Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to San Juan 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 San Juan departing on 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Louisville to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:19 am - 4:11 pm
SDF
-
SJU
28h 52m
1 stop
Multiple Airlines Logo
5:37 pm - 10:32 am
SJU
-
SDF
16h 55m
1 stop
$285Multiple Airlines
Mon, Aug 31 - Sat, Sep 5
Multiple Airlines Logo
11:19 am - 4:11 pm
SDF
-
SJU
28h 52m
1 stop
Multiple Airlines Logo
7:00 am - 10:35 am
SJU
-
SDF
27h 35m
1 stop
$291Multiple Airlines
Mon, Aug 31 - Thu, Sep 10
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
6:00 am - 5:14 pm
SJU
-
SDF
11h 14m
2 stops
$336American Airlines
Thu, Sep 24 - Sat, Oct 3
American Airlines Logo
6:00 am - 8:47 pm
SDF
-
SJU
14h 47m
2 stops
American Airlines Logo
6:00 am - 10:42 pm
SJU
-
SDF
16h 42m
1 stop
$336American Airlines
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
11:35 am - 10:00 pm
SDF
-
SJU
9h 25m
1 stop
Southwest Logo
12:15 pm - 10:05 pm
SJU
-
SDF
10h 50m
2 stops
$336Southwest
Sat, Jan 23 - Wed, Jan 27
Southwest Logo
2:00 pm - 10:00 pm
SDF
-
SJU
7h 00m
1 stop
Southwest Logo
6:10 am - 3:00 pm
SJU
-
SDF
9h 50m
2 stops
$336Southwest
Tue, Jan 19 - Sat, Jan 23
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
1:59 pm - 11:18 pm
SDF
-
SJU
8h 19m
1 stop
Delta Logo
6:59 pm - 11:59 pm
SJU
-
SDF
6h 00m
1 stop
$336Delta
Sun, Nov 1 - Fri, Nov 6
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
9:00 am - 8:38 pm
SDF
-
SJU
11h 38m
2 stops
United Airlines Logo
1:00 am - 1:11 pm
SJU
-
SDF
12h 11m
2 stops
$336United Airlines
Sat, Sep 5 - Fri, Sep 11

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

American Airlines flights from Louisville to San Juan

Our best American Airlines deals on Louisville to San Juan flight tickets
American Airlines
Jan 20
SDF12:41 pmLouisville Intl
7h 58m
1 stop
SJU9:39 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU6:00 amSan Juan Luis Munoz Marin Intl
12h 42m
1 stop
SDF5:42 pmLouisville Intl
$341
American Airlines
Jan 16
SDF11:21 amLouisville Intl
11h 35m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Jan 22
SJU7:00 amSan Juan Luis Munoz Marin Intl
15h 16m
1 stop
SDF9:16 pmLouisville Intl
$361
American Airlines
Sep 18
SDF6:00 amLouisville Intl
8h 45m
1 stop
SJU2:45 pmSan Juan Luis Munoz Marin Intl
Sep 26
SJU4:38 pmSan Juan Luis Munoz Marin Intl
7h 06m
1 stop
SDF11:44 pmLouisville Intl
$390

Southwest flights from Louisville to San Juan

Our best Southwest deals on Louisville to San Juan flight tickets
Southwest
Sep 25
SDF4:10 pmLouisville Intl
7h 00m
1 stop
SJU11:10 pmSan Juan Luis Munoz Marin Intl
Oct 3
SJU3:05 pmSan Juan Luis Munoz Marin Intl
7h 15m
1 stop
SDF10:20 pmLouisville Intl
$336
Southwest
Oct 2
SDF11:50 amLouisville Intl
12h 15m
1 stop
SJU12:05 amSan Juan Luis Munoz Marin Intl
Oct 10
SJU5:40 amSan Juan Luis Munoz Marin Intl
10h 45m
1 stop
SDF4:25 pmLouisville Intl
$355
Southwest
Sep 17
SDF6:00 pmLouisville Intl
5h 55m
1 stop
SJU11:55 pmSan Juan Luis Munoz Marin Intl
Sep 20
SJU5:00 amSan Juan Luis Munoz Marin Intl
9h 10m
2 stops
SDF2:10 pmLouisville Intl
$374

