$315 Cheap Flights from Montreal (YUL) to Harlingen (HRL)

View $315 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Montreal to Harlingen (YUL-HRL)

Prices were available within the past 7 days and start at $315 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Montreal (YUL) to Harlingen (HRL)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Valley Intl.
Distance
1872 mi

Montreal to Harlingen Flights

The cheapest times to fly from Montreal to Harlingen

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

 

The best time to book a flight from Montreal to Harlingen

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

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 Harlingen in 2025. You can also book with separate airlines for your outbound and return journeys, from $315 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 Harlingen 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 Harlingen 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 Valley Intl. Airport (HRL) cost?
Secure a cheap one-way flight from $315 or cheap return flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL) 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)?
The cheapest month to fly from YUL to HRL is , when there's less demand. Off-peak season is generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YUL to HRL flight.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)?
There are no daily nonstop flights available from Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from YUL to HRL?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)?
To avoid potential delays on the Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL) route, fly before 3 PM. Departures after this time are 22% more likely to be canceled.**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 Valley Intl. Airport (HRL) last-minute?
Holding off until just before your departure to book your flight from YUL to HRL generally means paying more. While you may find some last-minute offers, they're not always guaranteed. Keep your travel schedule open for the best chance of getting a bargain.
Is it cheaper to book a YUL to HRL flight and hotel package?
You can save money by securing a YUL to HRL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Valley Intl. Airport (HRL)?
Typically, you can reschedule or cancel your YUL to HRL flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you need more information, visit our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.