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

Confirm your travel details to search for the latest offers for flights from Key West to Cancún . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 January 2026, 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.

$369 Cheap Flights from Key West to Cancún in 2026

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Find the cheapest flights from Key West to Cancún

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:06 pm - 9:18 am

EYW

CUN

20h 12m

1 stop

12:55 pm - 10:21 am

CUN

EYW

45h 26m

2 stops

$369Multiple Airlines

lun., feb. 23 - mar., mar. 3

12:25 pm - 11:30 am

EYW

CUN

24h 05m

1 stop

9:01 am - 12:26 pm

CUN

EYW

26h 25m

2 stops

$477Multiple Airlines

dom., mar. 15 - dom., mar. 22

2:35 pm - 8:06 am

EYW

CUN

18h 31m

2 stops

5:04 pm - 11:30 am

CUN

EYW

17h 26m

1 stop

$485Multiple Airlines

vie., mar. 20 - lun., mar. 23

2:35 pm - 11:30 am

EYW

CUN

21h 55m

1 stop

5:04 pm - 11:30 am

CUN

EYW

17h 26m

1 stop

$488Spirit Airlines

vie., mar. 20 - lun., mar. 23

4:20 pm - 3:20 pm

EYW

CUN

24h 00m

1 stop

1:22 pm - 7:12 pm

CUN

EYW

4h 50m

1 stop

$493American Airlines

sáb., mar. 21 - mar., mar. 24

4:20 pm - 3:20 pm

EYW

CUN

24h 00m

1 stop

1:22 pm - 11:11 am

CUN

EYW

20h 49m

2 stops

$498American Airlines

sáb., mar. 21 - mar., mar. 24

1:06 pm - 8:12 am

EYW

CUN

20h 06m

1 stop

5:04 pm - 1:37 pm

CUN

EYW

19h 33m

1 stop

$514Multiple Airlines

lun., mar. 16 - jue., mar. 19

2:35 pm - 8:12 am

EYW

CUN

18h 37m

2 stops

5:04 pm - 1:37 pm

CUN

EYW

19h 33m

1 stop

$527Spirit Airlines

lun., mar. 16 - jue., mar. 19

7:45 pm - 1:22 pm

EYW

CUN

17h 37m

1 stop

8:45 am - 4:18 pm

CUN

EYW

7h 33m

1 stop

$531American Airlines

lun., feb. 23 - mar., mar. 3

7:42 pm - 11:10 am

EYW

CUN

16h 28m

1 stop

10:45 am - 7:12 pm

CUN

EYW

7h 27m

1 stop

$538American Airlines

sáb., mar. 21 - sáb., mar. 28

American Airlines flights from Key West to Cancún

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

American Airlines

Mar 21

EYW4:20 pmKey West

24h 00m

1 stop

CUN3:20 pmCancun

Mar 24

CUN1:22 pmCancun

4h 50m

1 stop

EYW7:12 pmKey West

$493

American Airlines

Mar 21

EYW4:20 pmKey West

24h 00m

1 stop

CUN3:20 pmCancun

Mar 24

CUN1:22 pmCancun

20h 49m

2 stops

EYW11:11 amKey West

$498

American Airlines

Feb 23

EYW7:45 pmKey West

17h 37m

1 stop

CUN1:22 pmCancun

Mar 3

CUN8:45 amCancun

7h 33m

1 stop

EYW4:18 pmKey West

$531

United Airlines flights from Key West to Cancún

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

United Airlines

Feb 21

EYW4:34 pmKey West

25h 16m

1 stop

CUN5:50 pmCancun

Feb 25

CUN4:51 pmCancun

29h 18m

2 stops

EYW10:09 pmKey West

$681

United Airlines

Mar 21

EYW6:28 pmKey West

18h 26m

2 stops

CUN11:54 amCancun

Mar 24

CUN4:55 pmCancun

22h 41m

2 stops

EYW4:36 pmKey West

$711

United Airlines

Feb 21

EYW4:34 pmKey West

25h 16m

1 stop

CUN5:50 pmCancun

Feb 25

CUN5:55 pmCancun

21h 05m

2 stops

EYW3:00 pmKey West

$716

Fly from

Fly to

Route

Depart

Return

Price

Key WestCancún

EYW - CUN

EYWCUN

Key West

lun. 2/23

1:06 pm-9:18 am

1 stop20h 12m

Cancun

mar. 3/3

12:55 pm-10:21 am

2 stops45h 26m

$369

Key WestCancún

EYW - CUN

EYWCUN

Key West

dom. 3/15

12:25 pm-11:30 am

1 stop24h 05m

Cancun

dom. 3/22

9:01 am-12:26 pm

2 stops26h 25m

$477

Key WestCancún

EYW - CUN

EYWCUN

Key West

vie. 3/20

2:35 pm-8:06 am

2 stops18h 31m

Cancun

lun. 3/23

5:04 pm-11:30 am

1 stop17h 26m

$485

Key WestCancún

EYW - CUN

EYWCUN

Key West

vie. 3/20

2:35 pm-11:30 am

1 stop21h 55m

Cancun

lun. 3/23

5:04 pm-11:30 am

1 stop17h 26m

$488

Key WestCancún

EYW - CUN

EYWCUN

Key West

sáb. 3/21

4:20 pm-3:20 pm

1 stop24h 00m

Cancun

mar. 3/24

1:22 pm-7:12 pm

1 stop4h 50m

$493

Key WestCancún

EYW - CUN

EYWCUN

Key West

sáb. 3/21

4:20 pm-3:20 pm

1 stop24h 00m

Cancun

mar. 3/24

1:22 pm-11:11 am

2 stops20h 49m

$498

Key WestCancún

EYW - CUN

EYWCUN

Key West

lun. 3/16

1:06 pm-8:12 am

1 stop20h 06m

Cancun

jue. 3/19

5:04 pm-1:37 pm

1 stop19h 33m

$514

Key WestCancún

EYW - CUN

EYWCUN

Key West

lun. 3/16

2:35 pm-8:12 am

2 stops18h 37m

Cancun

jue. 3/19

5:04 pm-1:37 pm

1 stop19h 33m

$527

Key WestCancún

EYW - CUN

EYWCUN

Key West

lun. 2/23

7:45 pm-1:22 pm

1 stop17h 37m

Cancun

mar. 3/3

8:45 am-4:18 pm

1 stop7h 33m

$531

Key WestCancún

EYW - CUN

EYWCUN

Key West

sáb. 3/21

7:42 pm-11:10 am

1 stop16h 28m

Cancun

sáb. 3/28

10:45 am-7:12 pm

1 stop7h 27m

$538

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	20h 06m
Direct flights	None

The fastest flight from Key West to Cancún takes 20h 06m

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 20h 06m.
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 January 2026, 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 11,205 reviews		Search American Airlines flights

How do I get Price Alerts for flights from Key West to Cancún?
Confirm your travel details to search for the latest offers for flights from Key West to Cancún. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from Key West to Cancún with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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.