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Puerto Rico

$49+ Cheap flights from Florida Keys to Puerto Rico

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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap 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 April 24, 2025.

Round-trip from

$105
(FlightHub)

One-way from

$49
(Cheapflightsfares)
From Florida Keys to Puerto Rico
Search Deals
One-way flight from Florida Keys to Puerto Rico
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Find flight deals from Florida Keys to Puerto Rico

Cheapest flights from Florida Keys to Puerto Rico
Explore the most affordable flight options available from Florida Keys to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:25 amMIA - SJU
Nonstop2h 35mFrontier
Thu 5/89:30 pmSJU - MIA
Nonstop2h 56mFrontier
Deal found 4/23$106
This FlightHub deal was found by Cheapflights users on 4/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:00 amMIA - SJU
Nonstop2h 26mMultiple Airlines
Wed 5/79:30 pmSJU - MIA
Nonstop2h 56mMultiple Airlines
Deal found 4/23$109
This Cheapflightsfares deal was found by Cheapflights users on 4/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:00 amMIA - SJU
Nonstop2h 26mSpirit Airlines
Fri 5/97:45 pmSJU - MIA
Nonstop2h 49mSpirit Airlines
Deal found 4/22$124
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/25:55 pmMIA - SJU
Nonstop2h 25mAmerican Airlines
Sun 5/46:21 amSJU - MIA
Nonstop2h 55mAmerican Airlines
Deal found 4/23$166
This Delta deal was found by Cheapflights users on 4/22. 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.
Tue 4/291:50 pmMIA - SJU
1 stop9h 25mDelta
Sun 5/46:15 amSJU - MIA
1 stop7h 35mDelta
Deal found 4/22$253
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/1612:27 pmMIA - BQN
1 stop10h 42mUnited Airlines
Sat 5/1712:15 amBQN - MIA
1 stop8h 55mUnited Airlines
Deal found 4/23$415
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/162:30 pmMIA - BQN
1 stop11h 31mJetBlue
Sun 5/185:05 amBQN - MIA
1 stop8h 26mJetBlue
Deal found 4/23$514
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:28 pmMIA - CPX
1 stop15h 06mMultiple Airlines
Mon 5/123:40 pmCPX - MIA
1 stop6h 54mMultiple Airlines
Deal found 4/23$524
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:28 pmMIA - VQS
1 stop18h 47mMultiple Airlines
Mon 5/123:10 pmVQS - MIA
1 stop7h 24mMultiple Airlines
Deal found 4/23$546
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/3012:20 pmMIA - CPX
2 stops28h 31mUnited Airlines
Wed 6/410:13 amCPX - MIA
2 stops19h 32mUnited Airlines
Deal found 4/23$1,566
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 6/194:17 pmMIA - VQS
2 stops50h 58mUnited Airlines
Sun 6/228:45 amVQS - MIA
2 stops50h 19mUnited Airlines
Deal found 4/23$1,590
This United Airlines deal was found by Cheapflights users on 4/22. 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 4/291:27 pmMIA - MAZ
2 stops26h 22mUnited Airlines
Sun 5/41:25 pmMAZ - MIA
2 stops22h 23mUnited Airlines
Deal found 4/22$2,412

Cheapflights Fare Finder

Customize your flight search to find flights from Florida Keys to Puerto Rico 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 April 24, 2025.
Use the filters below to find and compare flights from Florida Keys to Puerto Rico that are best for you.

Fly from

Florida Keys

Fly to

Puerto Rico

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 5/6

11:05 am-7:40 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Wed 5/7

9:30 pm-12:26 am

Nonstop2h 56m

$105

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 5/7

8:15 am-10:53 am

Nonstop2h 38m

San Juan Luis Munoz Marin Intl

Tue 5/13

9:30 pm-12:26 am

Nonstop2h 56m

$115

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 5/6

11:05 am-7:40 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Sat 5/10

7:45 pm-10:34 pm

Nonstop2h 49m

$123

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 5/10

2:11 pm-4:36 pm

Nonstop2h 25m

San Juan Luis Munoz Marin Intl

Sun 5/11

6:10 am-9:00 am

Nonstop2h 50m

$171

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 5/15

3:25 pm-11:30 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

Mon 5/19

7:40 am-10:00 pm

2 stops14h 20m

$272

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Fri 5/16

12:27 pm-11:09 pm

1 stop10h 42m

Aguadilla Borinquen

Sat 5/17

12:15 am-9:10 am

1 stop8h 55m

$415

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Fri 5/16

2:30 pm-2:01 am

1 stop11h 31m

Aguadilla Borinquen

Sun 5/18

5:05 am-1:31 pm

1 stop8h 26m

$514

MiamiCulebra

MIA - CPX

MIACPX

Miami

Thu 5/8

5:28 pm-8:34 am

1 stop15h 06m

Culebra

Mon 5/12

3:40 pm-10:34 pm

1 stop6h 54m

$524

MiamiVieques

MIA - VQS

MIAVQS

Miami

Thu 5/8

5:28 pm-12:15 pm

1 stop18h 47m

Vieques

Mon 5/12

3:10 pm-10:34 pm

1 stop7h 24m

$546

MiamiCulebra

MIA - CPX

MIACPX

Miami

Fri 5/30

12:20 pm-4:51 pm

2 stops28h 31m

Culebra

Wed 6/4

10:13 am-5:45 am

2 stops19h 32m

$1,566

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 23 results
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Best time to book a flight from Florida Keys to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Florida Keys 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 Florida Keys to Puerto Rico

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 24, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Florida Keys to Puerto Rico have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,286 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,920 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,685 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,286 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Entertainment

7.6

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

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.

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

    $49 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from $54 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, September 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 December is currently the most expensive (average of $336). 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

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$448FlexibilityNo cancel feeOn-time71%

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