Cheap flights from Mexico to Key West from $276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Mexico to Key West departing on 12/28. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Mexico to Key West

Recent round-trip flight deals from Mexico to Key West

Enter your travel dates to find the best prices.
Delta Logo
12:15 pm - 7:40 pmCUN-EYW
7h 25m1 stop
Delta Logo
6:06 pm - 11:05 amEYW-CUN
16h 59m1 stop
$552Delta
Find Deal
Fri, Jan 30 - Sun, Feb 1
American Airlines Logo
5:08 pm - 1:21 pmCUN-EYW
20h 13m2 stops
American Airlines Logo
7:45 pm - 2:53 pmEYW-CUN
19h 08m2 stops
$591American Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
American Airlines Logo
2:25 pm - 9:47 pmCUN-EYW
7h 22m1 stop
American Airlines Logo
7:45 pm - 3:25 pmEYW-CUN
19h 40m2 stops
$596American Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1
Delta Logo
8:00 am - 7:40 pmCUN-EYW
11h 40m1 stop
Delta Logo
7:10 am - 4:35 pmEYW-CUN
9h 25m1 stop
$616Delta
Find Deal
Fri, Jan 30 - Sun, Feb 1

American Airlines flights from Mexico to Key West

Our best American Airlines deals on Mexico to Key West flight tickets
American Airlines
Jan 30
CUN5:08 pmCancun
20h 13m
2 stops
EYW1:21 pmKey West
Feb 1
EYW7:45 pmKey West
19h 08m
2 stops
CUN2:53 pmCancun
American Airlines
Jan 30
CUN2:25 pmCancun
7h 22m
1 stop
EYW9:47 pmKey West
Feb 1
EYW7:45 pmKey West
19h 40m
2 stops
CUN3:25 pmCancun

Delta flights from Mexico to Key West

Our best Delta deals on Mexico to Key West flight tickets
Delta
Jan 30
CUN12:15 pmCancun
7h 25m
1 stop
EYW7:40 pmKey West
Feb 1
EYW6:06 pmKey West
16h 59m
1 stop
CUN11:05 amCancun
Delta
Jan 30
CUN8:00 amCancun
11h 40m
1 stop
EYW7:40 pmKey West
Feb 1
EYW7:10 amKey West
9h 25m
1 stop
CUN4:35 pmCancun

momondo Fare Finder

 
Customize your flight search to find flights from Mexico to Key West 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 November 26, 2025.
Use the filters below to find and compare flights from Mexico to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 1/30

12:15 pm-7:40 pm

1 stop7h 25m

Key West

Sun 2/1

6:06 pm-11:05 am

1 stop16h 59m

$552

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 1/30

5:08 pm-1:21 pm

2 stops20h 13m

Key West

Sun 2/1

7:45 pm-2:53 pm

2 stops19h 08m

$591

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 1/30

2:25 pm-9:47 pm

1 stop7h 22m

Key West

Sun 2/1

7:45 pm-3:25 pm

2 stops19h 40m

$596

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Fri 1/30

8:00 am-7:40 pm

1 stop11h 40m

Key West

Sun 2/1

7:10 am-4:35 pm

1 stop9h 25m

$616

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Sun 12/28

2:36 pm-1:30 pm

1 stop22h 54m

$276

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Sun 12/28

2:36 pm-9:11 pm

2 stops30h 35m

$326

CancúnKey West

CUN - EYW

CUNEYW

Cancun

Sun 12/28

12:46 pm-1:30 pm

3 stops24h 44m

$330

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Key West from

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

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

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

You could potentially save up to 14% on your flight if you consider stops on a Mexico to Key West flight.

Cheap Mexico to Key West flight deals and tips

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

Fastest flight time

7h 25m

Direct flights

None
The fastest flight from Mexico to Key West takes 7h 25m
There are no direct flights from Mexico to Key West. There are no popular flight routes from Mexico to Key West.
  • When did momondo last update prices for flights from Mexico to Key West Airport?

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Mexico to Key West Airport.

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

    The travel and health documents required for your trip to Key West Airport 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 Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Key West?

Book flights to Key West if you plan to visit one of these locations
Big Pine Key
Little Torch Key

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Mexico to Key West for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Key West from Mexico. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Mexico to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Key West trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/26
Fri 1/2

Find better results for your trip to the United States