What are the cheapest airlines to fly from Montreal to Ireland one-way?

C$ 458 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on TAP AIR PORTUGAL and American Airlines, with prices starting from C$ 746 and C$ 897, respectively.

In terms of precipitation, rainfall in Ireland 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 Ireland when rainfall is around 49.0 mm.

If weather is an important factor for your trip to Ireland, 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 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 - Milltown (Kerry) Kerry.

What are the cheapest flights from Montreal to Ireland?

While on average a flight from Montreal to Ireland is generally C$ 857, our data shows the cheapest flight currently is C$ 440. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 768 for that flight.

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 (89%), United Airlines (89%), Lufthansa( 89%).

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

Consider American Airlines, Air Canada or Air France when booking your flight. These represent the most popular airlines when flying from Montreal to Ireland.

What is the cheapest day to fly round-trip from Montreal to Ireland?

Users have found that flying from Montreal to Ireland on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Montreal to Ireland?

To save on the cost of your flight from Montreal to Ireland, book at least 32 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from C$ 751 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 751.

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

Our data shows that January tends to be the cheapest month to fly to Ireland from Montreal. Users have commonly found prices around C$ 981 for the month, but tickets can be as low as C$ 685. Due to multiple factors, prepare for potentially higher prices in December.

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.

C$ 349+ Flights from Montreal to Ireland

Cheap flight deals from Montreal to Ireland

Round-trip from	C$ 819
One-way from	C$ 349
Popular in	December
Cheapest in	January
Average price	C$ 1,049
Good round-trip deal	C$ 981 or less
Good one-way deal	C$ 469 or less

22/9-15/10
2 total stops
27h 10m total
Montreal to Ireland

Search Deals

13/9
1 total stop
23h 45m total
Montreal to Ireland

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (C$ 30 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 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.

Search Deals

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 31 July 2025.

Mon 22/911:00 p.m.YUL - DUB

1 stop14h 40mMultiple Airlines

Wed 15/101:30 p.m.DUB - YUL

1 stop12h 30mMultiple Airlines

Deal found 31/7C$ 819

Fri 5/98:40 p.m.YUL - DUB

Nonstop6h 05mLufthansa

Sat 13/99:20 a.m.DUB - YUL

Nonstop6h 30mLufthansa

Deal found 31/7C$ 823

Mon 17/119:45 p.m.YUL - DUB

1 stop13h 25mTAP AIR PORTUGAL

Mon 1/1211:10 a.m.DUB - YUL

1 stop14h 05mTAP AIR PORTUGAL

Deal found 30/7C$ 825

Wed 3/98:15 p.m.YUL - DUB

1 stop10h 15mPorter Airlines

Thu 11/91:15 p.m.DUB - YUL

1 stop11h 05mPorter Airlines

Deal found 29/7C$ 830

Thu 16/1010:05 p.m.YUL - DUB

1 stop17h 50mAmerican Airlines

Mon 20/102:30 p.m.DUB - YUL

1 stop10h 45mAmerican Airlines

Deal found 30/7C$ 834

Sat 6/99:50 p.m.YUL - DUB

1 stop29h 25mAir Canada

Wed 17/99:50 a.m.DUB - YUL

1 stop13h 30mAir Canada

Deal found 31/7C$ 841

Sun 31/86:45 a.m.YUL - DUB

1 stop23h 45mAir Transat

Tue 16/91:15 p.m.DUB - YUL

1 stop10h 52mAir Transat

Deal found 31/7C$ 848

Thu 9/1010:05 p.m.YUL - DUB

1 stop14h 40mBritish Airways

Wed 15/1012:45 p.m.DUB - YUL

1 stop12h 30mBritish Airways

Deal found 31/7C$ 859

Wed 3/94:40 p.m.YUL - DUB

1 stop14h 30mSWISS

Wed 10/96:40 p.m.DUB - YUL

2 stops31h 15mSWISS

Deal found 30/7C$ 882

Thu 4/128:40 p.m.YUL - ORK

1 stop13h 45mAmerican Airlines

Tue 23/1211:55 a.m.ORK - YUL

1 stop11h 50mAmerican Airlines

Deal found 30/7C$ 1,027

Wed 3/128:40 p.m.YUL - SNN

1 stop9h 50mAmerican Airlines

Sun 7/127:50 a.m.SNN - YUL

1 stop15h 55mAmerican Airlines

Deal found 29/7C$ 1,039

Thu 4/125:00 p.m.YUL - ORK

2 stops14h 55mKLM

Tue 23/126:00 a.m.ORK - YUL

2 stops19h 50mKLM

Deal found 31/7C$ 1,261

Best flights from Montreal to Ireland
Discover carefully curated flight deals from Montreal to Ireland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 July 2025.