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Juan 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 July 30, 2026.
Use the filters below to find and compare flights from Louisville to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 8/31

11:19 am-4:11 pm

1 stop28h 52m

San Juan Luis Munoz Marin Intl

Sat 9/5

5:37 pm-10:32 am

1 stop16h 55m

$285

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 8/31

11:19 am-4:11 pm

1 stop28h 52m

San Juan Luis Munoz Marin Intl

Thu 9/10

7:00 am-10:35 am

1 stop27h 35m

$291

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Thu 9/24

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

Sat 10/3

6:00 am-5:14 pm

2 stops11h 14m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 9/15

6:00 am-8:47 pm

2 stops14h 47m

San Juan Luis Munoz Marin Intl

Tue 9/22

6:00 am-10:42 pm

1 stop16h 42m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 1/23

11:35 am-10:00 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Wed 1/27

12:15 pm-10:05 pm

2 stops10h 50m

$336

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 1/19

2:00 pm-10:00 pm

1 stop7h 00m

San Juan Luis Munoz Marin Intl

Sat 1/23

6:10 am-3:00 pm

2 stops9h 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

Sun 11/1

1:59 pm-11:18 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Fri 11/6

6:59 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 9/5

9:00 am-8:38 pm

2 stops11h 38m

San Juan Luis Munoz Marin Intl

Fri 9/11

1:00 am-1:11 pm

2 stops12h 11m

$336

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to San Juan from

How to get the cheapest flight ticket from Louisville to San Juan

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 typical price of a round-trip flight between Louisville and San Juan?

Prices are currently low for flights on this route.

Typical prices usually range from $336 to $511.
The lowest price recently found on this route was $285.

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in October, then February is your next best option. Flight prices from Louisville to San Juan during February average around $367.

How far in advance should I book a flight from Louisville to San Juan?

You are more likely to see cheaper flights to San Juan from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Louisville for as low as $359 on momondo.

Cheap Louisville to San Juan flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Juan

Fastest flight time

6h 34m

Direct flights

None
The fastest flight from Louisville to San Juan takes 6h 34m
There are no direct flights from Louisville to San Juan. There are no popular flight routes from Louisville to San Juan.
Search flight deals

Frequently asked questions about flying from Louisville to San Juan

  • How far is Louisville Intl to San Juan by plane?

    San Juan is 1805.8 mi away from Louisville Intl. Typically, this will take 6h 34m by plane in normal conditions.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Juan?

    Prices for flights from Louisville Intl Airport to San Juan are refreshed on a daily basis.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Juan?

  • How old do you have to be to fly from Louisville Intl Airport to San Juan?

    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 San Juan.

  • What documentation or ID do you need to fly to San Juan?

    The travel and health documents you'll need for your trip to San Juan 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 San Juan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to San Juan

Compare and see reviews for airlines that fly from Louisville to San Juan with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $205Free CancellationRating
7.8
8,487 reviews
Search Delta flights
American AirlinesPriceFrom $226Free CancellationRating
7.1
11,841 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
10,046 reviews
Search United Airlines flights
SouthwestPriceFrom $262Free 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 San Juan?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Louisville to San Juan for you.

Can I find flights from Louisville to San Juan with flexible booking policies on momondo?

Yes. All flights to San Juan from Louisville on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Louisville to San Juan?

Once you have performed a search for Louisville to San Juan flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Juan 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
Sat 8/29
Sat 9/5
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Puerto Rico

Fly into one of these airports located in San Juan

Airports listed have a maximum distance of 7.1 mi from San Juan
San Juan Isla Grande Airport
San Juan Luis Munoz Marin Intl Airport