$121+ Cheap flights from San Juan to Louisville (SDF)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SDF
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Find cheap flights from San Juan to Louisville with Cheapflights
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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
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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 San Juan to Louisville
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Cheapest flights from San Juan to LouisvilleExplore the most affordable flight options available from San Juan to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from San Juan to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/6. 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 10/315:25 am
SJU
- SDF
2 stops10h 33m
American Airlines
Sat 11/77:31 pm
SDF
- SJU
1 stop16h 33m
American Airlines
Deal found 3/6![American Airlines logo]()
$281
This American Airlines deal was found by Cheapflights users on 3/6. 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 8/2710:32 am
SJU
- SDF
1 stop13h 58m
American Airlines
Fri 9/49:59 am
SDF
- SJU
1 stop13h 42m
American Airlines
Deal found 3/6![American Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/265:00 am
SJU
- SDF
1 stop10h 03m
American Airlines
Tue 3/316:06 am
SDF
- SJU
1 stop16h 52m
American Airlines
Deal found 3/6![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/307:54 pm
SJU
- SDF
1 stop15h 53m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
1 stop14h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$383
This American Airlines deal was found by Cheapflights users on 3/9. 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 9/172:05 pm
SJU
- SDF
1 stop9h 53m
American Airlines
Sun 9/206:46 am
SDF
- SJU
1 stop5h 54m
American Airlines
Deal found 3/9![American Airlines logo]()
$404
This American Airlines deal was found by Cheapflights users on 3/9. 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 7/2312:59 am
SJU
- SDF
1 stop17h 42m
American Airlines
Mon 7/273:39 pm
SDF
- SJU
1 stop7h 20m
American Airlines
Deal found 3/9![American Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/21:45 am
SJU
- SDF
1 stop9h 29m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
2 stops35h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 3/7. 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 3/257:40 am
SJU
- SDF
1 stop16h 47m
American Airlines
Sun 3/295:00 am
SDF
- SJU
1 stop16h 53m
American Airlines
Deal found 3/7![American Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/251:45 am
SJU
- SDF
2 stops12h 48m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
1 stop14h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$419
Best flights from San Juan to LouisvilleDiscover carefully curated flight deals from San Juan to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from San Juan to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/6. 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 8/2710:32 am
SJU
- SDF
2 stops12h 15m
American Airlines
Fri 9/49:59 am
SDF
- SJU
1 stop13h 42m
American Airlines
Deal found 3/6![American Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:30 pm
SJU
- SDF
1 stop6h 27m
Delta
Sun 3/295:35 pm
SDF
- SJU
1 stop5h 41m
Delta
Deal found 3/8![Delta logo]()
$433
This Southwest deal was found by Cheapflights users on 3/9. 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 7/215:00 am
SJU
- SDF
1 stop7h 25m
Southwest
Thu 7/2310:45 am
SDF
- SJU
1 stop13h 30m
Southwest
Deal found 3/9![Southwest logo]()
$436
This Faresmojo deal was found by Cheapflights users on 3/8. 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 Faresmojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:00 pm
SJU
- SDF
1 stop9h 32m
JetBlue
Sat 3/286:00 am
SDF
- SJU
1 stop5h 47m
JetBlue
Deal found 3/8![JetBlue logo]()
$476
This Mytrip deal was found by Cheapflights users on 3/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2612:05 pm
SJU
- SDF
3 stops23h 09m
Spirit Airlines
Mon 3/3012:09 pm
SDF
- SJU
3 stops35h 49m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$522
This United Airlines deal was found by Cheapflights users on 3/5. 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 5/147:40 am
SJU
- SDF
1 stop14h 50m
United Airlines
Sun 5/176:17 am
SDF
- SJU
1 stop7h 28m
United Airlines
Deal found 3/5![United Airlines logo]()
$566
This Southwest deal was found by Cheapflights users on 3/9. 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 7/247:00 am
SJU
- SDF
2 stops9h 25m
Southwest
Mon 7/276:05 pm
SDF
- SJU
2 stops7h 15m
Southwest
Deal found 3/9![Southwest logo]()
$456
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/11:23 pm
SJU
- SDF
1 stop10h 36m
American Airlines
Sun 4/56:12 pm
SDF
- SJU
1 stop10h 12m
American Airlines
Deal found 3/5![American Airlines logo]()
$567
Last-minute flights from San Juan to LouisvilleDiscover last-minute flight deals from San Juan to Louisville. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Juan to Louisville. Data last updated March 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/7. 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 3/257:40 am
SJU
- SDF
1 stop16h 47m
American Airlines
Sun 3/295:00 am
SDF
- SJU
1 stop16h 53m
American Airlines
Deal found 3/7![American Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/251:45 am
SJU
- SDF
2 stops12h 48m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
1 stop14h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/255:30 pm
SJU
- SDF
1 stop6h 27m
Delta
Sun 3/295:35 pm
SDF
- SJU
1 stop5h 41m
Delta
Deal found 3/8![Delta logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/251:45 am
SJU
- SDF
2 stops12h 48m
Spirit Airlines
Mon 3/3012:09 pm
SDF
- SJU
1 stop20h 44m
Spirit Airlines
Deal found 3/9![Spirit Airlines logo]()
$449
This Mytrip deal was found by Cheapflights users on 3/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/251:45 am
SJU
- SDF
2 stops12h 48m
Spirit Airlines
Tue 3/3112:42 pm
SDF
- SJU
2 stops21h 28m
Spirit Airlines
Deal found 3/6![Spirit Airlines logo]()
$455
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/265:00 am
SJU
- SDF
1 stop10h 03m
American Airlines
Tue 3/316:06 am
SDF
- SJU
1 stop16h 52m
American Airlines
Deal found 3/6![American Airlines logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/307:54 pm
