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Cheap flights from Key West to Cancún from $637

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Cancún departing on 12/2. 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 Key West to Cancún

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:18 am - 3:03 pmEYW  Key West-CZM Cozumel Intl
4h 45m1 stop Miami
American Airlines Logo
3:43 pm - 1:03 pmCZM  Cozumel Intl-EYW Key West
21h 20m2 stops Miami Charlotte Douglas
$637American Airlines
Wed, Dec 2 - Mon, Dec 7
American Airlines Logo
11:14 am - 3:03 pmEYW  Key West-CZM Cozumel Intl
3h 49m1 stop Miami
American Airlines Logo
3:43 pm - 9:48 amCZM  Cozumel Intl-EYW Key West
18h 05m1 stop Miami
$641American Airlines
Wed, Dec 2 - Mon, Dec 7
American Airlines Logo
3:41 pm - 3:03 pmEYW  Key West-CZM Cozumel Intl
23h 22m2 stops Charlotte Douglas Miami
American Airlines Logo
3:43 pm - 1:03 pmCZM  Cozumel Intl-EYW Key West
21h 20m2 stops Miami Charlotte Douglas
$670American Airlines
Wed, Dec 2 - Mon, Dec 7
American Airlines Logo
4:44 pm - 2:22 pmEYW  Key West-CZM Cozumel Intl
21h 38m2 stops Miami Dallas/Fort Worth
American Airlines Logo
3:43 pm - 9:48 amCZM  Cozumel Intl-EYW Key West
18h 05m1 stop Miami
$773American Airlines
Mon, Nov 16 - Thu, Nov 26
American Airlines Logo
4:44 pm - 2:22 pmEYW  Key West-CZM Cozumel Intl
21h 38m2 stops Miami Dallas/Fort Worth
American Airlines Logo
3:43 pm - 12:33 pmCZM  Cozumel Intl-EYW Key West
20h 50m2 stops Miami Washington, D.C. Reagan-National
$787American Airlines
Mon, Nov 16 - Thu, Nov 26
American Airlines Logo
10:18 am - 3:03 pmEYW  Key West-CZM Cozumel Intl
4h 45m1 stop Miami
American Airlines Logo
3:43 pm - 10:55 amCZM  Cozumel Intl-EYW Key West
19h 12m1 stop Miami
$798American Airlines
Mon, Nov 16 - Thu, Nov 26
United Airlines Logo
6:20 pm - 3:42 pmEYW  Key West-CZM Cozumel Intl
21h 22m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
4:50 pm - 11:11 amCZM  Cozumel Intl-EYW Key West
18h 21m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$805United Airlines
Mon, Jan 11 - Wed, Jan 13
United Airlines Logo
4:10 pm - 3:42 pmEYW  Key West-CZM Cozumel Intl
47h 32m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
4:50 pm - 3:29 pmCZM  Cozumel Intl-EYW Key West
22h 39m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$819United Airlines
Fri, Nov 20 - Wed, Nov 25
American Airlines Logo
4:44 pm - 2:22 pmEYW  Key West-CZM Cozumel Intl
21h 38m2 stops Miami Dallas/Fort Worth
American Airlines Logo
3:43 pm - 2:10 pmCZM  Cozumel Intl-EYW Key West
22h 27m2 stops Miami New York LaGuardia
$853American Airlines
Mon, Nov 16 - Wed, Nov 25
United Airlines Logo
6:20 pm - 3:42 pmEYW  Key West-CZM Cozumel Intl
21h 22m2 stops Washington, D.C. Dulles Intl Houston George Bush Intcntl
United Airlines Logo
4:50 pm - 3:06 pmCZM  Cozumel Intl-EYW Key West
46h 16m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$859United Airlines
Mon, Jan 11 - Thu, Jan 14

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Aeromexico flights from Key West to Cozumel

Our best Aeromexico deals on Key West to Cozumel flight tickets
Aeromexico
Jan 11
EYW7:00 amKey West
6h 50m
1 stop
CZM1:50 pmCozumel Intl
Jan 14
CZM3:11 pmCozumel Intl
26h 00m
2 stops
EYW5:11 pmKey West
$896
Aeromexico
Jan 11
EYW7:00 amKey West
6h 50m
1 stop
CZM1:50 pmCozumel Intl
Jan 14
CZM3:05 pmCozumel Intl
26h 06m
1 stop
EYW5:11 pmKey West
$938
Aeromexico
Aug 28
EYW1:59 pmKey West
24h 43m
2 stops
CZM1:42 pmCozumel Intl
Sep 2
CZM4:44 pmCozumel Intl
23h 36m
2 stops
EYW5:20 pmKey West
$1,249

