How does KAYAK find such low prices on flights from Kentucky to San Juan?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to San Juan.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to San Juan?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Kentucky to San Juan?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Kentucky with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to San Juan?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$163 CHEAP FLIGHTS from Kentucky to San Juan (SJU)

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Flight Deals

Cheap Flights from Kentucky to Luis Munoz Marin Intl

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Kentucky to Luis Munoz Marin Intl

Mon, Jan 11 - Thu, Jan 21

8:41 pm - 8:35 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

22h 54m1 stop Fort Lauderdale

6:00 am - 5:58 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

12h 58m1 stop Fort Lauderdale

$274Multiple Airlines

Mon, Jan 11 - Thu, Jan 21

8:41 pm - 8:35 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

22h 54m1 stop Fort Lauderdale

3:48 pm - 9:49 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

19h 01m2 stops Atlanta Hartsfield-Jackson Fort Lauderdale

$301Multiple Airlines

Fri, Jan 22 - Thu, Jan 28

7:00 am - 11:59 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

15h 59m1 stop Philadelphia

2:36 pm - 9:59 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

8h 23m1 stop Philadelphia

$416American Airlines

Tue, Apr 13 - Tue, Apr 20

7:18 am - 8:51 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

13h 33m1 stop Charlotte Douglas

11:38 am - 7:02 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

7h 24m1 stop Charlotte Douglas

$416American Airlines

Thu, Dec 3 - Wed, Dec 9

12:55 pm - 12:50 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

10h 55m1 stop Orlando

12:30 pm - 9:55 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

10h 25m1 stop Orlando

$416Southwest

Sat, Dec 12 - Wed, Dec 16

1:40 pm - 8:25 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

5h 45m1 stop Orlando

12:30 pm - 8:40 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 10m2 stops Orlando Nashville Intl

$416Southwest

Sun, Jan 10 - Tue, Jan 19

5:40 am - 2:54 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

8h 14m1 stop Atlanta Hartsfield-Jackson

6:35 pm - 11:59 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

6h 24m1 stop Atlanta Hartsfield-Jackson

$416Delta

Tue, Apr 13 - Tue, Apr 20

7:05 am - 3:42 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

8h 37m1 stop Houston George Bush Intcntl

7:20 am - 8:14 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

12h 54m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$416United Airlines

Wed, Dec 9 - Sat, Dec 12

6:15 am - 2:40 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

7h 25m1 stop Newark

2:05 am - 1:24 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

12h 19m2 stops Newark Chicago O'Hare Intl

$416United Airlines

Sat, Jan 23 - Sat, Jan 30

1:10 pm - 11:58 pmLEX Lexington Blue Grass-SJU San Juan Luis Munoz Marin Intl

9h 48m1 stop Atlanta Hartsfield-Jackson

6:30 am - 12:23 pmSJU San Juan Luis Munoz Marin Intl-LEX Lexington Blue Grass

6h 53m1 stop Atlanta Hartsfield-Jackson

$426Delta

Recent last minute flight deals from Kentucky to Luis Munoz Marin Intl

Mon, Nov 9 - Mon, Nov 16

11:17 am - 9:38 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 21m2 stops Washington, D.C. Reagan-National Miami

7:05 am - 5:12 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

11h 07m1 stop Charlotte Douglas

$556American Airlines

Sat, Nov 7 - Wed, Nov 11

6:04 am - 3:03 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

7h 59m1 stop Charlotte Douglas

3:17 pm - 11:38 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 21m2 stops Miami Charlotte Douglas

$556American Airlines

Sat, Nov 7 - Wed, Nov 11

1:24 pm - 12:16 amSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 52m1 stop Dallas/Fort Worth

6:28 am - 3:17 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 49m1 stop Dallas/Fort Worth

$556American Airlines

Sun, Nov 8 - Wed, Nov 11

9:09 pm - 11:59 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

25h 50m1 stop Tampa

7:15 am - 8:29 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

38h 14m2 stops Philadelphia Tampa

$564Multiple Airlines

Sun, Nov 8 - Wed, Nov 11

7:05 am - 5:50 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 45m2 stops Nashville Intl Orlando

12:30 pm - 8:40 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

9h 10m2 stops Orlando Nashville Intl

$592Southwest

Thu, Nov 5 - Sun, Nov 8

8:45 am - 8:50 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

11h 05m2 stops Chicago Midway Orlando

6:05 am - 11:10 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

6h 05m1 stop Tampa

$628Southwest

Thu, Nov 5 - Sun, Nov 8

5:40 am - 1:30 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

6h 50m1 stop Baltimore/Washington

5:35 am - 11:30 amSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

6h 55m1 stop Orlando

$628Southwest

Mon, Nov 9 - Wed, Nov 11

7:00 am - 3:40 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

7h 40m1 stop Chicago O'Hare Intl

1:00 pm - 8:34 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

8h 34m1 stop Newark

$656United Airlines

Mon, Nov 9 - Wed, Nov 11

5:10 am - 3:40 pmSDF Louisville Intl-SJU San Juan Luis Munoz Marin Intl

9h 30m1 stop Chicago O'Hare Intl

8:05 am - 2:47 pmSJU San Juan Luis Munoz Marin Intl-SDF Louisville Intl

7h 42m1 stop Washington, D.C. Dulles Intl

$656United Airlines

Fri, Nov 6 - Mon, Nov 9

12:44 pm - 11:18 pmLEX Lexington Blue Grass-SJU San Juan Luis Munoz Marin Intl

9h 34m1 stop Atlanta Hartsfield-Jackson

3:20 pm - 9:18 pmSJU San Juan Luis Munoz Marin Intl-LEX Lexington Blue Grass

6h 58m1 stop Detroit Metropolitan Wayne County

$751Delta

Useful Info

Low season	September
High season	December
Cheapest flight	$163

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 18% increase in price.

Flight from Louisville to San Juan

How does KAYAK find such low prices on flights from Kentucky to San Juan?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to San Juan.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to San Juan?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Kentucky to San Juan?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Juan with an airline and back to Kentucky with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to San Juan?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.