2 stops29h 05mMultiple Airlines

Deal found 9/10C$ 723

Mon 24/116:45 a.m.YUL - DUB

1 stop17h 30mMultiple Airlines

Mon 1/121:00 p.m.DUB - YUL

1 stop16h 43mMultiple Airlines

Deal found 9/10C$ 836

Fri 28/119:45 p.m.YUL - DUB

1 stop20h 35mTAP AIR PORTUGAL

Fri 5/1211:10 a.m.DUB - YUL

1 stop14h 05mTAP AIR PORTUGAL

Deal found 9/10C$ 811

Fri 28/119:45 p.m.YUL - DUB

1 stop20h 35mTAP AIR PORTUGAL

Sat 6/124:55 p.m.DUB - YUL

1 stop32h 20mTAP AIR PORTUGAL

Deal found 8/10C$ 823

One-way flights from Montreal to Dublin
Search for one-way flight options from Montreal to Dublin. Find affordable one-way fares based on user searches. Data last updated 10 October 2025.

Fri 21/119:40 p.m.YUL - DUB

1 stop16h 10mMultiple Airlines

Deal found 7/10C$ 389

Mon 20/1011:00 p.m.YUL - DUB

1 stop32h 50mMultiple Airlines

Deal found 8/10C$ 411

Sun 19/1011:00 p.m.YUL - DUB

1 stop30h 55mMultiple Airlines

Deal found 9/10C$ 422

Fri 7/119:40 p.m.YUL - DUB

1 stop15h 10mMultiple Airlines

Deal found 9/10C$ 433

Mon 24/119:05 p.m.YUL - DUB

2 stops15h 25mMultiple Airlines

Deal found 7/10C$ 442

Wed 26/119:40 p.m.YUL - DUB

1 stop33h 55mMultiple Airlines

Deal found 7/10C$ 443

Sun 23/119:40 p.m.YUL - DUB

1 stop16h 35mMultiple Airlines

Deal found 7/10C$ 457

Mon 9/39:10 a.m.YUL - DUB

3 stops21h 05mMultiple Airlines

Deal found 7/10C$ 458

Tue 30/129:40 p.m.YUL - DUB

1 stop29h 15mMultiple Airlines

Deal found 7/10C$ 460

Mon 20/106:45 a.m.YUL - DUB

2 stops20h 50mWestJet

Deal found 8/10C$ 461

Cheap flight deals from Montreal to Dublin

Round-trip from	C$ 727
One-way from	C$ 389
Popular in	December
Cheapest in	September
Average price	C$ 967
Good round-trip deal	C$ 885 or less

TAP AIR PORTUGAL
3/12-7/12
2 total stops
34h 40m total
Montreal to Dublin

Search Deals

21/11
1 total stop
16h 10m total
Montreal to Dublin

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 27 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 27 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a round-trip flight from Montreal (YMQ) to Dublin.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

8:40 p.m.-2:00 p.m.

1 stop13h 20m

Dublin

Sat 4/4

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

1 stop18h 08m

C$ 841

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

9:40 p.m.-10:20 p.m.

1 stop19h 40m

Dublin

Sun 16/11

8:25 a.m.-7:40 p.m.

1 stop16h 15m

C$ 847

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:50 p.m.-5:45 p.m.

1 stop15h 55m

Dublin

Mon 6/4

3:20 p.m.-8:15 p.m.

1 stop9h 55m

C$ 851

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:50 p.m.-3:40 p.m.

1 stop13h 50m

Dublin

Wed 1/4

11:15 a.m.-8:15 p.m.

1 stop14h 00m

C$ 851

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 29/10

4:00 p.m.-8:40 a.m.

1 stop12h 40m

Dublin

Mon 3/11

11:30 a.m.-10:59 p.m.

1 stop16h 29m

C$ 858

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 27/10

12:59 p.m.-8:40 a.m.

1 stop15h 41m

Dublin

Mon 3/11

11:30 a.m.-10:59 p.m.

1 stop16h 29m

C$ 858

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 6/11

12:59 p.m.-8:40 a.m.

1 stop14h 41m

Dublin

Thu 13/11

11:30 a.m.-10:59 p.m.

1 stop16h 29m

C$ 864

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

2:30 p.m.-9:55 a.m.

1 stop14h 25m

Dublin

Mon 6/4

9:30 a.m.-10:45 p.m.

1 stop18h 15m

C$ 865

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Tue 11/11

8:40 p.m.-5:45 p.m.

1 stop16h 05m

Dublin

Sat 22/11

11:30 a.m.-10:59 p.m.

1 stop16h 29m

C$ 906

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 19/3

9:50 p.m.-7:50 p.m.

1 stop18h 00m

Dublin

Sun 5/4

5:25 p.m.-8:15 p.m.

