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San Juan

$268+ Cheap flights from Key West (EYW) to San Juan

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Key West to San Juan

Cheapest flights from Key West to San Juan
Explore the most affordable flight options available from Key West to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 5/712:15 pm
EYW
-
SJU
1 stop24h 18m
Multiple Airlines
Sun 5/109:49 pm
SJU
-
EYW
1 stop15h 41m
Multiple Airlines
Deal found 2/4$268
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 5/712:15 pm
EYW
-
SJU
1 stop8h 29m
Multiple Airlines
Fri 5/86:00 am
SJU
-
EYW
1 stop7h 30m
Multiple Airlines
Deal found 2/4$290
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 3/59:46 am
EYW
-
SJU
1 stop12h 23m
Multiple Airlines
Mon 3/95:30 am
SJU
-
EYW
1 stop9h 23m
Multiple Airlines
Deal found 2/2$293
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Thu 5/712:15 pm
EYW
-
SJU
1 stop8h 29m
Multiple Airlines
Sat 5/97:05 pm
SJU
-
EYW
1 stop16h 20m
Multiple Airlines
Deal found 2/4$309
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 5/611:46 am
EYW
-
SJU
2 stops24h 47m
Multiple Airlines
Sun 5/109:49 pm
SJU
-
EYW
1 stop15h 41m
Multiple Airlines
Deal found 2/4$315
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Mon 3/239:49 am
EYW
-
SJU
1 stop24h 21m
Multiple Airlines
Sat 3/288:47 pm
SJU
-
EYW
1 stop18h 55m
Multiple Airlines
Deal found 2/4$325
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 5/611:46 am
EYW
-
SJU
2 stops12h 43m
Multiple Airlines
Fri 5/86:00 am
SJU
-
EYW
1 stop7h 30m
Multiple Airlines
Deal found 2/4$334
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/171:01 pm
EYW
-
SJU
2 stops35h 23m
Multiple Airlines
Sat 2/2111:52 am
SJU
-
EYW
1 stop22h 14m
Multiple Airlines
Deal found 2/2$344

Find flight deals from Key West to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.

Round-trip from

$293
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$495
From Key West to San Juan
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key West to San Juan 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 February 5, 2026.
Use the filters below to find and compare flights from Key West to San Juan that are best for you.

Fly from

Key West

Fly to

San Juan

Route

Depart

Return

Price

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 5/7

12:15 pm-8:44 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Fri 5/8

6:00 am-1:30 pm

1 stop7h 30m

$290

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 3/5

9:46 am-11:09 pm

1 stop12h 23m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:30 am-2:53 pm

1 stop9h 23m

$293

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 5/7

12:15 pm-8:44 pm

1 stop8h 29m

San Juan Luis Munoz Marin Intl

Sat 5/9

7:05 pm-11:25 am

1 stop16h 20m

$309

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 5/6

11:46 am-12:33 pm

2 stops24h 47m

San Juan Luis Munoz Marin Intl

Sun 5/10

9:49 pm-1:30 pm

1 stop15h 41m

$315

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Mon 3/23

9:49 am-10:10 am

1 stop24h 21m

San Juan Luis Munoz Marin Intl

Sat 3/28

8:47 pm-3:42 pm

1 stop18h 55m

$325

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Tue 2/17

1:01 pm-1:24 am

2 stops35h 23m

San Juan Luis Munoz Marin Intl

Sat 2/21

11:52 am-9:06 am

1 stop22h 14m

$344

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 5/6

11:46 am-2:42 pm

1 stop26h 56m

San Juan Luis Munoz Marin Intl

Sat 5/9

7:05 pm-11:25 am

1 stop16h 20m

$348

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 3/5

2:25 pm-11:09 pm

3 stops31h 44m

San Juan Luis Munoz Marin Intl

Sun 3/8

1:59 am-1:30 pm

2 stops11h 31m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Best time to book a flight from Key West to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Key West 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 Key West to San Juan
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated February 5, 2026.
Read reviews from past customers who have flown American Airlines from Key West to San Juan. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,237 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.
American Airlines
7.2
Good
11,237 reviews
American Airlines
7.2
Good
11,237 reviews

Crew

8.0

Entertainment

6.9

Food

6.4

Comfort

7.2

Overall

7.2

Boarding

7.5

Reviews

1 / 20
4.0
Okay

Susie,Jan 2026

TPA - CLT

I was sitting at the back of the plane and the flight attendants were so loud, talking to each other and laughing! I thought they were having a party back there.

Related info for your journey

Find useful and relevant information for your journey from Key West to San Juan. 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 from for flights from Key West to San Juan?

    Located just 2.6 mi from the city center, Key West is the airport most travelers will use when flying to San Juan from Key West. Booking flights from Key West (EYW) to San Juan should be relatively easy as there are 0 daily outbound flights to San Juan from 1 airline.

  • What is the cheapest airline to fly from Key West to San Juan round-trip?

    Cheapflights users have booked flights from Key West to San Juan round-trip from $376. American Airlines is currently priced 28% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Key West to San Juan?

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

  • Can I find deals for business class flights from Key West to San Juan?

    Yes. Cheapflights offers flight deals from Key West to San Juan 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 Key West to San Juan

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Top airline flying from Key West to San Juan

Discover the top airline that operate flights from Key West to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$376Average$495FlexibilityNo cancel feeOn-time71%

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