HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$46+ Cheap flights from Florida Keys to San Juan

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 9 — Apr 161
Mi 4/9
Mi 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Florida Keys to San Juan 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 Florida Keys to San Juan

Keep the following information in mind while searching for Florida Keys to San Juan flight deals. Data was last updated April 4, 2025.

Round-trip from

$92
(FlightHub)

One-way from

$46
(Kiwi.com)
From Florida Keys to San Juan
Search Deals
One-way flight from Florida Keys to San Juan
Search Deals

Find flight deals from Florida Keys to San Juan

Cheapest flights from Florida Keys to San Juan
Explore the most affordable flight options available from Florida Keys to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This FlightHub deal was found by Cheapflights users on 4/4. 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.
Sa 5/1012:00 pmMIA - SJU
Nonstop2h 30mSpirit Airlines
Sa 5/177:45 pmSJU - MIA
Nonstop2h 49mSpirit Airlines
Deal found 4/4$92
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 4/156:00 amMIA - SJU
Nonstop2h 26mMultiple Airlines
Do 4/179:35 pmSJU - MIA
Nonstop3h 02mMultiple Airlines
Deal found 4/2$110
This Cheapflightsfares deal was found by Cheapflights users on 4/3. 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.
Mi 4/93:06 pmMIA - SJU
Nonstop2h 37mFrontier
Mi 4/99:35 pmSJU - MIA
Nonstop3h 02mFrontier
Deal found 4/3$131
This Southwest deal was found by Cheapflights users on 4/3. 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.
Mi 5/712:45 pmMIA - SJU
1 stop9h 45mSouthwest
So 5/117:05 amSJU - MIA
1 stop12h 10mSouthwest
Deal found 4/3$219
This Mytrip deal was found by Cheapflights users on 4/3. 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.
Fr 5/29:51 amEYW - SJU
3 stops46h 35mMultiple Airlines
Do 5/86:21 pmSJU - EYW
2 stops21h 55mMultiple Airlines
Deal found 4/3$374
This American Airlines deal was found by Cheapflights users on 4/3. 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.
Fr 5/211:39 amEYW - SJU
1 stop8h 41mAmerican Airlines
Do 5/86:10 amSJU - EYW
1 stop10h 42mAmerican Airlines
Deal found 4/3$480

Cheapflights Fare Finder

Customize your flight search to find flights from Florida Keys to San Juan 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 4, 2025.
Use the filters below to find and compare flights from Florida Keys to San Juan that are best for you.

Fly from

Florida Keys

Fly to

San Juan

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sa 5/10

12:00 pm-2:30 pm

Nonstop2h 30m

San Juan Luis Munoz Marin Intl

Sa 5/17

7:45 pm-10:34 pm

Nonstop2h 49m

$92

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Di 4/15

6:00 am-8:26 am

Nonstop2h 26m

San Juan Luis Munoz Marin Intl

Do 4/17

9:35 pm-12:37 am

Nonstop3h 02m

$110

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Di 5/6

8:15 am-10:53 am

Nonstop2h 38m

San Juan Luis Munoz Marin Intl

Di 5/6

9:30 pm-12:26 am

Nonstop2h 56m

$131

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mi 5/7

12:45 pm-10:30 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Sa 5/10

6:20 am-5:45 pm

1 stop11h 25m

$219

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fr 5/2

9:51 am-8:26 am

3 stops46h 35m

San Juan Luis Munoz Marin Intl

Do 5/8

6:21 pm-4:16 pm

2 stops21h 55m

$374

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fr 5/2

11:39 am-8:20 pm

1 stop8h 41m

San Juan Luis Munoz Marin Intl

Do 5/8

6:10 am-4:52 pm

1 stop10h 42m

$480

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Di 4/29

6:00 am-8:26 am

Nonstop2h 26m

$46

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Di 5/6

8:15 am-10:53 am

Nonstop2h 38m

$66

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mi 4/23

12:45 pm-10:30 pm

1 stop9h 45m

$110

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mi 4/30

6:00 am-4:00 pm

1 stop10h 00m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 13 results
1
2

Best time to book a flight from Florida Keys to San Juan

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

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan 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 San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, 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 San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated April 4, 2025.
Read through reviews of airlines operating flights from Florida Keys to San Juan, such as Southwest, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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
4,276 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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
7,901 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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
8,618 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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
2,919 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,276 reviews

Crew

8.6

Entertainment

7.6

Food

7.1

Overall

8.0

Comfort

8.0

Boarding

8.2

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 San Juan. 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 San Juan one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $46. Frontier flights start at $66 while deals on Southwest start at $110 one-way.

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

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

  • How can I find direct flights from Florida Keys to San Juan?

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

  • Can I find deals for business class flights from Florida Keys to San Juan?

    Yes. Cheapflights offers flight deals from Florida Keys to San Juan 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 San Juan?

    Currently, September is the cheapest month in which you can book a flight from Florida Keys to San Juan (average of $254). Flying from Florida Keys to San Juan 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

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

Alternative routes for Florida Keys to San Juan

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

Top airline flying from Florida Keys to San Juan

Discover the top airline that operate flights from Florida Keys to San Juan. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$246Average$448FlexibilityNo 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.