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Cheap flights from Key West to Cancún from $612

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 11/2. 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
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.
United Airlines Logo
4:05 pm - 12:23 pm
EYW
-
CZM
22h 18m
2 stops
United Airlines Logo
1:25 pm - 4:06 pm
CZM
-
EYW
48h 41m
2 stops
$856United Airlines
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
4:00 pm - 2:42 pm
EYW
-
CZM
24h 42m
2 stops
United Airlines Logo
3:52 pm - 3:19 pm
CZM
-
EYW
21h 27m
2 stops
$860United Airlines
Thu, Jun 25 - Thu, Jul 2
Aeromexico Logo
7:50 am - 3:16 pm
EYW
-
CZM
33h 26m
2 stops
Aeromexico Logo
2:31 pm - 5:27 pm
CZM
-
EYW
24h 56m
2 stops
$1,302Aeromexico
Sun, Jun 7 - Sat, Jun 13

United Airlines flights from Key West to Cozumel

Our best United Airlines deals on Key West to Cozumel flight tickets
United Airlines
Oct 26
EYW4:05 pmKey West
22h 18m
2 stops
CZM12:23 pmCozumel
Oct 30
CZM1:25 pmCozumel
48h 41m
2 stops
EYW4:06 pmKey West
$856
United Airlines
Jun 25
EYW4:00 pmKey West
24h 42m
2 stops
CZM2:42 pmCozumel
Jul 2
CZM3:52 pmCozumel
21h 27m
2 stops
EYW3:19 pmKey West
$860

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 May 11, 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

Mon 10/26

4:05 pm-12:23 pm

2 stops22h 18m

Cozumel

Fri 10/30

1:25 pm-4:06 pm

2 stops48h 41m

$856
Quickest round-trip

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Thu 6/25

4:00 pm-2:42 pm

2 stops24h 42m

Cozumel

Thu 7/2

3:52 pm-3:19 pm

2 stops21h 27m

$860

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Sun 6/7

7:50 am-3:16 pm

2 stops33h 26m

Cozumel

Sat 6/13

2:31 pm-5:27 pm

2 stops24h 56m

$1,302
Cheapest one-way
Quickest one-way

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Mon 11/2

4:05 pm-1:23 pm

2 stops22h 18m

$612

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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?

United Airlines is the most popular carrier 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 18m

Direct flights

None
The fastest flight from Key West to Cozumel takes 22h 18m
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 by plane?

    Key West and Cozumel are 431.5 mi apart from one another. 22h 18m 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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