$226 Cheap Flights from Key West (EYW) to Cancun (CUN)

View $226 flight on Mon, Mar 23, 2026Opens in a new window

Popular airlines from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)

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Cheap Flights from Key West to Cancun (EYW-CUN)

Prices were available within the past 7 days and start at $226 for one-way flights and $454 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aeromexico
Mon, Nov 17 - Tue, Dec 16
EYW
Key West
CUN
Cancun
$454 Roundtrip, found 18 hours ago
$454
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Mon, Nov 17 from Key West to Cancun, returning Tue, Dec 16, priced at $454 found 18 hours ago
Aeromexico
Mon, Nov 17 - Thu, Dec 18
EYW
Key West
CUN
Cancun
$467 Roundtrip, found 18 hours ago
$467
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Mon, Nov 17 from Key West to Cancun, returning Thu, Dec 18, priced at $467 found 18 hours ago
Aeromexico
Tue, Nov 18 - Tue, Dec 16
EYW
Key West
CUN
Cancun
$468 Roundtrip, found 18 hours ago
$468
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Tue, Nov 18 from Key West to Cancun, returning Tue, Dec 16, priced at $468 found 18 hours ago
Aeromexico
Mon, Nov 17 - Sun, Dec 21
EYW
Key West
CUN
Cancun
$479 Roundtrip, found 18 hours ago
$479
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Mon, Nov 17 from Key West to Cancun, returning Sun, Dec 21, priced at $479 found 18 hours ago
Aeromexico
Tue, Nov 18 - Thu, Dec 18
EYW
Key West
CUN
Cancun
$481 Roundtrip, found 18 hours ago
$481
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Tue, Nov 18 from Key West to Cancun, returning Thu, Dec 18, priced at $481 found 18 hours ago
American Airlines
Tue, Dec 30 - Tue, Jan 6
EYW
Key West
CUN
Cancun
$486 Roundtrip, found 1 day ago
$486
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Dec 30 from Key West to Cancun, returning Tue, Jan 6, priced at $486 found 1 day ago
Aeromexico
Mon, Nov 17 - Sat, Dec 20
EYW
Key West
CUN
Cancun
$492 Roundtrip, found 18 hours ago
$492
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Mon, Nov 17 from Key West to Cancun, returning Sat, Dec 20, priced at $492 found 18 hours ago
Aeromexico
Thu, Nov 20 - Thu, Dec 18
EYW
Key West
CUN
Cancun
$493 Roundtrip, found 18 hours ago
$493
Roundtrip
found 18 hours ago
Select Aeromexico flight, departing Thu, Nov 20 from Key West to Cancun, returning Thu, Dec 18, priced at $493 found 18 hours ago
Delta
Wed, Dec 3 - Tue, Dec 9
EYW
Key West
CUN
Cancun
$494 Roundtrip, found 5 days ago
$494
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 3 from Key West to Cancun, returning Tue, Dec 9, priced at $494 found 5 days ago
United
Tue, Dec 30 - Tue, Jan 6
EYW
Key West
CUN
Cancun
$820 Roundtrip, found 1 day ago
$820
Roundtrip
found 1 day ago
Select United flight, departing Tue, Dec 30 from Key West to Cancun, returning Tue, Jan 6, priced at $820 found 1 day ago

Find the cheapest month to fly from Key West (EYW) to Cancun (CUN)

January is typically the cheapest month to fly

From $394 - $735 per traveler.
Flights from Key West (EYW) to Cancun (CUN)
Origin airport
Key West Intl.
Destination airport
Cancun Intl.
Airlines serving
Aeromexico, American Airlines, Delta, United
Roundtrip price
$453
Distance
406 mi

Key West to Cancun Flights

The cheapest times to fly from Key West to Cancun

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

 

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

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

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 Key West to Cancun in 2025. You can also book with separate airlines for your outbound and return journeys, from $226 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 Key West to Cancun 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 Key West to Cancun 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 Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN) cost?
Secure a cheap one-way flight from $226 or cheap return flight from $454 from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN) 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 Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)?
Flying in November can help you save, as it's the cheapest month for flights between EYW and CUN. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from EYW to CUN. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)?
There are no daily direct flights departing from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from EYW to CUN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, including the season 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 Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)?
To avoid potential delays on the Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN) last-minute?
Booking your ticket from EYW to CUN shortly before your trip is typically more expensive. But if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an EYW to CUN flight and hotel package?
Securing an EYW to CUN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Key West Intl. Airport (EYW) to Cancun Intl. Airport (CUN)?
In most cases, you can cancel or reschedule your EYW to CUN flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, go to our Customer Service portal.

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*Available to One Key members.