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Cheap flights from Louisville to San Juan from $110

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.
United Airlines Logo
7:25 am - 3:42 pm
SDF
-
SJU
8h 17m
1 stop
United Airlines Logo
3:56 pm - 11:59 pm
SJU
-
SDF
8h 03m
1 stop
$220United Airlines
dim., août 30 - mer., sept. 2
United Airlines Logo
7:10 am - 8:38 pm
SDF
-
SJU
13h 28m
2 stops
United Airlines Logo
2:20 pm - 10:15 pm
SJU
-
SDF
7h 55m
1 stop
$223United Airlines
sam., août 29 - lun., août 31
Delta Logo
1:17 pm - 10:29 pm
SDF
-
SJU
9h 12m
1 stop
Delta Logo
12:56 pm - 9:33 pm
SJU
-
SDF
8h 37m
1 stop
$226Delta
mer., août 12 - mer., août 19
United Airlines Logo
7:00 am - 2:44 pm
SDF
-
SJU
7h 44m
1 stop
United Airlines Logo
3:56 pm - 11:59 pm
SJU
-
SDF
8h 03m
1 stop
$248United Airlines
sam., oct. 3 - ven., oct. 9
Southwest Logo
3:35 pm - 10:45 pm
SDF
-
SJU
7h 10m
1 stop
Southwest Logo
6:00 am - 1:35 pm
SJU
-
SDF
7h 35m
1 stop
$258Southwest
dim., août 9 - ven., août 14
Multiple Airlines Logo
11:12 am - 12:34 am
SDF
-
SJU
13h 22m
1 stop
Multiple Airlines Logo
5:37 pm - 10:32 am
SJU
-
SDF
16h 55m
1 stop
$264Multiple Airlines
dim., août 30 - mer., sept. 2
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
2:22 pm - 10:55 pm
SJU
-
SDF
8h 33m
1 stop
$268American Airlines
ven., sept. 25 - mer., sept. 30
United Airlines Logo
7:10 am - 2:44 pm
SDF
-
SJU
7h 34m
1 stop
United Airlines Logo
2:20 pm - 10:15 pm
SJU
-
SDF
7h 55m
1 stop
$271United Airlines
mar., sept. 8 - dim., sept. 13
American Airlines Logo
7:27 pm - 11:00 am
SDF
-
SJU
15h 33m
2 stops
American Airlines Logo
10:16 am - 9:27 pm
SJU
-
SDF
11h 11m
2 stops
$273American Airlines
ven., sept. 18 - sam., sept. 26
Multiple Airlines Logo
9:10 pm - 4:11 pm
SDF
-
SJU
19h 01m
1 stop
Multiple Airlines Logo
6:45 am - 9:49 am
SJU
-
SDF
27h 04m
1 stop
$280Multiple Airlines
ven., août 14 - jeu., août 20

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American Airlines flights from Louisville to San Juan

Our best American Airlines deals on Louisville to San Juan flight tickets
American Airlines
Sep 25
SDF7:27 pmLouisville Intl
15h 33m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 30
SJU2:58 pmSan Juan Luis Munoz Marin Intl
8h 24m
2 stops
SDF11:22 pmLouisville Intl
$268
American Airlines
Sep 18
SDF7:27 pmLouisville Intl
15h 33m
2 stops
SJU11:00 amSan Juan Luis Munoz Marin Intl
Sep 26
SJU10:16 amSan Juan Luis Munoz Marin Intl
11h 11m
2 stops
SDF9:27 pmLouisville Intl
$273
American Airlines
Aug 16
SDF7:31 amLouisville Intl
16h 44m
2 stops
SJU12:15 amSan Juan Luis Munoz Marin Intl
Aug 17
SJU7:30 amSan Juan Luis Munoz Marin Intl
15h 41m
1 stop
SDF11:11 pmLouisville Intl
$285

Delta flights from Louisville to San Juan

Our best Delta deals on Louisville to San Juan flight tickets
Delta
Aug 12
SDF1:17 pmLouisville Intl
9h 12m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Aug 19
SJU12:56 pmSan Juan Luis Munoz Marin Intl
8h 37m
1 stop
SDF9:33 pmLouisville Intl
$226
Delta
Aug 18
SDF6:00 amLouisville Intl
5h 46m
1 stop
SJU11:46 amSan Juan Luis Munoz Marin Intl
Aug 31
SJU7:00 amSan Juan Luis Munoz Marin Intl
7h 18m
1 stop
SDF2:18 pmLouisville Intl
$283
Delta
Aug 12
SDF11:17 amLouisville Intl
11h 12m
1 stop
SJU10:29 pmSan Juan Luis Munoz Marin Intl
Aug 21
SJU2:59 pmSan Juan Luis Munoz Marin Intl
7h 11m
1 stop
SDF10:10 pmLouisville Intl
$316

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 juin 26, 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

dim. 8/30

7:25 am-3:42 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

mer. 9/2

3:56 pm-11:59 pm

1 stop8h 03m

$220

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

sam. 8/29

7:10 am-8:38 pm

2 stops13h 28m

San Juan Luis Munoz Marin Intl

lun. 8/31

2:20 pm-10:15 pm

1 stop7h 55m

$223

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mer. 8/12

1:17 pm-10:29 pm

1 stop9h 12m

San Juan Luis Munoz Marin Intl

mer. 8/19

12:56 pm-9:33 pm

1 stop8h 37m

$226

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

sam. 10/3

7:00 am-2:44 pm

1 stop7h 44m

San Juan Luis Munoz Marin Intl

ven. 10/9

3:56 pm-11:59 pm

1 stop8h 03m

$248
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dim. 8/9

3:35 pm-10:45 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

ven. 8/14

6:00 am-1:35 pm

1 stop7h 35m

$258

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dim. 8/30

11:12 am-12:34 am

1 stop13h 22m

San Juan Luis Munoz Marin Intl

mer. 9/2

5:37 pm-10:32 am

1 stop16h 55m

$264

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

ven. 9/25

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

mer. 9/30

2:22 pm-10:55 pm

1 stop8h 33m

$268

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mar. 9/8

7:10 am-2:44 pm

1 stop7h 34m

San Juan Luis Munoz Marin Intl

dim. 9/13

2:20 pm-10:15 pm

1 stop7h 55m

$271

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

ven. 9/18

7:27 pm-11:00 am

2 stops15h 33m

San Juan Luis Munoz Marin Intl

sam. 9/26

10:16 am-9:27 pm

2 stops11h 11m

$273

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

ven. 8/14

9:10 pm-4:11 pm

1 stop19h 01m

San Juan Luis Munoz Marin Intl

jeu. 8/20

6:45 am-9:49 am

1 stop27h 04m

$280

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 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 November, then January is your next best option. Flight prices from Louisville to San Juan during January average around $113.

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 $431 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 $387 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

5h 45m

Direct flights

None
The fastest flight from Louisville to San Juan takes 5h 45m
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 5h 45m 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
8,453 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
7.9
4,245 reviews
Search Southwest flights
American AirlinesPriceFrom $238Free CancellationRating
7.1
11,769 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,893 reviews
Search United 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.

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dim. 7/26
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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