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Cheap flights from Cancún to Key West from $269

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cancún to Key West departing on 6/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cancún to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:00 am - 5:27 pm
CUN
-
EYW
8h 27m
1 stop
Delta Logo
11:48 am - 8:25 pm
EYW
-
CUN
9h 37m
1 stop
$572Delta
Thu, Jun 25 - Mon, Jun 29
Aeromexico Logo
8:00 am - 5:27 pm
CUN
-
EYW
8h 27m
1 stop
Aeromexico Logo
11:48 am - 1:15 am
EYW
-
CUN
14h 27m
2 stops
$766Aeromexico
Thu, Jun 25 - Mon, Jun 29
Aeromexico Logo
6:03 am - 7:53 pm
CUN
-
EYW
12h 50m
2 stops
Aeromexico Logo
11:48 am - 8:25 pm
EYW
-
CUN
9h 37m
1 stop
$848Aeromexico
Thu, Jul 2 - Fri, Jul 3
Aeromexico Logo
8:00 am - 5:27 pm
CUN
-
EYW
8h 27m
1 stop
Aeromexico Logo
11:48 am - 8:25 pm
EYW
-
CUN
9h 37m
1 stop
$860Aeromexico
Thu, Jul 2 - Fri, Jul 3
Aeromexico Logo
8:00 am - 5:27 pm
CUN
-
EYW
8h 27m
1 stop
Aeromexico Logo
2:38 pm - 8:25 pm
EYW
-
CUN
6h 47m
1 stop
$899Aeromexico
Thu, Jul 2 - Fri, Jul 3
Delta Logo
11:15 am - 11:02 am
CUN
-
EYW
22h 47m
2 stops
Delta Logo
1:23 pm - 11:35 am
EYW
-
CUN
23h 12m
2 stops
$944Delta
Thu, Jun 25 - Mon, Jun 29
Aeromexico Logo
6:03 am - 7:53 pm
CUN
-
EYW
12h 50m
2 stops
Aeromexico Logo
2:38 pm - 10:30 am
EYW
-
CUN
20h 52m
2 stops
$967Aeromexico
Thu, Jul 2 - Fri, Jul 3
Aeromexico Logo
6:03 am - 7:53 pm
CUN
-
EYW
12h 50m
2 stops
Aeromexico Logo
2:38 pm - 9:45 am
EYW
-
CUN
20h 07m
2 stops
$976Aeromexico
Thu, Jul 2 - Fri, Jul 3

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Aeromexico flights from Cancún to Key West

Our best Aeromexico deals on Cancún to Key West flight tickets
Aeromexico
Jun 25
CUN8:00 amCancun
8h 27m
1 stop
EYW5:27 pmKey West
Jun 29
EYW11:48 amKey West
14h 27m
2 stops
CUN1:15 amCancun
$766
Aeromexico
Jul 2
CUN6:03 amCancun
12h 50m
2 stops
EYW7:53 pmKey West
Jul 3
EYW11:48 amKey West
9h 37m
1 stop
CUN8:25 pmCancun
$848
Aeromexico
Jul 2
CUN8:00 amCancun
8h 27m
1 stop
EYW5:27 pmKey West
Jul 3
EYW11:48 amKey West
9h 37m
1 stop
CUN8:25 pmCancun
$860

Delta flights from Cancún to Key West

Our best Delta deals on Cancún to Key West flight tickets
Delta
Jun 25
CUN8:00 amCancun
8h 27m
1 stop
EYW5:27 pmKey West
Jun 29
EYW11:48 amKey West
9h 37m
1 stop
CUN8:25 pmCancun
$572
Delta
Jun 25
CUN11:15 amCancun
22h 47m
2 stops
EYW11:02 amKey West
Jun 29
EYW1:23 pmKey West
23h 12m
2 stops
CUN11:35 amCancun
$944

momondo 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, momondo users made 832,500 searches. Data last updated June 15, 2026.
Use the filters below to find and compare flights from Cancún to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 6/25

8:00 am-5:27 pm

1 stop8h 27m

Key West

Mon 6/29

11:48 am-8:25 pm

1 stop9h 37m

$572

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 6/25

8:00 am-5:27 pm

1 stop8h 27m

Key West

Mon 6/29

11:48 am-1:15 am

2 stops14h 27m

$766

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 7/2

6:03 am-7:53 pm

2 stops12h 50m

Key West

Fri 7/3

11:48 am-8:25 pm

1 stop9h 37m

$848

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 7/2

8:00 am-5:27 pm

1 stop8h 27m

Key West

Fri 7/3

11:48 am-8:25 pm

1 stop9h 37m

$860
Quickest round-trip

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 7/2

8:00 am-5:27 pm

1 stop8h 27m

Key West

Fri 7/3

2:38 pm-8:25 pm

1 stop6h 47m

$899

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 6/25

11:15 am-11:02 am

2 stops22h 47m

Key West

Mon 6/29

1:23 pm-11:35 am

2 stops23h 12m

$944

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 7/2

6:03 am-7:53 pm

2 stops12h 50m

Key West

Fri 7/3

2:38 pm-10:30 am

2 stops20h 52m

$967

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Thu 7/2

6:03 am-7:53 pm

2 stops12h 50m

Key West

Fri 7/3

2:38 pm-9:45 am

2 stops20h 07m

$976
Cheapest one-way

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Sun 6/28

5:25 am-2:35 pm

2 stops32h 10m

$269

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Sun 6/28

10:19 am-2:35 pm

3 stops27h 16m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

When to book flights from Cancún to Key West

Are you open to changing your travel dates? Check out the ideal times to fly from Cancún to Key West according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Cancún to Key West (CUN to EYW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cancún to Key West

Fastest flight time

8h 27m

Direct flights

None
The fastest flight from Cancún to Key West takes 8h 27m
There are no direct flights from Cancún to Key West. There are no popular flight routes from Cancún to Key West.
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Frequently asked questions about flying from Cancún to Key West

  • How far is Cancun to Key West by plane?

    The straight-line distance from Cancun to Key West is 396.6 mi. By plane, this route typically takes 8h 27m.

  • When did momondo last update prices for flights from Cancun Airport to Key West Airport?

    Prices for flights from Cancun Airport to Key West Airport refresh daily.

  • How old do you have to be to fly from Cancun Airport to Key West Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cancun Airport to Key West Airport.

  • What documentation or ID do you need to fly to Key West Airport?

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cancún to Key West

  • How do I get Price Alerts for flights from Cancún to Key West?

    Search flight deals from Cancún to Key West. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Cancún to Key West with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Cancún to Key West?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Cancún.

Can I find flights from Cancún to Key West with flexible booking policies on momondo?

momondo does allow users to show only those flights to Key West from Cancún which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cancún to Key West?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Cancún.

I’m not ready to book a flight from Cancún to Key West right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Key West, momondo offers a useful price alert feature which will track prices for flights to Key West from Cancún and alert you when they change.

An easier way to manage your Key West trip

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