$187+ Cheap flights from Louisville (SDF) to San José (SJO)
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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Jun 9 — Jun 161
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to San José 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 San José
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to San JoséExplore the most affordable flight options available from Louisville to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
Explore the most affordable flight options available from Louisville to San José. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/10. 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 10/35:56 pm
SDF
- SJO
2 stops19h 09m
American Airlines
Fri 10/92:45 pm
SJO
- SDF
2 stops20h 00m
American Airlines
Deal found 5/10![American Airlines logo]()
$483
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 7/277:49 pm
SDF
- SJO
1 stop20h 48m
American Airlines
Fri 8/71:29 pm
SJO
- SDF
1 stop7h 48m
American Airlines
Deal found 5/6![American Airlines logo]()
$487
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 9/16:30 am
SDF
- SJO
1 stop15h 22m
American Airlines
Tue 9/82:52 pm
SJO
- SDF
2 stops17h 44m
American Airlines
Deal found 5/6![American Airlines logo]()
$508
This American Airlines deal was found by Cheapflights users on 5/7. 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 8/266:49 am
SDF
- SJO
1 stop9h 03m
American Airlines
Sun 8/3012:59 pm
SJO
- SDF
1 stop8h 13m
American Airlines
Deal found 5/7![American Airlines logo]()
$511
This American Airlines deal was found by Cheapflights users on 5/10. 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 9/96:46 am
SDF
- SJO
1 stop13h 44m
American Airlines
Sun 9/131:05 pm
SJO
- SDF
2 stops19h 31m
American Airlines
Deal found 5/10![American Airlines logo]()
$516
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:30 am
SDF
- SJO
1 stop12h 07m
United Airlines
Fri 5/2911:13 am
SJO
- SDF
1 stop9h 02m
United Airlines
Deal found 5/8![United Airlines logo]()
$534
Best flights from Louisville to San JoséDiscover carefully curated flight deals from Louisville to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
Discover carefully curated flight deals from Louisville to San José that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/10. 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 10/35:56 pm
SDF
- SJO
2 stops19h 09m
American Airlines
Fri 10/92:45 pm
SJO
- SDF
2 stops20h 00m
American Airlines
Deal found 5/10![American Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:30 am
SDF
- SJO
1 stop12h 07m
United Airlines
Fri 5/2911:13 am
SJO
- SDF
1 stop9h 02m
United Airlines
Deal found 5/8![United Airlines logo]()
$534
This Copa Airlines deal was found by Cheapflights users on 5/9. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/19:00 am
SDF
- SJO
2 stops24h 09m
Copa Airlines
Mon 6/225:57 pm
SJO
- SDF
2 stops14h 26m
Copa Airlines
Deal found 5/9![Copa Airlines logo]()
$617
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 7/277:49 pm
SDF
- SJO
1 stop20h 48m
American Airlines
Fri 8/71:29 pm
SJO
- SDF
2 stops18h 56m
American Airlines
Deal found 5/6![American Airlines logo]()
$492
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 6/17:38 am
SDF
- SJO
2 stops13h 46m
American Airlines
Mon 6/223:08 pm
SJO
- SDF
2 stops18h 19m
American Airlines
Deal found 5/6![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/303:41 pm
SDF
- SJO
1 stop8h 58m
United Airlines
Tue 7/77:55 am
SJO
- SDF
1 stop10h 06m
United Airlines
Deal found 5/8![United Airlines logo]()
$601
This American Airlines deal was found by Cheapflights users on 5/10. 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 9/96:46 am
SDF
- SJO
1 stop6h 19m
American Airlines
Sun 9/137:00 am
SJO
- SDF
1 stop14h 58m
American Airlines
Deal found 5/10![American Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:15 am
SDF
- SJO
1 stop8h 06m
United Airlines
Mon 6/2212:30 am
SJO
- SDF
1 stop9h 24m
United Airlines
Deal found 5/7![United Airlines logo]()
$651
This United Airlines deal was found by Cheapflights users on 5/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:15 am
SDF
- SJO
1 stop8h 06m
United Airlines
Fri 7/1712:30 am
SJO
- SDF
1 stop9h 24m
United Airlines
Deal found 5/9![United Airlines logo]()
$659
