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Cheap flights from Key West to Cancún from $350

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Cancún departing on 4/17. 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

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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
11:24 am - 2:44 pm
EYW
-
CZM
5h 20m
1 stop
American Airlines Logo
3:24 pm - 10:36 pm
CZM
-
EYW
29h 12m
2 stops
$586American Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
11:24 am - 2:44 pm
EYW
-
CZM
5h 20m
1 stop
American Airlines Logo
3:24 pm - 10:58 pm
CZM
-
EYW
5h 34m
1 stop
$604American Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
8:20 am - 2:44 pm
EYW
-
CZM
32h 24m
2 stops
American Airlines Logo
3:24 pm - 10:36 pm
CZM
-
EYW
29h 12m
2 stops
$605American Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
6:45 am - 2:44 pm
EYW
-
CZM
9h 59m
1 stop
American Airlines Logo
3:24 pm - 10:58 pm
CZM
-
EYW
5h 34m
1 stop
$606American Airlines
Fri, Apr 17 - Fri, Apr 24
American Airlines Logo
11:24 am - 11:53 am
EYW
-
CZM
26h 29m
2 stops
American Airlines Logo
3:24 pm - 10:58 pm
CZM
-
EYW
5h 34m
1 stop
$611American Airlines
Fri, Apr 17 - Fri, Apr 24
American Airlines Logo
11:24 am - 11:53 am
EYW
-
CZM
26h 29m
2 stops
American Airlines Logo
3:24 pm - 10:36 pm
CZM
-
EYW
29h 12m
2 stops
$631American Airlines
Fri, Apr 17 - Fri, Apr 24
United Airlines Logo
3:52 pm - 2:42 pm
EYW
-
CZM
48h 50m
2 stops
United Airlines Logo
3:52 pm - 11:24 am
CZM
-
EYW
17h 32m
2 stops
$719United Airlines
Fri, Apr 17 - Fri, Apr 24
United Airlines Logo
6:22 pm - 2:42 pm
EYW
-
CZM
22h 20m
2 stops
United Airlines Logo
3:52 pm - 2:51 pm
CZM
-
EYW
20h 59m
2 stops
$721United Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
4:47 pm - 2:42 pm
EYW
-
CZM
23h 55m
1 stop
United Airlines Logo
3:52 pm - 3:07 pm
CZM
-
EYW
21h 15m
2 stops
$768United Airlines
Wed, May 6 - Wed, May 13
United Airlines Logo
4:05 pm - 2:42 pm
EYW
-
CZM
24h 37m
2 stops
United Airlines Logo
3:52 pm - 3:07 pm
CZM
-
EYW
21h 15m
2 stops
$796United Airlines
Wed, May 6 - Wed, May 13

American Airlines flights from Key West to Cozumel

Our best American Airlines deals on Key West to Cozumel flight tickets
American Airlines
May 5
EYW11:24 amKey West
5h 20m
1 stop
CZM2:44 pmCozumel
May 12
CZM3:24 pmCozumel
29h 12m
2 stops
EYW10:36 pmKey West
$586
American Airlines
May 5
EYW11:24 amKey West
5h 20m
1 stop
CZM2:44 pmCozumel
May 12
CZM3:24 pmCozumel
5h 34m
1 stop
EYW10:58 pmKey West
$604
American Airlines
May 5
EYW8:20 amKey West
32h 24m
2 stops
CZM2:44 pmCozumel
May 12
CZM3:24 pmCozumel
29h 12m
2 stops
EYW10:36 pmKey West
$605

United Airlines flights from Key West to Cozumel

Our best United Airlines deals on Key West to Cozumel flight tickets
United Airlines
Apr 17
EYW3:52 pmKey West
48h 50m
2 stops
CZM2:42 pmCozumel
Apr 24
CZM3:52 pmCozumel
17h 32m
2 stops
EYW11:24 amKey West
$719
United Airlines
Apr 20
EYW6:22 pmKey West
22h 20m
2 stops
CZM2:42 pmCozumel
Apr 27
CZM3:52 pmCozumel
20h 59m
2 stops
EYW2:51 pmKey West
$721
United Airlines
May 6
EYW4:47 pmKey West
23h 55m
1 stop
CZM2:42 pmCozumel
May 13
CZM3:52 pmCozumel
21h 15m
2 stops
EYW3:07 pmKey West
$768

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 March 24, 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 - CZM

EYWCZM

Key West

Tue 5/5

11:24 am-2:44 pm

1 stop5h 20m

Cozumel

Tue 5/12

3:24 pm-10:36 pm

2 stops29h 12m

$586
Quickest round-trip

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Tue 5/5

11:24 am-2:44 pm

1 stop5h 20m

Cozumel

Tue 5/12

3:24 pm-10:58 pm

1 stop5h 34m

$604

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Tue 5/5

8:20 am-2:44 pm

2 stops32h 24m

Cozumel

Tue 5/12

3:24 pm-10:36 pm

2 stops29h 12m

$605

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Fri 4/17

6:45 am-2:44 pm

1 stop9h 59m

Cozumel

Fri 4/24

3:24 pm-10:58 pm

1 stop5h 34m

$606

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Fri 4/17

11:24 am-11:53 am

2 stops26h 29m

Cozumel

Fri 4/24

3:24 pm-10:58 pm

1 stop5h 34m

$611

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Fri 4/17

11:24 am-11:53 am

2 stops26h 29m

Cozumel

Fri 4/24

3:24 pm-10:36 pm

2 stops29h 12m

$631

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Fri 4/17

3:52 pm-2:42 pm

2 stops48h 50m

Cozumel

Fri 4/24

3:52 pm-11:24 am

2 stops17h 32m

$719

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Mon 4/20

6:22 pm-2:42 pm

2 stops22h 20m

Cozumel

Mon 4/27

3:52 pm-2:51 pm

2 stops20h 59m

$721

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Wed 5/6

4:47 pm-2:42 pm

1 stop23h 55m

Cozumel

Wed 5/13

3:52 pm-3:07 pm

2 stops21h 15m

$768

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Wed 5/6

4:05 pm-2:42 pm

2 stops24h 37m

Cozumel

Wed 5/13

3:52 pm-3:07 pm

2 stops21h 15m

$796

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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?

American Airlines and United Airlines are the most popular carriers operating from Key West to Cozumel

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 20m

Direct flights

None
The fastest flight from Key West to Cozumel takes 22h 20m
There are no direct flights from Key West to Cozumel. There are no popular flight routes from Key West to Cozumel.
Search flight deals

  • How far is Key West to Cozumel by plane?

    Key West and Cozumel are 431.5 mi apart from one another. 22h 20m is a normal flight duration for this route.

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

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

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

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

    The required travel and health documents for your Cozumel 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 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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