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Cheap flights from Louisville to San Juan from $113

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 1/25. 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.
Delta Logo
5:35 am - 5:17 pm
SDF
-
SJU
10h 42m1 stop
Delta Logo
2:15 pm - 11:50 pm
SJU
-
SDF
10h 35m1 stop
$225Delta
dom., ene. 25 - jue., ene. 29
American Airlines Logo
7:52 pm - 10:48 am
SDF
-
SJU
14h 56m1 stop
American Airlines Logo
4:30 pm - 8:38 am
SJU
-
SDF
16h 08m1 stop
$229American Airlines
sáb., may. 2 - sáb., may. 9
American Airlines Logo
1:15 pm - 11:56 pm
SDF
-
SJU
9h 41m2 stops
American Airlines Logo
7:00 am - 9:16 pm
SJU
-
SDF
15h 16m1 stop
$230American Airlines
sáb., ene. 24 - sáb., ene. 31
United Airlines Logo
11:10 am - 10:22 pm
SDF
-
SJU
10h 12m2 stops
United Airlines Logo
2:05 am - 1:28 pm
SJU
-
SDF
12h 23m2 stops
$250United Airlines
dom., ene. 25 - vie., ene. 30
United Airlines Logo
6:00 am - 4:36 pm
SDF
-
SJU
9h 36m1 stop
United Airlines Logo
2:05 am - 1:17 pm
SJU
-
SDF
12h 12m2 stops
$258United Airlines
sáb., feb. 28 - vie., mar. 6
United Airlines Logo
5:35 am - 9:26 pm
SDF
-
SJU
14h 51m2 stops
United Airlines Logo
8:05 am - 2:47 pm
SJU
-
SDF
7h 42m1 stop
$262United Airlines
dom., mar. 1 - jue., mar. 5
American Airlines Logo
7:00 am - 3:17 pm
SDF
-
SJU
8h 17m1 stop
American Airlines Logo
5:00 am - 3:03 pm
SJU
-
SDF
10h 03m1 stop
$265American Airlines
lun., mar. 16 - vie., mar. 20
United Airlines Logo
8:29 am - 10:22 pm
SDF
-
SJU
12h 53m2 stops
United Airlines Logo
8:10 am - 5:37 pm
SJU
-
SDF
10h 27m2 stops
$279United Airlines
jue., ene. 29 - jue., feb. 5
American Airlines Logo
7:40 am - 10:31 pm
SDF
-
SJU
14h 51m1 stop
American Airlines Logo
6:00 am - 11:59 pm
SJU
-
SDF
17h 59m1 stop
$285American Airlines
mié., mar. 18 - mar., mar. 24
Multiple Airlines Logo
2:26 pm - 12:41 am
SDF
-
SJU
9h 15m1 stop
Multiple Airlines Logo
3:22 pm - 2:38 pm
SJU
-
SDF
23h 16m2 stops
$298Multiple Airlines
dom., mar. 1 - lun., mar. 9

Spirit Airlines flights from Louisville to San Juan

Our best Spirit Airlines deals on Louisville to San Juan flight tickets
Spirit Airlines
Feb 6
SDF1:55 pmLouisville Intl
8h 38m
1 stop
SJU11:33 pmSan Juan Luis Munoz Marin Intl
Feb 8
SJU2:59 amSan Juan Luis Munoz Marin Intl
36h 42m
2 stops
SDF2:41 pmLouisville Intl
$310
Find similar
Spirit Airlines
Jan 13
SDF3:36 pmLouisville Intl
17h 11m
2 stops
SJU9:47 amSan Juan Luis Munoz Marin Intl
Jan 17
SJU1:22 pmSan Juan Luis Munoz Marin Intl
26h 19m
3 stops
SDF2:41 pmLouisville Intl
$452
Find similar
Spirit Airlines
Jan 9
SDF1:55 pmLouisville Intl
24h 40m
3 stops
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU11:52 amSan Juan Luis Munoz Marin Intl
27h 49m
3 stops
SDF2:41 pmLouisville Intl
$560
Find similar

Southwest flights from Louisville to San Juan

Our best Southwest deals on Louisville to San Juan flight tickets
Southwest
Jan 29
SDF2:30 pmLouisville Intl
7h 40m
1 stop
SJU11:10 pmSan Juan Luis Munoz Marin Intl
Feb 1
SJU5:35 amSan Juan Luis Munoz Marin Intl
6h 25m
1 stop
SDF11:00 amLouisville Intl
$355
Find similar
Southwest
Jan 24
SDF11:10 amLouisville Intl
10h 50m
2 stops
SJU11:00 pmSan Juan Luis Munoz Marin Intl
Feb 1
SJU5:35 amSan Juan Luis Munoz Marin Intl
6h 25m
1 stop
SDF11:00 amLouisville Intl
$425
Find similar
Southwest
Jan 19
SDF11:40 amLouisville Intl
11h 25m
2 stops
SJU12:05 amSan Juan Luis Munoz Marin Intl
Jan 26
SJU6:10 amSan Juan Luis Munoz Marin Intl
11h 50m
2 stops
SDF5:00 pmLouisville Intl
$450
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 31, 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

dom. 1/25

5:35 am-5:17 pm

1 stop10h 42m

San Juan Luis Munoz Marin Intl

jue. 1/29

2:15 pm-11:50 pm

1 stop10h 35m

$225

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

sáb. 5/2

7:52 pm-10:48 am

1 stop14h 56m

San Juan Luis Munoz Marin Intl

sáb. 5/9

4:30 pm-8:38 am

1 stop16h 08m

$229

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

sáb. 1/24

1:15 pm-11:56 pm

2 stops9h 41m

San Juan Luis Munoz Marin Intl

sáb. 1/31

7:00 am-9:16 pm

1 stop15h 16m

$230

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dom. 1/25

11:10 am-10:22 pm

2 stops10h 12m

San Juan Luis Munoz Marin Intl

vie. 1/30

2:05 am-1:28 pm

2 stops12h 23m

$250

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

sáb. 2/28

6:00 am-4:36 pm

1 stop9h 36m

San Juan Luis Munoz Marin Intl

vie. 3/6

2:05 am-1:17 pm

2 stops12h 12m

$258

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dom. 3/1

5:35 am-9:26 pm

2 stops14h 51m

San Juan Luis Munoz Marin Intl

jue. 3/5

8:05 am-2:47 pm

1 stop7h 42m

$262

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

lun. 3/16

7:00 am-3:17 pm

1 stop8h 17m

San Juan Luis Munoz Marin Intl

vie. 3/20

5:00 am-3:03 pm

1 stop10h 03m

$265

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

jue. 1/29

8:29 am-10:22 pm

2 stops12h 53m

San Juan Luis Munoz Marin Intl

jue. 2/5

8:10 am-5:37 pm

2 stops10h 27m

$279

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

mié. 3/18

7:40 am-10:31 pm

1 stop14h 51m

San Juan Luis Munoz Marin Intl

mar. 3/24

6:00 am-11:59 pm

1 stop17h 59m

$285

LouisvilleSan Juan

SDF - SJU

SDFSJU

Louisville Intl

dom. 3/1

2:26 pm-12:41 am

1 stop9h 15m

San Juan Luis Munoz Marin Intl

lun. 3/9

3:22 pm-2:38 pm

2 stops23h 16m

$298

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 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 $432 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
8,253 reviews
Search Spirit Airlines flights
DeltaPriceFrom $215Free CancellationRating
7.9
8,013 reviews
Search Delta flights
SouthwestPriceFrom $225Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
United AirlinesPriceFrom $259Free CancellationRating
7.4
9,128 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