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Cheap flights from Louisville to Puerto Rico from $153

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 Puerto Rico departing on 10/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:00 am - 6:22 pmSDF-SJU
10h 22m2 stops
American Airlines Logo
7:00 am - 9:16 pmSJU-SDF
15h 16m1 stop
$225American Airlines
Find Deal
Tue, Jan 20 - Tue, Jan 27
American Airlines Logo
11:08 am - 9:00 pmSDF-SJU
8h 52m2 stops
American Airlines Logo
10:26 am - 12:29 amSJU-SDF
15h 03m1 stop
$265American Airlines
Find Deal
Tue, Feb 24 - Wed, Mar 4
American Airlines Logo
8:02 am - 11:30 pmSDF-SJU
14h 28m1 stop
American Airlines Logo
6:40 am - 5:51 pmSJU-SDF
12h 11m1 stop
$280American Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
United Airlines Logo
7:00 am - 9:26 pmSDF-SJU
13h 26m2 stops
United Airlines Logo
8:30 am - 5:16 pmSJU-SDF
9h 46m2 stops
$315United Airlines
Find Deal
Sat, Nov 8 - Sat, Nov 15
United Airlines Logo
11:00 am - 9:22 pmSDF-SJU
10h 22m2 stops
United Airlines Logo
1:05 am - 1:17 pmSJU-SDF
12h 12m2 stops
$355United Airlines
Find Deal
Tue, Oct 28 - Fri, Oct 31
Multiple Airlines Logo
8:31 pm - 11:44 pmSDF-SJU
26h 13m1 stop
Multiple Airlines Logo
5:19 pm - 5:53 pmSJU-SDF
25h 34m1 stop
$387Multiple Airlines
Find Deal
Sun, Nov 23 - Mon, Dec 1
Multiple Airlines Logo
10:55 am - 11:49 pmSDF-SJU
11h 54m1 stop
Multiple Airlines Logo
3:55 am - 11:45 pmSJU-SDF
20h 50m1 stop
$396Multiple Airlines
Find Deal
Thu, Jan 8 - Sat, Jan 10
Southwest Logo
11:45 am - 9:30 pmSDF-SJU
8h 45m2 stops
Southwest Logo
6:40 am - 4:35 pmSJU-SDF
10h 55m2 stops
$430Southwest
Find Deal
Mon, Dec 15 - Wed, Dec 24
Southwest Logo
5:30 am - 4:40 pmSDF-SJU
10h 10m1 stop
Southwest Logo
5:00 am - 12:15 pmSJU-SDF
7h 15m1 stop
$443Southwest
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Sat, Mar 7 - Sun, Mar 15
Spirit Airlines Logo
10:55 am - 10:59 pmSDF-SJU
11h 04m1 stop
Spirit Airlines Logo
6:00 am - 11:45 pmSJU-SDF
18h 45m2 stops
$457Spirit Airlines
Find Deal
Fri, Feb 20 - Sat, Feb 28

American Airlines flights from Louisville to Puerto Rico

Our best American Airlines deals on Louisville to Puerto Rico flight tickets
American Airlines
Jan 20
SDF7:00 amLouisville Intl
10h 22m
2 stops
SJU6:22 pmSan Juan Luis Munoz Marin Intl
Jan 27
SJU7:00 amSan Juan Luis Munoz Marin Intl
15h 16m
1 stop
SDF9:16 pmLouisville Intl
$225
Find similar
American Airlines
Feb 24
SDF11:08 amLouisville Intl
8h 52m
2 stops
SJU9:00 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU10:26 amSan Juan Luis Munoz Marin Intl
15h 03m
1 stop
SDF12:29 amLouisville Intl
$265
Find similar
American Airlines
Mar 3
SDF8:02 amLouisville Intl
14h 28m
1 stop
SJU11:30 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU6:40 amSan Juan Luis Munoz Marin Intl
12h 11m
1 stop
SDF5:51 pmLouisville Intl
$280
Find similar

