Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Louisville to San Juan from $107

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 3/4. 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 San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
1:19 pm - 11:09 pm
SDF
-
SJU
8h 50m
1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$215Spirit Airlines
Wed, Feb 25 - Wed, Mar 4
Spirit Airlines Logo
1:19 pm - 11:09 pm
SDF
-
SJU
8h 50m
1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$222Spirit Airlines
Wed, Feb 18 - Wed, Feb 25
Spirit Airlines Logo
1:19 pm - 11:09 pm
SDF
-
SJU
8h 50m
1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$237Spirit Airlines
Fri, Feb 20 - Wed, Feb 25
Southwest Logo
2:30 pm - 11:10 pm
SDF
-
SJU
7h 40m
1 stop
Southwest Logo
5:40 am - 11:10 am
SJU
-
SDF
6h 30m
1 stop
$241Southwest
Tue, Mar 3 - Wed, Mar 4
Delta Logo
3:33 pm - 11:58 pm
SDF
-
SJU
7h 25m
1 stop
Delta Logo
6:15 am - 11:27 am
SJU
-
SDF
6h 12m
1 stop
$246Delta
Tue, Feb 24 - Wed, Mar 4
Spirit Airlines Logo
12:03 pm - 10:03 pm
SDF
-
SJU
10h 00m
1 stop
Spirit Airlines Logo
1:45 am - 11:08 am
SJU
-
SDF
9h 23m
1 stop
$256Spirit Airlines
Wed, Apr 1 - Sun, Apr 5
Spirit Airlines Logo
1:19 pm - 10:17 am
SDF
-
SJU
19h 58m
1 stop
Spirit Airlines Logo
5:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$263Spirit Airlines
Mon, Mar 2 - Mon, Mar 9
Spirit Airlines Logo
1:19 pm - 11:09 pm
SDF
-
SJU
8h 50m
1 stop
Spirit Airlines Logo
6:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$265Spirit Airlines
Wed, Feb 18 - Wed, Feb 25
Spirit Airlines Logo
1:19 pm - 10:17 am
SDF
-
SJU
19h 58m
1 stop
Spirit Airlines Logo
5:00 am - 12:21 pm
SJU
-
SDF
7h 21m
1 stop
$273Spirit Airlines
Mon, Mar 2 - Mon, Mar 9
Southwest Logo
12:50 pm - 12:35 am
SDF
-
SJU
10h 45m
2 stops
Southwest Logo
5:40 am - 11:10 am
SJU
-
SDF
6h 30m
1 stop
$281Southwest
Tue, Mar 3 - Wed, Mar 4

Spirit Airlines flights from Louisville to San Juan

Our best Spirit Airlines deals on Louisville to San Juan flight tickets
Spirit Airlines
Feb 25
SDF1:19 pmLouisville Intl
8h 50m
1 stop
SJU11:09 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 21m
1 stop
SDF12:21 pmLouisville Intl
$215
Spirit Airlines
Feb 18
SDF1:19 pmLouisville Intl
8h 50m
1 stop
SJU11:09 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 21m
1 stop
SDF12:21 pmLouisville Intl
$222
Spirit Airlines
Feb 20
SDF1:19 pmLouisville Intl
8h 50m
1 stop
SJU11:09 pmSan Juan Luis Munoz Marin Intl
Feb 25
SJU6:00 amSan Juan Luis Munoz Marin Intl
7h 21m
1 stop
SDF12:21 pmLouisville Intl
$237

United Airlines flights from Louisville to San Juan

Our best United Airlines deals on Louisville to San Juan flight tickets
United Airlines
Feb 8
SDF8:29 amLouisville Intl
12h 53m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Feb 12
SJU2:20 pmSan Juan Luis Munoz Marin Intl
10h 39m
1 stop
SDF11:59 pmLouisville Intl
$326
United Airlines
Mar 2
SDF9:00 amLouisville Intl
12h 22m
2 stops
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 12m
2 stops
SDF1:17 pmLouisville Intl
$336
United Airlines
Apr 11
SDF7:20 amLouisville Intl
13h 18m
2 stops
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Apr 17
SJU1:25 pmSan Juan Luis Munoz Marin Intl
9h 47m
1 stop
SDF11:12 pmLouisville Intl
$353

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 January 29, 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

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 2/25

1:19 pm-11:09 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:00 am-12:21 pm

1 stop7h 21m

$215

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 2/18

1:19 pm-11:09 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:00 am-12:21 pm

1 stop7h 21m

$222

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 2/20

1:19 pm-11:09 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:00 am-12:21 pm

1 stop7h 21m

$237

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/3

2:30 pm-11:10 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:40 am-11:10 am

1 stop6h 30m

$241

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 2/24

3:33 pm-11:58 pm

1 stop7h 25m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:15 am-11:27 am

1 stop6h 12m

$246

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 4/1

12:03 pm-10:03 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Sun 4/5

1:45 am-11:08 am

1 stop9h 23m

$256

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 3/2

1:19 pm-10:17 am

1 stop19h 58m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:00 am-12:21 pm

1 stop7h 21m

$263

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Wed 2/18

1:19 pm-11:09 pm

1 stop8h 50m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:00 am-12:21 pm

1 stop7h 21m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 3/2

1:19 pm-10:17 am

1 stop19h 58m

San Juan Luis Munoz Marin Intl

Mon 3/9

5:00 am-12:21 pm

1 stop7h 21m

$273

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Tue 3/3

12:50 pm-12:35 am

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:40 am-11:10 am

1 stop6h 30m

$281

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?

What is the cheapest month to fly to San Juan?

If you’re not able to fly to San Juan in September, then October is your next best option. Flight prices from Louisville to San Juan during October average around $315.

How far in advance should I book a flight 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 $429 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 $385 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 25m

Direct flights

None
The fastest flight from Louisville to San Juan takes 6h 25m
There are no direct flights from Louisville to San Juan. There are no popular flight routes from Louisville to San Juan.
Search flight deals

  • 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 25m 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
Spirit AirlinesPriceFrom $152Free CancellationRating
6.3
8,393 reviews
Search Spirit Airlines flights
DeltaPriceFrom $205Free CancellationRating
7.9
8,128 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
11,205 reviews
Search American Airlines 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 2/28
Sat 3/7
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