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

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

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

Prices for flights from Key West Airport to Mexico were last updated today.

How old do you have to be to fly from Key West Airport to Mexico?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to Mexico.

What documentation or ID do you need to fly to Mexico?

The travel and health documents required for your trip to Mexico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mexico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$152 Cheap Flights from Key West to Mexico in 2026

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Find the cheapest flights from Key West to Mexico

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:40 am - 2:22 pm

EYW

CUN

7h 42m

1 stop

12:30 pm - 7:54 pm

CUN

EYW

6h 24m

1 stop

$448Aeromexico

Mon, Aug 24 - Wed, Aug 26

7:40 am - 8:32 pm

EYW

CUN

13h 52m

2 stops

8:05 am - 7:54 pm

CUN

EYW

10h 49m

1 stop

$468Aeromexico

Mon, Aug 24 - Wed, Aug 26

11:28 am - 3:25 pm

EYW

CUN

4h 57m

1 stop

10:31 am - 6:49 pm

CUN

EYW

7h 18m

1 stop

$568American Airlines

Wed, Jun 24 - Wed, Jul 1

11:28 am - 3:25 pm

EYW

CUN

4h 57m

1 stop

3:45 pm - 1:14 pm

CUN

EYW

20h 29m

2 stops

$573American Airlines

Wed, Jun 24 - Wed, Jul 1

11:28 am - 3:26 pm

EYW

CUN

4h 58m

1 stop

10:34 am - 6:48 pm

CUN

EYW

7h 14m

1 stop

$583American Airlines

Fri, Jul 10 - Fri, Jul 17

7:33 pm - 11:28 am

EYW

CUN

16h 55m

2 stops

12:28 pm - 7:06 pm

CUN

EYW

5h 38m

1 stop

$588American Airlines

Fri, Jul 10 - Fri, Jul 17

12:05 pm - 7:45 pm

EYW

MEX

9h 40m

1 stop

8:40 am - 11:27 am

MEX

EYW

24h 47m

2 stops

$613Multiple Airlines

Thu, Jul 16 - Sun, Jul 19

12:05 pm - 7:45 pm

EYW

MEX

9h 40m

1 stop

11:05 am - 11:27 am

MEX

EYW

22h 22m

1 stop

$661Multiple Airlines

Thu, Jul 16 - Sun, Jul 19

4:00 pm - 8:35 am

EYW

MEX

18h 35m

2 stops

4:40 pm - 3:19 pm

MEX

EYW

20h 39m

2 stops

$725United Airlines

Thu, Jul 16 - Sun, Jul 19

3:55 pm - 2:42 pm

EYW

CZM

23h 47m

2 stops

3:52 pm - 3:19 pm

CZM

EYW

22h 27m

2 stops

$825United Airlines

Wed, Jun 24 - Wed, Jul 1

Aeromexico flights from Key West to Mexico

Our best Aeromexico deals on Key West to Mexico flight tickets

Aeromexico

Aug 24

EYW7:40 amKey West

7h 42m

1 stop

CUN2:22 pmCancun

Aug 26

CUN12:30 pmCancun

6h 24m

1 stop

EYW7:54 pmKey West

$448

Aeromexico

Aug 24

EYW7:40 amKey West

13h 52m

2 stops

CUN8:32 pmCancun

Aug 26

CUN8:05 amCancun

10h 49m

1 stop

EYW7:54 pmKey West

$468

Aeromexico

Aug 20

EYW7:40 amKey West

8h 15m

1 stop

MEX1:55 pmMexico City Benito Juarez

Aug 24

MEX7:05 amMexico City Benito Juarez

8h 15m

1 stop

EYW5:20 pmKey West

$635

United Airlines flights from Key West to Mexico

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

United Airlines

Jul 16

EYW4:00 pmKey West

18h 35m

2 stops

MEX8:35 amMexico City Benito Juarez

Jul 19

MEX4:40 pmMexico City Benito Juarez

20h 39m

2 stops

EYW3:19 pmKey West

$725

United Airlines

Jun 24

EYW3:55 pmKey West

23h 47m

2 stops

CZM2:42 pmCozumel Intl

Jul 1

CZM3:52 pmCozumel Intl

22h 27m

2 stops

EYW3:19 pmKey West

$825

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestCancún

EYW - CUN

EYWCUN

Key West

Mon 8/24

7:40 am-2:22 pm

1 stop7h 42m

Cancun

Wed 8/26

12:30 pm-7:54 pm

1 stop6h 24m

$448

Key WestCancún

EYW - CUN

EYWCUN

Key West

Mon 8/24

7:40 am-8:32 pm

2 stops13h 52m

Cancun

Wed 8/26

8:05 am-7:54 pm

1 stop10h 49m

$468

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 6/24

11:28 am-3:25 pm

1 stop4h 57m

Cancun

Wed 7/1

10:31 am-6:49 pm

1 stop7h 18m

$568

Key WestCancún

EYW - CUN

EYWCUN

Key West

Wed 6/24

11:28 am-3:25 pm

1 stop4h 57m

Cancun

Wed 7/1

3:45 pm-1:14 pm

2 stops20h 29m

$573

Quickest round-trip

Key WestCancún

EYW - CUN

EYWCUN

Key West

Fri 7/10

11:28 am-3:26 pm

1 stop4h 58m

Cancun

Fri 7/17

10:34 am-6:48 pm

1 stop7h 14m

$583

Key WestCancún

EYW - CUN

EYWCUN

Key West

Fri 7/10

7:33 pm-11:28 am

2 stops16h 55m

Cancun

Fri 7/17

12:28 pm-7:06 pm

1 stop5h 38m

$588

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Thu 7/16

12:05 pm-7:45 pm

1 stop9h 40m

Mexico City Benito Juarez

Sun 7/19

8:40 am-11:27 am

2 stops24h 47m

$613

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Thu 7/16

12:05 pm-7:45 pm

1 stop9h 40m

Mexico City Benito Juarez

Sun 7/19

11:05 am-11:27 am

1 stop22h 22m

$661

Key WestMexico City

EYW - MEX

EYWMEX

Key West

Thu 7/16

4:00 pm-8:35 am

2 stops18h 35m

Mexico City Benito Juarez

Sun 7/19

4:40 pm-3:19 pm

2 stops20h 39m

$725

Key WestCozumel

EYW - CZM

EYWCZM

Key West

Wed 6/24

3:55 pm-2:42 pm

2 stops23h 47m

Cozumel Intl

Wed 7/1

3:52 pm-3:19 pm

2 stops22h 27m

$825

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

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

Prices

Airlines

Can stopping save me money on Key West to Mexico flights?

You could potentially save up to 20% on your flight if you consider stops on a Key West to Mexico flight.

Cheap Key West to Mexico flight deals and tips

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

Fastest flight time	7h 46m
Direct flights	None

The fastest flight from Key West to Mexico takes 7h 46m

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

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Frequently asked questions about flying from Key West to Mexico

When did momondo last update prices for flights from Key West Airport to Mexico?
Prices for flights from Key West Airport to Mexico were last updated today.
How old do you have to be to fly from Key West Airport to Mexico?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Key West Airport to Mexico.
What documentation or ID do you need to fly to Mexico?
The travel and health documents required for your trip to Mexico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mexico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Mexico from Key West.

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

Yes. momondo enables you to select and highlight flights to Mexico from Key West with this policy.

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

Once you have performed a search for Key West to Mexico flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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