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San Juan

$81+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — SJU
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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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 October 23, 2025.

Round-trip from

$150
(Kiwi.com)

One-way from

$81
(CheapOair)
From Florida Keys to San Juan
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One-way flight from Florida Keys to San Juan
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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 October 23, 2025.

This Frontier deal was found by Cheapflights users on 10/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:27 pmMIA - SJU
Nonstop2h 43mFrontier
Sun 11/29:45 amSJU - MIA
Nonstop2h 47mFrontier
Deal found 10/23$152
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 pmMIA - SJU
Nonstop2h 34mFrontier
Fri 1/96:59 pmSJU - MIA
Nonstop3h 01mFrontier
Deal found 10/22$153
This Gotogate deal was found by Cheapflights users on 10/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amMIA - SJU
Nonstop2h 37mFrontier
Wed 12/173:54 amSJU - MIA
Nonstop3h 06mFrontier
Deal found 10/21$154
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:44 pmMIA - SJU
Nonstop2h 37mMultiple Airlines
Thu 12/410:42 amSJU - MIA
Nonstop3h 00mMultiple Airlines
Deal found 10/23$155
This Frontier deal was found by Cheapflights users on 10/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:45 pmMIA - SJU
Nonstop2h 47mFrontier
Mon 11/247:11 amSJU - MIA
2 stops17h 29mFrontier
Deal found 10/21$161
This CheapOair deal was found by Cheapflights users on 10/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:45 pmMIA - SJU
Nonstop2h 47mFrontier
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 10/22$162
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:27 pmMIA - SJU
Nonstop2h 43mFrontier
Fri 11/215:19 pmSJU - MIA
2 stops31h 21mFrontier
Deal found 10/22$165
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/99:45 pmMIA - SJU
Nonstop2h 47mFrontier
Wed 11/126:17 pmSJU - MIA
1 stop15h 55mFrontier
Deal found 10/20$166
This CheapOair deal was found by Cheapflights users on 10/21. 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 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
Thu 11/66:54 pmSJU - MIA
Nonstop2h 51mFrontier
Deal found 10/21$167
This Frontier deal was found by Cheapflights users on 10/22. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amMIA - SJU
Nonstop2h 37mFrontier
Wed 12/173:54 amSJU - MIA
Nonstop3h 06mFrontier
Deal found 10/22$168
This Priceline deal was found by Cheapflights users on 10/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:00 amMIA - SJU
Nonstop2h 37mFrontier
Thu 12/189:49 amSJU - MIA
Nonstop3h 00mFrontier
Deal found 10/22$169
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:57 amEYW - SJU
2 stops33h 30mMultiple Airlines
Fri 11/285:19 pmSJU - EYW
1 stop21h 10mMultiple Airlines
Deal found 10/22$386

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 October 23, 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

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 12/11

11:20 am-9:50 pm

1 stop11h 30m

$175

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 12/5

4:55 pm-12:35 am

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Tue 12/9

6:40 am-4:10 pm

1 stop10h 30m

$234

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/8

11:55 am-11:00 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:15 am-4:15 pm

1 stop11h 00m

$234

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 11/14

6:20 am-7:50 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:15 am-4:15 pm

1 stop11h 00m

$241

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Mon 12/8

5:45 am-12:05 pm

1 stop7h 20m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 12/2

5:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Wed 12/10

5:45 am-12:05 pm

1 stop7h 20m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/4

5:05 pm-12:35 am

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Sat 12/13

6:15 am-4:15 pm

1 stop11h 00m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/1

9:15 am-9:10 pm

2 stops11h 55m

San Juan Luis Munoz Marin Intl

Mon 11/3

3:55 pm-9:50 pm

1 stop6h 55m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 11/8

12:40 pm-12:30 am

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Tue 11/11

8:55 am-7:50 pm

2 stops11h 55m

$259

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Thu 12/11

5:15 pm-12:35 am

1 stop6h 20m

San Juan Luis Munoz Marin Intl

Mon 12/15

5:45 am-12:05 pm

1 stop7h 20m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 26 results
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2
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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
No data available for this route at this time. Please check back soon.

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 October 23, 2025.
See what other customers who have flown with Southwest, American Airlines, and JetBlue from Florida Keys to San Juan have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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
2,908 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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
8,098 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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
3,128 reviews
Southwest
8.0
Very good
4,237 reviews

Food

7.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Comfort

8.0

Overall

8.0

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 San Juan. 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?

    Airlines like Southwest and American Airlines fly from Florida Keys to San Juan in about 6h 01m. The time it takes to get you to your destination can typically vary by up to 29m. The distance from Florida Keys to San Juan is about 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 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.

See more FAQs

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Alternative routes for Florida Keys to San Juan

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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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$360Average$455FlexibilityNo cancel feeOn-time71%

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