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Key West

$140+ Cheap flights from Puerto Rico to Key West (EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
1 adult, Economy
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Cheap flight deals from Puerto Rico to Key West

Cheapest flights from Puerto Rico to Key West
Explore the most affordable flight options available from Puerto Rico to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:00 am
SJU
-
EYW
2 stops26h 27m
Multiple Airlines
Tue 6/91:14 pm
EYW
-
SJU
1 stop11h 23m
Multiple Airlines
Deal found 5/18$415
This American Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
SJU
-
EYW
1 stop13h 39m
American Airlines
Sat 8/158:09 pm
EYW
-
SJU
1 stop13h 34m
American Airlines
Deal found 5/17$446
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/43:03 am
SJU
-
EYW
1 stop8h 24m
Multiple Airlines
Tue 6/91:14 pm
EYW
-
SJU
1 stop11h 23m
Multiple Airlines
Deal found 5/18$447
This American Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:00 am
SJU
-
EYW
2 stops12h 49m
American Airlines
Fri 6/1211:28 am
EYW
-
SJU
1 stop10h 30m
American Airlines
Deal found 5/20$596
This American Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:01 am
SJU
-
EYW
2 stops12h 48m
American Airlines
Tue 6/911:28 am
EYW
-
SJU
1 stop10h 30m
American Airlines
Deal found 5/18$706

Find flight deals from Puerto Rico to Key West

Keep the following information in mind while searching for Puerto Rico to Key West flight deals. Data was last updated May 23, 2026.

Round-trip from

$367
(Kiwi.com)

One-way from

$140
(Kiwi.com)
From Puerto Rico to Key West
Search Deals
One-way flight from Puerto Rico to Key West
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico 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, Cheapflights users made 2,558,603 searches. Data last updated May 23, 2026.
Use the filters below to find and compare flights from Puerto Rico 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

Thu 6/4

9:00 am-11:27 am

2 stops26h 27m

Key West

Tue 6/9

1:14 pm-12:37 am

1 stop11h 23m

$415

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 8/10

7:14 pm-12:45 pm

2 stops17h 31m

Key West

Sat 8/15

8:09 pm-9:43 am

1 stop13h 34m

$446
Quickest round-trip

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 6/4

3:03 am-11:27 am

1 stop8h 24m

Key West

Tue 6/9

1:14 pm-12:37 am

1 stop11h 23m

$447

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 6/5

6:01 am-6:49 pm

2 stops12h 48m

Key West

Tue 6/9

11:28 am-9:58 pm

1 stop10h 30m

$706

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 8/9

7:40 am-3:19 pm

1 stop31h 39m

Key West

Thu 8/13

2:20 pm-3:42 pm

2 stops25h 22m

$1,123
Cheapest one-way

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 6/9

8:00 am-11:06 am

2 stops27h 06m

$204

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 11/1

10:03 am-10:19 am

1 stop25h 16m

$214

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 6/6

4:46 pm-10:24 am

1 stop17h 38m

$219

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 6/8

4:46 pm-12:34 pm

1 stop19h 48m

$222
Quickest one-way

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 6/4

3:03 am-11:27 am

1 stop8h 24m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Sorted by cheapest first

Best time to book a flight from Puerto Rico to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Puerto Rico with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to Key West
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Key West from Puerto Rico?

    Most people fly into Key West (EYW) if they book a flight to Key West from Puerto Rico. Key West is conveniently located just 2.6 mi from Key West’s city center.

  • How long is the flight from Puerto Rico to Key West?

    Airlines like American Airlines fly from Puerto Rico to Key West in about 17h 31m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1096 mi.

  • Can I find deals for flights from Puerto Rico to Key West that include hotel bookings?

    Yes. In addition to deals on Puerto Rico to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Puerto Rico to Key West?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Puerto Rico to Key West.

  • Can I find deals for business class flights from Puerto Rico to Key West?

    Yes. Cheapflights offers flight deals from Puerto Rico to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Puerto Rico to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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