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Cheap flights from Louisville to San Juan from $127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Juan departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Louisville to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:06 pm - 7:22 pm
SDF
-
SJU
25h 16m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$208Spirit Airlines
Fri, May 1 - Thu, May 7
Spirit Airlines Logo
6:06 pm - 12:54 am
SDF
-
SJU
30h 48m
2 stops
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$231Spirit Airlines
Fri, May 1 - Thu, May 7
Spirit Airlines Logo
6:06 pm - 7:22 pm
SDF
-
SJU
25h 16m
1 stop
Spirit Airlines Logo
12:57 pm - 5:04 pm
SJU
-
SDF
28h 07m
1 stop
$234Spirit Airlines
Fri, Apr 24 - Fri, May 1
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$243Spirit Airlines
Sun, May 10 - Thu, May 14
Multiple Airlines Logo
7:48 pm - 11:24 pm
SDF
-
SJU
27h 36m
2 stops
Multiple Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$251Multiple Airlines
Fri, May 1 - Thu, May 7
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$265Spirit Airlines
Sun, May 10 - Sat, May 16
Multiple Airlines Logo
6:06 pm - 8:49 am
SDF
-
SJU
38h 43m
2 stops
Multiple Airlines Logo
11:00 am - 6:58 pm
SJU
-
SDF
7h 58m
1 stop
$279Multiple Airlines
Thu, Apr 30 - Fri, May 15
Multiple Airlines Logo
6:06 pm - 12:23 pm
SDF
-
SJU
18h 17m
1 stop
Multiple Airlines Logo
11:00 am - 6:58 pm
SJU
-
SDF
7h 58m
1 stop
$280Multiple Airlines
Thu, Apr 30 - Fri, May 15
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$283Spirit Airlines
Sat, May 16 - Sun, May 24
Multiple Airlines Logo
8:06 pm - 4:01 am
SDF
-
SJU
31h 55m
2 stops
Multiple Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$291Multiple Airlines
Sat, May 23 - Thu, May 28

Delta flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Our best Delta deals on Louisville to San Juan Luis Munoz Marin Intl Airport flight tickets
Delta
May 12
SDF1:05 pmLouisville Intl
7h 25m
1 stop
SJU8:30 pmSan Juan Luis Munoz Marin Intl
May 26
SJU5:43 pmSan Juan Luis Munoz Marin Intl
6h 42m
1 stop
SDF12:25 amLouisville Intl
$356
Delta
Apr 15
SDF6:00 amLouisville Intl
10h 23m
1 stop
SJU4:23 pmSan Juan Luis Munoz Marin Intl
Apr 20
SJU5:34 pmSan Juan Luis Munoz Marin Intl
6h 25m
1 stop
SDF11:59 pmLouisville Intl
$484

American Airlines flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on Louisville to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
May 11
SDF7:33 amLouisville Intl
13h 18m
1 stop
SJU8:51 pmSan Juan Luis Munoz Marin Intl
May 27
SJU6:20 amSan Juan Luis Munoz Marin Intl
11h 22m
1 stop
SDF5:42 pmLouisville Intl
$316
American Airlines
May 1
SDF7:31 amLouisville Intl
14h 34m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
May 7
SJU2:42 pmSan Juan Luis Munoz Marin Intl
9h 43m
2 stops
SDF12:25 amLouisville Intl
$326
American Airlines
May 13
SDF7:31 amLouisville Intl
14h 34m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
May 20
SJU3:08 pmSan Juan Luis Munoz Marin Intl
9h 15m
1 stop
SDF12:23 amLouisville Intl
$331

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated April 14, 2026.
Use the filters below to find and compare flights from Louisville to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/1

6:06 pm-7:22 pm

1 stop25h 16m

San Juan Luis Munoz Marin Intl

Thu 5/7

8:04 pm-9:28 am

1 stop13h 24m

$208

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/1

6:06 pm-12:54 am

2 stops30h 48m

San Juan Luis Munoz Marin Intl

Thu 5/7

8:04 pm-9:28 am

1 stop13h 24m

$231

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 4/24

6:06 pm-7:22 pm

1 stop25h 16m

San Juan Luis Munoz Marin Intl

Fri 5/1

12:57 pm-5:04 pm

1 stop28h 07m

$234
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 5/10

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Thu 5/14

8:04 pm-9:28 am

1 stop13h 24m

$243

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/1

7:48 pm-11:24 pm

2 stops27h 36m

San Juan Luis Munoz Marin Intl

Thu 5/7

8:04 pm-9:28 am

1 stop13h 24m

$251

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 5/10

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Sat 5/16

8:04 pm-9:28 am

1 stop13h 24m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

6:06 pm-8:49 am

2 stops38h 43m

San Juan Luis Munoz Marin Intl

Fri 5/15

11:00 am-6:58 pm

1 stop7h 58m

$279

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

6:06 pm-12:23 pm

1 stop18h 17m

San Juan Luis Munoz Marin Intl

Fri 5/15

11:00 am-6:58 pm

1 stop7h 58m

$280

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 5/16

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Sun 5/24

8:04 pm-9:28 am

1 stop13h 24m

$283

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 5/23

8:06 pm-4:01 am

2 stops31h 55m

San Juan Luis Munoz Marin Intl

Thu 5/28

8:04 pm-9:28 am

1 stop13h 24m

$291

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Louisville to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Louisville and San Juan Luis Munoz Marin Intl Airport?

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

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $346.

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Louisville for as low as $355 on momondo.

Can stopping save me money on Louisville to San Juan Luis Munoz Marin Intl Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Louisville to San Juan Luis Munoz Marin Intl Airport flight.

How have Louisville to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of April 2026, prices for Louisville to San Juan Luis Munoz Marin Intl Airport flights are approximately 59% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to San Juan Luis Munoz Marin Intl Airport (SDF to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Juan Luis Munoz Marin Intl Airport

Fastest flight time

5h 35m

Direct flights

None
The fastest flight from Louisville to San Juan Luis Munoz Marin Intl Airport takes 5h 35m
There are no direct flights from Louisville to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from Louisville to San Juan Luis Munoz Marin Intl Airport.
Search flight deals

Frequently asked questions about flying from Louisville to San Juan Luis Munoz Marin Intl Airport

  • How far is Louisville Intl to San Juan Luis Munoz Marin Intl by plane?

    San Juan Luis Munoz Marin Intl is 1811.4 mi away from Louisville Intl. A reasonable flight in good conditions will take 5h 35m.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The required travel and health documents for your San Juan Luis Munoz Marin Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Louisville to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Louisville to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $176Free CancellationRating
6.3
8,614 reviews
Search Spirit Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,405 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,328 reviews
Search Southwest flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,573 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,582 reviews
Search United Airlines flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Rio Grande
Humacao
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to San Juan?

Finding the right flight to San Juan from Louisville is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Juan quick and easy, saving you time and money.

Can I find flights from Louisville to San Juan with flexible booking policies on momondo?

All flight searches from Louisville to San Juan on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Louisville to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Louisville to San Juan right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to San Juan flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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