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

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

How many operators does momondo search for flights from Key West Airport to Cancun Airport?

As of December 2025, there is 1 operator available to choose from for flights from Key West Airport to Cancun Airport.

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

What documentation or ID do you need to fly to Cancun Airport?

The travel and health documents you'll need for your trip to Cancun Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cancun Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$357 Cheap Flights from Key West to Cancún in 2025/26

1 adult

0 bags

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Find the cheapest flights from Key West to Cancún

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:46 am - 9:45 am

EYW

CUN

23h 59m2 stops

10:13 am - 9:06 am

CUN

EYW

22h 53m1 stop

$357Multiple Airlines

Thu, Feb 19 - Wed, Feb 25

9:46 am - 9:18 am

EYW

CUN

23h 32m1 stop

10:13 am - 9:06 am

CUN

EYW

22h 53m1 stop

$363Multiple Airlines

Thu, Feb 19 - Wed, Feb 25

10:49 am - 12:16 pm

EYW

CUN

25h 27m2 stops

10:13 am - 9:06 am

CUN

EYW

22h 53m1 stop

$383Multiple Airlines

Wed, Jan 28 - Wed, Feb 4

7:10 am - 8:02 pm

EYW

CUN

12h 52m2 stops

12:15 pm - 7:42 pm

CUN

EYW

7h 27m1 stop

$461Delta

Wed, Feb 18 - Wed, Feb 25

2:25 pm - 12:16 pm

EYW

CUN

21h 51m1 stop

7:50 pm - 10:09 am

CUN

EYW

38h 19m2 stops

$476Multiple Airlines

Mon, Jan 12 - Mon, Jan 19

2:46 pm - 9:11 pm

EYW

CUN

6h 25m1 stop

12:15 pm - 7:42 pm

CUN

EYW

7h 27m1 stop

$486Delta

Wed, Feb 18 - Mon, Feb 23

6:45 am - 4:19 pm

EYW

CUN

9h 34m1 stop

2:22 pm - 7:20 pm

CUN

EYW

4h 58m1 stop

$493American Airlines

Wed, Feb 18 - Tue, Feb 24

6:45 am - 4:06 pm

EYW

CUN

9h 21m2 stops

5:20 pm - 11:10 am

CUN

EYW

17h 50m2 stops

$498American Airlines

Wed, Feb 18 - Tue, Feb 24

9:46 am - 9:18 am

EYW

CUN

23h 32m1 stop

2:47 pm - 12:21 pm

CUN

EYW

21h 34m2 stops

$505Multiple Airlines

Thu, Feb 19 - Mon, Feb 23

2:46 pm - 9:11 pm

EYW

CUN

6h 25m1 stop

12:15 pm - 7:42 pm

CUN

EYW

7h 27m1 stop

$511Delta

Thu, Feb 19 - Mon, Feb 23

United Airlines flights from Key West to Cancún

Our best United Airlines deals on Key West to Cancún flight tickets

United Airlines

Feb 19

EYW7:00 amKey West

30h 34m

2 stops

CUN1:34 pmCancun

Feb 24

CUN4:51 pmCancun

22h 09m

2 stops

EYW3:00 pmKey West

$673

Find similar

United Airlines

Jan 12

EYW6:05 pmKey West

18h 15m

1 stop

CUN12:20 pmCancun

Jan 15

CUN4:51 pmCancun

22h 26m

2 stops

EYW3:17 pmKey West

$688

Find similar

United Airlines

Feb 19

EYW7:00 amKey West

8h 33m

1 stop

CUN3:33 pmCancun

Feb 24

CUN4:51 pmCancun

29h 18m

2 stops

EYW10:09 pmKey West

$703

Find similar

Delta flights from Key West to Cancún

Our best Delta deals on Key West to Cancún flight tickets

Delta

Feb 18

EYW7:10 amKey West

12h 52m

2 stops

CUN8:02 pmCancun

Feb 25

CUN12:15 pmCancun

7h 27m

1 stop

EYW7:42 pmKey West

$461

Find similar

Delta

Feb 18

EYW7:10 amKey West

12h 52m

2 stops

CUN8:02 pmCancun

Feb 23

CUN12:15 pmCancun

7h 27m

1 stop

EYW7:42 pmKey West

$486

Find similar

Delta

Feb 19

EYW2:46 pmKey West

6h 25m

1 stop

CUN9:11 pmCancun

Feb 23

CUN12:15 pmCancun

7h 27m

1 stop

EYW7:42 pmKey West

$511

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Key WestCancún

EYW - CUN

EYWCUN

Key West

Thu 2/19

9:46 am-9:45 am

2 stops23h 59m

Cancun

Wed 2/25

10:13 am-9:06 am

1 stop22h 53m

$357

Key WestCancún

EYW - CUN

EYWCUN

Key West

Thu 2/19

9:46 am-9:18 am

1 stop23h 32m

Cancun

Wed 2/25

10:13 am-9:06 am

1 stop22h 53m

$363

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 1/28

10:49 am-12:16 pm

2 stops25h 27m

Cancun

Wed 2/4

10:13 am-9:06 am

1 stop22h 53m

$383

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 2/18

7:10 am-8:02 pm

2 stops12h 52m

Cancun

Wed 2/25

12:15 pm-7:42 pm

1 stop7h 27m

$461

Key WestCancún

EYW - CUN

EYWCUN

