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Cheap flights from Louisville to San Juan from $163

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 5/8. 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
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.
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$279Spirit Airlines
Mon, May 11 - Thu, May 14
Multiple Airlines Logo
10:33 am - 4:01 am
SDF
-
SJU
41h 28m
2 stops
Multiple Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$282Multiple Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Multiple Airlines Logo
8:32 am - 9:28 am
SJU
-
SDF
24h 56m
2 stops
$286Multiple Airlines
Mon, May 11 - Wed, May 27
Multiple Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Multiple Airlines Logo
6:00 am - 9:28 am
SJU
-
SDF
27h 28m
1 stop
$297Multiple Airlines
Mon, May 11 - Wed, May 27
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$299Spirit Airlines
Sun, May 24 - Sat, May 30
Multiple Airlines Logo
8:06 pm - 4:01 am
SDF
-
SJU
31h 55m
2 stops
Multiple Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$300Multiple Airlines
Sat, May 23 - Thu, May 28
Multiple Airlines Logo
10:33 am - 3:55 pm
SDF
-
SJU
29h 22m
1 stop
Multiple Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$301Multiple Airlines
Sun, May 24 - Sat, May 30
Multiple Airlines Logo
10:33 am - 4:01 am
SDF
-
SJU
41h 28m
2 stops
Multiple Airlines Logo
6:00 am - 8:20 pm
SJU
-
SDF
14h 20m
1 stop
$305Multiple Airlines
Fri, May 22 - Fri, May 29
Spirit Airlines Logo
10:33 am - 6:59 pm
SDF
-
SJU
8h 26m
1 stop
Spirit Airlines Logo
8:04 pm - 9:28 am
SJU
-
SDF
13h 24m
1 stop
$306Spirit Airlines
Fri, May 22 - Thu, May 28
Multiple Airlines Logo
7:48 pm - 2:07 pm
SDF
-
SJU
18h 19m
2 stops
Multiple Airlines Logo
11:00 am - 9:28 am
SJU
-
SDF
22h 28m
1 stop
$308Multiple Airlines
Mon, May 11 - Thu, May 14

Spirit Airlines flights from Louisville to San Juan

Our best Spirit Airlines deals on Louisville to San Juan flight tickets
Spirit Airlines
May 11
SDF10:33 amLouisville Intl
8h 26m
1 stop
SJU6:59 pmSan Juan Luis Munoz Marin Intl
May 14
SJU8:04 pmSan Juan Luis Munoz Marin Intl
13h 24m
1 stop
SDF9:28 amLouisville Intl
$279
Spirit Airlines
May 24
SDF10:33 amLouisville Intl
8h 26m
1 stop
SJU6:59 pmSan Juan Luis Munoz Marin Intl
May 30
SJU8:04 pmSan Juan Luis Munoz Marin Intl
13h 24m
1 stop
SDF9:28 amLouisville Intl
$299
Spirit Airlines
May 22
SDF10:33 amLouisville Intl
8h 26m
1 stop
SJU6:59 pmSan Juan Luis Munoz Marin Intl
May 28
SJU8:04 pmSan Juan Luis Munoz Marin Intl
13h 24m
1 stop
SDF9:28 amLouisville Intl
$306

American Airlines flights from Louisville to San Juan

Our best American Airlines deals on Louisville to San Juan flight tickets
American Airlines
May 27
SDF7:38 amLouisville Intl
15h 23m
1 stop
SJU11:01 pmSan Juan Luis Munoz Marin Intl
Jun 3
SJU1:47 pmSan Juan Luis Munoz Marin Intl
10h 41m
2 stops
SDF12:28 amLouisville Intl
$340
American Airlines
May 11
SDF6:31 amLouisville Intl
8h 21m
2 stops
SJU2:52 pmSan Juan Luis Munoz Marin Intl
May 26
SJU12:44 amSan Juan Luis Munoz Marin Intl
11h 57m
1 stop
SDF12:41 pmLouisville Intl
$366
American Airlines
Apr 30
SDF7:31 amLouisville Intl
14h 34m
1 stop
SJU10:05 pmSan Juan Luis Munoz Marin Intl
May 3
SJU5:45 amSan Juan Luis Munoz Marin Intl
10h 58m
1 stop
SDF4:43 pmLouisville Intl
$396

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 April 28, 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
Quickest round-trip

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 5/11

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Thu 5/14

8:04 pm-9:28 am

1 stop13h 24m

$279

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/22

10:33 am-4:01 am

2 stops41h 28m

San Juan Luis Munoz Marin Intl

Thu 5/28

8:04 pm-9:28 am

1 stop13h 24m

$282

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 5/11

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Wed 5/27

8:32 am-9:28 am

2 stops24h 56m

$286

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 5/11

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Wed 5/27

6:00 am-9:28 am

1 stop27h 28m

$297

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 5/24

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Sat 5/30

8:04 pm-9:28 am

1 stop13h 24m

$299

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sat 5/23

8:06 pm-4:01 am

2 stops31h 55m

San Juan Luis Munoz Marin Intl

Thu 5/28

8:04 pm-9:28 am

1 stop13h 24m

$300

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Sun 5/24

10:33 am-3:55 pm

1 stop29h 22m

San Juan Luis Munoz Marin Intl

Sat 5/30

8:04 pm-9:28 am

1 stop13h 24m

$301

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/22

10:33 am-4:01 am

2 stops41h 28m

San Juan Luis Munoz Marin Intl

Fri 5/29

6:00 am-8:20 pm

1 stop14h 20m

$305

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Fri 5/22

10:33 am-6:59 pm

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Thu 5/28

8:04 pm-9:28 am

1 stop13h 24m

$306

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

Mon 5/11

7:48 pm-2:07 pm

2 stops18h 19m

San Juan Luis Munoz Marin Intl

Thu 5/14

11:00 am-9:28 am

1 stop22h 28m

$308

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 $425 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 $377 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 20m

Direct flights

None
The fastest flight from Louisville to San Juan takes 6h 20m
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 20m 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 $176Free CancellationRating
6.3
8,633 reviews
Search Spirit Airlines flights
DeltaPriceFrom $198Free CancellationRating
7.9
8,466 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,314 reviews
Search Southwest flights
American AirlinesPriceFrom $240Free CancellationRating
7.1
11,676 reviews
Search American Airlines flights
United AirlinesPriceFrom $246Free CancellationRating
7.4
9,672 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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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