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Cheap flights from Louisville to San Juan from $116

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 1/11. 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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Find the cheapest flights from Louisville to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 8:50 pm
SDF
-
SJU
13h 50m2 stops
American Airlines Logo
11:38 am - 11:59 pm
SJU
-
SDF
13h 21m1 stop
$225American Airlines
mar., ene. 20 - mar., ene. 27
Multiple Airlines Logo
1:55 pm - 11:33 pm
SDF
-
SJU
8h 38m1 stop
Multiple Airlines Logo
6:00 am - 2:41 pm
SJU
-
SDF
9h 41m1 stop
$254Multiple Airlines
mié., ene. 14 - jue., ene. 15
Multiple Airlines Logo
6:54 pm - 3:35 pm
SDF
-
SJU
19h 41m1 stop
Multiple Airlines Logo
6:00 am - 2:41 pm
SJU
-
SDF
9h 41m1 stop
$256Multiple Airlines
lun., ene. 12 - jue., ene. 15
Delta Logo
10:13 am - 8:58 pm
SDF
-
SJU
9h 45m1 stop
Delta Logo
7:30 am - 2:45 pm
SJU
-
SDF
8h 15m1 stop
$265Delta
jue., ene. 29 - sáb., feb. 7
Multiple Airlines Logo
6:54 pm - 3:35 pm
SDF
-
SJU
19h 41m1 stop
Multiple Airlines Logo
3:55 am - 1:00 pm
SJU
-
SDF
10h 05m1 stop
$279Multiple Airlines
lun., feb. 2 - mar., feb. 10
Multiple Airlines Logo
3:36 pm - 9:47 am
SDF
-
SJU
17h 11m2 stops
Multiple Airlines Logo
6:00 am - 2:41 pm
SJU
-
SDF
9h 41m1 stop
$282Multiple Airlines
mar., ene. 13 - jue., ene. 15
American Airlines Logo
6:00 am - 6:22 pm
SDF
-
SJU
11h 22m1 stop
American Airlines Logo
5:51 pm - 11:59 pm
SJU
-
SDF
7h 08m1 stop
$285American Airlines
jue., ene. 22 - lun., ene. 26
Spirit Airlines Logo
1:55 pm - 11:33 pm
SDF
-
SJU
8h 38m1 stop
Spirit Airlines Logo
6:00 am - 1:00 pm
SJU
-
SDF
8h 00m1 stop
$288Spirit Airlines
mié., ene. 14 - mié., ene. 21
Multiple Airlines Logo
11:21 am - 12:45 am
SDF
-
SJU
12h 24m1 stop
Multiple Airlines Logo
7:35 am - 11:59 pm
SJU
-
SDF
17h 24m1 stop
$289Multiple Airlines
lun., dic. 15 - sáb., dic. 20
Multiple Airlines Logo
3:36 pm - 1:20 am
SDF
-
SJU
8h 44m1 stop
Multiple Airlines Logo
7:00 pm - 2:41 pm
SJU
-
SDF
20h 41m2 stops
$290Multiple Airlines
dom., ene. 18 - mié., ene. 21

Delta flights from Louisville to San Juan

Our best Delta deals on Louisville to San Juan flight tickets
Delta
Feb 1
SDF7:00 amLouisville Intl
9h 17m
1 stop
SJU5:17 pmSan Juan Luis Munoz Marin Intl
Feb 4
SJU3:55 pmSan Juan Luis Munoz Marin Intl
8h 55m
1 stop
SDF11:50 pmLouisville Intl
$225
Find similar
Delta
Jan 29
SDF10:13 amLouisville Intl
9h 45m
1 stop
SJU8:58 pmSan Juan Luis Munoz Marin Intl
Feb 7
SJU7:30 amSan Juan Luis Munoz Marin Intl
8h 15m
1 stop
SDF2:45 pmLouisville Intl
$265
Find similar
Delta
Jan 13
SDF6:00 amLouisville Intl
7h 31m
1 stop
SJU2:31 pmSan Juan Luis Munoz Marin Intl
Jan 17
SJU6:15 amSan Juan Luis Munoz Marin Intl
9h 27m
1 stop
SDF2:42 pmLouisville Intl
$353
Find similar