Mon 22/911:00 p.m.YUL - DUB

1 stop14h 40mMultiple Airlines

Wed 15/101:30 p.m.DUB - YUL

1 stop12h 30mMultiple Airlines

Deal found 31/7C$ 819

Fri 5/98:40 p.m.YUL - DUB

Nonstop6h 05mLufthansa

Sat 13/99:20 a.m.DUB - YUL

Nonstop6h 30mLufthansa

Deal found 31/7C$ 823

Mon 17/119:45 p.m.YUL - DUB

1 stop13h 25mTAP AIR PORTUGAL

Mon 1/1211:10 a.m.DUB - YUL

1 stop14h 05mTAP AIR PORTUGAL

Deal found 30/7C$ 825

Wed 3/98:15 p.m.YUL - DUB

1 stop10h 15mPorter Airlines

Thu 11/91:15 p.m.DUB - YUL

1 stop11h 05mPorter Airlines

Deal found 29/7C$ 830

Thu 16/1010:05 p.m.YUL - DUB

1 stop17h 50mAmerican Airlines

Mon 20/102:30 p.m.DUB - YUL

1 stop10h 45mAmerican Airlines

Deal found 30/7C$ 834

Sat 6/99:50 p.m.YUL - DUB

1 stop29h 25mAir Canada

Wed 17/99:50 a.m.DUB - YUL

1 stop13h 30mAir Canada

Deal found 31/7C$ 841

Sun 31/86:45 a.m.YUL - DUB

1 stop23h 45mAir Transat

Tue 16/91:15 p.m.DUB - YUL

1 stop10h 52mAir Transat

Deal found 31/7C$ 848

Thu 9/1010:05 p.m.YUL - DUB

1 stop11h 30mBritish Airways

Tue 14/1012:45 p.m.DUB - YUL

1 stop12h 30mBritish Airways

Deal found 31/7C$ 859

Wed 3/94:40 p.m.YUL - DUB

1 stop14h 30mSWISS

Wed 10/96:40 p.m.DUB - YUL

2 stops31h 15mSWISS

Deal found 30/7C$ 882

Thu 4/125:00 p.m.YUL - ORK

2 stops14h 55mKLM

Tue 23/126:00 a.m.ORK - YUL

2 stops19h 50mKLM

Deal found 29/7C$ 1,200

Thu 4/128:40 p.m.YUL - ORK

1 stop13h 45mAmerican Airlines

Tue 23/1211:55 a.m.ORK - YUL

1 stop11h 50mAmerican Airlines

Deal found 30/7C$ 1,027

Wed 3/128:40 p.m.YUL - SNN

1 stop9h 50mAmerican Airlines

Sun 7/127:50 a.m.SNN - YUL

1 stop15h 55mAmerican Airlines

Deal found 29/7C$ 1,039

Direct flights from Montreal to Ireland
Explore direct flight options from Montreal to Ireland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 July 2025.

Fri 5/98:40 p.m.YUL - DUB

Nonstop6h 05mLufthansa

Sat 13/99:20 a.m.DUB - YUL

Nonstop6h 30mLufthansa

Deal found 31/7C$ 823

Fri 22/88:40 p.m.YUL - DUB

Nonstop6h 05mMultiple Airlines

Mon 8/99:20 a.m.DUB - YUL

Nonstop6h 30mMultiple Airlines

Deal found 31/7C$ 900

Sun 17/88:40 p.m.YUL - DUB

Nonstop6h 05mAir Canada

Mon 1/99:20 a.m.DUB - YUL

Nonstop6h 30mAir Canada

Deal found 31/7C$ 1,143

Last-minute flights from Montreal to Ireland
Discover last-minute flight deals from Montreal to Ireland. Data last updated 31 July 2025 and is based on user searches.

