$335 Cheap Flights from Montreal (YUL) to Key West (EYW)

View $335 flight on Sat, Nov 1, 2025Opens in a new window

Popular airlines from Montreal–Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW)

Cheap Flights from Montreal to Key West (YUL-EYW)

Prices were available within the past 7 days and start at $335 for one-way flights and $569 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Nov 4 - Tue, Nov 11
YUL
Montreal
EYW
Key West
$569 Roundtrip, found 4 days ago
$569
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 4 from Montreal to Key West, returning Tue, Nov 11, priced at $569 found 4 days ago
American Airlines
Sat, Nov 1 - Wed, Nov 5
YUL
Montreal
EYW
Key West
$611 Roundtrip, found 1 hour ago
$611
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Nov 1 from Montreal to Key West, returning Wed, Nov 5, priced at $611 found 1 hour ago
Delta
Sat, Nov 1 - Wed, Nov 5
YUL
Montreal
EYW
Key West
$617 Roundtrip, found 1 hour ago
$617
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Nov 1 from Montreal to Key West, returning Wed, Nov 5, priced at $617 found 1 hour ago
Delta
Mon, Nov 3 - Tue, Nov 11
YUL
Montreal
EYW
Key West
$625 Roundtrip, found 4 days ago
$625
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Nov 3 from Montreal to Key West, returning Tue, Nov 11, priced at $625 found 4 days ago
Delta
Tue, Nov 4 - Sun, Nov 9
YUL
Montreal
EYW
Key West
$631 Roundtrip, found 4 days ago
$631
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 4 from Montreal to Key West, returning Sun, Nov 9, priced at $631 found 4 days ago
Delta
Thu, May 28 - Mon, Jun 1
YUL
Montreal
EYW
Key West
$635 Roundtrip, found 18 hours ago
$635
Roundtrip
found 18 hours ago
Select Delta flight, departing Thu, May 28 from Montreal to Key West, returning Mon, Jun 1, priced at $635 found 18 hours ago
American Airlines
Thu, May 28 - Mon, Jun 1
YUL
Montreal
EYW
Key West
$639 Roundtrip, found 18 hours ago
$639
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Thu, May 28 from Montreal to Key West, returning Mon, Jun 1, priced at $639 found 18 hours ago
Delta
Sat, Nov 8 - Sun, Nov 9
YUL
Montreal
EYW
Key West
$640 Roundtrip, found 4 days ago
$640
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 8 from Montreal to Key West, returning Sun, Nov 9, priced at $640 found 4 days ago
WestJet
Tue, Nov 11 - Tue, Nov 18
YUL
Montreal
EYW
Key West
$667 Roundtrip, found 10 hours ago
$667
Roundtrip
found 10 hours ago
Select WestJet flight, departing Tue, Nov 11 from Montreal to Key West, returning Tue, Nov 18, priced at $667 found 10 hours ago
United
Sat, Nov 1 - Wed, Nov 5
YUL
Montreal
EYW
Key West
$1,000 Roundtrip, found 1 hour ago
$1,000
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Nov 1 from Montreal to Key West, returning Wed, Nov 5, priced at $1,000 found 1 hour ago

Find the cheapest month to fly from Montreal (YUL) to Key West (EYW)

January is typically the cheapest month to fly

From $380 - $759 per traveler.

Frequently asked questions

How much does a flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW) cost?
Grab a cheap one-way flight from $335 or cheap return flight from $569 from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW)?
November is the cheapest month to fly from YUL to EYW. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest YUL to EYW flight.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW)?
You'll need to book a flight with a layover when traveling from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from YUL to EYW?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the time of year and airline.*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 Key West Intl. Airport (EYW)?
To arrive at Key West Intl. Airport (EYW) on time, choose a flight that takes off from Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Key West Intl. Airport (EYW) last-minute?
Last-minute fares from YUL to EYW are usually more expensive. For the best prices, start searching for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a YUL to EYW flight and hotel package?
You can save money by securing a YUL to EYW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Key West Intl. Airport (EYW)?
Typically, you can reschedule or cancel your YUL to EYW flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need more details, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, United, WestJet
Roundtrip price
$569
Distance
1511 mi

Book with confidence

Book with confidence

Montreal to Key West Flights

The cheapest times to fly from Montreal to Key West

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

 

The best time to book a flight from Montreal to Key West

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

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 Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $335 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 Key West 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 Key West 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 Key West Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.