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Puerto Rico

$44+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 3, 2025.

Round-trip from

$91
(Booking.com)

One-way from

$44
(Cheapflightsfares)
From Florida Keys to Puerto Rico
Search Deals
One-way flight from Florida Keys to Puerto Rico
Search Deals

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 3, 2025.

This Booking.com deal was found by Cheapflights users on 4/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/136:00 amMIA - SJU
Nonstop2h 26mSpirit Airlines
Tue 4/228:45 pmSJU - MIA
1 stop13h 15mSpirit Airlines
Deal found 4/2$91
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/96:00 amMIA - SJU
Nonstop2h 26mMultiple Airlines
Wed 4/1611:00 amSJU - MIA
Nonstop3h 01mMultiple Airlines
Deal found 4/1$109
This Cheapflightsfares deal was found by Cheapflights users on 4/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/77:10 amMIA - SJU
Nonstop2h 35mFrontier
Wed 4/99:35 pmSJU - MIA
Nonstop3h 02mFrontier
Deal found 4/2$127
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/712:45 pmMIA - SJU
1 stop9h 45mSouthwest
Sun 5/117:05 amSJU - MIA
1 stop12h 10mSouthwest
Deal found 4/2$189
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/131:57 pmMIA - BQN
1 stop9h 12mUnited Airlines
Thu 5/1512:15 amBQN - MIA
1 stop11h 06mUnited Airlines
Deal found 4/1$385
This Trip.com deal was found by Cheapflights users on 4/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:00 amMIA - BQN
2 stops16h 57mFrontier
Wed 5/72:47 amBQN - MIA
2 stops18h 51mFrontier
Deal found 4/2$406
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1710:15 amEYW - SJU
1 stop6h 59mAmerican Airlines
Sun 4/206:21 amSJU - EYW
1 stop12h 24mAmerican Airlines
Deal found 4/2$435
This Mytrip deal was found by Cheapflights users on 4/1. 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 4/175:45 amMIA - CPX
2 stops35h 36mMultiple Airlines
Mon 4/215:41 pmCPX - MIA
1 stop26h 22mMultiple Airlines
Deal found 4/1$503
This JetBlue deal was found by Cheapflights users on 4/1. 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 4/1$507
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1710:23 amEYW - SJU
2 stops29h 52mMultiple Airlines
Sun 4/209:30 pmSJU - EYW
2 stops18h 50mMultiple Airlines
Deal found 4/2$523
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/164:21 pmMIA - VQS
1 stop24h 14mMultiple Airlines
Mon 5/192:20 pmVQS - MIA
2 stops8h 14mMultiple Airlines
Deal found 4/2$597
This United Airlines deal was found by Cheapflights users on 4/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/118:45 amEYW - SJU
2 stops15h 09mUnited Airlines
Mon 4/147:00 amSJU - EYW
2 stops35h 05mUnited Airlines
Deal found 4/2$701

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 3, 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

Sun 4/13

6:00 am-8:26 am

Nonstop2h 26m

San Juan Luis Munoz Marin Intl

Tue 4/22

8:45 pm-10:00 am

1 stop13h 15m

$91

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 4/9

6:00 am-8:26 am

Nonstop2h 26m

San Juan Luis Munoz Marin Intl

Wed 4/16

11:00 am-2:01 pm

Nonstop3h 01m

$109

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mon 4/7

7:10 am-9:45 am

Nonstop2h 35m

San Juan Luis Munoz Marin Intl

Wed 4/9

9:35 pm-12:37 am

Nonstop3h 02m

$127

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 5/7

12:45 pm-10:30 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Sun 5/11

7:05 am-7:15 pm

1 stop12h 10m

$189

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Tue 5/13

1:57 pm-11:09 pm

1 stop9h 12m

Aguadilla Borinquen

Thu 5/15

12:15 am-11:21 am

1 stop11h 06m

$385

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Thu 5/1

9:00 am-1:57 am

2 stops16h 57m

Aguadilla Borinquen

Wed 5/7

2:47 am-9:38 pm

2 stops18h 51m

$406

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 4/17

10:15 am-5:14 pm

1 stop6h 59m

San Juan Luis Munoz Marin Intl

Sun 4/20

6:21 am-6:45 pm

1 stop12h 24m

$435

MiamiCulebra

MIA - CPX

MIACPX

Miami

Thu 4/17

5:45 am-5:21 pm

2 stops35h 36m

Culebra

Mon 4/21

5:41 pm-8:03 pm

1 stop26h 22m

$503

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

$507

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 4/17

10:23 am-4:15 pm

2 stops29h 52m

San Juan Luis Munoz Marin Intl

Sun 4/20

9:30 pm-4:20 pm

2 stops18h 50m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 29 results
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2
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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 3, 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
4,274 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,274 reviews
Southwest
8.0
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.0
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,619 reviews
Southwest
8.0
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,274 reviews

Boarding

8.2

Entertainment

7.6

Food

7.1

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    $44 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and American Airlines, with prices starting from $64 and $105, 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$448FlexibilityNo cancel feeOn-time71%

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