American Airlines flights from Louisville to San Juan

Our best American Airlines deals on Louisville to San Juan flight tickets
American Airlines
Mar 16
SDF6:02 amLouisville Intl
9h 10m
1 stop
SJU3:12 pmSan Juan Luis Munoz Marin Intl
Mar 20
SJU5:00 amSan Juan Luis Munoz Marin Intl
10h 01m
1 stop
SDF3:01 pmLouisville Intl
$285
Find similar
American Airlines
Dec 12
SDF7:12 amLouisville Intl
13h 13m
1 stop
SJU9:25 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU6:00 amSan Juan Luis Munoz Marin Intl
9h 59m
2 stops
SDF2:59 pmLouisville Intl
$300
Find similar
American Airlines
Mar 18
SDF7:00 amLouisville Intl
13h 49m
1 stop
SJU8:49 pmSan Juan Luis Munoz Marin Intl
Mar 24
SJU7:40 amSan Juan Luis Munoz Marin Intl
10h 14m
1 stop
SDF5:54 pmLouisville Intl
$305
Find similar

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 diciembre 8, 2025.
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

mar. 1/20

6:00 am-8:50 pm

2 stops13h 50m

San Juan Luis Munoz Marin Intl

mar. 1/27

11:38 am-11:59 pm

1 stop13h 21m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 1/14

1:55 pm-11:33 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

jue. 1/15

6:00 am-2:41 pm

1 stop9h 41m

$254

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 1/12

6:54 pm-3:35 pm

1 stop19h 41m

San Juan Luis Munoz Marin Intl

jue. 1/15

6:00 am-2:41 pm

1 stop9h 41m

$256

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

jue. 1/29

10:13 am-8:58 pm

1 stop9h 45m

San Juan Luis Munoz Marin Intl

sáb. 2/7

7:30 am-2:45 pm

1 stop8h 15m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 2/2

6:54 pm-3:35 pm

1 stop19h 41m

San Juan Luis Munoz Marin Intl

mar. 2/10

3:55 am-1:00 pm

1 stop10h 05m

$279

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mar. 1/13

3:36 pm-9:47 am

2 stops17h 11m

San Juan Luis Munoz Marin Intl

jue. 1/15

6:00 am-2:41 pm

1 stop9h 41m

$282

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

jue. 1/22

6:00 am-6:22 pm

1 stop11h 22m

San Juan Luis Munoz Marin Intl

lun. 1/26

5:51 pm-11:59 pm

1 stop7h 08m

$285

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 1/14

1:55 pm-11:33 pm

1 stop8h 38m

San Juan Luis Munoz Marin Intl

mié. 1/21

6:00 am-1:00 pm

1 stop8h 00m

$288

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 12/15

11:21 am-12:45 am

1 stop12h 24m

San Juan Luis Munoz Marin Intl

sáb. 12/20

7:35 am-11:59 pm

1 stop17h 24m

$289

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dom. 1/18

3:36 pm-1:20 am

1 stop8h 44m

San Juan Luis Munoz Marin Intl

mié. 1/21

7:00 pm-2:41 pm

2 stops20h 41m

$290

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 September, then October is your next best option. Flight prices from Louisville to San Juan during October average around $315.

What is the cheapest day to depart on your flight to San Juan?

The cheapest day to depart from Louisville to San Juan is on a Tuesday when prices can be found for as low as $372. The most expensive day to fly to San Juan is Friday, with ticket prices averaging around $459.

What is the cheapest time of day to depart on your flight to San Juan?

The cheapest time of day to fly to San Juan is in the evening when flights can be purchased for as low as $339. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $441 on average. Flights to San Juan from Louisville in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $434 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

5h 53m

Direct flights

None
The fastest flight from Louisville to San Juan takes 5h 53m
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 5h 53m 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
8,168 reviews
Search Spirit Airlines flights
DeltaPriceFrom $221Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,089 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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mié. 1/7
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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