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$311+ Cheap flights from Luis Munoz Marin Intl (SJU) to Key West (EYW)

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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to Key West

Cheapest flights from Luis Munoz Marin Intl to Key West
Explore the most affordable flight options available from Luis Munoz Marin Intl to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 12/277:35 amSJU - EYW
1 stop6h 55mMultiple Airlines
Mon 12/292:30 pmEYW - SJU
1 stop20h 59mMultiple Airlines
Deal found 12/10$311
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Fri 12/266:00 amSJU - EYW
1 stop8h 30mMultiple Airlines
Mon 12/292:30 pmEYW - SJU
1 stop20h 59mMultiple Airlines
Deal found 12/10$331
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Fri 12/266:00 amSJU - EYW
1 stop8h 30mMultiple Airlines
Tue 12/3012:20 pmEYW - SJU
1 stop8h 45mMultiple Airlines
Deal found 12/10$351
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Sat 12/277:35 amSJU - EYW
1 stop6h 55mMultiple Airlines
Tue 12/3010:59 amEYW - SJU
2 stops13h 40mMultiple Airlines
Deal found 12/10$375
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/2610:03 pmSJU - EYW
1 stop20h 41mAmerican Airlines
Tue 12/304:03 pmEYW - SJU
1 stop6h 31mAmerican Airlines
Deal found 12/10$583
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amSJU - EYW
1 stop11h 15mDelta
Sun 12/217:25 amEYW - SJU
1 stop9h 05mDelta
Deal found 12/10$635
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/185:24 amSJU - EYW
2 stops11h 33mAmerican Airlines
Sun 12/214:03 pmEYW - SJU
1 stop6h 36mAmerican Airlines
Deal found 12/10$665
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/273:46 pmSJU - EYW
1 stop25h 02mUnited Airlines
Mon 12/291:25 pmEYW - SJU
1 stop7h 57mUnited Airlines
Deal found 12/10$865
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 amSJU - EYW
1 stop11h 52mDelta
Mon 12/297:25 amEYW - SJU
1 stop9h 05mDelta
Deal found 12/10$967

Find flight deals from Luis Munoz Marin Intl to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Key West (EYW). 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$311
(Kiwi.com)
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Key West flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Key West flights.
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From San Juan Luis Munoz Marin Intl to Key West
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl 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 December 12, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Key West that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Key West

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 12/26

6:00 am-1:30 pm

1 stop8h 30m

Key West

Mon 12/29

2:30 pm-12:29 pm

1 stop20h 59m

$331

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 12/27

7:35 am-1:30 pm

1 stop6h 55m

Key West

Tue 12/30

12:20 pm-10:05 pm

1 stop8h 45m

$331

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 12/26

6:00 am-1:30 pm

1 stop8h 30m

Key West

Tue 12/30

12:20 pm-10:05 pm

1 stop8h 45m

$351

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 12/26

10:03 pm-5:44 pm

1 stop20h 41m

Key West

Tue 12/30

4:03 pm-11:34 pm

1 stop6h 31m

$583

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 12/18

7:00 am-5:15 pm

1 stop11h 15m

Key West

Sun 12/21

7:25 am-5:30 pm

1 stop9h 05m

$635

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 12/27

7:35 am-1:30 pm

1 stop6h 55m

Key West

Mon 12/29

5:49 pm-3:59 pm

2 stops21h 10m

$659

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 12/18

5:24 am-3:57 pm

2 stops11h 33m

Key West

Sun 12/21

4:03 pm-11:39 pm

1 stop6h 36m

$665

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Thu 1/29

8:10 am-4:22 pm

1 stop9h 12m

Key West

Sun 2/1

6:05 pm-1:17 pm

1 stop18h 12m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from Luis Munoz Marin Intl to Key West

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Key West in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Key West flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Key West flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Key West flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Key West flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Key West

What is the cheapest time of day to fly from SJU to EYW?

Find hourly flight availability from Luis Munoz Marin Intl to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to Key West is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 56% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl?

    If you book a flight to Key West from San Juan Luis Munoz Marin Intl, you will be flying to Key West, which is the city’s only airport. Key West (EYW) is located 2.6 mi from the center of Key West. There are 0 flights from San Juan Luis Munoz Marin Intl to Key West per day from 0 different airlines.

  • Can I find deals for flights from Luis Munoz Marin Intl to Key West that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Key West?

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

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Key West?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl 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.

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