HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$198+ Cheap flights from San Juan 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — EYW
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Juan to Key West with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Juan to Key West

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 March 28, 2025.

Round-trip from

$435
(American Airlines)

One-way from

$198
(Delta)

Popular in

June

Cheapest in

October

Average price

$496
From San Juan to Key West
Search Deals
One-way flight from San Juan to Key West
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from San Juan to Key West

Cheapest flights from San Juan to Key West
Explore the most affordable flight options available from San Juan to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 6/66:05 amSJU - EYW
1 stop12h 57mAmerican Airlines
Mon 6/911:20 amEYW - SJU
1 stop6h 45mAmerican Airlines
Deal found 3/27$435
This Trip.com deal was found by Cheapflights users on 3/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/145:01 amSJU - EYW
1 stop8h 59mMultiple Airlines
Fri 4/181:00 pmEYW - SJU
1 stop11h 59mMultiple Airlines
Deal found 3/27$498
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 4/147:00 amSJU - EYW
2 stops35h 05mUnited Airlines
Fri 4/188:45 amEYW - SJU
2 stops30h 55mUnited Airlines
Deal found 3/27$614

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from San Juan to Key West that are best for you.

Fly from

San Juan

Fly to

Key West

Route

Depart

Return

Price

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Fri 6/6

6:05 am-7:02 pm

1 stop12h 57m

Key West

Mon 6/9

11:20 am-6:05 pm

1 stop6h 45m

$435

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 4/14

5:01 am-2:00 pm

1 stop8h 59m

Key West

Fri 4/18

1:00 pm-12:59 am

1 stop11h 59m

$498

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 4/14

7:00 am-6:05 pm

2 stops35h 05m

Key West

Fri 4/18

8:45 am-3:40 pm

2 stops30h 55m

$614

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Tue 5/6

7:15 am-5:17 pm

1 stop10h 02m

$198

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sun 5/4

9:25 am-6:05 pm

1 stop8h 40m

$201

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Mon 5/5

6:10 am-4:52 pm

1 stop10h 42m

$202

San JuanKey West

SJU - EYW

SJUEYW

San Juan Luis Munoz Marin Intl

Sat 5/3

1:05 am-6:05 pm

2 stops17h 00m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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

Have a flexible travel schedule? Discover the best time to fly to Key West from San Juan 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 to Key West

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

Find hourly flight availability from San Juan 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 March 28, 2025.

One of the essential ways to save on airfare from San Juan 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 morning could potentially save you up to 25% on airfare.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

Get insights into the airlines that provide service to Key West. 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 Key West. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,896 reviews

Entertainment

7.9

Comfort

8.0

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jose A,Sep 2023

SJU - JFK

Most importantly it was on time, then great crew, great service and comfortable.

Related info for your journey

Find useful and relevant information for your journey from San Juan 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?

    For a flight from San Juan to Key West, you will be flying into Key West. Key West (EYW) is just 2.6 mi from the center of the city. Key West is the only Key West airport and it handles 0 inbound flights from San Juan per day. 1 airline has flights to Key West from San Juan on a regular basis.

  • What are the cheapest airlines flying from San Juan to Key West round-trip?

    Flying on American Airlines is currently your cheapest option to Key West, with prices starting at $435. Another option worth looking into is United Airlines, starting at $614 round trip. Users have found that American Airlines is 8% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Juan to Key West one-way?

    $198 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $202 and $267, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Juan 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.

  • What is the cheapest month to book a flight from San Juan to Key West?

    Currently, August is the cheapest month in which you can book a flight from San Juan to Key West (average of $328). Flying from San Juan to Key West in March is currently the most expensive (average of $495). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Juan to Key West

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Orlando flights
Luis Munoz Marin Intl to Fort Lauderdale flights
Luis Munoz Marin Intl to Miami flights
Luis Munoz Marin Intl to Tampa flights
Ponce to Orlando flights
Aguadilla to Orlando flights
Luis Munoz Marin Intl to Jacksonville flights
Aguadilla to Fort Lauderdale flights
Luis Munoz Marin Intl to West Palm Beach flights
Luis Munoz Marin Intl to Panama City flights
Luis Munoz Marin Intl to Fort Myers flights
Luis Munoz Marin Intl to Pensacola flights
Luis Munoz Marin Intl to Daytona Beach flights
Luis Munoz Marin Intl to Tallahassee flights
Aguadilla to Tampa flights
Luis Munoz Marin Intl to Melbourne flights
Luis Munoz Marin Intl to Gainesville flights
Mayagüez to Orlando flights
Luis Munoz Marin Intl to Key West flights
Ponce to Tampa flights
Luis Munoz Marin Intl to Orlando Sanford Intl flights
Ponce to Pensacola flights
Culebra to Miami flights
Aguadilla to Miami flights
Vieques to Orlando flights
Culebra to Orlando flights
Aguadilla to Jacksonville flights
Vieques to Fort Lauderdale flights
Ponce to Fort Lauderdale flights
Mayagüez to Fort Lauderdale flights

Top airline flying from San Juan to Key West

Discover the top airline that operate flights from San Juan to Key West. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$462FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.