Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to Puerto Rico from $101

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 4/11. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Louisville to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:52 pm - 10:48 am
SDF
-
SJU
14h 56m
1 stop
American Airlines Logo
10:01 am - 11:59 pm
SJU
-
SDF
13h 58m
1 stop
$256American Airlines
Thu, Apr 30 - Sat, May 2
American Airlines Logo
7:52 pm - 10:48 am
SDF
-
SJU
14h 56m
1 stop
American Airlines Logo
7:25 am - 11:30 pm
SJU
-
SDF
16h 05m
1 stop
$269American Airlines
Thu, Apr 9 - Tue, Apr 14
Delta Logo
8:05 am - 4:18 pm
SDF
-
SJU
8h 13m
1 stop
Delta Logo
2:45 pm - 11:59 pm
SJU
-
SDF
9h 14m
1 stop
$281Delta
Tue, Mar 24 - Thu, Apr 16
American Airlines Logo
6:07 am - 5:11 pm
SDF
-
SJU
11h 04m
1 stop
American Airlines Logo
6:00 am - 11:59 pm
SJU
-
SDF
17h 59m
1 stop
$296American Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
3:33 pm - 12:47 am
SDF
-
SJU
9h 14m
1 stop
Multiple Airlines Logo
9:16 pm - 11:30 am
SJU
-
SDF
38h 14m
2 stops
$313Multiple Airlines
Thu, May 28 - Mon, Jun 1
Multiple Airlines Logo
3:33 pm - 12:47 am
SDF
-
SJU
9h 14m
1 stop
Multiple Airlines Logo
5:56 pm - 2:27 pm
SJU
-
SDF
20h 31m
1 stop
$321Multiple Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
7:20 am - 8:38 pm
SDF
-
SJU
13h 18m
2 stops
United Airlines Logo
3:56 pm - 11:56 pm
SJU
-
SDF
8h 00m
1 stop
$322United Airlines
Tue, Apr 7 - Wed, Apr 15
Spirit Airlines Logo
12:09 pm - 9:59 pm
SDF
-
SJU
9h 50m
1 stop
Spirit Airlines Logo
7:54 pm - 2:33 pm
SJU
-
SDF
18h 39m
1 stop
$328Spirit Airlines
Wed, Mar 18 - Wed, Mar 25
Delta Logo
5:35 pm - 11:15 pm
SDF
-
SJU
5h 40m
1 stop
Delta Logo
6:15 am - 2:00 pm
SJU
-
SDF
7h 45m
1 stop
$336Delta
Mon, Mar 9 - Wed, Mar 18
United Airlines Logo
6:00 am - 4:13 pm
SDF
-
CPX
34h 13m
2 stops
United Airlines Logo
10:30 am - 11:59 pm
CPX
-
SDF
13h 29m
2 stops
$1,096United Airlines
Sun, Apr 19 - Thu, Apr 23

Spirit Airlines flights from Louisville to Puerto Rico

Our best Spirit Airlines deals on Louisville to Puerto Rico flight tickets
Spirit Airlines
Mar 18
SDF12:09 pmLouisville Intl
9h 50m
1 stop
SJU9:59 pmSan Juan Luis Munoz Marin Intl
Mar 25
SJU7:54 pmSan Juan Luis Munoz Marin Intl
18h 39m
1 stop
SDF2:33 pmLouisville Intl
$328
Spirit Airlines
Mar 31
SDF12:42 pmLouisville Intl
6h 13m
1 stop
SJU6:55 pmSan Juan Luis Munoz Marin Intl
Apr 2
SJU1:45 amSan Juan Luis Munoz Marin Intl
9h 29m
1 stop
SDF11:14 amLouisville Intl
$348
Spirit Airlines
Mar 9
SDF1:19 pmLouisville Intl
8h 50m
1 stop
SJU10:09 pmSan Juan Luis Munoz Marin Intl
Mar 12
SJU1:45 amSan Juan Luis Munoz Marin Intl
9h 29m
1 stop
SDF11:14 amLouisville Intl
$363

United Airlines flights from Louisville to Puerto Rico

Our best United Airlines deals on Louisville to Puerto Rico flight tickets
United Airlines
Apr 7
SDF7:20 amLouisville Intl
13h 18m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 15
SJU3:56 pmSan Juan Luis Munoz Marin Intl
8h 00m
1 stop
SDF11:56 pmLouisville Intl
$322
United Airlines
Apr 7
SDF1:55 pmLouisville Intl
9h 55m
2 stops
SJU11:50 pmSan Juan Luis Munoz Marin Intl
Apr 14
SJU1:00 amSan Juan Luis Munoz Marin Intl
12h 17m
2 stops
SDF1:17 pmLouisville Intl
$351
United Airlines
Mar 24
SDF9:00 amLouisville Intl
14h 36m
2 stops
SJU11:36 pmSan Juan Luis Munoz Marin Intl
Apr 15
SJU1:25 pmSan Juan Luis Munoz Marin Intl
9h 47m
1 stop
SDF11:12 pmLouisville Intl
$386

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 February 27, 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

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/30

7:52 pm-10:48 am

1 stop14h 56m

San Juan Luis Munoz Marin Intl

Sat 5/2

10:01 am-11:59 pm

1 stop13h 58m

$256

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 4/9

7:52 pm-10:48 am

1 stop14h 56m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:25 am-11:30 pm

1 stop16h 05m

$269

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/24

8:05 am-4:18 pm

1 stop8h 13m

San Juan Luis Munoz Marin Intl

Thu 4/16

2:45 pm-11:59 pm

1 stop9h 14m

$281

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/24

6:07 am-5:11 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Tue 3/31

6:00 am-11:59 pm

1 stop17h 59m

$296

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 5/28

3:33 pm-12:47 am

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Mon 6/1

9:16 pm-11:30 am

2 stops38h 14m

$313

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 5/28

3:33 pm-12:47 am

1 stop9h 14m

San Juan Luis Munoz Marin Intl

Mon 6/1

5:56 pm-2:27 pm

1 stop20h 31m

$321

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 4/7

7:20 am-8:38 pm

2 stops13h 18m

San Juan Luis Munoz Marin Intl

Wed 4/15

3:56 pm-11:56 pm

1 stop8h 00m

$322

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 3/18

12:09 pm-9:59 pm

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Wed 3/25

7:54 pm-2:33 pm

1 stop18h 39m

$328

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 3/9

5:35 pm-11:15 pm

1 stop5h 40m

San Juan Luis Munoz Marin Intl

Wed 3/18

6:15 am-2:00 pm

1 stop7h 45m

$336

LouisvilleCulebra

SDF - CPX

SDFCPX

Louisville Intl

Sun 4/19

6:00 am-4:13 pm

2 stops34h 13m

Culebra

Thu 4/23

10:30 am-11:59 pm

2 stops13h 29m

$1,096

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $323.

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 $423 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 $344 on momondo.

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

You could potentially save up to 34% 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 40m

Direct flights

None
The fastest flight from Louisville to Puerto Rico takes 5h 40m
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 $189Free CancellationRating
6.3
8,493 reviews
Search Spirit Airlines flights
DeltaPriceFrom $205Free CancellationRating
7.9
8,242 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,301 reviews
Search Southwest flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,357 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,349 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 3/29
Sun 4/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Popular cities in Puerto Rico

Popular flights according to clicks in the last 7 days on momondo
Flights to San Juanfrom $61
Flights to Aguadillafrom $167
Flights to Mayagüezfrom $319