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Cheap flights from Louisville to Puerto Rico from $168

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 9/8. 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.
Multiple Airlines Logo
9:09 pm - 11:58 pm
SDF
-
SJU
26h 49m
1 stop
Multiple Airlines Logo
7:00 am - 10:35 am
SJU
-
SDF
27h 35m
1 stop
$230Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
9:09 pm - 11:58 pm
SDF
-
SJU
26h 49m
1 stop
Multiple Airlines Logo
7:00 am - 8:29 pm
SJU
-
SDF
13h 29m
2 stops
$258Multiple Airlines
Thu, Sep 10 - Thu, Sep 17
American Airlines Logo
7:27 pm - 1:57 pm
SDF
-
SJU
18h 30m
2 stops
American Airlines Logo
6:00 am - 7:10 pm
SJU
-
SDF
13h 10m
2 stops
$336American Airlines
Mon, Sep 28 - Wed, Sep 30
American Airlines Logo
12:32 pm - 10:24 pm
SDF
-
SJU
9h 52m
1 stop
American Airlines Logo
5:10 pm - 11:51 pm
SJU
-
SDF
6h 41m
1 stop
$336American Airlines
Fri, Aug 28 - Mon, Aug 31
Southwest Logo
6:55 pm - 1:20 am
SDF
-
SJU
6h 25m
1 stop
Southwest Logo
5:40 am - 2:20 pm
SJU
-
SDF
9h 40m
1 stop
$336Southwest
Fri, Oct 30 - Tue, Nov 3
Southwest Logo
6:00 pm - 11:55 pm
SDF
-
SJU
5h 55m
1 stop
Southwest Logo
10:10 am - 5:00 pm
SJU
-
SDF
6h 50m
1 stop
$336Southwest
Mon, Sep 28 - Thu, Oct 1
Delta Logo
8:09 am - 4:49 pm
SDF
-
SJU
8h 40m
1 stop
Delta Logo
2:59 pm - 11:59 pm
SJU
-
SDF
9h 00m
1 stop
$336Delta
Thu, Sep 17 - Sun, Sep 20
Delta Logo
3:43 pm - 10:19 pm
SDF
-
SJU
6h 36m
1 stop
Delta Logo
5:59 pm - 11:59 pm
SJU
-
SDF
6h 00m
1 stop
$336Delta
Fri, Sep 25 - Wed, Sep 30
United Airlines Logo
5:15 am - 2:44 pm
SDF
-
SJU
9h 29m
1 stop
United Airlines Logo
1:00 am - 1:15 pm
SJU
-
SDF
12h 15m
2 stops
$336United Airlines
Sun, Oct 11 - Fri, Oct 16
United Airlines Logo
6:15 am - 1:45 pm
SDF
-
SJU
7h 30m
1 stop
United Airlines Logo
8:05 am - 6:32 pm
SJU
-
SDF
11h 27m
2 stops
$336United Airlines
Sat, Oct 24 - Sat, Nov 7

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Delta flights from Louisville to Puerto Rico

Our best Delta deals on Louisville to Puerto Rico flight tickets
Delta
Sep 25
SDF3:43 pmLouisville Intl
6h 36m
1 stop
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Sep 30
SJU5:59 pmSan Juan Luis Munoz Marin Intl
6h 00m
1 stop
SDF11:59 pmLouisville Intl
$336
Delta
Sep 25
SDF1:15 pmLouisville Intl
9h 04m
1 stop
SJU10:19 pmSan Juan Luis Munoz Marin Intl
Sep 29
SJU5:59 pmSan Juan Luis Munoz Marin Intl
6h 00m
1 stop
SDF11:59 pmLouisville Intl
$398

American Airlines flights from Louisville to Puerto Rico

Our best American Airlines deals on Louisville to Puerto Rico flight tickets
American Airlines
Nov 18
SDF6:00 amLouisville Intl
11h 05m
2 stops
SJU6:05 pmSan Juan Luis Munoz Marin Intl
Nov 25
SJU8:30 amSan Juan Luis Munoz Marin Intl
14h 37m
1 stop
SDF10:07 pmLouisville Intl
$341
American Airlines
Nov 18
SDF11:08 amLouisville Intl
10h 24m
2 stops
SJU10:32 pmSan Juan Luis Munoz Marin Intl
Nov 25
SJU8:30 amSan Juan Luis Munoz Marin Intl
14h 37m
1 stop
SDF10:07 pmLouisville Intl
$349
American Airlines
Aug 28
SDF6:00 amLouisville Intl
8h 38m
1 stop
SJU2:38 pmSan Juan Luis Munoz Marin Intl
Aug 28
SJU5:10 pmSan Juan Luis Munoz Marin Intl
6h 41m
1 stop
SDF11:51 pmLouisville Intl
$385

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 August 4, 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

Thu 9/10

9:09 pm-11:58 pm

1 stop26h 49m

San Juan Luis Munoz Marin Intl

Thu 9/17

7:00 am-10:35 am

1 stop27h 35m

$230

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 9/10

9:09 pm-11:58 pm

1 stop26h 49m

San Juan Luis Munoz Marin Intl

Thu 9/17

7:00 am-8:29 pm

2 stops13h 29m

$258

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 9/28

7:27 pm-1:57 pm

2 stops18h 30m

San Juan Luis Munoz Marin Intl

Wed 9/30

6:00 am-7:10 pm

2 stops13h 10m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 8/28

12:32 pm-10:24 pm

1 stop9h 52m

San Juan Luis Munoz Marin Intl

Mon 8/31

5:10 pm-11:51 pm

1 stop6h 41m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 10/30

6:55 pm-1:20 am

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Tue 11/3

5:40 am-2:20 pm

1 stop9h 40m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 9/28

6:00 pm-11:55 pm

1 stop5h 55m

San Juan Luis Munoz Marin Intl

Thu 10/1

10:10 am-5:00 pm

1 stop6h 50m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 9/17

8:09 am-4:49 pm

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Sun 9/20

2:59 pm-11:59 pm

1 stop9h 00m

$336
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 9/25

3:43 pm-10:19 pm

1 stop6h 36m

San Juan Luis Munoz Marin Intl

Wed 9/30

5:59 pm-11:59 pm

1 stop6h 00m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 10/11

5:15 am-2:44 pm

1 stop9h 29m

San Juan Luis Munoz Marin Intl

Fri 10/16

1:00 am-1:15 pm

2 stops12h 15m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 10/24

6:15 am-1:45 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Sat 11/7

8:05 am-6:32 pm

2 stops11h 27m

$336

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 February to fly from Louisville, when ticket prices are also cheap, with an average price of $367.

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 $437 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 $359 on momondo.

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 50m

Direct flights

None
The fastest flight from Louisville to Puerto Rico takes 5h 50m
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
8,483 reviews
Search Delta flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,842 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
10,058 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,227 reviews
Search Southwest 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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