What are the cheapest airlines to fly from Florida Keys to San Juan Luis Munoz Marin Intl Airport one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. Spirit Airlines flights start at $76 while deals on Southwest start at $84 one-way.

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.

How far in advance should I book a flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport?

Travelers have found it’s best to book a flight 52 days in advance to save up to 95% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 52 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport 1-2 weeks in advance for as low as $136, or $215 for flights within the next 24 hours.

What is the cheapest month to fly from Florida Keys to San Juan Luis Munoz Marin Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to San Juan Luis Munoz Marin Intl Airport. Flights to San Juan Luis Munoz Marin Intl Airport from Florida Keys in September are about $180 on average during September, but can be found for as low as $59.

What is the cheapest time of day to fly from EOA to SJU?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Florida Keys to San Juan Luis Munoz Marin Intl Airport as you normally would.

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.

$73+ Flights from Florida Keys to San Juan Luis Munoz Marin Intl Airport

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Cheap flight deals from Florida Keys to Luis Munoz Marin Intl

Round-trip from	$128 (Kiwi.com)
One-way from	$74 (CheapOair)

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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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 June 12, 2025.

Wed 6/256:33 pmMIA - SJU

Nonstop2h 31mSpirit Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mSpirit Airlines

Deal found 6/11

$128

Tue 6/243:40 pmMIA - SJU

Nonstop2h 49mMultiple Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mMultiple Airlines

Deal found 6/11

$132

Fri 10/314:10 pmMIA - SJU

1 stop7h 48mFrontier

Sat 11/11:11 amSJU - MIA

1 stop22h 50mFrontier

Deal found 6/11

$145

Tue 9/1612:10 pmMIA - SJU

Nonstop2h 43mAmerican Airlines

Mon 9/297:05 pmSJU - MIA

Nonstop2h 45mAmerican Airlines

Deal found 6/11

$240

Wed 10/17:00 amEYW - SJU

1 stop6h 23mDelta

Mon 10/67:30 amSJU - EYW

1 stop9h 42mDelta

Deal found 6/12

$319

Wed 10/111:25 amEYW - SJU

1 stop6h 49mAmerican Airlines

Mon 10/612:00 pmSJU - EYW

1 stop7h 07mAmerican Airlines

Deal found 6/11

$365

Thu 6/2610:12 amEYW - SJU

1 stop15h 19mMultiple Airlines

Sun 6/292:36 amSJU - EYW

1 stop10h 41mMultiple Airlines

Deal found 6/11

$494

Wed 10/18:45 amEYW - SJU

2 stops15h 12mUnited Airlines

Sun 10/51:05 amSJU - EYW

2 stops30h 55mUnited Airlines

Deal found 6/11

$714

Best flights from Florida Keys to Luis Munoz Marin Intl
Discover carefully curated flight deals from Florida Keys to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Wed 6/256:33 pmMIA - SJU

Nonstop2h 31mSpirit Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mSpirit Airlines

Deal found 6/11

$128

Tue 6/243:40 pmMIA - SJU

Nonstop2h 49mMultiple Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mMultiple Airlines

Deal found 6/11

$132

Fri 10/314:10 pmMIA - SJU

1 stop7h 48mFrontier

Sat 11/11:11 amSJU - MIA

1 stop22h 50mFrontier

Deal found 6/11

$145

Fri 9/192:03 pmMIA - SJU

1 stop8h 05mDelta

Tue 9/235:19 pmSJU - MIA

1 stop7h 06mDelta

Deal found 6/11

$205

Tue 9/1612:10 pmMIA - SJU

Nonstop2h 43mAmerican Airlines

Tue 9/231:36 pmSJU - MIA

Nonstop2h 47mAmerican Airlines

Deal found 6/12

$240

Wed 10/17:00 amEYW - SJU

1 stop6h 23mDelta

Mon 10/67:30 amSJU - EYW

1 stop9h 42mDelta

Deal found 6/12

$319

Wed 10/18:45 amEYW - SJU

2 stops15h 12mUnited Airlines

Sun 10/51:05 amSJU - EYW

2 stops30h 55mUnited Airlines

Deal found 6/11

$714

Wed 10/111:25 amEYW - SJU

1 stop6h 49mAmerican Airlines

Mon 10/612:00 pmSJU - EYW

1 stop7h 07mAmerican Airlines

Deal found 6/11

$365

Thu 6/2610:12 amEYW - SJU

1 stop15h 19mMultiple Airlines

Sun 6/292:36 amSJU - EYW

1 stop10h 41mMultiple Airlines

Deal found 6/11

$494

Last-minute flights from Florida Keys to Luis Munoz Marin Intl
Discover last-minute flight deals from Florida Keys to Luis Munoz Marin Intl. Data last updated June 12, 2025 and is based on user searches.

Wed 6/183:40 pmMIA - SJU

Nonstop2h 49mFrontier

Tue 6/247:34 pmSJU - MIA

Nonstop2h 54mFrontier

Deal found 6/11

$156

Wed 6/187:10 amMIA - SJU

2 stops11h 55mSouthwest

Wed 6/2511:35 amSJU - MIA

1 stop10h 20mSouthwest

Deal found 6/11

$311

Thu 6/196:33 pmMIA - SJU

Nonstop2h 31mSpirit Airlines

Wed 6/254:45 pmSJU - MIA

Nonstop2h 51mSpirit Airlines

Deal found 6/10

$146

Sat 6/2112:15 pmMIA - SJU

1 stop12h 29mMultiple Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mMultiple Airlines

Deal found 6/11

$139

Tue 6/243:40 pmMIA - SJU

Nonstop2h 49mMultiple Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mMultiple Airlines

