$192+ Cheap flights from Louisville (SDF) to Luis Munoz Marin Intl (SJU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJU
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Luis Munoz Marin Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to Luis Munoz Marin Intl
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Best
Last-minute
One-way
Cheapest flights from Louisville to Luis Munoz Marin IntlExplore the most affordable flight options available from Louisville to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Louisville to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/226:00 am -
1 stop29h 06m
Deal found 10/23![Multiple Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/69:09 pm -
2 stops26h 58m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:12 pm -
2 stops50h 25m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:25 am -
2 stops33h 12m
Sun 12/136:25 am -
1 stop30h 23m
Deal found 10/23![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:08 pm -
1 stop19h 11m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/23![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Fri 11/133:55 pm -
2 stops24h 31m
Deal found 10/25![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:12 pm -
1 stop29h 14m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/22![Multiple Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:10 pm -
1 stop18h 41m
Wed 12/910:03 pm -
2 stops38h 45m
Deal found 10/23![Multiple Airlines logo]()
$377
Best flights from Louisville to Luis Munoz Marin IntlDiscover carefully curated flight deals from Louisville to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Louisville to Luis Munoz Marin Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/277:03 am -
1 stop8h 33m
Fri 3/52:05 am -
2 stops12h 18m
Deal found 10/24![United Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:50 am -
1 stop10h 10m
Sat 11/145:40 am -
1 stop11h 20m
Deal found 10/20![Southwest logo]()
$486
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/318:45 am -
2 stops11h 39m
Sat 1/168:05 am -
2 stops11h 24m
Deal found 10/22![United Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/308:00 am -
2 stops9h 00m
Mon 2/82:45 pm -
2 stops10h 10m
Deal found 10/21![Southwest logo]()
$511
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/122:05 pm -
1 stop9h 31m
Tue 12/157:40 am -
2 stops14h 20m
Deal found 10/22![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/127:00 am -
2 stops13h 24m
Wed 1/208:05 am -
2 stops11h 24m
Deal found 10/24![United Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/262:15 pm -
2 stops9h 15m
Sat 3/67:30 am -
2 stops9h 40m
Deal found 10/23![Southwest logo]()
$577
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/109:00 am -
2 stops12h 22m
Mon 12/148:05 am -
2 stops13h 55m
Deal found 10/22![United Airlines logo]()
$555
This Southwest deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/145:30 am -
2 stops10h 05m
Thu 3/189:55 pm -
1 stop12h 50m
Deal found 10/24![Southwest logo]()
$612
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals ”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:02 am -
2 stops12h 20m
Mon 12/142:05 am -
2 stops12h 19m
Deal found 10/23![United Airlines logo]()
$586
This United Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:10 am -
2 stops16h 12m
Tue 11/102:05 am -
2 stops21h 25m
Deal found 10/23![United Airlines logo]()
$637
Last-minute flights from Louisville to Luis Munoz Marin IntlDiscover last-minute flight deals from Louisville to Luis Munoz Marin Intl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Luis Munoz Marin Intl. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:08 pm -
1 stop19h 11m
Wed 12/95:01 am -
2 stops12h 31m
Deal found 10/23![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Fri 11/133:55 pm -
2 stops24h 31m
Deal found 10/25![Multiple Airlines logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/159:52 pm -
2 stops19h 40m
Deal found 10/23![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:53 pm -
1 stop19h 26m
Tue 12/226:00 am -
1 stop29h 06m
Deal found 10/23![Multiple Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:04 am -
2 stops11h 01m
Wed 11/252:29 pm -
1 stop9h 45m
Deal found 10/21![American Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/259:10 pm -
1 stop18h 41m
Wed 12/910:03 pm -
2 stops38h 45m
Deal found 10/23![Multiple Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:16 am -
1 stop7h 06m
Wed 12/93:11 pm -
1 stop9h 48m
Deal found 10/21![American Airlines logo]()
$405
This American Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:16 am -
1 stop7h 06m
Thu 12/106:28 am -
1 stop12h 44m
Deal found 10/22![American Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:21 pm -
1 stop14h 20m
Sat 12/57:20 am -
1 stop12h 36m
Deal found 10/21![American Airlines logo]()
$400
One-way flights from Louisville to Luis Munoz Marin IntlSearch for one-way flight options from Louisville to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Louisville to Luis Munoz Marin Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/144:40 pm -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Southwest logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/149:09 pm -
2 stops28h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:04 am -
1 stop13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![American Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/97:52 pm -
1 stop14h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$208
This Kiwi.com deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:25 am -
3 stops57h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:06 pm -
2 stops33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$219
