$234+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Aug 12 — Aug 191
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
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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 Louisville to San José
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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 July 13, 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 July 13, 2026.
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am
SDF
- SJO
1 stop7h 05m
Delta
Sat 11/147:00 am
SJO
- SDF
1 stop11h 01m
Delta
Deal found 7/9![Delta logo]()
$480
This Southwest deal was found by Cheapflights users on 7/9. 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.
Mon 9/287:55 am
SDF
- SJO
2 stops12h 45m
Southwest
Tue 9/299:00 am
SJO
- SDF
2 stops10h 30m
Southwest
Deal found 7/9![Southwest logo]()
$509
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Wed 9/21:14 pm
SJO
- SDF
1 stop9h 10m
Delta
Deal found 7/11![Delta logo]()
$515
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 9/95:48 pm
SDF
- SJO
2 stops20h 11m
American Airlines
Sun 9/132:57 pm
SJO
- SDF
2 stops18h 19m
American Airlines
Deal found 7/8![American Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 7/9. 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.
Wed 10/1412:50 pm
SDF
- SJO
1 stop8h 50m
Southwest
Sat 10/319:00 am
SJO
- SDF
1 stop9h 55m
Southwest
Deal found 7/9![Southwest logo]()
$524
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Tue 9/11:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 7/11. 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 8/196:00 am
SDF
- SJO
1 stop7h 49m
Delta
Wed 9/21:14 pm
SJO
- SDF
1 stop9h 10m
Delta
Deal found 7/11![Delta logo]()
$552
This Southwest deal was found by Cheapflights users on 7/12. 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 10/28:20 am
SDF
- SJO
2 stops13h 20m
Southwest
Tue 10/69:00 am
SJO
- SDF
1 stop10h 35m
Southwest
Deal found 7/12![Southwest logo]()
$563
This Delta deal was found by Cheapflights users on 7/11. 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 8/197:05 am
SDF
- SJO
1 stop6h 44m
Delta
Tue 9/11:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$573
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Fri 9/41:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$591
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 July 13, 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 July 13, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. 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.
Wed 9/95:59 pm
SDF
- SJO
2 stops20h 00m
American Airlines
Sun 9/131:00 pm
SJO
- SDF
1 stop8h 25m
American Airlines
Deal found 7/8![American Airlines logo]()
$589
This Southwest deal was found by Cheapflights users on 7/9. 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.
Thu 12/107:50 am
SDF
- SJO
1 stop6h 25m
Southwest
Fri 12/189:00 am
SJO
- SDF
2 stops13h 00m
Southwest
Deal found 7/9![Southwest logo]()
$610
This Copa Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 9/911:00 am
SDF
- SJO
2 stops24h 04m
Copa Airlines
Sun 9/135:55 pm
SJO
- SDF
2 stops14h 23m
Copa Airlines
Deal found 7/11![Copa Airlines logo]()
$627
This Delta deal was found by Cheapflights users on 7/12. 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 10/26:00 am
SDF
- SJO
1 stop7h 54m
Delta
Tue 10/61:23 pm
SJO
- SDF
1 stop7h 12m
Delta
Deal found 7/12![Delta logo]()
$649
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/177:25 am
SDF
- SJO
1 stop6h 56m
United Airlines
Tue 9/11:25 pm
SJO
- SDF
2 stops29h 11m
United Airlines
Deal found 7/11![United Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 7/11. 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 10/315:25 am
SDF
- SJO
1 stop8h 23m
United Airlines
Wed 11/48:45 am
SJO
- SDF
1 stop12h 13m
United Airlines
Deal found 7/11![United Airlines logo]()
$696
This Copa Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/19:00 am
SDF
- SJO
2 stops24h 10m
Copa Airlines
Sat 8/84:08 am
SJO
- SDF
2 stops14h 15m
Copa Airlines
Deal found 7/9![Copa Airlines logo]()
$701
Last-minute flights from Louisville to San JoséDiscover last-minute flight deals from Louisville to San José. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San José. Data last updated July 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Wed 9/21:14 pm
SJO
- SDF
1 stop9h 10m
Delta
Deal found 7/11![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Tue 9/11:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$536
This Delta deal was found by Cheapflights users on 7/11. 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.
Sun 8/166:00 am
SDF
- SJO
1 stop7h 49m
Delta
Fri 9/41:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$591
This Delta deal was found by Cheapflights users on 7/11. 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 8/196:00 am
SDF
- SJO
1 stop7h 49m
Delta
Wed 9/21:14 pm
SJO
- SDF
1 stop9h 10m
Delta
Deal found 7/11![Delta logo]()
$552
This Delta deal was found by Cheapflights users on 7/11. 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 8/197:05 am
SDF
- SJO
1 stop6h 44m
Delta
Sat 9/51:14 pm
SJO
- SDF
1 stop8h 55m
Delta
Deal found 7/11![Delta logo]()
$573
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/199:00 am
SDF
- SJO
2 stops12h 37m
United Airlines
Thu 9/37:55 am
SJO
- SDF
1 stop10h 04m
United Airlines
Deal found 7/11![United Airlines logo]()
$595
This American Airlines deal was found by Cheapflights users on 7/11. 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 8/196:11 am
SDF
- SJO
2 stops15h 42m
American Airlines
Thu 9/32:56 pm
SJO
- SDF
2 stops19h 53m
American Airlines
Deal found 7/11![American Airlines logo]()
$623
This Delta deal was found by Cheapflights users on 7/11. 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 8/196:00 am
SDF
- SJO
1 stop7h 49m
Delta
Fri 9/41:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$628
This Delta deal was found by Cheapflights users on 7/11. 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.