SJU
- SDF
1 stop15h 53m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
1 stop14h 36m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/21:45 am
SJU
- SDF
1 stop9h 29m
Multiple Airlines
Mon 4/69:13 pm
SDF
- SJU
2 stops35h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$409
One-way flights from San Juan to LouisvilleSearch for one-way flight options from San Juan to Louisville. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from San Juan to Louisville. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/156:00 am
SJU
- SDF
1 stop16h 31m
American Airlines
Deal found 3/5![American Airlines logo]()
$121
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2412:55 pm
SJU
- SDF
1 stop11h 04m
Delta
Deal found 3/5![Delta logo]()
$123
This American Airlines deal was found by Cheapflights users on 3/8. 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 8/2110:32 am
SJU
- SDF
1 stop13h 58m
American Airlines
Deal found 3/8![American Airlines logo]()
$138
This American Airlines deal was found by Cheapflights users on 3/5. 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 8/2510:32 am
SJU
- SDF
1 stop13h 58m
American Airlines
Deal found 3/5![American Airlines logo]()
$151
This OneTravel deal was found by Cheapflights users on 3/7. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:54 pm
SJU
- SDF
1 stop15h 53m
Spirit Airlines
Deal found 3/7![Spirit Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/243:44 pm
SJU
- SDF
2 stops21h 01m
American Airlines
Deal found 3/5![American Airlines logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Tue 8/252:50 pm
SJU
- SDF
1 stop17h 46m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$175
This American Airlines deal was found by Cheapflights users on 3/6. 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 3/265:00 am
SJU
- SDF
1 stop10h 03m
American Airlines
Deal found 3/6![American Airlines logo]()
$178
Find flight deals from San Juan to Louisville
Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) to Louisville (SDF). 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 March 10, 2026.
Round-trip from | $316 (American Airlines) |
|---|---|
One-way from | $121 (American Airlines) |
Popular in | June |
Cheapest in | October |
Average price | $376 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Juan to Louisville 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 2,558,603 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from San Juan to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 8/27
10:32 am-10:47 pm
2 stops12h 15m
Louisville Intl
Fri 9/4
9:59 am-11:41 pm
1 stop13h 42m
$356
Quickest round-trip
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/25
5:30 pm-11:57 pm
1 stop6h 27m
Louisville Intl
Sun 3/29
5:35 pm-11:16 pm
1 stop5h 41m
$433
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Tue 7/21
5:00 am-12:25 pm
1 stop7h 25m
Louisville Intl
Thu 7/23
10:45 am-12:15 am
1 stop13h 30m
$436
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Fri 7/24
7:00 am-4:25 pm
2 stops9h 25m
Louisville Intl
Mon 7/27
6:05 pm-1:20 am
2 stops7h 15m
$456
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 3/25
1:00 pm-10:32 pm
1 stop9h 32m
Louisville Intl
Sat 3/28
6:00 am-11:47 am
1 stop5h 47m
$476
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 3/26
12:05 pm-11:14 am
3 stops23h 09m
Louisville Intl
Mon 3/30
12:09 pm-11:58 pm
3 stops35h 49m
$522
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Thu 5/14
7:40 am-10:30 pm
1 stop14h 50m
Louisville Intl
Sun 5/17
6:17 am-1:45 pm
1 stop7h 28m
$566
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Wed 4/1
1:23 pm-11:59 pm
1 stop10h 36m
Louisville Intl
Sun 4/5
6:12 pm-4:24 am
1 stop10h 12m
$567
Cheapest one-way
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Fri 4/24
12:55 pm-11:59 pm
1 stop11h 04m
$123
San JuanLouisville
SJU - SDF
SJUSDF
San Juan Luis Munoz Marin Intl
Fri 8/21
10:32 am-12:30 am
1 stop13h 58m
$138
Showing 1-10 of 18 resultsSorted by cheapest first
Best time to book a flight from San Juan to Louisville
Have a flexible travel schedule? Discover the best time to fly to Louisville from San Juan with our price prediction graph.
PR1-SDF
SJU-SDF
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 San Juan to Louisville
PR1-SDF
SJU-SDF
What is the cheapest month to book a flight from San Juan to Louisville?
Currently, January is the cheapest month in which you can book a flight from San Juan to Louisville (average of $113). Flying from San Juan to Louisville in June is currently the most expensive (average of $251). 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.
Reviews of airlines servicing Louisville
Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from San Juan to Louisville, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Comfort
8.0
Boarding
8.1
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Related info for your journey
Find useful and relevant information for your journey from San Juan to Louisville. 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 Louisville?
Book flights to Louisville if you plan to visit one of these locationsShepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown
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Alternative routes for San Juan to Louisville
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Complete your trip
Complete your trip to Louisville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Juan to Louisville by cabin class
Find flights from San Juan to Louisville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Louisville
Explore flights to Louisville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
San Juan and Louisville flights
Browse other San Juan and Louisville flight options. Last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from San Juan to Louisville
Discover the top 4 airlines that operate flights from San Juan to Louisville. 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 2,558,603 searches. Data last updated March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$205 | Average$398 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$385 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$226 | Average$400 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$494 | FlexibilityNo cancel fee | On-time69% |