How long is the flight from Cancún to Key West?

Departing from Cancún to Key West will take you 7h 41m. Airlines will cover a distance of 406 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

What is the cheapest time of day to fly from CUN to EYW?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cancún to Key West as you normally would.

Most accurate provider : When it comes to deals on Cancún-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Key West flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Cancún-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Cancún to Key West that include hotel bookings?

Yes. In addition to deals on Cancún to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Cancún to Key West?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Key West.

Can I find deals for business class flights from Cancún to Key West?

Yes. Cheapflights offers flight deals from Cancún to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$657+ Cheap Flights from Cancún to Key West

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Cheap flight deals from Cancún to Key West

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Cheapest flights from Cancún to Key West
Explore the most affordable flight options available from Cancún to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Sat 12/511:46 am -

1 stop7h 41m

Sat 12/127:57 pm -

1 stop14h 49m

Deal found 10/21

$657

Find flight deals from Cancún to Key West

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$657 (American Airlines)

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CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Sat 12/5

11:46 am-7:27 pm

1 stop7h 41m

Key West

Sat 12/12

7:57 pm-10:46 am

1 stop14h 49m

$657

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Fri 1/29

4:47 pm-12:16 pm

2 stops19h 29m

Key West

Tue 2/2

4:09 pm-12:54 pm

2 stops20h 45m

$893

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Sorted by cheapest first

Most accurate provider: When it comes to deals on Cancún-Key West flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Cancún-Key West flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Cancún-Key West flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Cancún-Key West flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Cancún-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Cancún to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Cancún with our price prediction graph.

CUN-EYW

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Cancún to Key West?
Departing from Cancún to Key West will take you 7h 41m. Airlines will cover a distance of 406 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Cancún to Key West that include hotel bookings?
Yes. In addition to deals on Cancún to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Cancún to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cancún to Key West.
Can I find deals for business class flights from Cancún to Key West?
Yes. Cheapflights offers flight deals from Cancún to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$657+ Cheap flights from Cancún (CUN) to Key West (EYW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Cancún to Key West with Cheapflights

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Cheap flight deals from Cancún to Key West

Cheapest flights from Cancún to Key WestExplore the most affordable flight options available from Cancún to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Explore the most affordable flight options available from Cancún to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Best flights from Cancún to Key WestDiscover carefully curated flight deals from Cancún to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

Discover carefully curated flight deals from Cancún to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.

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Best time to book a flight from Cancún to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Cancún with our price prediction graph.

Related info for your journey

How long is the flight from Cancún to Key West?

Can I find deals for flights from Cancún to Key West that include hotel bookings?

How can I find direct flights from Cancún to Key West?

Can I find deals for business class flights from Cancún to Key West?

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Complete your trip

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Search flights from Cancún to Key West by cabin class

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Cheapest flights from Cancún to Key West
Explore the most affordable flight options available from Cancún to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.

Best flights from Cancún to Key West
Discover carefully curated flight deals from Cancún to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.