Thu 8/207:05 am
SDF
- SJO
1 stop6h 44m
Delta
Wed 9/21:14 pm
SJO
- SDF
1 stop9h 10m
Delta
Deal found 7/11![Delta logo]()
$621
This Delta deal was found by Cheapflights users on 7/11. 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.
Thu 8/206:00 am
SDF
- SJO
1 stop7h 49m
Delta
Sat 9/51:14 pm
SJO
- SDF
1 stop8h 55m
Delta
Deal found 7/11![Delta logo]()
$642
This Delta deal was found by Cheapflights users on 7/11. 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 8/216:00 am
SDF
- SJO
1 stop7h 49m
Delta
Sun 9/61:14 pm
SJO
- SDF
1 stop8h 55m
Delta
Deal found 7/11![Delta logo]()
$594
This Delta deal was found by Cheapflights users on 7/11. 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 8/217:05 am
SDF
- SJO
1 stop6h 44m
Delta
Fri 9/41:14 pm
SJO
- SDF
1 stop9h 20m
Delta
Deal found 7/11![Delta logo]()
$649
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 July 13, 2026.
Search for one-way flight options from Louisville to San José. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Delta deal was found by Cheapflights users on 7/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:05 am
SDF
- SJO
1 stop6h 49m
Delta
Deal found 7/9![Delta logo]()
$234
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:50 am
SDF
- SJO
2 stops9h 50m
Southwest
Deal found 7/10![Southwest logo]()
$255
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Tue 8/117:25 am
SDF
- SJO
1 stop6h 56m
United Airlines
Deal found 7/10![United Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/19:03 pm
SDF
- SJO
1 stop13h 17m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$259
This Copa Airlines deal was found by Cheapflights users on 7/10. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:00 am
SDF
- SJO
2 stops30h 54m
Copa Airlines
Deal found 7/10![Copa Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/9. 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.
Mon 9/217:27 pm
SDF
- SJO
2 stops19h 32m
American Airlines
Deal found 7/9![American Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 8/38:28 pm
SDF
- SJO
2 stops44h 43m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$300
This Southwest deal was found by Cheapflights users on 7/11. 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 8/33:00 pm
SDF
- SJO
1 stop6h 40m
Southwest
Deal found 7/11![Southwest logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 7/11. 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 7/318:24 pm
SDF
- SJO
3 stops37h 56m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 7/11. 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 8/29:30 am
SDF
- SJO
1 stop15h 09m
United Airlines
Deal found 7/11![United Airlines logo]()
$318
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 July 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $480 (Delta) |
One-way from | $209 (American Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $736 |
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 July 13, 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
Wed 9/9
5:59 pm-11:59 am
2 stops20h 00m
San José Juan Santamaria Intl
Sun 9/13
1:00 pm-11:25 pm
1 stop8h 25m
$589
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Thu 12/10
7:50 am-1:15 pm
1 stop6h 25m
San José Juan Santamaria Intl
Fri 12/18
9:00 am-11:00 pm
2 stops13h 00m
$610
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Wed 9/9
11:00 am-9:04 am
2 stops24h 04m
San José Juan Santamaria Intl
Sun 9/13
5:55 pm-10:18 am
2 stops14h 23m
$627
Quickest round-trip
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Fri 10/2
6:00 am-11:54 am
1 stop7h 54m
San José Juan Santamaria Intl
Tue 10/6
1:23 pm-10:35 pm
1 stop7h 12m
$649
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Mon 8/17
7:25 am-12:21 pm
1 stop6h 56m
San José Juan Santamaria Intl
Tue 9/1
1:25 pm-8:36 pm
2 stops29h 11m
$683
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Sat 10/31
5:25 am-11:48 am
1 stop8h 23m
San José Juan Santamaria Intl
Wed 11/4
8:45 am-9:58 pm
1 stop12h 13m
$696
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Sat 8/1
9:00 am-7:10 am
2 stops24h 10m
San José Juan Santamaria Intl
Sat 8/8
4:08 am-8:23 pm
2 stops14h 15m
$701
Cheapest one-way
Quickest one-way
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Thu 9/24
7:05 am-11:54 am
1 stop6h 49m
$234
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Tue 8/11
7:25 am-12:21 pm
1 stop6h 56m
$258
LouisvilleSan José
SDF - SJO
SDFSJO
Louisville Intl
Wed 7/22
9:00 am-1:54 pm
2 stops30h 54m
$277
Showing 1-10 of 12 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 July.
| 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 | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Louisville-San José flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Louisville-San José flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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 49 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, February is the cheapest month in which you can book a flight from Louisville to San José (average of $399). 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 July 13, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited 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.
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
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
Jacó
Heredia
Dominical
Manuel Antonio
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Top 4 airlines flying from Louisville to San José
Discover the top 4 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 July 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$508 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$461 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$549 | Average$736 | FlexibilityNo cancel fee | On-time63% |