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

Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Montreal Airport and UNI start from . Make your booking ASAP to get the best price for your trip. Prices and availability are subject to change. Additional terms apply.

The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for YUL to UNI flights, you'll see a "no change fees" filter for you to select.

You'll be in the air for a while, as the flight distance between Montréal–Trudeau and UNI is 3,800 kilometres. Create a playlist of your favourite podcasts before you leave home to keep yourself entertained during your journey.

If you want to fly straight from Pierre Elliott Trudeau Intl. Airport (YUL) to UNI, you'll need to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.

Tickets from Montréal–Trudeau to UNI are available up to 12 months before departure on Expedia. And although you may pick up a great last-minute deal, it's never something you can count on. Also, booking your flights ahead of time means you'll have more options — and you can avoid getting caught in the dreaded middle seat! We're always updating our fares to bring you the best bargains, so keep checking in for all the latest specials.