Wed 6/88:40 p.m.YUL - DUB

Nonstop6h 05mAir Canada

Tue 12/89:20 a.m.DUB - YUL

Nonstop6h 30mAir Canada

Deal found 29/7C$ 869

Wed 6/86:45 a.m.YUL - DUB

2 stops20h 50mWestJet

Tue 12/810:10 a.m.DUB - YUL

2 stops19h 17mWestJet

Deal found 30/7C$ 1,268

Wed 6/84:00 p.m.YUL - DUB

1 stop11h 15mAir Canada

Tue 12/89:20 a.m.DUB - YUL

Nonstop6h 30mAir Canada

Deal found 29/7C$ 875

Fri 8/88:40 p.m.YUL - DUB

Nonstop6h 05mLufthansa

Sat 16/89:20 a.m.DUB - YUL

Nonstop6h 30mLufthansa

Deal found 31/7C$ 901

Fri 8/88:00 a.m.YUL - DUB

1 stop19h 15mMultiple Airlines

Sat 16/89:20 a.m.DUB - YUL

Nonstop6h 30mMultiple Airlines

Deal found 31/7C$ 902

Sat 9/88:10 a.m.YUL - DUB

2 stops18h 00mUnited Airlines

Sat 16/88:50 a.m.DUB - YUL

2 stops18h 16mUnited Airlines

Deal found 31/7C$ 984

Sun 17/88:40 p.m.YUL - DUB

Nonstop6h 05mLufthansa

Sat 30/89:20 a.m.DUB - YUL

Nonstop6h 30mLufthansa

Deal found 31/7C$ 901

Tue 19/811:00 p.m.YUL - DUB

1 stop13h 40mMultiple Airlines

Mon 8/99:45 a.m.DUB - YUL

2 stops19h 42mMultiple Airlines

Deal found 31/7C$ 833

Tue 19/810:00 a.m.YUL - DUB

1 stop20h 30mPorter Airlines

Mon 8/91:15 p.m.DUB - YUL

1 stop25h 52mPorter Airlines

Deal found 31/7C$ 839

Wed 20/84:45 p.m.YUL - DUB

2 stops44h 05mSWISS

Tue 9/96:40 p.m.DUB - YUL

1 stop25h 20mSWISS

Deal found 31/7C$ 955

Sun 31/86:45 a.m.YUL - DUB

1 stop23h 45mAir Transat

Tue 16/91:15 p.m.DUB - YUL

1 stop10h 52mAir Transat

Deal found 31/7C$ 848

One-way flights from Montreal to Ireland
Search for one-way flight options from Montreal to Ireland. Find affordable one-way fares based on user searches. Data last updated 31 July 2025.

Sat 13/96:45 a.m.YUL - DUB

1 stop23h 45mMultiple Airlines

Deal found 30/7C$ 349

Wed 1/106:45 a.m.YUL - DUB

2 stops20h 40mWestJet

Deal found 31/7C$ 458

Sun 28/129:45 p.m.YUL - DUB

1 stop13h 25mTAP AIR PORTUGAL

Deal found 29/7C$ 746

Mon 29/123:15 p.m.YUL - DUB

2 stops17h 20mAmerican Airlines

Deal found 29/7C$ 897

Sat 20/910:05 p.m.YUL - DUB

1 stop13h 35mBritish Airways

Deal found 31/7C$ 951

Fly from

Fly to

Route

Depart

Return

Price

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 22/9

11:00 p.m.-6:40 p.m.

1 stop14h 40m

Dublin

Wed 15/10

1:30 p.m.-9:00 p.m.

1 stop12h 30m

C$ 819

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Fri 5/9

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

Nonstop6h 05m

Dublin

Sat 13/9

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

Nonstop6h 30m

C$ 823

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

9:45 p.m.-4:10 p.m.

1 stop13h 25m

Dublin

Mon 1/12

11:10 a.m.-8:15 p.m.

