Cheap Flights from Portsmouth (PSM) to Montreal (YUL)

Popular airlines from Portsmouth, NH (PSM-Portsmouth Intl.) to Montreal–Trudeau Intl. Airport (YUL)

Frequently asked questions

How much does a flight from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Get a cheap one-way flight or cheap return flight from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Planning your trip for may help you find better deals, as it's the cheapest month for flights between PSM and YUL. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
There are no direct routes from Portsmouth, NH (PSM-Portsmouth Intl.) to Pierre Elliott Trudeau Intl. Airport (YUL). However, you'll find other airports offering nonstop flights. Begin your journey at Logan Intl. Airport (BOS) and travel straight to Montreal without layovers.
What is the cheapest airline that flies from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To find the cheapest airline flying from PSM to YUL, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
There aren't any daily direct flights available from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PSM to YUL?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Book a flight from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Last-minute bookings from PSM to YUL are generally more expensive. For the lowest rates, start looking for flights as early as possible. That said, if your travel plans are flexible, you may find a cheap fare just before your departure.
Is it cheaper to book a PSM to YUL flight and hotel package?
Securing a PSM to YUL flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portsmouth Intl. Airport (PSM) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you reserved your PSM to YUL flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portsmouth Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Distance
219 mi

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Portsmouth to Montreal Flights

The cheapest times to fly from Portsmouth to Montreal

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 Portsmouth to Montreal are during the month of . You can find some of the cheapest flights from Portsmouth to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portsmouth to Montreal

Sunday is one of the best days to book for cheap flights from Portsmouth to Montreal: 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 Portsmouth to Montreal

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 Portsmouth to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Portsmouth to Montreal 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 Portsmouth to Montreal 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.

 

Portsmouth to Montreal Flights

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*Available to One Key members.