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Luis Munoz Marin Intl

$78+ Cheap flights from Florida Keys to Luis Munoz Marin Intl (SJU)

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Florida Keys to Luis Munoz Marin Intl

Keep the following information in mind while searching for Florida Keys to Luis Munoz Marin Intl flight deals. Data was last updated September 11, 2025.

Round-trip from

$147
(Cheapflightsfares)

One-way from

$78
(Kiwi.com)

Popular in

January

Cheapest in

April

Average price

$444
From Florida Keys to San Juan Luis Munoz Marin Intl
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One-way flight from Florida Keys to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 24% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Florida Keys to Luis Munoz Marin Intl

Cheapest flights from Florida Keys to Luis Munoz Marin Intl
Explore the most affordable flight options available from Florida Keys to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 10/199:18 amMIA - SJU
Nonstop2h 43mFrontier
Fri 10/2411:48 amSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/11$147
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Fri 10/245:13 pmMIA - SJU
Nonstop2h 43mFrontier
Mon 10/279:06 pmSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/11$152
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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 12/1410:26 amMIA - SJU
Nonstop2h 46mFrontier
Sun 12/145:50 pmSJU - MIA
Nonstop3h 04mFrontier
Deal found 9/11$156
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 11/312:27 pmMIA - SJU
Nonstop2h 43mFrontier
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 9/10$157
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/312:27 pmMIA - SJU
Nonstop2h 43mFrontier
Fri 11/76:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 9/10$158
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/175:13 pmMIA - SJU
Nonstop2h 43mFrontier
Mon 10/209:06 pmSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/11$159
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/205:13 pmMIA - SJU
Nonstop2h 43mFrontier
Mon 10/279:06 pmSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/10$162
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amMIA - SJU
Nonstop2h 40mFrontier
Fri 12/55:50 pmSJU - MIA
Nonstop3h 04mFrontier
Deal found 9/11$163
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 10/195:13 pmMIA - SJU
Nonstop2h 43mFrontier
Thu 10/239:06 pmSJU - MIA
Nonstop2h 50mFrontier
Deal found 9/10$166
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:13 pmMIA - SJU
Nonstop2h 43mFrontier
Sun 10/195:30 amSJU - MIA
Nonstop2h 48mFrontier
Deal found 9/10$168
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/1810:47 amEYW - SJU
1 stop8h 11mMultiple Airlines
Wed 10/224:51 pmSJU - EYW
2 stops51h 04mMultiple Airlines
Deal found 9/11$330
This American Airlines deal was found by Cheapflights users on 9/11. 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 11/74:18 pmEYW - SJU
1 stop6h 40mAmerican Airlines
Wed 11/122:47 pmSJU - EYW
1 stop5h 36mAmerican Airlines
Deal found 9/11$365

Cheapflights Fare Finder

 
Customize your flight search to find flights from Florida Keys to Luis Munoz Marin Intl 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 September 11, 2025.
Use the filters below to find and compare flights from Florida Keys to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Florida Keys

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 10/1

6:55 am-5:25 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sat 10/4

5:45 am-8:30 pm

1 stop14h 45m

$202

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 10/21

12:09 pm-9:59 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Sat 10/25

5:43 pm-12:29 am

1 stop6h 46m

$215

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/15

6:25 am-6:40 pm

2 stops11h 15m

San Juan Luis Munoz Marin Intl

Mon 11/17

5:45 am-12:05 pm

1 stop7h 20m

$279

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 10/3

6:25 am-7:25 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Sun 10/5

5:45 am-6:00 pm

1 stop12h 15m

$298

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 9/17

11:40 am-10:30 pm

1 stop10h 50m

San Juan Luis Munoz Marin Intl

Tue 9/23

8:00 am-8:40 pm

2 stops12h 40m

$306

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Mon 10/20

6:25 am-7:25 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Mon 10/27

10:05 am-10:05 pm

1 stop12h 00m

$315

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 10/2

6:25 am-7:25 pm

2 stops13h 00m

San Juan Luis Munoz Marin Intl

Sun 10/5

5:45 am-6:00 pm

1 stop12h 15m

$319

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 10/21

11:45 am-11:50 pm

2 stops12h 05m

San Juan Luis Munoz Marin Intl

Mon 10/27

10:05 am-10:05 pm

1 stop12h 00m

$319

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sun 9/14

9:16 pm-11:01 am

1 stop13h 45m

San Juan Luis Munoz Marin Intl

Sat 9/20

12:28 am-8:21 pm

1 stop19h 53m

$327

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Sat 10/18

10:47 am-6:58 pm

1 stop8h 11m

San Juan Luis Munoz Marin Intl

Wed 10/22

4:51 pm-7:55 pm

2 stops51h 04m

$330

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 27 results
1
2
3

Best time to book a flight from Florida Keys to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and JetBlue from Florida Keys to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,913 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Florida Keys to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport?

    Departing from Florida Keys to San Juan Luis Munoz Marin Intl Airport will take you 6h 40m. Airlines will cover a distance of 1096 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Florida Keys to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Florida Keys to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Florida Keys to Luis Munoz Marin Intl?

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

  • Can I find deals for business class flights from Florida Keys to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Florida Keys to Luis Munoz Marin Intl 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 Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Florida Keys to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for Florida Keys to Luis Munoz Marin Intl

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 Luis Munoz Marin Intl

Discover the top airline that operate flights from Florida Keys to Luis Munoz Marin Intl. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$360Average$455FlexibilityNo cancel feeOn-time71%

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