$336 Cheap Flights from Montreal (YUL) to Dublin (DUB)

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Dublin Airport (DUB)

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Cheap Flights from Montreal to Dublin (YUL-DUB)

Prices were available within the past 7 days and start at $336 for one-way flights and $557 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Porter Airlines
Porter Airlines
American Airlines
American Airlines
Porter Airlines
TAP Portugal
American Airlines
Air Canada
British Airways

Find the cheapest month to fly from Montreal (YUL) to Dublin (DUB)

September is typically the cheapest month to fly

From $433 - $786 per traveler.

Graph displaying average flight prices per month

Alternative airports near Dublin

Prices were available within the past 7 days. Prices and availability are subject to change.

Flights from Montreal (YUL) to Dublin (DUB)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Dublin
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Delta, KLM, Lufthansa, Porter Airlines, Swiss International Air Lines, TAP Portugal, United, WestJet
Roundtrip price
$556
Distance
2965 mi
Average flight time
6 hours 5 mins

Montreal to Dublin Flights

The cheapest times to fly from Montreal to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Montreal to Dublin are during the month of November. You can find some of the cheapest flights from Montreal to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Montreal to Dublin

Sunday is one of the best days to book for cheap flights from Montreal to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Montreal to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Montreal to Dublin in 2025. You can also book with separate airlines for your outbound and return journeys, from $336 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Montreal to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Montreal to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB) cost?
Cheap round-trip fares from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB) start from $585. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada flight leaving YUL on August 11 2025 and touching down at DUB. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from YUL to DUB?
The cheapest flights from YUL to DUB are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from YUL to DUB?
With prices starting from $318 for a one-way journey from YUL to DUB, Air Canada is currently the cheapest carrier for this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YUL on July 30 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB)?
There are no daily nonstop flights departing from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from YUL to DUB?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from YUL to DUB?
With 81% of journeys generally landing on schedule, Lufthansa has the best on-time performance for direct flights from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB). To keep track of your flight status and get notified if anything changes, simply head to the Expedia App.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB)?
To avoid potential delays on the Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB) last-minute?
Waiting until just before your departure to book a ticket from YUL to DUB generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a YUL to DUB flight and hotel package?
Compared with arranging hotels and flights separately, booking a YUL to DUB flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Dublin Airport (DUB)?
It's usually possible to reschedule or cancel your YUL to DUB flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.
*Available to One Key members.