This Southwest deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:10 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:06 pm -
3 stops22h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$236
Find flight deals from Louisville to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Kiwi.com) |
One-way from | $192 (Southwest) |
Popular in | March |
Cheapest in | April |
Average price | $421 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to Luis Munoz Marin Intl 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, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Louisville to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 1/14
9:09 pm-2:11 am
2 stops28h 02m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$193
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 1/14
1:41 pm-12:36 am
1 stop9h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 4/9
7:52 pm-10:48 am
1 stop14h 56m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
Quickest round-trip
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Sat 11/21
1:45 pm-12:36 am
1 stop9h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$208
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 11/10
11:10 am-10:25 pm
1 stop10h 15m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$224
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Thu 11/12
7:00 am-10:22 pm
2 stops14h 22m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$242
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 11/13
10:27 am-10:22 pm
2 stops10h 55m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$242
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 12/29
7:44 am-11:09 pm
1 stop14h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$263
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Tue 11/3
1:45 pm-12:36 am
1 stop9h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$278
LouisvilleSan Juan
SDF Louisville Intl - SJU San Juan Luis Munoz Marin Intl
SDFSJU
Louisville Intl
Fri 12/4
10:25 am-12:36 am
2 stops13h 11m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$313
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Louisville to Luis Munoz Marin Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Luis Munoz Marin Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Louisville to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Louisville with our price prediction graph.
SDF-SJU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Louisville to San Juan Luis Munoz Marin Intl Airport
Prices
More
How far ahead should I book a flight from Louisville to San Juan Luis Munoz Marin Intl Airport?
The price you pay for your flight from Louisville to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Louisville to San Juan Luis Munoz Marin Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Louisville to San Juan Luis Munoz Marin Intl Airport (average of $384). Flying from Louisville to San Juan Luis Munoz Marin Intl Airport in March is currently the most expensive (average of $570). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Louisville to San Juan Luis Munoz Marin Intl Airport?
Airfare is below average for this route at the moment.
Louisville to San Juan Luis Munoz Marin Intl Airport flights typically cost between $366 and $489 in November.The cheapest round-trip price found within the last 5 days was $296 on Multiple Airlines (Nov 16-Dec 15).
What’s the top layover airport for flights from Louisville to San Juan Luis Munoz Marin Intl Airport?
Share of 1-stop round-trip flights from Louisville to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Washington, D.C. (IAD) – chosen by Cheapflights users on 67% of 1-stop itineraries from Louisville to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Louisville to San Juan Luis Munoz Marin Intl Airport?
Average round-trip fare for 1-stop flights from Louisville to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Washington, D.C. (IAD) is the most affordable 1-stop option, with an average round-trip price of $327.
What’s the fastest layover option from Louisville to San Juan Luis Munoz Marin Intl Airport?
Shortest average travel time for 1-stop one-way flights from Louisville to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Charlotte (CLT) have the shortest average one-way travel time for 1-stop routes: 6h 13m.
Which airport typically offers the quickest layover for flights from Louisville to San Juan Luis Munoz Marin Intl Airport?
Average layover duration for 1-stop one-way flights from Louisville to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 03m.
Reviews of airlines servicing Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated October 25, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Louisville to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Food
7.0
Comfort
8.0
Boarding
8.1
Overall
7.9
Entertainment
7.4
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from Louisville to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Juan Luis Munoz Marin Intl Airport?
Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locationsLuquillo
Rio Grande
Fajardo
Dorado
Humacao
Bayamón
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Top 4 airlines flying from Louisville to Luis Munoz Marin Intl
Discover the top 4 airlines that operate flights from Louisville to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$225 | Average$471 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$246 | Average$475 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$270 | Average$472 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$326 | Average$502 | FlexibilityNo cancel fee | On-time63% |