SDF - SJU

$124 Find Cheap Flights from Louisville to San Juan - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$222
Typical prices: $362-$588
Multiple Airlines
Fri 11/16Mon 12/10
SDF - SJU • 1 stop
Cheapest one-way
$124
Typical prices: $171-$287
Multiple Airlines
Mon 11/12
SDF - SJU • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Louisville and San Juan Luis Munoz Marin Intl Airport. You'll need to take a connecting flight to reach the destination.
Insights
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When to book
20 weeks
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
April
Cheapest • 28% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $384 (round-trip)
Atlanta Hartsfield-Jackson (ATL)
Shortest trip • 6h 34m (one-way)
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Insights
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!

Cheap Flights from Louisville to San Juan (SDF-SJU)

 

Cheap flights from Louisville to San Juan with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 16 - Thu, Dec 10
Multiple Airlines Logo
6:53 pm - 3:19 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
19h 26m1 stop Fort Lauderdale
Multiple Airlines Logo
6:25 am - 11:48 amSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
30h 23m1 stop Fort Lauderdale
$222Multiple Airlines
Sun, Dec 6 - Thu, Dec 10
Multiple Airlines Logo
9:09 pm - 1:24 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
15h 15m1 stop Tampa
Multiple Airlines Logo
6:25 am - 11:48 amSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
30h 23m1 stop Fort Lauderdale
$242Multiple Airlines
Sat, Jan 30 - Mon, Feb 8
American Airlines Logo
6:00 am - 4:57 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
9h 57m1 stop Charlotte Douglas
American Airlines Logo
8:15 am - 9:59 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
14h 44m1 stop Philadelphia
$396American Airlines
Thu, Nov 26 - Thu, Dec 10
American Airlines Logo
6:16 am - 7:42 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
12h 26m1 stop Miami
American Airlines Logo
7:20 am - 5:32 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
11h 12m2 stops Miami Charlotte Douglas
$396American Airlines
Wed, Feb 3 - Sat, Feb 6
Southwest Logo
12:15 pm - 9:15 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
8h 00m1 stop Orlando
Southwest Logo
6:55 am - 3:00 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
9h 05m2 stops Tampa Nashville Intl
$396Southwest
Wed, Feb 3 - Sat, Feb 6
Southwest Logo
3:40 pm - 11:05 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
6h 25m1 stop Baltimore/Washington
Southwest Logo
4:05 pm - 9:45 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
6h 40m1 stop Orlando
$396Southwest
Fri, Feb 5 - Sat, Feb 13
Delta Logo
3:24 pm - 11:50 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
7h 26m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:30 am - 1:49 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
7h 19m1 stop Atlanta Hartsfield-Jackson
$396Delta
Sat, Dec 5 - Wed, Dec 9
United Airlines Logo
7:10 am - 9:24 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
13h 14m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
8:05 am - 2:51 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
7h 46m1 stop Washington, D.C. Dulles Intl
$396United Airlines
Fri, Jan 29 - Tue, Feb 2
United Airlines Logo
2:25 pm - 10:22 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
6h 57m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
7:40 am - 8:29 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
13h 49m2 stops Houston George Bush Intcntl Chicago O'Hare Intl
$396United Airlines
Mon, Nov 9 - Thu, Nov 19
Delta Logo
1:01 pm - 11:15 pmSDF  Louisville Intl-SJU San Juan Luis Munoz Marin Intl
9h 14m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:20 pm - 10:53 pmSJU  San Juan Luis Munoz Marin Intl-SDF Louisville Intl
7h 33m1 stop Atlanta Hartsfield-Jackson
$461Delta

Price, demand and travel trends for Louisville to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Louisville to San Juan Luis Munoz Marin Intl Airport?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Louisville to San Juan Luis Munoz Marin Intl Airport. It’s 4% cheaper than the average day, while Saturday is the most expensive, with prices 3% higher.

What’s the cheapest month to fly from Louisville to San Juan Luis Munoz Marin Intl Airport?

•April is the cheapest month to fly from Louisville to San Juan Luis Munoz Marin Intl Airport at $346 round-trip.
•December ($575) and March ($527) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 66% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Louisville to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Louisville to San Juan Luis Munoz Marin Intl Airport are cheapest 20 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Louisville to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$124
Beat the crowds with an average 48% drop in travelers.
The most popular month to fly with an average 32% increase in travelers.
One-way flight from Louisville to San Juan Luis Munoz Marin Intl Airport

When to book flights from Louisville to San Juan

Are your dates flexible? Find out the best times to travel from Louisville to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Louisville to San Juan Luis Munoz Marin Intl Airport?

    Two cabin classes are available on flights from Louisville to San Juan Luis Munoz Marin Intl Airport:

    • Economy Class
    • First Class

  • How long is a flight from Louisville to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Louisville to San Juan Luis Munoz Marin Intl Airport takes 00m, covering 1,807 miles.

  • Do I need a passport to fly from Louisville to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Louisville to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Louisville to San Juan Luis Munoz Marin Intl Airport range from $362 to $588, with an average of $481 over the past 12 months. Anything below $362 counts as a good deal.

  • How expensive are last-minute Louisville to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 23% above the $481 route average. Book 20 weeks before departure for the lowest fares.

  • Have flight prices from Louisville to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $222 to $1,669. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Louisville to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Louisville to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $177, which is 25% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • U-Save
    • Hertz
    • Payless
    • Europcar

  • Which airports can I use when flying from Louisville to San Juan Luis Munoz Marin Intl Airport?

    Flights from Louisville to San Juan Luis Munoz Marin Intl Airport usually depart from Louisville Intl (SDF) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airports do connecting flights from Louisville to San Juan Luis Munoz Marin Intl Airport pass through?

    One-stop flights from Louisville to San Juan Luis Munoz Marin Intl Airport most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 41% of one-stop connections
    • Orlando (MCO) - 15% of one-stop connections
    • Baltimore/Washington (BWI) - 13% of one-stop connections
    • Charlotte Douglas (CLT) - 11% of one-stop connections

  • Can I save money by using flexible dates for flights from Louisville to San Juan Luis Munoz Marin Intl Airport?

    Yes. Flexible dates can save you up to 7% on flights from Louisville to San Juan Luis Munoz Marin Intl Airport. Tuesday is the cheapest departure day at $465 round-trip on average, while Saturday is the most expensive at $500, a difference of $35.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Louisville to San Juan Luis Munoz Marin Intl Airport?

    Flying via Atlanta Hartsfield-Jackson (ATL) gives the shortest average 1-stop total travel time at 6h 34m, compared with 7h 07m via Baltimore/Washington (BWI) and 7h 08m via Washington, D.C. Dulles Intl (IAD).

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

Your guide to booking Louisville to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Saturday. On this route, Tuesday flights average $465, about $35 less than Saturday fares (7% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Louisville to San Juan Luis Munoz Marin Intl Airport trip for April. Fares historically average $346 round-trip in that month - typically $229 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.

    • Coral by The Sea Hotel
    • San Juan Airport Hotel
    • Hampton Inn & Suites by Hilton San Juan

More options for your flight from Louisville to San Juan

Complete your trip to San Juan with a hotel stay or car rental

Car rentals in San Juan
Hotels in San Juan
Vacations in San Juan