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 6/307:18 pm
SDF
- SJO
2 stops19h 40m
American Airlines
Tue 7/72:00 pm
SJO
- SDF
1 stop8h 34m
American Airlines
Deal found 5/8![American Airlines logo]()
$614
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Sun 6/286:15 am
SDF
- SJO
1 stop18h 24m
United Airlines
Sat 7/412:30 am
SJO
- SDF
2 stops14h 33m
United Airlines
Deal found 5/10![United Airlines logo]()
$671
Last-minute flights from Louisville to San JoséDiscover last-minute flight deals from Louisville to San José. Data last updated May 10, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San José. Data last updated May 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 5/75:41 pm
SDF
- SJO
2 stops19h 26m
American Airlines
Sun 5/1711:35 pm
SJO
- SDF
1 stop8h 40m
American Airlines
Deal found 5/7![American Airlines logo]()
$584
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 5/89:43 am
SDF
- SJO
2 stops11h 24m
American Airlines
Fri 5/1511:35 pm
SJO
- SDF
2 stops14h 03m
American Airlines
Deal found 5/7![American Airlines logo]()
$579
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:15 am
SDF
- SJO
1 stop12h 22m
United Airlines
Fri 5/157:55 am
SJO
- SDF
1 stop10h 05m
United Airlines
Deal found 5/7![United Airlines logo]()
$574
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:30 am
SDF
- SJO
1 stop6h 40m
Southwest
Thu 5/149:00 am
SJO
- SDF
2 stops12h 45m
Southwest
Deal found 5/8![Southwest logo]()
$581
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Fri 5/224:02 pm
SDF
- SJO
1 stop8h 40m
American Airlines
Thu 5/2811:59 pm
SJO
- SDF
1 stop17h 01m
American Airlines
Deal found 5/7![American Airlines logo]()
$588
This United Airlines deal was found by Cheapflights users on 5/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:30 am
SDF
- SJO
1 stop12h 07m
United Airlines
Fri 5/2911:13 am
SJO
- SDF
1 stop9h 02m
United Airlines
Deal found 5/8![United Airlines logo]()
$534
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Sat 5/2310:47 am
SDF
- SJO
2 stops13h 55m
American Airlines
Fri 5/296:00 am
SJO
- SDF
2 stops15h 08m
American Airlines
Deal found 5/8![American Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 6/17:38 am
SDF
- SJO
2 stops13h 46m
American Airlines
Mon 6/223:08 pm
SJO
- SDF
2 stops18h 19m
American Airlines
Deal found 5/6![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/278:08 pm
SDF
- SJO
1 stop18h 50m
American Airlines
Sun 7/1211:41 pm
SJO
- SDF
1 stop17h 18m
American Airlines
Deal found 5/6![American Airlines logo]()
$572
One-way flights from Louisville to San JoséSearch for one-way flight options from Louisville to San José. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
Search for one-way flight options from Louisville to San José. Find affordable one-way fares based on user searches. Data last updated May 10, 2026.
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 9/218:04 pm
SDF
- SJO
2 stops17h 01m
American Airlines
Deal found 5/6![American Airlines logo]()
$187
This United Airlines deal was found by Cheapflights users on 5/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:10 am
SDF
- SJO
1 stop14h 27m
United Airlines
Deal found 5/7![United Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Mon 6/158:08 pm
SDF
- SJO
2 stops19h 00m
American Airlines
Deal found 5/7![American Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:05 pm
SDF
- SJO
3 stops44h 06m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$278
This Copa Airlines deal was found by Cheapflights users on 5/6. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/246:00 am
SDF
- SJO
2 stops28h 21m
Copa Airlines
Deal found 5/6![Copa Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 5/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/153:00 pm
SDF
- SJO
1 stop6h 40m
Southwest
Deal found 5/7![Southwest logo]()
$303
This United Airlines deal was found by Cheapflights users on 5/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:30 am
SDF
- SJO
1 stop15h 09m
United Airlines
Deal found 5/6![United Airlines logo]()
$306
This deal was found by Cheapflights users on 5/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:30 am
SDF
- SJO
1 stop12h 07m
United Airlines
Deal found 5/6![United Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 5/6. 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.