1 stop14h 05m

C$ 825

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

8:15 p.m.-11:30 a.m.

1 stop10h 15m

Dublin

Thu 11/9

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

1 stop11h 05m

C$ 830

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

10:05 p.m.-8:55 p.m.

1 stop17h 50m

Dublin

Mon 20/10

2:30 p.m.-8:15 p.m.

1 stop10h 45m

C$ 834

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

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

1 stop29h 25m

Dublin

Wed 17/9

9:50 a.m.-6:20 p.m.

1 stop13h 30m

C$ 841

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Sun 31/8

6:45 a.m.-11:30 a.m.

1 stop23h 45m

Dublin

Tue 16/9

1:15 p.m.-7:07 p.m.

1 stop10h 52m

C$ 848

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

10:05 p.m.-2:35 p.m.

1 stop11h 30m

Dublin

Tue 14/10

12:45 p.m.-8:15 p.m.

1 stop12h 30m

C$ 859

MontrealDublin

YUL - DUB

YULDUB

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

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

1 stop14h 30m

Dublin

Wed 10/9

6:40 p.m.-8:55 p.m.

2 stops31h 15m

C$ 882

MontrealCork

YUL - ORK

YULORK

Montreal Pierre Elliott Trudeau Intl

Thu 4/12

8:40 p.m.-3:25 p.m.

1 stop13h 45m

Cork

Tue 23/12

11:55 a.m.-6:45 p.m.

1 stop11h 50m

C$ 1,027

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 20 results

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?

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?

Travelers seeking maximum savings on their Montreal to Ireland flight should consider departing on Thursday evenings 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.

Reviews of airlines servicing Ireland

Get a feel of what it's like to fly with Porter Airlines,KLM, andAir Transat 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.

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Porter Airlines

8.0

Very good

318 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

KLM

7.8

Good

1,383 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Air Transat

7.7

Good

424 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

SWISS

7.5

Good

1,686 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

American Airlines

7.2

Good

10,000 reviews

Porter Airlines

8.0

Very good

318 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Jul 2025

LIS - YYZ

Related info for your journey

What are the cheapest airlines to fly from Montreal to Ireland one-way?
C$ 458 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on TAP AIR PORTUGAL and American Airlines, with prices starting from C$ 746 and C$ 897, 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 - Milltown (Kerry) Kerry.
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 (89%), United Airlines (89%), Lufthansa( 89%).
What are the cheapest flights from Montreal to Ireland?
While on average a flight from Montreal to Ireland is generally C$ 857, our data shows the cheapest flight currently is C$ 440. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Dublin), you can expect to pay C$ 768 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Montreal to Ireland

Pierre Elliott Trudeau Intl to Charles de Gaulle flights

Pierre Elliott Trudeau Intl to Lisbon flights

Pierre Elliott Trudeau Intl to Orly flights

Pierre Elliott Trudeau Intl to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Heathrow flights