Deal found 6/11

$132

Wed 6/256:33 pmMIA - SJU

Nonstop2h 31mSpirit Airlines

Thu 6/267:36 pmSJU - MIA

Nonstop2h 50mSpirit Airlines

Deal found 6/11

$128

Thu 6/2610:12 amEYW - SJU

1 stop15h 19mMultiple Airlines

Sun 6/292:36 amSJU - EYW

1 stop10h 41mMultiple Airlines

Deal found 6/11

$494

Sun 6/291:00 pmEYW - SJU

2 stops16h 30mUnited Airlines

Sat 7/52:05 amSJU - EYW

2 stops29h 55mUnited Airlines

Deal found 6/11

$996

Thu 7/107:51 pmEYW - SJU

1 stop15h 13mAmerican Airlines

Sat 7/126:04 amSJU - EYW

1 stop4h 53mAmerican Airlines

Deal found 6/11

$430

One-way flights from Florida Keys to Luis Munoz Marin Intl
Search for one-way flight options from Florida Keys to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Fri 8/227:50 amMIA - SJU

1 stop8h 13mFrontier

Deal found 6/10

$74

Tue 6/176:33 pmMIA - SJU

Nonstop2h 31mSpirit Airlines

Deal found 6/12

$76

Wed 7/1612:00 pmMIA - SJU

1 stop11h 25mSouthwest

Deal found 6/11

$84

Tue 9/93:35 pmMIA - SJU

Nonstop2h 39mAmerican Airlines

Deal found 6/11

$115

Wed 6/252:22 pmMIA - SJU

1 stop9h 35mUnited Airlines

Deal found 6/10

$213

Sun 6/228:45 amEYW - SJU

1 stop7h 17mJetBlue

Deal found 6/10

$319

Tue 6/1711:20 amEYW - SJU

1 stop6h 45mAmerican Airlines

Deal found 6/11

$323

Sun 6/222:07 pmEYW - SJU

2 stops29h 12mMultiple Airlines

Deal found 6/10

$365

Tue 6/172:12 pmEYW - SJU

3 stops27h 18mUnited Airlines

Deal found 6/11

$999

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 6/25

6:33 pm-9:04 pm

Nonstop2h 31m

San Juan Luis Munoz Marin Intl

Thu 6/26

7:36 pm-10:26 pm

Nonstop2h 50m

$128

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 6/24

3:40 pm-6:29 pm

Nonstop2h 49m

San Juan Luis Munoz Marin Intl

Thu 6/26

7:36 pm-10:26 pm

Nonstop2h 50m

$132

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Fri 10/31

4:10 pm-11:58 pm

1 stop7h 48m

San Juan Luis Munoz Marin Intl

Sat 11/1

1:11 am-12:01 am

1 stop22h 50m

$145

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 9/16

12:10 pm-2:53 pm

Nonstop2h 43m

San Juan Luis Munoz Marin Intl

Mon 9/29

7:05 pm-9:50 pm

Nonstop2h 45m

$240

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 10/1

7:00 am-1:23 pm

1 stop6h 23m

San Juan Luis Munoz Marin Intl

Mon 10/6

7:30 am-5:12 pm

1 stop9h 42m

$319

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 10/1

6:17 pm-12:46 pm

2 stops18h 29m

San Juan Luis Munoz Marin Intl

Mon 10/6

5:27 pm-11:17 am

2 stops17h 50m

$365

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Thu 6/26

10:12 am-1:31 am

1 stop15h 19m

San Juan Luis Munoz Marin Intl

Sun 6/29

2:36 am-1:17 pm

1 stop10h 41m

$494

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Wed 10/1

8:45 am-11:57 pm

2 stops15h 12m

San Juan Luis Munoz Marin Intl

Sun 10/5

1:05 am-8:00 am

2 stops30h 55m

$714

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Sat 10/25

7:05 am-2:15 pm

1 stop7h 10m

$73

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 6/17

6:33 pm-9:04 pm

Nonstop2h 31m

$76

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results

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

Rainfall in Luis Munoz Marin Intl by month

In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.

Temperature in Luis Munoz Marin Intl by month

If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl

See what other customers who have flown with Southwest, Delta and United Airlines from Florida Keys to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

JetBlue

7.3

Good

2,925 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines to fly from Florida Keys to San Juan Luis Munoz Marin Intl Airport one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $74. Spirit Airlines flights start at $76 while deals on Southwest start at $84 one-way.
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

Dorado

Fajardo

Luquillo

Rio Grande

Humacao

Bayamón

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Top airline flying from Florida Keys to Luis Munoz Marin Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$246	Average$448	FlexibilityNo cancel fee	On-time71%

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$73+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Florida Keys to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 June 12, 2025.

Round-trip from

One-way from

Find flight deals from Florida Keys to Luis Munoz Marin Intl

Cheapest flights from Florida Keys to Luis Munoz Marin IntlExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

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.

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.

Cheapflights Insights

Everything you need to know about your flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport

Rainfall in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.

Temperature in Luis Munoz Marin Intl by month

Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Luis Munoz Marin Intl

See what other customers who have flown with Southwest, Delta and United Airlines from Florida Keys to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines to fly from Florida Keys to San Juan Luis Munoz Marin Intl Airport one-way?

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

How can I 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?

What is the cheapest month to book a flight from Florida Keys to San Juan Luis Munoz Marin Intl Airport?

Traveling to a place near Florida Keys?

Browse thousands of different options on Cheapflights for your next trip

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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.

Top airline flying from Florida Keys to Luis Munoz Marin Intl

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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 June 12, 2025.