United Airlines flights from Louisville to Puerto Rico

Our best United Airlines deals on Louisville to Puerto Rico flight tickets
United Airlines
Nov 8
SDF7:00 amLouisville Intl
13h 26m
2 stops
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Nov 15
SJU8:30 amSan Juan Luis Munoz Marin Intl
9h 46m
2 stops
SDF5:16 pmLouisville Intl
$315
Find similar
United Airlines
Oct 28
SDF11:00 amLouisville Intl
10h 22m
2 stops
SJU9:22 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU1:05 amSan Juan Luis Munoz Marin Intl
12h 12m
2 stops
SDF1:17 pmLouisville Intl
$355
Find similar
United Airlines
Jan 25
SDF6:28 amLouisville Intl
7h 12m
1 stop
SJU2:40 pmSan Juan Luis Munoz Marin Intl
Jan 28
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 23m
2 stops
SDF1:28 pmLouisville Intl
$375
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to Puerto Rico 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 October 14, 2025.
Use the filters below to find and compare flights from Louisville to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 1/20

7:00 am-6:22 pm

2 stops10h 22m

San Juan Luis Munoz Marin Intl

Tue 1/27

7:00 am-9:16 pm

1 stop15h 16m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 2/24

11:08 am-9:00 pm

2 stops8h 52m

San Juan Luis Munoz Marin Intl

Wed 3/4

10:26 am-12:29 am

1 stop15h 03m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/3

8:02 am-11:30 pm

1 stop14h 28m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:40 am-5:51 pm

1 stop12h 11m

$280

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 11/8

7:00 am-9:26 pm

2 stops13h 26m

San Juan Luis Munoz Marin Intl

Sat 11/15

8:30 am-5:16 pm

2 stops9h 46m

$315

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 10/28

11:00 am-9:22 pm

2 stops10h 22m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:05 am-1:17 pm

2 stops12h 12m

$355

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 11/23

8:31 pm-11:44 pm

1 stop26h 13m

San Juan Luis Munoz Marin Intl

Mon 12/1

5:19 pm-5:53 pm

1 stop25h 34m

$387

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 1/8

10:55 am-11:49 pm

1 stop11h 54m

San Juan Luis Munoz Marin Intl

Sat 1/10

3:55 am-11:45 pm

1 stop20h 50m

$396

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 12/15

11:45 am-9:30 pm

2 stops8h 45m

San Juan Luis Munoz Marin Intl

Wed 12/24

6:40 am-4:35 pm

2 stops10h 55m

$430

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 3/7

5:30 am-4:40 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Sun 3/15

5:00 am-12:15 pm

1 stop7h 15m

$443

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 2/20

10:55 am-10:59 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-11:45 pm

2 stops18h 45m

$457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from Louisville to Puerto Rico

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 cheapest month to fly to Puerto Rico?

If you don’t want to visit Puerto Rico in September, then you should wait until October to fly from Louisville, when ticket prices are also cheap, with an average price of $344.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from Louisville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $372. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $459.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is in the evening. Flights from Louisville to Puerto Rico during this time can be as low as $339. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $441.

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $427 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from Louisville for as low as $383 on momondo.

Can stopping save me money on Louisville to Puerto Rico flights?

You could potentially save up to 40% on your flight if you consider stops on a Louisville to Puerto Rico flight.

Cheap Louisville to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Puerto Rico

Direct flights

None
There are no direct flights from Louisville to Puerto Rico. There are no popular flight routes from Louisville to Puerto Rico.
Search flight deals

  • When did momondo last update prices for flights from Louisville Intl Airport to Puerto Rico?

    Prices for flights from Louisville Intl Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to Puerto Rico?

  • How old do you have to be to fly from Louisville Intl Airport to Puerto Rico?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Puerto Rico

Compare and see reviews for airlines that fly from Louisville to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,096 reviews
Search Spirit Airlines flights
DeltaPriceFrom $225Free CancellationRating
7.9
7,975 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,976 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Puerto Rico?

Finding the right flight to Puerto Rico 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 Puerto Rico quick and easy, saving you time and money.

Can I find flights from Louisville to Puerto Rico with flexible booking policies on momondo?

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

How can momondo help me find flights from Louisville to Puerto Rico?

momondo provides multiple filters to help you find the best flight to Puerto Rico 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 Puerto Rico right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Puerto Rico from Louisville. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Puerto Rico trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Puerto Rico

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Popular flights according to clicks in the last 7 days on momondo
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