Pierre Elliott Trudeau Intl to Istanbul flights

Pierre Elliott Trudeau Intl to Athens flights

Pierre Elliott Trudeau Intl to Barcelona-El Prat flights

Pierre Elliott Trudeau Intl to Gatwick flights

Pierre Elliott Trudeau Intl to Málaga flights

Pierre Elliott Trudeau Intl to Madrid flights

Pierre Elliott Trudeau Intl to Frankfurt flights

Pierre Elliott Trudeau Intl to London City flights

Québec City to Charles de Gaulle flights

Pierre Elliott Trudeau Intl to Bruxelles-National flights

Pierre Elliott Trudeau Intl to Sabiha Gokcen flights

Pierre Elliott Trudeau Intl to Beauvais-Tille flights

Pierre Elliott Trudeau Intl to Amsterdam flights

Pierre Elliott Trudeau Intl to Lyon flights

Pierre Elliott Trudeau Intl to Luton flights

Pierre Elliott Trudeau Intl to Stansted flights

Pierre Elliott Trudeau Intl to Vicenza flights

Pierre Elliott Trudeau Intl to Nice flights

Pierre Elliott Trudeau Intl to Malpensa flights

Pierre Elliott Trudeau Intl to Ponta Delgada flights

Pierre Elliott Trudeau Intl to Geneva flights

Pierre Elliott Trudeau Intl to Munich flights

Ottawa to Heathrow flights

Ottawa to Frederic Chopin flights

Pierre Elliott Trudeau Intl to Zurich flights

Pierre Elliott Trudeau Intl to Naples flights

Pierre Elliott Trudeau Intl to Vienna flights

Pierre Elliott Trudeau Intl to Marseille flights

Québec City to Orly flights

Ottawa to Charles de Gaulle flights

Pierre Elliott Trudeau Intl to Porto flights

Pierre Elliott Trudeau Intl to Keflavik Intl flights

Pierre Elliott Trudeau Intl to Ljubljana flights

Québec City to Lisbon flights

Pierre Elliott Trudeau Intl to Toulouse flights

Pierre Elliott Trudeau Intl to Funchal flights

Ottawa to Gatwick flights

Pierre Elliott Trudeau Intl to Edinburgh flights

Québec City to Frankfurt flights

Ottawa to Orly flights

Pierre Elliott Trudeau Intl to Copenhagen flights

Pierre Elliott Trudeau Intl to Linate flights

Ottawa to Leonardo da Vinci/Fiumicino flights

Pierre Elliott Trudeau Intl to Zagreb flights

Pierre Elliott Trudeau Intl to Bordeaux flights

Direct flights to

Direct flights to London

Direct flights to Paris

Direct flights to Istanbul

Direct flights to Rome

Direct flights to Lisbon

Direct flights to Athens

Direct flights to Barcelona

Direct flights to Dublin

Direct flights to Amsterdam

Direct flights to Frankfurt am Main

Direct flights to Warsaw

Direct flights to Zurich

Direct flights to Manchester

Direct flights to Edinburgh

Direct flights to Madrid

Direct flights to Ponta Delgada

Direct flights to Milan

Direct flights to Zagreb

Direct flights to Porto

Direct flights to Reykjavik

Direct flights to Vienna

Direct flights to Venice

Direct flights to Copenhagen

Direct flights to Málaga

Direct flights to Brussels

Direct flights to Stockholm

Direct flights to Munich

Direct flights to Glasgow

Direct flights to Faro

Direct flights to Funchal

Direct flights to Nice

Direct flights to Lamezia Terme

Direct flights to Geneva

Direct flights to Lyon

Direct flights to Marseille

Direct flights to Toulouse

Direct flights to Lajes

Direct flights to Basel

Direct flights to Bordeaux

Direct flights to Nantes

Top 10 airlines flying from Montreal to Ireland

Airline	Cheapest	Average	Flexibility	On-time
Porter Airlines	CheapestC$ 590	AverageC$ 848	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 594	AverageC$ 869	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
WestJet	CheapestC$ 669	AverageC$ 926	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Aer Lingus	CheapestC$ 684	AverageC$ 745	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
TAP AIR PORTUGAL	CheapestC$ 711	AverageC$ 822	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Lufthansa	CheapestC$ 769	AverageC$ 1,019	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Air France	CheapestC$ 823	AverageC$ 920	FlexibilityNo cancel fee	On-time77%	Search Air France flights
British Airways	CheapestC$ 831	AverageC$ 931	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
American Airlines	CheapestC$ 839	AverageC$ 842	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air Canada	CheapestC$ 847	AverageC$ 1,038	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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.

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 Ireland from C$ 349

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 31 July 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Montreal to Ireland

Cheapest flights from Montreal to IrelandExplore 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 31 July 2025.

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 31 July 2025.

Cheapflights Fare Finder

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

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.

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?

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 31 July 2025.

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.

Reviews of airlines servicing Ireland

Get a feel of what it's like to fly with Porter Airlines,KLM, andAir Transat 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.

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.

What are the cheapest airlines to fly from Montreal to Ireland one-way?

What are the most popular routes from Montreal to Ireland?

What are the most reliable airlines from Montreal to Ireland?

What are the cheapest flights from Montreal to Ireland?

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

How can I find direct flights from Montreal to Ireland?

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

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

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.

Alternative routes for Montreal to Ireland

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Montreal to Ireland

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 31 July 2025.