Sun 5/246:55 pm
SDF
- SJO
3 stops46h 23m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:09 pm
SDF
- SJO
3 stops44h 02m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$441
Find flight deals from Louisville to San José
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to San José (SJO). 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 May 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $483 (American Airlines) |
One-way from | $187 (American Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $455 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville to San José 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 May 10, 2026.
Use the filters below to find and compare flights from Louisville to San José that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Sat 10/3
5:56 pm-11:05 am
2 stops19h 09m
San José Juan Santamaria Intl
Fri 10/9
2:45 pm-12:45 pm
2 stops20h 00m
$483
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Mon 7/27
7:49 pm-2:37 pm
1 stop20h 48m
San José Juan Santamaria Intl
Fri 8/7
1:29 pm-10:25 am
2 stops18h 56m
$492
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Sat 5/23
9:30 am-7:37 pm
1 stop12h 07m
San José Juan Santamaria Intl
Fri 5/29
11:13 am-10:15 pm
1 stop9h 02m
$534
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Mon 6/1
7:38 am-7:24 pm
2 stops13h 46m
San José Juan Santamaria Intl
Mon 6/22
3:08 pm-11:27 am
2 stops18h 19m
$539
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Wed 9/9
6:46 am-11:05 am
1 stop6h 19m
San José Juan Santamaria Intl
Sun 9/13
7:00 am-11:58 pm
1 stop14h 58m
$568
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Tue 6/30
3:41 pm-10:39 pm
1 stop8h 58m
San José Juan Santamaria Intl
Tue 7/7
7:55 am-8:01 pm
1 stop10h 06m
$601
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Tue 6/30
7:18 pm-12:58 pm
2 stops19h 40m
San José Juan Santamaria Intl
Tue 7/7
2:00 pm-12:34 am
1 stop8h 34m
$614
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Mon 6/1
9:00 am-7:09 am
2 stops24h 09m
San José Juan Santamaria Intl
Mon 6/22
5:57 pm-10:23 am
2 stops14h 26m
$617
Quickest round-trip
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Wed 6/17
6:15 am-12:21 pm
1 stop8h 06m
San José Juan Santamaria Intl
Mon 6/22
12:30 am-11:54 am
1 stop9h 24m
$651
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Wed 7/15
6:15 am-12:21 pm
1 stop8h 06m
San José Juan Santamaria Intl
Fri 7/17
12:30 am-11:54 am
1 stop9h 24m
$659
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Louisville to San José
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 San José in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Louisville-San José flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San José flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San José flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Louisville-San José 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 José 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 San José
Have a flexible travel schedule? Discover the best time to fly to San José from Louisville with our price prediction graph.
SDF-SJO
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 José
How far ahead should I book a flight from Louisville to San José?
Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to San José. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Louisville to San José?
Currently, October is the cheapest month in which you can book a flight from Louisville to San José (average of $371). Flying from Louisville to San José in April is currently the most expensive (average of $783). 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 José?
Reviews of airlines servicing San José
Get insights into the airlines that provide service to San José. 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 San José. Reviews last updated May 10, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Louisville to San José by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.9
Overall
7.9
Entertainment
7.8
Crew
8.5
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Find useful and relevant information for your journey from Louisville to San José. 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 José?
Book flights to San José if you plan to visit one of these locationsAlajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio
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Louisville and San José flights
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Top 3 airlines flying from Louisville to San José
Discover the top 3 airlines that operate flights from Louisville to San José. 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 May 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$351 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$353 | Average$484 | FlexibilityNo cancel fee | On-time69% |