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Cheap flights from San Juan to Key West from $137

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 3/16. 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

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Cheap round-trip flights

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Spirit Airlines Logo
7:54 pm - 11:30 am
SJU
-
EYW
15h 36m
1 stop
Spirit Airlines Logo
12:25 pm - 6:55 pm
EYW
-
SJU
6h 30m
1 stop
$288Spirit Airlines
Mon, Mar 16 - Wed, Mar 18
Spirit Airlines Logo
7:54 pm - 11:30 am
SJU
-
EYW
15h 36m
1 stop
Spirit Airlines Logo
12:25 pm - 10:10 am
EYW
-
SJU
21h 45m
2 stops
$339Spirit Airlines
Mon, Mar 16 - Wed, Mar 18
Spirit Airlines Logo
7:54 pm - 11:30 am
SJU
-
EYW
15h 36m
1 stop
Spirit Airlines Logo
12:25 pm - 9:59 pm
EYW
-
SJU
33h 34m
3 stops
$373Spirit Airlines
Mon, Mar 16 - Wed, Mar 18
Multiple Airlines Logo
8:47 pm - 11:30 am
SJU
-
EYW
38h 43m
2 stops
Multiple Airlines Logo
9:49 am - 10:10 am
EYW
-
SJU
24h 21m
1 stop
$374Multiple Airlines
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
1:45 am - 12:26 pm
SJU
-
EYW
10h 41m
1 stop
Multiple Airlines Logo
9:49 am - 10:10 am
EYW
-
SJU
24h 21m
1 stop
$414Multiple Airlines
Thu, Mar 12 - Fri, Mar 20
Spirit Airlines Logo
8:47 pm - 11:30 am
SJU
-
EYW
14h 43m
2 stops
Spirit Airlines Logo
12:25 pm - 9:59 pm
EYW
-
SJU
33h 34m
3 stops
$430Spirit Airlines
Mon, Mar 16 - Wed, Mar 18
American Airlines Logo
7:11 am - 7:12 pm
SJU
-
EYW
12h 01m
1 stop
American Airlines Logo
7:42 pm - 9:00 am
EYW
-
SJU
13h 18m
1 stop
$436American Airlines
Mon, Mar 16 - Wed, Mar 18
Spirit Airlines Logo
1:45 am - 1:37 pm
SJU
-
EYW
11h 52m
2 stops
Spirit Airlines Logo
2:35 pm - 10:10 am
EYW
-
SJU
19h 35m
2 stops
$499Spirit Airlines
Thu, Mar 12 - Fri, Mar 20
Spirit Airlines Logo
1:29 am - 11:30 am
SJU
-
EYW
34h 01m
3 stops
Spirit Airlines Logo
12:25 pm - 9:59 pm
EYW
-
SJU
33h 34m
3 stops
$503Spirit Airlines
Sun, Mar 15 - Wed, Mar 18
Spirit Airlines Logo
1:45 am - 1:37 pm
SJU
-
EYW
11h 52m
2 stops
Spirit Airlines Logo
2:35 pm - 11:58 pm
EYW
-
SJU
33h 23m
3 stops
$520Spirit Airlines
Thu, Mar 12 - Fri, Mar 20

United Airlines flights from San Juan to Key West

Our best United Airlines deals on San Juan to Key West flight tickets
United Airlines
Feb 19
SJU8:30 amSan Juan Luis Munoz Marin Intl
14h 39m
1 stop
EYW10:09 pmKey West
Feb 23
EYW2:15 pmKey West
9h 21m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
$866
United Airlines
Feb 19
SJU8:30 amSan Juan Luis Munoz Marin Intl
14h 39m
1 stop
EYW10:09 pmKey West
Feb 23
EYW6:40 pmKey West
19h 00m
2 stops
SJU2:40 pmSan Juan Luis Munoz Marin Intl
$870
United Airlines
Feb 23
SJU8:05 amSan Juan Luis Munoz Marin Intl
9h 02m
1 stop
EYW4:07 pmKey West
Feb 26
EYW2:15 pmKey West
9h 21m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
$900

Spirit Airlines flights from San Juan to Key West

Our best Spirit Airlines deals on San Juan to Key West flight tickets
Spirit Airlines
Mar 16
SJU7:54 pmSan Juan Luis Munoz Marin Intl
15h 36m
1 stop
EYW11:30 amKey West
Mar 18
EYW12:25 pmKey West
6h 30m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
$288
Spirit Airlines
Mar 16
SJU7:54 pmSan Juan Luis Munoz Marin Intl
15h 36m
1 stop
EYW11:30 amKey West
Mar 18
EYW12:25 pmKey West
21h 45m
2 stops
SJU10:10 amSan Juan Luis Munoz Marin Intl
$339
Spirit Airlines
Mar 16
SJU7:54 pmSan Juan Luis Munoz Marin Intl
15h 36m
1 stop
EYW11:30 amKey West
Mar 18
EYW12:25 pmKey West
33h 34m
3 stops
SJU9:59 pmSan Juan Luis Munoz Marin Intl
$373

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 February 13, 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

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 3/16

7:54 pm-11:30 am

1 stop15h 36m

Key West

Wed 3/18

12:25 pm-6:55 pm

1 stop6h 30m

$288

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 3/16

7:54 pm-11:30 am

1 stop15h 36m

Key West

Wed 3/18

12:25 pm-10:10 am

2 stops21h 45m

$339

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 3/16

7:54 pm-11:30 am

1 stop15h 36m

Key West

Wed 3/18

12:25 pm-9:59 pm

3 stops33h 34m

$373

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 3/13

8:47 pm-11:30 am

2 stops38h 43m

Key West

Fri 3/20

9:49 am-10:10 am

1 stop24h 21m

$374

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 3/12

1:45 am-12:26 pm

1 stop10h 41m

Key West

Fri 3/20

9:49 am-10:10 am

1 stop24h 21m

$414

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 3/16

8:47 pm-11:30 am

2 stops14h 43m

Key West

Wed 3/18

12:25 pm-9:59 pm

3 stops33h 34m

$430

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 3/16

7:11 am-7:12 pm

1 stop12h 01m

Key West

Wed 3/18

7:42 pm-9:00 am

1 stop13h 18m

$436

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 3/12

1:45 am-1:37 pm

2 stops11h 52m

Key West

Fri 3/20

2:35 pm-10:10 am

2 stops19h 35m

$499

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 3/15

1:29 am-11:30 am

3 stops34h 01m

Key West

Wed 3/18

12:25 pm-9:59 pm

3 stops33h 34m

$503

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 3/12

1:45 am-1:37 pm

2 stops11h 52m

Key West

Fri 3/20

2:35 pm-11:58 pm

3 stops33h 23m

$520

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Juan 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

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

Spirit Airlines and American Airlines are the most popular carriers operating from San Juan to Key West

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

9h 02m

Direct flights

None
The fastest flight from San Juan to Key West takes 9h 02m
There are no direct flights from San Juan to Key West. There are no popular flight routes from San Juan to Key West.
Search flight deals

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

    Key West is 1091.2 mi away from San Juan. Typically, this will take 9h 02m 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.

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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Sun 3/15
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