Cheap Flights from Montreal (YUL) to Union Island (UNI)

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Union Island (UNI)

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI) cost?
Get a cheap one-way flight or cheap return flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI)?
is the least expensive month to fly from YUL to UNI. Traveling outside of peak seasons is often the key to finding better fares.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI)?
To find the cheapest airline flying from YUL to UNI, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI)?
You'll have to take a flight with a layover when traveling from Pierre Elliott Trudeau Intl. Airport (YUL) to Union Island (UNI). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from YUL to UNI?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season 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 Union Island (UNI)?
To reach Union Island (UNI) on time, choose a flight that leaves from Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Union Island (UNI) last-minute?
Booking your plane ticket from YUL to UNI shortly before your journey is typically more expensive. But if you're flexible with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a YUL to UNI flight and hotel package?
Compared with arranging hotels and flights separately, booking a YUL to UNI flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place will take the stress out of planning your trip. Simply secure your flights and select from our wide range of hotels, then customize 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 Union Island (UNI)?
If you booked your YUL to UNI flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Union Island
Distance
2382 mi

Book with confidence

Book with confidence

Montreal to Union Island Flights

The cheapest times to fly from Montreal to Union Island

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

 

The best time to book a flight from Montreal to Union Island

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

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 Union Island 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 Montreal to Union Island 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 Union Island 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.

 

Montreal to Union Island Flights

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Explore a world of travel with Expedia

*Available to One Key members.