San Juan

$41+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
feb. 25 — mar. 41
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 febrero 20, 2025.

Round-trip from

$85
(eDestinos)

One-way from

$41
(Mytrip)
From Florida Keys to San Juan
One-way flight from Florida Keys to San Juan

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 febrero 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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.
mar. 3/117:10 amMIA - SJU
Nonstop2h 34mFrontier
mar. 3/189:35 pmSJU - MIA
Nonstop3h 03mFrontier
Deal found 2/20$83
This Cheapflightsfares deal was found by Cheapflights users on 2/19. 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.
mar. 3/117:10 amMIA - SJU
Nonstop2h 34mMultiple Airlines
mar. 3/1812:49 pmSJU - MIA
Nonstop2h 48mMultiple Airlines
Deal found 2/19$86
This eDestinos deal was found by Cheapflights users on 2/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/251:25 pmMIA - SJU
Nonstop2h 36mSpirit Airlines
vie. 2/285:56 pmSJU - MIA
Nonstop2h 54mSpirit Airlines
Deal found 2/20$87
This Southwest deal was found by Cheapflights users on 2/20. 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.
mié. 5/712:45 pmMIA - SJU
1 stop9h 45mSouthwest
dom. 5/117:05 amSJU - MIA
1 stop12h 10mSouthwest
Deal found 2/20$175
This Delta deal was found by Cheapflights users on 2/20. 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.
mié. 4/234:47 pmMIA - SJU
1 stop6h 28mDelta
lun. 4/287:15 amSJU - MIA
1 stop11h 12mDelta
Deal found 2/20$215
This Mytrip deal was found by Cheapflights users on 2/20. 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.
jue. 5/84:24 pmEYW - SJU
3 stops32h 47mMultiple Airlines
mar. 5/131:10 amSJU - EYW
2 stops14h 46mMultiple Airlines
Deal found 2/20$303
This American Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 5/811:28 amEYW - SJU
1 stop5h 08mAmerican Airlines
mié. 5/146:10 amSJU - EYW
1 stop10h 42mAmerican Airlines
Deal found 2/20$335
This JetBlue deal was found by Cheapflights users on 2/20. 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.
vie. 3/77:40 pmEYW - SJU
1 stop6h 04mJetBlue
mar. 3/111:25 pmSJU - EYW
1 stop5h 30mJetBlue
Deal found 2/20$426
This United Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 3/71:54 pmEYW - SJU
1 stop9h 42mUnited Airlines
lun. 3/101:05 amSJU - EYW
2 stops17h 50mUnited Airlines
Deal found 2/20$549

Find flights from Florida Keys to San Juan within your budget

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 febrero 20, 2025.

Fly from

Florida Keys

Fly to

San Juan

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

mar. 3/11

7:10 am-9:44 am

Nonstop2h 34m

San Juan Luis Munoz Marin Intl

mar. 3/18

9:35 pm-12:38 am

Nonstop3h 03m

$83

MiamiSan Juan

MIA - SJU

MIASJU

Miami

mar. 3/11

7:10 am-9:44 am

Nonstop2h 34m

San Juan Luis Munoz Marin Intl

mar. 3/18

12:49 pm-3:37 pm

Nonstop2h 48m

$86

MiamiSan Juan

MIA - SJU

MIASJU

Miami

mar. 2/25

1:25 pm-5:01 pm

Nonstop2h 36m

San Juan Luis Munoz Marin Intl

vie. 2/28

5:56 pm-7:50 pm

Nonstop2h 54m

$87

MiamiSan Juan

MIA - SJU

MIASJU

Miami

mié. 5/7

12:45 pm-10:30 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

dom. 5/11

7:05 am-7:15 pm

1 stop12h 10m

$175

MiamiSan Juan

MIA - SJU

MIASJU

Miami

mié. 4/23

4:47 pm-11:15 pm

1 stop6h 28m

San Juan Luis Munoz Marin Intl

lun. 4/28

7:15 am-6:27 pm

1 stop11h 12m

$215

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

jue. 5/8

4:24 pm-1:11 am

3 stops32h 47m

San Juan Luis Munoz Marin Intl

mar. 5/13

1:10 am-3:56 pm

2 stops14h 46m

$303

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

jue. 5/8

11:28 am-4:36 pm

1 stop5h 08m

San Juan Luis Munoz Marin Intl

mié. 5/14

6:10 am-4:52 pm

1 stop10h 42m

$335

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

vie. 3/7

7:40 pm-2:44 am

1 stop6h 04m

San Juan Luis Munoz Marin Intl

mar. 3/11

1:25 pm-6:55 pm

1 stop5h 30m

$426

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

vie. 3/7

1:54 pm-12:36 am

1 stop9h 42m

San Juan Luis Munoz Marin Intl

lun. 3/10

1:05 am-6:55 pm

2 stops17h 50m

$549

MiamiSan Juan

MIA - SJU

MIASJU

Miami

lun. 3/31

7:00 am-9:26 am

Nonstop2h 26m

$41

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 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.

Travel insights for flights from Florida Keys to San Juan

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

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 febrero 20, 2025.
Read through reviews of airlines operating flights from Florida Keys to San Juan, such as Southwest, Delta and JetBlue. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.7

Comfort

8.1

Entertainment

7.6

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.

Crew

8.7

Comfort

8.1

Entertainment

7.6

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.

8.0
Very good

Crew

8.7

Comfort

8.1

Entertainment

7.6

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.

Crew

8.7

Comfort

8.1

Entertainment

7.6

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.

Crew

8.7

Comfort

8.1

Entertainment

7.6

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.

Crew

8.7

Comfort

8.1

Entertainment

7.6

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 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 $41. Frontier flights start at $44 while deals on Southwest start at $79 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 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

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.

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 febrero 20, 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.