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Key West

$188+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
CUN — EYW
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Cancún to Key West

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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/301:21 pm
CUN
-
EYW
2 stops20h 48m
Multiple Airlines
Fri 2/61:06 pm
EYW
-
CUN
1 stop20h 07m
Multiple Airlines
Deal found 1/26$426
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/204:45 pm
CUN
-
EYW
1 stop29h 24m
United Airlines
Mon 2/236:40 pm
EYW
-
CUN
1 stop22h 00m
United Airlines
Deal found 1/26$560
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2811:52 am
CUN
-
EYW
2 stops21h 34m
Multiple Airlines
Fri 1/301:06 pm
EYW
-
CUN
1 stop20h 07m
Multiple Airlines
Deal found 1/26$574
This American Airlines deal was found by Cheapflights users on 1/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:25 pm
CUN
-
EYW
2 stops9h 31m
American Airlines
Fri 2/66:06 am
EYW
-
CUN
2 stops10h 03m
American Airlines
Deal found 1/26$658
This Delta deal was found by Cheapflights users on 1/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2812:15 pm
CUN
-
EYW
1 stop7h 25m
Delta
Fri 1/307:10 am
EYW
-
CUN
1 stop14h 01m
Delta
Deal found 1/26$731
This Aeromexico deal was found by Cheapflights users on 1/25. 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.
Fri 2/208:55 pm
CUN
-
EYW
2 stops22h 47m
Aeromexico
Mon 2/237:10 am
EYW
-
CUN
1 stop14h 01m
Aeromexico
Deal found 1/25$800
This Aeromexico deal was found by Cheapflights users on 1/26. 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.
Wed 1/284:20 pm
CUN
-
EYW
2 stops24h 51m
Aeromexico
Fri 1/307:10 am
EYW
-
CUN
2 stops18h 18m
Aeromexico
Deal found 1/26$1,621

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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$560
(United Airlines)

One-way from

$188
(Kiwi.com)
Provider with most accurate pricing for Cancun-Key West flight deals.
Search Deals
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 January 27, 2026.
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

Fri 2/20

4:45 pm-10:09 pm

1 stop29h 24m

Key West

Mon 2/23

6:40 pm-4:40 pm

1 stop22h 00m

$560

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 2/20

8:55 pm-7:42 pm

2 stops22h 47m

Key West

Mon 2/23

7:10 am-9:11 pm

1 stop14h 01m

$800

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Wed 2/11

10:13 am-9:06 am

1 stop22h 53m

$188

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 3/27

4:09 pm-9:43 pm

2 stops52h 34m

$212

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Wed 3/25

9:12 am-9:06 am

1 stop22h 54m

$213

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Wed 4/1

9:12 am-9:06 am

1 stop22h 54m

$222

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 3/26

5:04 pm-1:37 pm

1 stop19h 33m

$236

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 3/26

4:09 pm-2:09 pm

2 stops21h 00m

$255

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Wed 2/11

10:13 am-1:30 pm

3 stops27h 17m

$259

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 3/27

12:10 pm-7:12 pm

1 stop6h 02m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

  • 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.
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 22h 47m. 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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