United Airlines flights from Key West to Cozumel

Our best United Airlines deals on Key West to Cozumel flight tickets
United Airlines
Jan 11
EYW6:20 pmKey West
21h 22m
2 stops
CZM3:42 pmCozumel Intl
Jan 13
CZM4:50 pmCozumel Intl
18h 21m
2 stops
EYW11:11 amKey West
$805
United Airlines
Nov 20
EYW4:10 pmKey West
47h 32m
2 stops
CZM3:42 pmCozumel Intl
Nov 25
CZM4:50 pmCozumel Intl
22h 39m
2 stops
EYW3:29 pmKey West
$819
United Airlines
Jan 11
EYW6:20 pmKey West
21h 22m
2 stops
CZM3:42 pmCozumel Intl
Jan 14
CZM4:50 pmCozumel Intl
46h 16m
2 stops
EYW3:06 pmKey West
$859

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Cozumel 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 August 15, 2026.
Use the filters below to find and compare flights from Key West to Cozumel that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Wed 12/2

10:18 am-3:03 pm

1 stop4h 45m

Cozumel Intl

Mon 12/7

3:43 pm-1:03 pm

2 stops21h 20m

$637
Quickest round-trip

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Wed 12/2

11:14 am-3:03 pm

1 stop3h 49m

Cozumel Intl

Mon 12/7

3:43 pm-9:48 am

1 stop18h 05m

$641

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Wed 12/2

3:41 pm-3:03 pm

2 stops23h 22m

Cozumel Intl

Mon 12/7

3:43 pm-1:03 pm

2 stops21h 20m

$670

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 11/16

4:44 pm-2:22 pm

2 stops21h 38m

Cozumel Intl

Thu 11/26

3:43 pm-9:48 am

1 stop18h 05m

$773

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 11/16

4:44 pm-2:22 pm

2 stops21h 38m

Cozumel Intl

Thu 11/26

3:43 pm-12:33 pm

2 stops20h 50m

$787

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 11/16

10:18 am-3:03 pm

1 stop4h 45m

Cozumel Intl

Thu 11/26

3:43 pm-10:55 am

1 stop19h 12m

$798

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 1/11

6:20 pm-3:42 pm

2 stops21h 22m

Cozumel Intl

Wed 1/13

4:50 pm-11:11 am

2 stops18h 21m

$805

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Fri 11/20

4:10 pm-3:42 pm

2 stops47h 32m

Cozumel Intl

Wed 11/25

4:50 pm-3:29 pm

2 stops22h 39m

$819

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 11/16

4:44 pm-2:22 pm

2 stops21h 38m

Cozumel Intl

Wed 11/25

3:43 pm-2:10 pm

2 stops22h 27m

$853

Key WestCozumel

EYW Key West - CZM Cozumel Intl

EYWCZM

Key West

Mon 1/11

6:20 pm-3:42 pm

2 stops21h 22m

Cozumel Intl

Thu 1/14

4:50 pm-3:06 pm

2 stops46h 16m

$859

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Cancún from

How to get the cheapest flight ticket from Key West to Cozumel

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Key West to Cozumel Intl?

Aeromexico is the most popular carrier operating from Key West to Cozumel Intl

When to book flights from Key West to Cozumel

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

Cheap Key West to Cozumel (EYW to CZM) flight deals and tips

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

Fastest flight time

22h 22m

Direct flights

None
The fastest flight from Key West to Cozumel takes 22h 22m
There are no direct flights from Key West to Cozumel. There are no popular flight routes from Key West to Cozumel.
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Frequently asked questions about flying from Key West to Cozumel

  • How far is Key West to Cozumel Intl by plane?

    Key West and Cozumel Intl are 431.5 mi apart from one another. 22h 22m is a normal flight duration for this route.

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

    Prices for flights from Key West Airport to Cozumel Intl Airport refresh daily.

  • How old do you have to be to fly from Key West Airport to Cozumel Intl 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 Key West Airport to Cozumel Intl Airport.

  • What documentation or ID do you need to fly to Cozumel Intl Airport?

    The required travel and health documents for your Cozumel Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cozumel Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Cozumel from Key West is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cozumel quick and easy, saving you time and money.

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

Flights from Key West to Cozumel with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Key West to Cozumel flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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