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Cheap flights from San Juan to Key West from $172

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Juan to Key West departing on 8/27. 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
1 adult, Economy, 0 bags

Find the cheapest flights from San Juan to Key West

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:37 pm - 2:37 pm
SJU
-
EYW
18h 00m
1 stop
Multiple Airlines Logo
7:53 pm - 12:41 am
EYW
-
SJU
28h 48m
1 stop
$381Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
6:44 am - 4:10 pm
SJU
-
EYW
33h 26m
2 stops
Multiple Airlines Logo
2:44 pm - 12:41 am
EYW
-
SJU
9h 57m
1 stop
$406Multiple Airlines
Tue, Jul 28 - Sat, Aug 1
Multiple Airlines Logo
5:22 pm - 4:10 pm
SJU
-
EYW
22h 48m
1 stop
Multiple Airlines Logo
2:44 pm - 12:41 am
EYW
-
SJU
9h 57m
1 stop
$430Multiple Airlines
Tue, Jul 28 - Sat, Aug 1
Multiple Airlines Logo
9:02 am - 9:41 am
SJU
-
EYW
24h 39m
2 stops
Multiple Airlines Logo
7:53 pm - 12:41 am
EYW
-
SJU
28h 48m
1 stop
$448Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
American Airlines Logo
6:00 am - 6:48 pm
SJU
-
EYW
12h 48m
2 stops
American Airlines Logo
7:33 pm - 9:45 am
EYW
-
SJU
14h 12m
2 stops
$656American Airlines
Tue, Jul 28 - Sat, Aug 1
United Airlines Logo
1:25 pm - 1:30 pm
SJU
-
EYW
24h 05m
1 stop
United Airlines Logo
2:26 pm - 11:50 pm
EYW
-
SJU
9h 24m
1 stop
$967United Airlines
Tue, Jul 21 - Sat, Jul 25
United Airlines Logo
1:00 am - 1:30 pm
SJU
-
EYW
12h 30m
1 stop
United Airlines Logo
2:26 pm - 8:34 pm
EYW
-
SJU
30h 08m
2 stops
$1,013United Airlines
Mon, Jul 20 - Sat, Jul 25
United Airlines Logo
1:00 am - 3:19 pm
SJU
-
EYW
38h 19m
2 stops
United Airlines Logo
2:26 pm - 8:34 pm
EYW
-
SJU
30h 08m
2 stops
$1,259United Airlines
Mon, Jul 20 - Sat, Jul 25
United Airlines Logo
1:25 pm - 1:29 pm
SJU
-
EYW
24h 04m
1 stop
United Airlines Logo
2:15 pm - 1:45 pm
EYW
-
SJU
23h 30m
1 stop
$1,298United Airlines
Tue, Aug 18 - Thu, Aug 20
United Airlines Logo
1:25 pm - 1:29 pm
SJU
-
EYW
24h 04m
1 stop
United Airlines Logo
2:15 pm - 12:54 pm
EYW
-
SJU
22h 39m
2 stops
$1,348United Airlines
Tue, Aug 18 - Thu, Aug 20

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United Airlines flights from San Juan to Key West

Our best United Airlines deals on San Juan to Key West flight tickets
United Airlines
Jul 23
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 30m
1 stop
EYW1:30 pmKey West
Jul 28
EYW2:26 pmKey West
9h 24m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$846
United Airlines
Jul 23
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 30m
1 stop
EYW1:30 pmKey West
Jul 28
EYW2:26 pmKey West
22h 08m
2 stops
SJU12:34 pmSan Juan Luis Munoz Marin Intl
$956
United Airlines
Jul 21
SJU1:25 pmSan Juan Luis Munoz Marin Intl
24h 05m
1 stop
EYW1:30 pmKey West
Jul 25
EYW2:26 pmKey West
9h 24m
1 stop
SJU11:50 pmSan Juan Luis Munoz Marin Intl
$967

American Airlines flights from San Juan to Key West

Our best American Airlines deals on San Juan to Key West flight tickets
American Airlines
Jul 24
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 48m
2 stops
EYW6:48 pmKey West
Jul 28
EYW7:33 pmKey West
15h 31m
2 stops
SJU11:04 amSan Juan Luis Munoz Marin Intl
$606
American Airlines
Jul 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 48m
2 stops
EYW6:48 pmKey West
Aug 1
EYW7:33 pmKey West
14h 12m
2 stops
SJU9:45 amSan Juan Luis Munoz Marin Intl
$656

momondo Fare Finder

 
Customize your flight search to find flights from San Juan 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 July 9, 2026.
Use the filters below to find and compare flights from San Juan to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 8/2

8:37 pm-2:37 pm

1 stop18h 00m

Key West

Sun 8/9

7:53 pm-12:41 am

1 stop28h 48m

$381

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 7/28

6:44 am-4:10 pm

2 stops33h 26m

Key West

Sat 8/1

2:44 pm-12:41 am

1 stop9h 57m

$406

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 7/28

5:22 pm-4:10 pm

1 stop22h 48m

Key West

Sat 8/1

2:44 pm-12:41 am

1 stop9h 57m

$430

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 8/2

9:02 am-9:41 am

2 stops24h 39m

Key West

Sun 8/9

7:53 pm-12:41 am

1 stop28h 48m

$448
Quickest round-trip

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 7/28

6:00 am-6:48 pm

2 stops12h 48m

Key West

Sat 8/1

7:33 pm-9:45 am

2 stops14h 12m

$656

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 7/21

1:25 pm-1:30 pm

1 stop24h 05m

Key West

Sat 7/25

2:26 pm-11:50 pm

1 stop9h 24m

$967

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 7/20

1:00 am-1:30 pm

1 stop12h 30m

Key West

Sat 7/25

2:26 pm-8:34 pm

2 stops30h 08m

$1,013

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 7/20

1:00 am-3:19 pm

2 stops38h 19m

Key West

Sat 7/25

2:26 pm-8:34 pm

2 stops30h 08m

$1,259

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 8/18

1:25 pm-1:29 pm

1 stop24h 04m

Key West

Thu 8/20

2:15 pm-1:45 pm

1 stop23h 30m

$1,298

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 8/18

1:25 pm-1:29 pm

1 stop24h 04m

Key West

Thu 8/20

2:15 pm-12:54 pm

2 stops22h 39m

$1,348

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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Cheap San Juan to Key West flight deals and tips

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

Fastest flight time

24h 04m

Direct flights

None
The fastest flight from San Juan to Key West takes 24h 04m
There are no direct flights from San Juan to Key West. There are no popular flight routes from San Juan to Key West.
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Frequently asked questions about flying from San Juan to Key West

  • How far is San Juan to Key West by plane?

    Key West is 1091.2 mi away from San Juan. Typically, this will take 24h 04m by plane in normal conditions.

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

    Prices for flights from San Juan to Key West Airport refresh daily.

  • How old do you have to be to fly from San Juan 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 San Juan 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.

Frequently asked questions about flying from San Juan to Key West

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

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

  • How can I save money on flights from San Juan to Key West 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 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 San Juan to Key West?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Juan to Key West. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once all potential San Juan to Key West flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Key West from San Juan 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.

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