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Cheap flights from Cancún to Key West from $644

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Cancún to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:45 pm - 7:33 pmCUN  Cancun-EYW Key West
5h 48m1 stop Miami
American Airlines Logo
5:28 pm - 1:07 pmEYW  Key West-CUN Cancun
20h 39m1 stop Miami
$644American Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
2:49 pm - 3:24 pmCUN  Cancun-EYW Key West
47h 35m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 2:37 pmEYW  Key West-CUN Cancun
23h 27m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$672United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
5:22 pm - 3:24 pmCUN  Cancun-EYW Key West
45h 02m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 12:43 pmEYW  Key West-CUN Cancun
21h 33m1 stop Chicago O'Hare Intl
$672United Airlines
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
2:03 pm - 7:33 pmCUN  Cancun-EYW Key West
4h 30m1 stop Miami
American Airlines Logo
7:19 pm - 11:45 amEYW  Key West-CUN Cancun
17h 26m2 stops Charlotte Douglas Miami
$675American Airlines
Sat, Oct 10 - Sat, Oct 17
United Airlines Logo
5:22 pm - 3:24 pmCUN  Cancun-EYW Key West
45h 02m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 2:24 pmEYW  Key West-CUN Cancun
23h 14m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$676United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
5:22 pm - 3:24 pmCUN  Cancun-EYW Key West
45h 02m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 12:43 pmEYW  Key West-CUN Cancun
21h 33m1 stop Chicago O'Hare Intl
$676United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
2:49 pm - 3:24 pmCUN  Cancun-EYW Key West
47h 35m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 2:37 pmEYW  Key West-CUN Cancun
23h 27m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$676United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
1:43 pm - 3:24 pmCUN  Cancun-EYW Key West
48h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 12:43 pmEYW  Key West-CUN Cancun
21h 33m1 stop Chicago O'Hare Intl
$678United Airlines
Thu, Oct 22 - Mon, Oct 26
United Airlines Logo
1:43 pm - 3:24 pmCUN  Cancun-EYW Key West
48h 41m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
United Airlines Logo
4:10 pm - 2:24 pmEYW  Key West-CUN Cancun
23h 14m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
$678United Airlines
Thu, Oct 22 - Mon, Oct 26
American Airlines Logo
3:31 pm - 1:03 pmCUN  Cancun-EYW Key West
20h 32m2 stops Charlotte Douglas Miami
American Airlines Logo
7:19 pm - 11:45 amEYW  Key West-CUN Cancun
17h 26m2 stops Charlotte Douglas Miami
$694American Airlines
Sat, Oct 10 - Sat, Oct 17

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United Airlines flights from Cancún to Key West

Our best United Airlines deals on Cancún to Key West flight tickets
United Airlines
Oct 22
CUN5:22 pmCancun
45h 02m
2 stops
EYW3:24 pmKey West
Oct 26
EYW4:10 pmKey West
21h 33m
1 stop
CUN12:43 pmCancun
$672
United Airlines
Oct 22
CUN5:22 pmCancun
45h 02m
2 stops
EYW3:24 pmKey West
Oct 26
EYW4:10 pmKey West
23h 14m
2 stops
CUN2:24 pmCancun
$676
United Airlines
Oct 22
CUN1:43 pmCancun
48h 41m
2 stops
EYW3:24 pmKey West
Oct 26
EYW4:10 pmKey West
21h 33m
1 stop
CUN12:43 pmCancun
$678

Aeromexico flights from Cancún to Key West

Our best Aeromexico deals on Cancún to Key West flight tickets
Aeromexico
Oct 22
CUN8:00 amCancun
8h 15m
1 stop
EYW5:15 pmKey West
Oct 26
EYW7:40 amKey West
13h 15m
1 stop
CUN7:55 pmCancun
$766
Aeromexico
Oct 22
CUN8:00 amCancun
8h 15m
1 stop
EYW5:15 pmKey West
Oct 26
EYW7:40 amKey West
13h 15m
1 stop
CUN7:55 pmCancun
$768
Aeromexico
Oct 22
CUN8:00 amCancun
8h 15m
1 stop
EYW5:15 pmKey West
Oct 26
EYW7:40 amKey West
13h 15m
1 stop
CUN7:55 pmCancun
$772

momondo Fare Finder

 
Use the filters below to find and compare flights from Cancún to Key West that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Sat 10/10

12:45 pm-7:33 pm

1 stop5h 48m

Key West

Sat 10/17

5:28 pm-1:07 pm

1 stop20h 39m

$644

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

2:49 pm-3:24 pm

2 stops47h 35m

Key West

Mon 10/26

4:10 pm-2:37 pm

2 stops23h 27m

$672

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

5:22 pm-3:24 pm

2 stops45h 02m

Key West

Mon 10/26

4:10 pm-12:43 pm

1 stop21h 33m

$672
Quickest round-trip

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Sat 10/10

2:03 pm-7:33 pm

1 stop4h 30m

Key West

Sat 10/17

7:19 pm-11:45 am

2 stops17h 26m

$675

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

5:22 pm-3:24 pm

2 stops45h 02m

Key West

Mon 10/26

4:10 pm-2:24 pm

2 stops23h 14m

$676

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

5:22 pm-3:24 pm

2 stops45h 02m

Key West

Mon 10/26

4:10 pm-12:43 pm

1 stop21h 33m

$676

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

2:49 pm-3:24 pm

2 stops47h 35m

Key West

Mon 10/26

4:10 pm-2:37 pm

2 stops23h 27m

$676

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

1:43 pm-3:24 pm

2 stops48h 41m

Key West

Mon 10/26

4:10 pm-12:43 pm

1 stop21h 33m

$678

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Thu 10/22

1:43 pm-3:24 pm

2 stops48h 41m

Key West

Mon 10/26

4:10 pm-2:24 pm

2 stops23h 14m

$678

CancúnKey West

CUN Cancun - EYW Key West

CUNEYW

Cancun

Sat 10/10

3:31 pm-1:03 pm

2 stops20h 32m

Key West

Sat 10/17

7:19 pm-11:45 am

2 stops17h 26m

$694

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Cancún to Key West

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

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

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

Best Price Found

$644

Fastest flight time

47h 35m

Direct flights

None
The best flight deal from Cancún to Key West found on momondo in the last 72 hours is $644
The fastest flight from Cancún to Key West takes 47h 35m
There are no direct flights from Cancún to Key West. There are no popular flight routes from Cancún to Key West.
Search flight deals

Frequently asked questions about flying from Cancún to Key West

  • How far is Cancun to Key West by plane?

    The straight-line distance from Cancun to Key West is 396.6 mi. By plane, this route typically takes 47h 35m.

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

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

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

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

    The necessary travel and health documents for your Key West Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from Cancún to Key West

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

    Search flight deals from Cancún to Key West. While viewing offers you’ll have the option to create a Price Alert.

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

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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 Cancún to Key West?

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 Key West from Cancún.

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

momondo does allow users to show only those flights to Key West from Cancún which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Key West from Cancún.

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

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

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