1 stop31h 50m

C$ 908

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results

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?

To ensure you get the cheapest price possible for a flight from Montreal to Dublin, you should look to book at least 46 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$ 602). Flying from Montreal to Dublin in July is currently the most expensive (average of C$ 840). 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?

It’s optimal to fly from Montreal to Dublin in the morning. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.

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

Travelers seeking maximum savings on their Montreal to Dublin 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 much does it cost to fly round-trip from Montreal to Dublin?

What’s the top layover airport for flights from Montreal to Dublin?

Toronto (YYZ) – chosen by Cheapflights users on 65% of one-stop itineraries from Montreal to Dublin on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Dublin?

Newark (EWR) is the most affordable 1-stop option, with an average round-trip price of C$ 851.

What’s the fastest layover option from Montreal to Dublin?

Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 10h 13m.

Which airport typically offers the quickest layover for flights from Montreal to Dublin?

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 38m.

Reviews of airlines servicing Dublin

See what other customers who have flown with Porter Airlines,Air Transat, 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.

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Porter Airlines

7.9

Good

377 reviews

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Transat

7.7

Good

454 reviews

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Air Canada

7.1

Good

10,263 reviews

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Lufthansa

6.8

Okay

7,465 reviews

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

British Airways

6.7

Okay

7,446 reviews

Porter Airlines

7.9

Good

377 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,Sep 2025

YYZ - OPO

Related info for your journey

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 12 different airlines.
How long is the flight from Montreal to Dublin?
A quick flight from Montreal to Dublin can take about 15h 55m. American Airlines provides one of the quickest options available for as low as C$ 851. 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$ 596, 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 British Airways - these airlines can fly you to your destination from C$ 600 and C$ 651, respectively. Users have found that Porter Airlines is 39% cheaper than the other options available to this destination.
What are the most reliable airlines from Montreal to Dublin?
Consider Air Canada (85%), United Airlines (85%) or Lufthansa (85%) 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$ 906, our data indicates the cheapest price to be C$ 653. The most popular route (Montreal Pierre Elliott Trudeau Intl - Dublin), is priced around C$ 723.
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$ 602). Flying from Montreal to Dublin in July is currently the most expensive (average of C$ 840). 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

Other flights to Dublin

Other flights from Montreal

Pierre Elliott Trudeau Intl to Victoria flights

Pierre Elliott Trudeau Intl to Charlottetown flights

Pierre Elliott Trudeau Intl to Pearson Intl flights

Pierre Elliott Trudeau Intl to Toronto Island flights

Pierre Elliott Trudeau Intl to Vancouver Intl flights

Pierre Elliott Trudeau Intl to Edmonton flights

Top 10 airlines flying from Montreal to Dublin

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 596	AverageC$ 855	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 600	AverageC$ 879	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
British Airways	CheapestC$ 651	AverageC$ 915	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
WestJet	CheapestC$ 675	AverageC$ 845	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Aer Lingus	CheapestC$ 690	AverageC$ 743	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
TAP AIR PORTUGAL	CheapestC$ 719	AverageC$ 830	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	CheapestC$ 784	AverageC$ 1,015	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air Canada	CheapestC$ 826	AverageC$ 1,050	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air France	CheapestC$ 832	AverageC$ 929	FlexibilityNo cancel fee	On-time77%	Search Air France flights
American Airlines	CheapestC$ 847	AverageC$ 881	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Montreal to Dublin from C$ 389

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 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Montreal to Dublin are usually found in September or November, booked 46 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Find flight deals from Montreal to Dublin

Cheapest flights from Montreal to DublinExplore 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 10 October 2025.

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 10 October 2025.

Cheap flight deals from Montreal to Dublin

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Cheapflights Fare Finder

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

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.

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 3 October 2025.

What is the cheapest month to book a flight from Montreal to Dublin?

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 10 October 2025.

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.

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.

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.

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.

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.

Reviews of airlines servicing Dublin

See what other customers who have flown with Porter Airlines,Air Transat, 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.

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?

How long is the flight from Montreal to Dublin?

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

What are the most reliable airlines from Montreal to Dublin?

What are the cheapest flights from Montreal to Dublin?

Can I find deals for flights from Montreal to Dublin that include hotel bookings?

How can I find direct flights from Montreal to Dublin?

Can I find deals for business class flights from Montreal to Dublin?

What is the cheapest month to book a flight from Montreal to Dublin?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 October 2025.

Top 10 airlines flying from Montreal to Dublin

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?

Why should you use Cheapflights to find cheap flight tickets from Montreal to Dublin?

Can Cheapflights find flights from Montreal to Dublin with no change fees?

Can Cheapflights notify me if prices for flights from Montreal to Dublin become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 10 October 2025.