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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 3/2. 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
1:15 pm - 11:59 pmSDF-SJU
9h 44m2 stops
American Airlines Logo
3:59 pm - 10:02 amSJU-SDF
19h 03m1 stop
$225American Airlines
Find Deal
dom., feb. 1 - mié., feb. 4
United Airlines Logo
9:31 am - 9:26 pmSDF-SJU
10h 55m1 stop
United Airlines Logo
2:10 pm - 11:32 pmSJU-SDF
10h 22m1 stop
$250United Airlines
Find Deal
mar., dic. 9 - mar., dic. 16
American Airlines Logo
10:51 am - 11:52 pmSDF-SJU
12h 01m1 stop
American Airlines Logo
6:25 am - 9:42 pmSJU-SDF
16h 17m1 stop
$265American Airlines
Find Deal
mié., nov. 26 - mié., dic. 3
Spirit Airlines Logo
11:55 am - 12:45 amSDF-SJU
11h 50m1 stop
Spirit Airlines Logo
4:10 am - 11:00 amSJU-SDF
7h 50m1 stop
$276Spirit Airlines
Find Deal
lun., dic. 8 - jue., dic. 11
Multiple Airlines Logo
1:19 pm - 2:50 amSDF-SJU
12h 31m1 stop
Multiple Airlines Logo
3:55 am - 12:21 pmSJU-SDF
9h 26m1 stop
$324Multiple Airlines
Find Deal
lun., feb. 23 - mar., feb. 24
Multiple Airlines Logo
11:21 am - 11:25 pmSDF-SJU
35h 04m2 stops
Multiple Airlines Logo
7:35 am - 11:59 pmSJU-SDF
17h 24m1 stop
$327Multiple Airlines
Find Deal
lun., dic. 15 - dom., dic. 21
Spirit Airlines Logo
11:55 am - 12:32 pmSDF-SJU
23h 37m1 stop
Spirit Airlines Logo
4:10 am - 11:00 amSJU-SDF
7h 50m1 stop
$350Spirit Airlines
Find Deal
dom., dic. 7 - sáb., dic. 13
Delta Logo
4:10 pm - 10:54 pmSDF-SJU
6h 44m1 stop
Delta Logo
6:15 am - 12:36 pmSJU-SDF
6h 21m1 stop
$353Delta
Find Deal
jue., abr. 30 - dom., may. 3
Southwest Logo
12:50 pm - 12:35 amSDF-SJU
10h 45m2 stops
Southwest Logo
5:30 am - 5:55 pmSJU-SDF
12h 25m1 stop
$355Southwest
Find Deal
mié., mar. 4 - dom., mar. 8
Southwest Logo
12:55 pm - 9:30 pmSDF-SJU
7h 35m1 stop
Southwest Logo
4:30 pm - 10:50 pmSJU-SDF
7h 20m1 stop
$390Southwest
Find Deal
mié., dic. 17 - mié., dic. 24

American Airlines flights from Louisville to Puerto Rico

Our best American Airlines deals on Louisville to Puerto Rico flight tickets
American Airlines
Feb 1
SDF1:15 pmLouisville Intl
9h 44m
2 stops
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Feb 4
SJU3:59 pmSan Juan Luis Munoz Marin Intl
19h 03m
1 stop
SDF10:02 amLouisville Intl
$225
Find similar
American Airlines
Nov 26
SDF10:51 amLouisville Intl
12h 01m
1 stop
SJU11:52 pmSan Juan Luis Munoz Marin Intl
Dec 3
SJU6:25 amSan Juan Luis Munoz Marin Intl
16h 17m
1 stop
SDF9:42 pmLouisville Intl
$265
Find similar
American Airlines
Dec 7
SDF6:00 amLouisville Intl
8h 40m
1 stop
SJU3:40 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU6:25 amSan Juan Luis Munoz Marin Intl
9h 34m
2 stops
SDF2:59 pmLouisville Intl
$285
Find similar

United Airlines flights from Louisville to Puerto Rico

Our best United Airlines deals on Louisville to Puerto Rico flight tickets
United Airlines
Dec 9
SDF9:31 amLouisville Intl
10h 55m
1 stop
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Dec 16
SJU2:10 pmSan Juan Luis Munoz Marin Intl
10h 22m
1 stop
SDF11:32 pmLouisville Intl
$250
Find similar
United Airlines
Mar 3
SDF2:35 pmLouisville Intl
6h 47m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Mar 5
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 03m
2 stops
SDF1:08 pmLouisville Intl
$308
Find similar
United Airlines
Mar 3
SDF9:00 amLouisville Intl
14h 36m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Mar 4
SJU8:10 amSan Juan Luis Munoz Marin Intl
7h 37m
1 stop
SDF2:47 pmLouisville Intl
$310
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 noviembre 10, 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

dom. 2/1

1:15 pm-11:59 pm

2 stops9h 44m

San Juan Luis Munoz Marin Intl

mié. 2/4

3:59 pm-10:02 am

1 stop19h 03m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mar. 12/9

9:31 am-9:26 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

mar. 12/16

2:10 pm-11:32 pm

1 stop10h 22m

$250

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 11/26

10:51 am-11:52 pm

1 stop12h 01m

San Juan Luis Munoz Marin Intl

mié. 12/3

6:25 am-9:42 pm

1 stop16h 17m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 12/8

11:55 am-12:45 am

1 stop11h 50m

San Juan Luis Munoz Marin Intl

jue. 12/11

4:10 am-11:00 am

1 stop7h 50m

$276

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 2/23

1:19 pm-2:50 am

1 stop12h 31m

San Juan Luis Munoz Marin Intl

mar. 2/24

3:55 am-12:21 pm

1 stop9h 26m

$324

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 12/15

11:21 am-11:25 pm

2 stops35h 04m

San Juan Luis Munoz Marin Intl

dom. 12/21

7:35 am-11:59 pm

1 stop17h 24m

$327

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dom. 12/7

11:55 am-12:32 pm

1 stop23h 37m

San Juan Luis Munoz Marin Intl

sáb. 12/13

4:10 am-11:00 am

1 stop7h 50m

$350

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

jue. 4/30

4:10 pm-10:54 pm

1 stop6h 44m

San Juan Luis Munoz Marin Intl

dom. 5/3

6:15 am-12:36 pm

1 stop6h 21m

$353

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 3/4

12:50 pm-12:35 am

2 stops10h 45m

San Juan Luis Munoz Marin Intl

dom. 3/8

5:30 am-5:55 pm

1 stop12h 25m

$355

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 12/17

12:55 pm-9:30 pm

1 stop7h 35m

San Juan Luis Munoz Marin Intl

mié. 12/24

4:30 pm-10:50 pm

1 stop7h 20m

$390

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 $315.

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 $433 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 $367 on momondo.

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

You could potentially save up to 7% 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
8,136 reviews
Search Spirit Airlines flights
DeltaPriceFrom $223Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $257Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,012 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
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1 adult
mié. 12/10
mié. 12/17
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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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