Key West

Mon 1/12

2:25 pm-12:16 pm

1 stop21h 51m

Cancun

Mon 1/19

7:50 pm-10:09 am

2 stops38h 19m

$476

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 2/18

2:46 pm-9:11 pm

1 stop6h 25m

Cancun

Mon 2/23

12:15 pm-7:42 pm

1 stop7h 27m

$486

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 2/18

6:45 am-4:19 pm

1 stop9h 34m

Cancun

Tue 2/24

2:22 pm-7:20 pm

1 stop4h 58m

$493

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 2/18

6:45 am-4:06 pm

2 stops9h 21m

Cancun

Tue 2/24

5:20 pm-11:10 am

2 stops17h 50m

$498

Key WestCancún

EYW - CUN

EYWCUN

Key West

Thu 2/19

9:46 am-9:18 am

1 stop23h 32m

Cancun

Mon 2/23

2:47 pm-12:21 pm

2 stops21h 34m

$505

Key WestCancún

EYW - CUN

EYWCUN

Key West

Thu 2/19

2:46 pm-9:11 pm

1 stop6h 25m

Cancun

Mon 2/23

12:15 pm-7:42 pm

1 stop7h 27m

$511

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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 day to depart on your flight to Cancún?

The cheapest day to depart from Key West to Cancún is on a Monday when prices can be found for as low as $439. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $580. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.

What is the cheapest time of day to depart on your flight to Cancún?

Our most recent data shows that the best time of day to fly to Cancún is at noon. Flights from Key West to Cancún during this time can be as low as $505. Flights to Cancún are more costly in the morning, with an average ticket price of $546. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Key West to Cancún

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

Estimated round-trip price

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

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

Fastest flight time	21h 51m
Direct flights	None

The fastest flight from Key West to Cancún takes 21h 51m

There are no direct flights from Key West to Cancún. There are no popular flight routes from Key West to Cancún.

Search flight deals

How far is Key West to Cancun by plane?
Key West and Cancun are 396.6 mi apart from one another. A reasonable flight in good conditions will take 21h 51m.
When did momondo last update prices for flights from Key West Airport to Cancun Airport?
Prices for flights from Key West Airport to Cancun Airport refresh daily.
How many operators does momondo search for flights from Key West Airport to Cancun Airport?
As of December 2025, there is 1 operator available to choose from for flights from Key West Airport to Cancun Airport.
How old do you have to be to fly from Key West Airport to Cancun 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 Cancun Airport.
What documentation or ID do you need to fly to Cancun Airport?
The travel and health documents you'll need for your trip to Cancun Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cancun Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Key West to Cancún?
Based on momondo bookings for flights between Key West and Cancún, the leading airline is American Airlines, making up 100% of the total bookings.

Best airlines flying from Key West to Cancún

Compare and see reviews for airlines that fly from Key West to Cancún with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $439	Free Cancellation	Rating 7.2 11,051 reviews		Search American Airlines flights

Playa del Carmen

Isla Mujeres

Holbox

Puerto Morelos

Akumal

Puerto Aventuras

Valladolid

Punta Sam

Why use momondo?

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

It is quick and easy to find Key West to Cancún flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cancún that suits you.

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

Flights from Key West to Cancún 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 Cancún?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Cancún.

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

Price alerts on flights to Cancún from Key West are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.