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$41+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Round-trip from

$84
(Cheapflightsfares)

One-way from

$41
(Expedia)
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 February 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/22. 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.
Wed 3/57:10 amMIA - SJU
Nonstop2h 34mMultiple Airlines
Tue 3/1112:49 pmSJU - MIA
Nonstop2h 48mMultiple Airlines
Deal found 2/22$84
This Cheapflightsfares deal was found by Cheapflights users on 2/23. 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.
Wed 4/307:15 amMIA - SJU
Nonstop2h 35mFrontier
Mon 5/59:30 pmSJU - MIA
Nonstop2h 56mFrontier
Deal found 2/23$85
This FlightHub deal was found by Cheapflights users on 2/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:25 pmMIA - SJU
Nonstop2h 36mSpirit Airlines
Thu 3/61:49 pmSJU - MIA
Nonstop2h 48mSpirit Airlines
Deal found 2/22$87
This Southwest deal was found by Cheapflights users on 2/22. 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 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 2/22$175
This American Airlines deal was found by Cheapflights users on 2/23. 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 3/79:00 pmMIA - SJU
Nonstop2h 29mAmerican Airlines
Mon 3/105:00 amSJU - MIA
Nonstop3h 00mAmerican Airlines
Deal found 2/23$201
This Delta deal was found by Cheapflights users on 2/22. 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.
Thu 4/244:47 pmMIA - SJU
1 stop6h 28mDelta
Sun 4/273:34 pmSJU - MIA
1 stop9h 14mDelta
Deal found 2/22$215
This United Airlines deal was found by Cheapflights users on 2/21. 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.
Wed 3/512:45 pmMIA - BQN
1 stop10h 12mUnited Airlines
Mon 3/1012:09 amBQN - MIA
1 stop11h 09mUnited Airlines
Deal found 2/21$375
This Mytrip deal was found by Cheapflights users on 2/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/99:20 amMIA - VQS
1 stop23h 25mMultiple Airlines
Thu 3/137:30 amVQS - MIA
1 stop8h 07mMultiple Airlines
Deal found 2/22$478
This JetBlue Airways deal was found by Cheapflights users on 2/23. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/252:16 pmMIA - BQN
1 stop9h 50mJetBlue
Mon 4/281:26 amBQN - MIA
1 stop11h 53mJetBlue
Deal found 2/23$511

Find flights from Florida Keys to Puerto Rico within your budget

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 February 23, 2025.

Fly from

Florida Keys

Fly to

Puerto Rico

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 3/5

7:10 am-10:44 am

Nonstop2h 34m

San Juan Luis Munoz Marin Intl

Tue 3/11

12:49 pm-3:37 pm

Nonstop2h 48m

$84

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 4/30

7:15 am-9:50 am

Nonstop2h 35m

San Juan Luis Munoz Marin Intl

Mon 5/5

9:30 pm-12:26 am

Nonstop2h 56m

$85

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 3/6

9:20 am-12:49 pm

Nonstop2h 29m

San Juan Luis Munoz Marin Intl

Sun 3/9

12:49 pm-3:37 pm

Nonstop2h 48m

$87

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

$175

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 3/7

9:00 pm-12:29 am

Nonstop2h 29m

San Juan Luis Munoz Marin Intl

Mon 3/10

5:00 am-8:00 am

Nonstop3h 00m

$201

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 4/24

4:47 pm-11:15 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

Sun 4/27

3:34 pm-12:48 am

1 stop9h 14m

$215

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Wed 3/5

12:45 pm-11:57 pm

1 stop10h 12m

Aguadilla Borinquen

Mon 3/10

12:09 am-11:18 am

1 stop11h 09m

$375

MiamiVieques

MIA - VQS

MIAVQS

Miami

Sun 3/9

9:20 am-8:45 am

1 stop23h 25m

Vieques

Thu 3/13

7:30 am-3:37 pm

1 stop8h 07m

$478

MiamiAguadilla

MIA - BQN

MIABQN

Miami

Fri 4/25

2:16 pm-12:06 am

1 stop9h 50m

Aguadilla Borinquen

Mon 4/28

1:26 am-1:19 pm

1 stop11h 53m

$511

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mon 3/31

7:00 am-9:26 am

Nonstop2h 26m

$41

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Florida Keys to Puerto Rico

Get recent, data-driven insights about flights from Florida Keys to Puerto Rico including ideal travel times, pricing trends, and more.

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 February 23, 2025.
See what other customers who have flown with Southwest, Delta and JetBlue 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
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,385 reviews
Southwest
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,187 reviews
Southwest
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,065 reviews
Southwest
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,746 reviews
Southwest
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,385 reviews

Entertainment

7.6

Crew

8.7

Comfort

8.1

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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?

    $41 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 $43 and $83, 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 March is currently the most expensive (average of $363). 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

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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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$448FlexibilityNo cancel feeOn-time71%
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