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 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.

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 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.

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 54% 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 $127, or $213 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 $170 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.

$46+ Flights from Florida Keys to San Juan Luis Munoz Marin Intl Airport

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2. Select your favorite providers

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Cheap flight deals from Florida Keys to Luis Munoz Marin Intl

Round-trip from	$92 (FlightHub)
One-way from	$46 (Kiwi.com)

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

Search Deals

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 April 4, 2025.

Sat 5/1012:00 pmMIA - SJU

Nonstop2h 30mSpirit Airlines

Sat 5/177:45 pmSJU - MIA

Nonstop2h 49mSpirit Airlines

Deal found 4/4

$92

Tue 4/156:00 amMIA - SJU

Nonstop2h 26mMultiple Airlines

Thu 4/179:35 pmSJU - MIA

Nonstop3h 02mMultiple Airlines

Deal found 4/2

$110

Wed 4/93:06 pmMIA - SJU

Nonstop2h 37mFrontier

Wed 4/99:35 pmSJU - MIA

Nonstop3h 02mFrontier

Deal found 4/3

$131

Wed 5/712:45 pmMIA - SJU

1 stop9h 45mSouthwest

Sun 5/117:05 amSJU - MIA

1 stop12h 10mSouthwest

Deal found 4/3

$219

Fri 5/29:51 amEYW - SJU

3 stops46h 35mMultiple Airlines

Thu 5/86:21 pmSJU - EYW

2 stops21h 55mMultiple Airlines

Deal found 4/3

$374

Fri 5/211:39 amEYW - SJU

1 stop8h 41mAmerican Airlines

Thu 5/86:10 amSJU - EYW

1 stop10h 42mAmerican Airlines

Deal found 4/3

$480

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 April 4, 2025.

Sat 5/1012:00 pmMIA - SJU

Nonstop2h 30mSpirit Airlines

Sat 5/177:45 pmSJU - MIA

Nonstop2h 49mSpirit Airlines

Deal found 4/4

$92

Tue 4/156:00 amMIA - SJU

Nonstop2h 26mMultiple Airlines

Thu 4/179:35 pmSJU - MIA

Nonstop3h 02mMultiple Airlines

Deal found 4/2

$110

Tue 5/68:15 amMIA - SJU

Nonstop2h 38mFrontier

Tue 5/69:30 pmSJU - MIA

Nonstop2h 56mFrontier

Deal found 4/3

$131

Wed 5/712:45 pmMIA - SJU

1 stop9h 45mSouthwest

Sat 5/106:20 amSJU - MIA

1 stop11h 25mSouthwest

Deal found 4/3

$219

Fri 5/211:39 amEYW - SJU

1 stop8h 41mAmerican Airlines

Thu 5/86:10 amSJU - EYW

1 stop10h 42mAmerican Airlines

Deal found 4/3

$480

Fri 5/29:51 amEYW - SJU

3 stops46h 35mMultiple Airlines

Thu 5/86:21 pmSJU - EYW

2 stops21h 55mMultiple Airlines

Deal found 4/3

$374

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 April 4, 2025 and is based on user searches.

