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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 9/13. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:25 am - 3:42 pm
SDF
-
SJU
8h 17m
1 stop
United Airlines Logo
3:56 pm - 11:59 pm
SJU
-
SDF
8h 03m
1 stop
$220United Airlines
Sun, Aug 30 - Wed, Sep 2
United Airlines Logo
7:10 am - 8:38 pm
SDF
-
SJU
13h 28m
2 stops
United Airlines Logo
2:20 pm - 10:15 pm
SJU
-
SDF
7h 55m
1 stop
$223United Airlines
Sat, Aug 29 - Mon, Aug 31
Delta Logo
1:17 pm - 10:29 pm
SDF
-
SJU
9h 12m
1 stop
Delta Logo
12:56 pm - 9:33 pm
SJU
-
SDF
8h 37m
1 stop
$226Delta
Wed, Aug 12 - Wed, Aug 19
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
2:58 pm - 11:22 pm
SJU
-
SDF
8h 24m
2 stops
$268American Airlines
Fri, Sep 25 - Wed, Sep 30
United Airlines Logo
7:10 am - 2:44 pm
SDF
-
SJU
7h 34m
1 stop
United Airlines Logo
2:20 pm - 10:15 pm
SJU
-
SDF
7h 55m
1 stop
$271United Airlines
Tue, Sep 8 - Sun, Sep 13
Southwest Logo
3:40 pm - 11:50 pm
SDF
-
SJU
8h 10m
2 stops
Southwest Logo
5:20 pm - 12:40 am
SJU
-
SDF
7h 20m
1 stop
$273Southwest
Sat, Oct 3 - Thu, Oct 8
Multiple Airlines Logo
9:10 pm - 4:11 pm
SDF
-
SJU
19h 01m
1 stop
Multiple Airlines Logo
6:45 am - 9:49 am
SJU
-
SDF
27h 04m
1 stop
$280Multiple Airlines
Fri, Aug 14 - Thu, Aug 20
American Airlines Logo
7:31 am - 12:15 am
SDF
-
SJU
16h 44m
2 stops
American Airlines Logo
7:30 am - 11:11 pm
SJU
-
SDF
15h 41m
1 stop
$285American Airlines
Sun, Aug 16 - Mon, Aug 17
Multiple Airlines Logo
2:56 pm - 12:41 am
SDF
-
SJU
33h 45m
2 stops
Multiple Airlines Logo
5:37 pm - 10:32 am
SJU
-
SDF
16h 55m
1 stop
$289Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
American Airlines Logo
8:16 am - 11:43 pm
SDF
-
SJU
15h 27m
1 stop
American Airlines Logo
12:55 am - 10:35 am
SJU
-
SDF
9h 40m
1 stop
$290American Airlines
Sat, Aug 15 - Thu, Aug 20

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American Airlines flights from Louisville to Puerto Rico

Our best American Airlines deals on Louisville to Puerto Rico flight tickets
American Airlines
Sep 25
SDF7:27 pmLouisville Intl
15h 33m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 30
SJU2:22 pmSan Juan Luis Munoz Marin Intl
8h 33m
1 stop
SDF10:55 pmLouisville Intl
$268
American Airlines
Aug 16
SDF7:31 amLouisville Intl
16h 44m
2 stops
SJU12:15 amSan Juan Luis Munoz Marin Intl
Aug 17
SJU7:30 amSan Juan Luis Munoz Marin Intl
15h 41m
1 stop
SDF11:11 pmLouisville Intl
$285
American Airlines
Aug 15
SDF12:32 pmLouisville Intl
21h 11m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 20
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 01m
1 stop
SDF9:31 pmLouisville Intl
$290

Delta flights from Louisville to Puerto Rico

Our best Delta deals on Louisville to Puerto Rico flight tickets
Delta
Aug 12
SDF1:17 pmLouisville Intl
9h 12m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Aug 19
SJU12:56 pmSan Juan Luis Munoz Marin Intl
8h 37m
1 stop
SDF9:33 pmLouisville Intl
$226
Delta
Aug 12
SDF6:00 amLouisville Intl
5h 46m
1 stop
SJU11:46 amSan Juan Luis Munoz Marin Intl
Aug 19
SJU7:00 amSan Juan Luis Munoz Marin Intl
10h 00m
1 stop
SDF5:00 pmLouisville Intl
$316
Delta
Nov 9
SDF6:00 amLouisville Intl
5h 45m
1 stop
SJU12:45 pmSan Juan Luis Munoz Marin Intl
Nov 16
SJU1:55 pmSan Juan Luis Munoz Marin Intl
9h 40m
1 stop
SDF10:35 pmLouisville Intl
$321

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 June 25, 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

Sun 8/30

7:25 am-3:42 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

Wed 9/2

3:56 pm-11:59 pm

1 stop8h 03m

$220

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 8/29

7:10 am-8:38 pm

2 stops13h 28m

San Juan Luis Munoz Marin Intl

Mon 8/31

2:20 pm-10:15 pm

1 stop7h 55m

$223

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 8/12

1:17 pm-10:29 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

Wed 8/19

12:56 pm-9:33 pm

1 stop8h 37m

$226

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 9/25

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

Wed 9/30

2:58 pm-11:22 pm

2 stops8h 24m

$268
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 9/8

7:10 am-2:44 pm

1 stop7h 34m

San Juan Luis Munoz Marin Intl

Sun 9/13

2:20 pm-10:15 pm

1 stop7h 55m

$271

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 10/3

3:40 pm-11:50 pm

2 stops8h 10m

San Juan Luis Munoz Marin Intl

Thu 10/8

5:20 pm-12:40 am

1 stop7h 20m

$273

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 8/14

9:10 pm-4:11 pm

1 stop19h 01m

San Juan Luis Munoz Marin Intl

Thu 8/20

6:45 am-9:49 am

1 stop27h 04m

$280

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 8/16

7:31 am-12:15 am

2 stops16h 44m

San Juan Luis Munoz Marin Intl

Mon 8/17

7:30 am-11:11 pm

1 stop15h 41m

$285

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 8/12

2:56 pm-12:41 am

2 stops33h 45m

San Juan Luis Munoz Marin Intl

Wed 8/19

5:37 pm-10:32 am

1 stop16h 55m

$289

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 8/15

8:16 am-11:43 pm

1 stop15h 27m

San Juan Luis Munoz Marin Intl

Thu 8/20

12:55 am-10:35 am

1 stop9h 40m

$290

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 November, then you should wait until January to fly from Louisville, when ticket prices are also cheap, with an average price of $113.

How far in advance should I book a flight from Louisville 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 $426 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 $387 on momondo.

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

You could potentially save up to 28% 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

Frequently asked questions about flying from Louisville to Puerto Rico

  • 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
7.8
8,440 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,755 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,886 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

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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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