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Key West

$172+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Aug 7 — Aug 141
Fri 8/7
Fri 8/14
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 July 8, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Sun 8/236:35 am
SJU
-
EYW
2 stops29h 56m
Multiple Airlines
Sat 8/293:52 pm
EYW
-
SJU
1 stop9h 04m
Multiple Airlines
Deal found 7/4$279
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sun 8/28:37 pm
SJU
-
EYW
1 stop18h 00m
Multiple Airlines
Sun 8/97:53 pm
EYW
-
SJU
1 stop28h 48m
Multiple Airlines
Deal found 7/5$381
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Tue 7/286:44 am
SJU
-
EYW
2 stops33h 26m
Multiple Airlines
Sat 8/12:44 pm
EYW
-
SJU
1 stop9h 57m
Multiple Airlines
Deal found 7/7$406
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 8/17:25 am
SJU
-
EYW
1 stop11h 23m
American Airlines
Sat 8/87:10 pm
EYW
-
SJU
1 stop14h 33m
American Airlines
Deal found 7/4$581
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Tue 7/286:00 am
SJU
-
EYW
2 stops12h 48m
American Airlines
Sat 8/17:33 pm
EYW
-
SJU
2 stops14h 12m
American Airlines
Deal found 7/7$656
This United Airlines deal was found by Cheapflights users on 7/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:25 pm
SJU
-
EYW
1 stop24h 05m
United Airlines
Sat 7/252:26 pm
EYW
-
SJU
1 stop9h 24m
United Airlines
Deal found 7/6$967
This United Airlines deal was found by Cheapflights users on 7/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/17:20 am
SJU
-
EYW
2 stops30h 10m
United Airlines
Sat 8/82:26 pm
EYW
-
SJU
2 stops30h 58m
United Airlines
Deal found 7/4$1,026

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 July 8, 2026.

Round-trip from

$279
(Kiwi.com)

One-way from

$172
(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 July 8, 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

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
Quickest round-trip

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 8/1

7:25 am-6:48 pm

1 stop11h 23m

Key West

Sat 8/8

7:10 pm-9:43 am

1 stop14h 33m

$581

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

Sat 8/1

7:20 am-1:30 pm

2 stops30h 10m

Key West

Sat 8/8

2:26 pm-9:24 pm

2 stops30h 58m

$1,026

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
Cheapest one-way
Quickest one-way

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 8/27

5:15 pm-12:31 pm

1 stop19h 16m

$172

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 7/25

5:22 pm-7:13 pm

1 stop25h 51m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

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 and United Airlines fly from Puerto Rico to Key West in about 11h 23m. The time it takes to get you to your destination can typically vary by up to 12h 42m. Airlines will cover a distance of 1096 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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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