Wed 4/96:00 amMIA - SJU

Nonstop2h 26mMultiple Airlines

Sat 4/129:35 pmSJU - MIA

Nonstop3h 02mMultiple Airlines

Deal found 4/2

$112

Wed 4/93:06 pmMIA - SJU

Nonstop2h 37mFrontier

Wed 4/99:35 pmSJU - MIA

Nonstop3h 02mFrontier

Deal found 4/3

$131

Wed 4/92:50 pmMIA - SJU

1 stop8h 24mDelta

Mon 4/143:34 pmSJU - MIA

1 stop9h 14mDelta

Deal found 4/2

$371

Thu 4/1011:55 amMIA - SJU

2 stops9h 10mSouthwest

Mon 4/146:05 amSJU - MIA

1 stop7h 55mSouthwest

Deal found 4/3

$388

Sun 4/136:00 amMIA - SJU

Nonstop2h 26mSpirit Airlines

Fri 4/185:10 pmSJU - MIA

Nonstop2h 53mSpirit Airlines

Deal found 4/3

$108

Tue 4/156:00 amMIA - SJU

Nonstop2h 26mMultiple Airlines

Thu 4/179:35 pmSJU - MIA

Nonstop3h 02mMultiple Airlines

Deal found 4/2

$110

Fri 5/29:51 amEYW - SJU

3 stops46h 35mMultiple Airlines

Thu 5/86:21 pmSJU - EYW

2 stops21h 55mMultiple Airlines

Deal found 4/3

$374

Fri 5/211:39 amEYW - SJU

1 stop8h 41mAmerican Airlines

Thu 5/86:10 amSJU - EYW

1 stop10h 42mAmerican Airlines

Deal found 4/3

$480

Wed 5/712:45 pmMIA - SJU

1 stop9h 45mSouthwest

Sat 5/106:20 amSJU - MIA

1 stop11h 25mSouthwest

Deal found 4/3

$219

Sat 5/1012:00 pmMIA - SJU

Nonstop2h 30mSpirit Airlines

Sat 5/177:45 pmSJU - MIA

Nonstop2h 49mSpirit Airlines

Deal found 4/4

$92

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 April 4, 2025.

Tue 4/296:00 amMIA - SJU

Nonstop2h 26mSpirit Airlines

Deal found 4/3

$46

Tue 5/68:15 amMIA - SJU

Nonstop2h 38mFrontier

Deal found 4/3

$66

Wed 4/2312:45 pmMIA - SJU

1 stop9h 45mSouthwest

Deal found 4/3

$110

Wed 4/306:00 amMIA - SJU

1 stop10h 00mJetBlue

Deal found 4/3

$129

Mon 8/1812:00 pmMIA - SJU

Nonstop3h 00mAmerican Airlines

Deal found 4/3

$130

Tue 4/297:00 amMIA - SJU

2 stops16h 15mDelta

Deal found 4/3

$178

Sat 9/277:25 amMIA - SJU

2 stops16h 32mUnited Airlines

Deal found 4/4

$208

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

Sat 5/10

12:00 pm-2:30 pm

Nonstop2h 30m

San Juan Luis Munoz Marin Intl

Sat 5/17

7:45 pm-10:34 pm

Nonstop2h 49m

$92

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 4/15

6:00 am-8:26 am

Nonstop2h 26m

San Juan Luis Munoz Marin Intl

Thu 4/17

9:35 pm-12:37 am

Nonstop3h 02m

$110

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 5/6

8:15 am-10:53 am

Nonstop2h 38m

San Juan Luis Munoz Marin Intl

Tue 5/6

9:30 pm-12:26 am

Nonstop2h 56m

$131

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 5/7

12:45 pm-10:30 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

Sat 5/10

6:20 am-5:45 pm

1 stop11h 25m

$219

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 5/2

9:51 am-8:26 am

3 stops46h 35m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:21 pm-4:16 pm

2 stops21h 55m

$374

Key WestSan Juan

EYW - SJU

EYWSJU

Key West

Fri 5/2

11:39 am-8:20 pm

1 stop8h 41m

San Juan Luis Munoz Marin Intl

Thu 5/8

6:10 am-4:52 pm

1 stop10h 42m

$480

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 4/29

6:00 am-8:26 am

Nonstop2h 26m

$46

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Tue 5/6

8:15 am-10:53 am

Nonstop2h 38m

$66

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 4/23

12:45 pm-10:30 pm

1 stop9h 45m

$110

MiamiSan Juan

MIA - SJU

MIASJU

Miami

Wed 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

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

4,276 reviews

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

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

7,897 reviews

Southwest

8.0

Very good

4,276 reviews

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

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

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

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

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 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 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 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

Dorado

Fajardo

Luquillo

Humacao

Rio Grande

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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$46+ 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 4/29. 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 April 4, 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 April 4, 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 April 4, 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

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

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 April 4, 2025.