$341 Cheap Flights from Allentown (ABE) to Montreal (YUL)

View $341 flight on Mon, Sep 8, 2025Opens in a new window

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Cheap Flights from Allentown to Montreal (ABE-YUL)

Prices were available within the past 7 days and start at $341 for one-way flights and $644 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 3 - Sat, Sep 13
ABE
Allentown
YUL
Montreal
$644 Roundtrip, found 5 days ago
$644
Roundtrip
found 5 days ago
Select United flight, departing Wed, Sep 3 from Allentown to Montreal, returning Sat, Sep 13, priced at $644 found 5 days ago
American Airlines
Mon, Sep 8 - Mon, Sep 15
ABE
Allentown
YUL
Montreal
$660 Roundtrip, found 1 day ago
$660
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 8 from Allentown to Montreal, returning Mon, Sep 15, priced at $660 found 1 day ago
United
Mon, Sep 8 - Mon, Sep 15
ABE
Allentown
YUL
Montreal
$661 Roundtrip, found 1 day ago
$661
Roundtrip
found 1 day ago
Select United flight, departing Mon, Sep 8 from Allentown to Montreal, returning Mon, Sep 15, priced at $661 found 1 day ago
American Airlines
Sun, Jul 13 - Wed, Jul 16
ABE
Allentown
YUL
Montreal
$663 Roundtrip, found 6 days ago
$663
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sun, Jul 13 from Allentown to Montreal, returning Wed, Jul 16, priced at $663 found 6 days ago
United
Sun, Jul 13 - Wed, Jul 16
ABE
Allentown
YUL
Montreal
$664 Roundtrip, found 6 days ago
$664
Roundtrip
found 6 days ago
Select United flight, departing Sun, Jul 13 from Allentown to Montreal, returning Wed, Jul 16, priced at $664 found 6 days ago
United
Mon, May 12 - Wed, May 14
ABE
Allentown
YUL
Montreal
$665 Roundtrip, found 4 days ago
$665
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 12 from Allentown to Montreal, returning Wed, May 14, priced at $665 found 4 days ago
United
Thu, Aug 7 - Sun, Aug 10
ABE
Allentown
YUL
Montreal
$667 Roundtrip, found 1 day ago
$667
Roundtrip
found 1 day ago
Select United flight, departing Thu, Aug 7 from Allentown to Montreal, returning Sun, Aug 10, priced at $667 found 1 day ago
United
Mon, May 12 - Wed, May 14
ABE
Allentown
YUL
Montreal
$669 Roundtrip, found 4 days ago
$669
Roundtrip
found 4 days ago
Select United flight, departing Mon, May 12 from Allentown to Montreal, returning Wed, May 14, priced at $669 found 4 days ago
Delta
Mon, Sep 8 - Mon, Sep 15
ABE
Allentown
YUL
Montreal
$850 Roundtrip, found 1 day ago
$850
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Sep 8 from Allentown to Montreal, returning Mon, Sep 15, priced at $850 found 1 day ago
WestJet
Fri, Jun 6 - Fri, Jun 13
ABE
Allentown
YUL
Montreal
$1,563 Roundtrip, found 3 days ago
$1,563
Roundtrip
found 3 days ago
Select WestJet flight, departing Fri, Jun 6 from Allentown to Montreal, returning Fri, Jun 13, priced at $1,563 found 3 days ago
Flights from Allentown (ABE) to Montreal (YUL)
Origin airport
Lehigh Valley Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
WestJet
Roundtrip price
$643
Distance
342 mi

Allentown to Montreal Flights

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

The best time to book a flight from Allentown to Montreal

Sunday is one of the best days to book for cheap flights from Allentown 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 Allentown 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 Allentown to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $341 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 Allentown 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 Allentown 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.

Frequently asked questions

How much does a flight from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Discover the latest flight deals from ABE to YUL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ABE to YUL?
The cheapest flights from ABE to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL)?
You can’t fly directly from Allentown, PA (ABE-Lehigh Valley Intl.) to Pierre Elliott Trudeau Intl. Airport (YUL). However, you’ll find other airports with nonstop flights. Start your journey at Philadelphia Intl. Airport (PHL) and travel straight to Montreal without layovers.
What is the cheapest airline that flies from ABE to YUL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ABE to YUL. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL)?
There aren’t any daily direct flights departing from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be soaring above the clouds before you know it.
What day of the week has the most flights from ABE to YUL?
You’ll typically find Tuesday the quietest day for flights, while Fridays are often 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 is the best time to fly from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Select a flight from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time 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 Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Last-minute bookings from ABE to YUL are generally more expensive. To lock in the lowest rates, start looking for flights ahead of time. That said, if you’re flexible with your travel dates, it’s possible to score a cheap ticket right before your journey.
Is it cheaper to book an ABE to YUL flight and hotel package?
Compared with arranging hotels and flights separately, booking an ABE to YUL flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Lehigh Valley Intl. Airport (ABE) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Typically, it’s possible to cancel or reschedule your ABE to YUL flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are possible and if any costs are involved. You’ll also find more information on our Customer Service portal.

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*Available to One Key members.