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Cheap flights from Louisville to Puerto Rico from $110

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 5/10. 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 Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 4:33 pm
SDF
-
SJU
10h 33m
1 stop
Delta Logo
5:43 pm - 12:25 am
SJU
-
SDF
6h 42m
1 stop
$279Delta
Tue, May 19 - Thu, May 28
American Airlines Logo
6:00 am - 3:20 pm
SDF
-
SJU
9h 20m
2 stops
American Airlines Logo
11:43 am - 11:59 pm
SJU
-
SDF
12h 16m
1 stop
$308American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
6:19 am - 10:56 pm
SDF
-
SJU
16h 37m
1 stop
American Airlines Logo
6:25 am - 9:39 pm
SJU
-
SDF
16h 14m
1 stop
$316American Airlines
Mon, Aug 10 - Sat, Nov 21
Multiple Airlines Logo
7:48 pm - 7:22 pm
SDF
-
SJU
23h 34m
1 stop
Multiple Airlines Logo
12:57 pm - 6:58 pm
SJU
-
SDF
30h 01m
1 stop
$328Multiple Airlines
Fri, May 1 - Thu, May 7
Multiple Airlines Logo
9:10 pm - 3:55 pm
SDF
-
SJU
18h 45m
1 stop
Multiple Airlines Logo
8:33 am - 9:55 am
SJU
-
SDF
25h 22m
1 stop
$330Multiple Airlines
Mon, May 25 - Sun, May 31
Multiple Airlines Logo
7:48 pm - 7:22 pm
SDF
-
SJU
23h 34m
1 stop
Multiple Airlines Logo
5:15 pm - 8:36 am
SJU
-
SDF
15h 21m
2 stops
$332Multiple Airlines
Fri, May 1 - Tue, May 5
Spirit Airlines Logo
3:33 pm - 6:55 pm
SDF
-
SJU
27h 22m
1 stop
Spirit Airlines Logo
12:57 pm - 5:04 pm
SJU
-
SDF
28h 07m
1 stop
$349Spirit Airlines
Thu, Apr 9 - Thu, Apr 16
Delta Logo
4:37 pm - 11:13 pm
SDF
-
SJU
6h 36m
1 stop
Delta Logo
5:34 pm - 11:59 pm
SJU
-
SDF
6h 25m
1 stop
$356Delta
Thu, Apr 30 - Sun, May 3
United Airlines Logo
5:50 am - 4:13 pm
SDF
-
CPX
10h 23m
2 stops
United Airlines Logo
10:30 am - 10:22 pm
CPX
-
SDF
11h 52m
2 stops
$1,727United Airlines
Sun, May 3 - Thu, May 7
United Airlines Logo
5:50 am - 4:13 pm
SDF
-
CPX
10h 23m
2 stops
United Airlines Logo
10:30 am - 10:22 pm
CPX
-
SDF
11h 52m
2 stops
$1,896United Airlines
Sun, May 3 - Thu, May 7

Delta flights from Louisville to Puerto Rico

Our best Delta deals on Louisville to Puerto Rico flight tickets
Delta
May 19
SDF6:00 amLouisville Intl
10h 33m
1 stop
SJU4:33 pmSan Juan Luis Munoz Marin Intl
May 28
SJU5:43 pmSan Juan Luis Munoz Marin Intl
6h 42m
1 stop
SDF12:25 amLouisville Intl
$279
Delta
Apr 30
SDF4:37 pmLouisville Intl
6h 36m
1 stop
SJU11:13 pmSan Juan Luis Munoz Marin Intl
May 3
SJU5:34 pmSan Juan Luis Munoz Marin Intl
6h 25m
1 stop
SDF11:59 pmLouisville Intl
$356
Delta
Mar 31
SDF6:00 amLouisville Intl
10h 18m
1 stop
SJU4:18 pmSan Juan Luis Munoz Marin Intl
Apr 3
SJU7:30 amSan Juan Luis Munoz Marin Intl
6h 30m
1 stop
SDF2:00 pmLouisville Intl
$396

Spirit Airlines flights from Louisville to Puerto Rico

Our best Spirit Airlines deals on Louisville to Puerto Rico flight tickets
Spirit Airlines
Apr 9
SDF3:33 pmLouisville Intl
27h 22m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
Apr 16
SJU12:57 pmSan Juan Luis Munoz Marin Intl
28h 07m
1 stop
SDF5:04 pmLouisville Intl
$349
Spirit Airlines
Apr 30
SDF6:06 pmLouisville Intl
25h 16m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
May 3
SJU12:57 pmSan Juan Luis Munoz Marin Intl
28h 07m
1 stop
SDF5:04 pmLouisville Intl
$369
Spirit Airlines
Apr 1
SDF12:09 pmLouisville Intl
9h 50m
1 stop
SJU9:59 pmSan Juan Luis Munoz Marin Intl
Apr 4
SJU11:03 amSan Juan Luis Munoz Marin Intl
27h 30m
3 stops
SDF2:33 pmLouisville Intl
$393

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 March 24, 2026.
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

Cheapest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 5/19

6:00 am-4:33 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Thu 5/28

5:43 pm-12:25 am

1 stop6h 42m

$279

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 4/14

6:00 am-3:20 pm

2 stops9h 20m

San Juan Luis Munoz Marin Intl

Tue 4/21

11:43 am-11:59 pm

1 stop12h 16m

$308

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 8/10

6:19 am-10:56 pm

1 stop16h 37m

San Juan Luis Munoz Marin Intl

Sat 11/21

6:25 am-9:39 pm

1 stop16h 14m

$316

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/1

7:48 pm-7:22 pm

1 stop23h 34m

San Juan Luis Munoz Marin Intl

Thu 5/7

12:57 pm-6:58 pm

1 stop30h 01m

$328

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 5/25

9:10 pm-3:55 pm

1 stop18h 45m

San Juan Luis Munoz Marin Intl

Sun 5/31

8:33 am-9:55 am

1 stop25h 22m

$330

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/1

7:48 pm-7:22 pm

1 stop23h 34m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:15 pm-8:36 am

2 stops15h 21m

$332

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/9

3:33 pm-6:55 pm

1 stop27h 22m

San Juan Luis Munoz Marin Intl

Thu 4/16

12:57 pm-5:04 pm

1 stop28h 07m

$349
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

4:37 pm-11:13 pm

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Sun 5/3

5:34 pm-11:59 pm

1 stop6h 25m

$356

LouisvilleCulebra

SDF - CPX

SDFCPX

Louisville Intl

Sun 5/3

5:50 am-4:13 pm

2 stops10h 23m

Culebra

Thu 5/7

10:30 am-10:22 pm

2 stops11h 52m

$1,727

LouisvilleCulebra

SDF - CPX

SDFCPX

Louisville Intl

Sun 5/3

5:50 am-4:13 pm

2 stops10h 23m

Culebra

Thu 5/7

10:30 am-10:22 pm

2 stops11h 52m

$1,896

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 October, then you should wait until September to fly from Louisville, when ticket prices are also cheap, with an average price of $345.

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 $418 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 $365 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

Fastest flight time

5h 45m

Direct flights

None
The fastest flight from Louisville to Puerto Rico takes 5h 45m
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
DeltaPriceFrom $205Free CancellationRating
7.9
8,320 reviews
Search Delta flights
Spirit AirlinesPriceFrom $209Free CancellationRating
6.3
8,536 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,491 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,469 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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