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Cheap flights from Florida Keys to Puerto Rico

EYW — SJU
Jun 30 — Jul 71
Tue 6/30
Tue 7/7
1 adult, Economy
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Find flight deals from Florida Keys to Puerto Rico

Keep the following information in mind while searching for Florida Keys to Puerto Rico flight deals. Data was last updated May 31, 2026.

Round-trip from

$155
(Expedia)

One-way from

$79
(Super.com)
From Florida Keys to Puerto Rico
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One-way flight from Florida Keys to Puerto Rico
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Cheapflights Insights

Everything you need to know about your flight from Florida Keys to Puerto Rico

How far ahead should I book a flight from Florida Keys to Puerto Rico?

The price you pay for your flight from Florida Keys to Puerto Rico may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Florida Keys to Puerto Rico?

Currently, January is the cheapest month in which you can book a flight from Florida Keys to Puerto Rico (average of $254). Flying from Florida Keys to Puerto Rico in October is currently the most expensive (average of $491). 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.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated May 31, 2026.
Read reviews from past customers who have flown Delta,JetBlue, andAmerican Airlines from Florida Keys to Puerto Rico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
7.9
Good
8,412 reviews
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
JetBlue
7.2
Good
2,983 reviews
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
American Airlines
7.1
Good
11,643 reviews
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Spirit Airlines
6.2
Okay
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Frontier
5.6
Fair
2,925 reviews
Delta
7.9
Good
8,412 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

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

  • How long is the flight from Florida Keys to Puerto Rico?

    For as low as $526, Southwest can have you in Puerto Rico from Florida Keys in 9h 48m. Airlines will cover a distance of 980 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Florida Keys to Puerto Rico one-way?

    $57 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and JetBlue, with prices starting from $88 and $90, respectively.

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

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

  • How can I find direct flights from Florida Keys to Puerto Rico?

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

  • Can I find deals for business class flights from Florida Keys to Puerto Rico?

    Yes. Cheapflights offers flight deals from Florida Keys to Puerto Rico 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 Florida Keys to Puerto Rico?

    Currently, January is the cheapest month in which you can book a flight from Florida Keys to Puerto Rico (average of $254). Flying from Florida Keys to Puerto Rico in October is currently the most expensive (average of $491). 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.

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Alternative routes for Florida Keys to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Florida Keys to Puerto Rico

Discover the top airline that operate flights from Florida Keys to Puerto Rico. 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 May 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$390Average$519FlexibilityNo cancel feeOn-time71%

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