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Key West

$264+ Cheap flights from Cancún (CUN) to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — EYW
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Cancún to Key West

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 diciembre 12, 2025.

This Aeromexico deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/228:00 amCUN - EYW
1 stop11h 40mAeromexico
dom. 1/252:45 pmEYW - CUN
1 stop6h 26mAeromexico
Deal found 12/9$479

Find flight deals from Cancún to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Cancún (CUN) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$479
(Aeromexico)

One-way from

$264
(Kiwi.com)
Provider with most accurate pricing for Cancun-Key West flight deals.
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Provider most trusted by Cheapflights users for Cancun-Key West flights.
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From Cancun to Key West
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One-way flight from Cancun to Key West
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cancún to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 12, 2025.
Use the filters below to find and compare flights from Cancún to Key West that are best for you.

Fly from

Cancún

Fly to

Key West

Route

Depart

Return

Price

CancúnKey West

CUN - EYW

CUNEYW

Cancun

jue. 1/22

8:00 am-7:40 pm

1 stop11h 40m

Key West

dom. 1/25

2:45 pm-9:11 pm

1 stop6h 26m

$479

CancúnKey West

CUN - EYW

CUNEYW

Cancun

mié. 3/18

4:56 pm-9:06 am

2 stops15h 10m

$264

CancúnKey West

CUN - EYW

CUNEYW

Cancun

mié. 3/18

12:35 pm-11:30 am

1 stop21h 55m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Cancún to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Cancún to Key West in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Cancún-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Cancún-Key West flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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

Find useful and relevant information for your journey from Cancún to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Cancún to Key West?

    Departing from Cancún to Key West will take you 11h 40m. Airlines will cover a distance of 406 mi.

  • 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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