Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to Puerto Rico from $113

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

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

American Airlines Logo
6:54 am - 3:45 pmSDF-SJU
7h 51m2 stops
American Airlines Logo
6:30 am - 2:29 pmSJU-SDF
8h 59m2 stops
$225American Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
5:02 pm - 11:54 pmSDF-SJU
6h 52m1 stop
American Airlines Logo
7:05 am - 5:53 pmSJU-SDF
10h 48m2 stops
$246American Airlines
Find Deal
Mon, Oct 13 - Tue, Oct 28
United Airlines Logo
8:29 am - 10:22 pmSDF-SJU
12h 53m2 stops
United Airlines Logo
8:10 am - 2:48 pmSJU-SDF
7h 38m1 stop
$250United Airlines
Find Deal
Mon, Jan 12 - Thu, Jan 15
Delta Logo
2:59 pm - 11:49 pmSDF-SJU
7h 50m1 stop
Delta Logo
6:15 am - 1:50 pmSJU-SDF
8h 35m1 stop
$265Delta
Find Deal
Mon, Feb 23 - Thu, Mar 5
United Airlines Logo
1:50 pm - 12:36 amSDF-SJU
9h 46m1 stop
United Airlines Logo
2:05 am - 1:28 pmSJU-SDF
12h 23m2 stops
$275United Airlines
Find Deal
Sat, Jan 24 - Fri, Jan 30
Delta Logo
6:00 am - 1:00 pmSDF-SJU
6h 00m1 stop
Delta Logo
6:17 pm - 11:56 pmSJU-SDF
6h 39m1 stop
$288Delta
Find Deal
Tue, Mar 3 - Wed, Mar 4
Spirit Airlines Logo
7:15 am - 2:12 pmSDF-SJU
6h 57m1 stop
Spirit Airlines Logo
3:19 pm - 10:47 pmSJU-SDF
7h 28m1 stop
$311Spirit Airlines
Find Deal
Fri, Oct 10 - Fri, Oct 17
Spirit Airlines Logo
6:00 am - 7:21 pmSDF-SJU
12h 21m1 stop
Spirit Airlines Logo
12:10 pm - 11:45 pmSJU-SDF
12h 35m1 stop
$347Spirit Airlines
Find Deal
Fri, Nov 14 - Wed, Nov 19
Southwest Logo
3:10 pm - 11:45 pmSDF-SJU
8h 35m1 stop
Southwest Logo
5:45 am - 12:50 pmSJU-SDF
7h 05m1 stop
$365Southwest
Find Deal
Sat, Oct 4 - Sat, Oct 11
Southwest Logo
5:35 am - 7:05 pmSDF-SJU
12h 30m2 stops
Southwest Logo
6:10 am - 4:50 pmSJU-SDF
11h 40m2 stops
$402Southwest
Find Deal
Tue, Feb 24 - Wed, Mar 4

American Airlines flights from Louisville to Puerto Rico

Our best American Airlines deals on Louisville to Puerto Rico flight tickets
American Airlines
Jan 27
SDF6:54 amLouisville Intl
7h 51m
2 stops
SJU3:45 pmSan Juan Luis Munoz Marin Intl
Feb 3
SJU6:30 amSan Juan Luis Munoz Marin Intl
8h 59m
2 stops
SDF2:29 pmLouisville Intl
$225
Find similar
American Airlines
Oct 13
SDF5:02 pmLouisville Intl
6h 52m
1 stop
SJU11:54 pmSan Juan Luis Munoz Marin Intl
Oct 28
SJU7:05 amSan Juan Luis Munoz Marin Intl
10h 48m
2 stops
SDF5:53 pmLouisville Intl
$246
Find similar
American Airlines
Nov 2
SDF5:59 amLouisville Intl
15h 53m
1 stop
SJU10:52 pmSan Juan Luis Munoz Marin Intl
Nov 8
SJU7:00 amSan Juan Luis Munoz Marin Intl
16h 02m
1 stop
SDF10:02 pmLouisville Intl
$267
Find similar

United Airlines flights from Louisville to Puerto Rico

Our best United Airlines deals on Louisville to Puerto Rico flight tickets
United Airlines
Jan 12
SDF8:29 amLouisville Intl
12h 53m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 15
SJU8:10 amSan Juan Luis Munoz Marin Intl
7h 38m
1 stop
SDF2:48 pmLouisville Intl
$250
Find similar
United Airlines
Jan 24
SDF1:50 pmLouisville Intl
9h 46m
1 stop
SJU12:36 amSan Juan Luis Munoz Marin Intl
Jan 30
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 23m
2 stops
SDF1:28 pmLouisville Intl
$275
Find similar
United Airlines
Sep 29
SDF6:15 amLouisville Intl
7h 30m
1 stop
SJU1:45 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU1:05 amSan Juan Luis Munoz Marin Intl
12h 16m
2 stops
SDF1:21 pmLouisville Intl
$305
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 September 15, 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 1/27

6:54 am-3:45 pm

2 stops7h 51m

San Juan Luis Munoz Marin Intl

Tue 2/3

6:30 am-2:29 pm

2 stops8h 59m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 10/13

5:02 pm-11:54 pm

1 stop6h 52m

San Juan Luis Munoz Marin Intl

Tue 10/28

7:05 am-5:53 pm

2 stops10h 48m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 1/12

8:29 am-10:22 pm

2 stops12h 53m

San Juan Luis Munoz Marin Intl

Thu 1/15

8:10 am-2:48 pm

1 stop7h 38m

$250

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 2/23

2:59 pm-11:49 pm

1 stop7h 50m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:15 am-1:50 pm

1 stop8h 35m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 1/24

1:50 pm-12:36 am

1 stop9h 46m

San Juan Luis Munoz Marin Intl

Fri 1/30

2:05 am-1:28 pm

2 stops12h 23m

$275

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/3

6:00 am-1:00 pm

1 stop6h 00m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:17 pm-11:56 pm

1 stop6h 39m

$288

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 10/10

7:15 am-2:12 pm

1 stop6h 57m

San Juan Luis Munoz Marin Intl

Fri 10/17

3:19 pm-10:47 pm

1 stop7h 28m

$311

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 11/14

6:00 am-7:21 pm

1 stop12h 21m

San Juan Luis Munoz Marin Intl

Wed 11/19

12:10 pm-11:45 pm

1 stop12h 35m

$347

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 10/4

3:10 pm-11:45 pm

1 stop8h 35m

San Juan Luis Munoz Marin Intl

Sat 10/11

5:45 am-12:50 pm

1 stop7h 05m

$365

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 2/24

5:35 am-7:05 pm

2 stops12h 30m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:10 am-4:50 pm

2 stops11h 40m

$402

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 $368.

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 $436 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 $302 on momondo.

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

You could potentially save up to 18% 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
8,016 reviews
Search Spirit Airlines flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
DeltaPriceFrom $225Free CancellationRating
7.9
7,956 reviews
Search Delta flights
American AirlinesPriceFrom $263Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
8,931 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
Wed 10/15
Wed 10/22
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 $119
Flights to Aguadillafrom $82
Flights to Mayagüezfrom $272