$233+ 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
Sep 22 — Sep 291
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 August 23, 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 August 23, 2026.
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Thu 9/247:27 pm -
2 stops18h 32m
Thu 10/12:57 pm -
2 stops16h 46m
Deal found 8/21![American Airlines logo]()
$473
This American Airlines deal was found by Cheapflights users on 8/18. 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 10/175:59 pm -
2 stops20h 01m
Sun 10/256:00 am -
2 stops16h 08m
Deal found 8/18![American Airlines logo]()
$478
This American Airlines deal was found by Cheapflights users on 8/19. 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 11/135:00 am -
1 stop9h 07m
Sat 11/212:46 pm -
1 stop8h 13m
Deal found 8/19![American Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:04 pm -
1 stop10h 13m
Tue 12/87:00 am -
1 stop13h 51m
Deal found 8/22![Delta logo]()
$495
This American Airlines deal was found by Cheapflights users on 8/18. 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 10/136:00 am -
1 stop10h 00m
Sun 10/186:00 am -
1 stop15h 39m
Deal found 8/18![American Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 8/18. 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 12/131:01 pm -
1 stop10h 14m
Sat 12/192:10 pm -
1 stop8h 52m
Deal found 8/18![Delta logo]()
$523
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 August 23, 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 August 23, 2026.
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/21:04 pm -
1 stop10h 13m
Tue 12/87:00 am -
1 stop13h 51m
Deal found 8/22![Delta logo]()
$495
This United Airlines deal was found by Cheapflights users on 8/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/247:00 am -
1 stop7h 22m
Thu 12/38:45 am -
1 stop9h 50m
Deal found 8/20![United Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:18 pm -
2 stops17h 42m
Sun 10/186:00 am -
2 stops16h 08m
Deal found 8/20![American Airlines logo]()
$553
This Copa Airlines deal was found by Cheapflights users on 8/18. 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.
Fri 11/139:17 am -
2 stops26h 42m
Sat 11/2110:03 am -
2 stops23h 31m
Deal found 8/18![Copa Airlines logo]()
$581
This Delta deal was found by Cheapflights users on 8/18. 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 12/131:01 pm -
1 stop10h 14m
Sat 12/192:10 pm -
1 stop8h 52m
Deal found 8/18![Delta logo]()
$523
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 12/28:55 am -
2 stops11h 58m
Tue 12/88:45 am -
1 stop10h 24m
Deal found 8/22![United Airlines logo]()
$551
This Copa Airlines deal was found by Cheapflights users on 8/18. 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 1/239:00 am -
2 stops24h 17m
Sat 2/66:01 pm -
2 stops24h 33m
Deal found 8/18![Copa Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Mon 11/97:00 am -
1 stop7h 22m
Thu 11/1212:35 pm -
2 stops20h 03m
Deal found 8/22![United Airlines logo]()
$563
Last-minute flights from Louisville to San JoséDiscover last-minute flight deals from Louisville to San José. Data last updated August 23, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to San José. Data last updated August 23, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/21. 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 9/47:12 pm -
2 stops18h 51m
Tue 9/82:56 pm -
2 stops16h 48m
Deal found 8/21![American Airlines logo]()
$749
This American Airlines deal was found by Cheapflights users on 8/19. 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 -
2 stops20h 00m
Sun 9/132:57 pm -
2 stops16h 46m
Deal found 8/19![American Airlines logo]()
$648
This Copa Airlines deal was found by Cheapflights users on 8/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:56 pm -
2 stops20h 23m
Sun 9/136:17 pm -
2 stops23h 52m
Deal found 8/20![Copa Airlines logo]()
$722
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/147:27 pm -
2 stops19h 32m
Tue 9/222:57 pm -
2 stops18h 19m
Deal found 8/19![American Airlines logo]()
$503
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Thu 9/247:27 pm -
2 stops18h 32m
Thu 10/12:57 pm -
2 stops16h 46m
Deal found 8/21![American Airlines logo]()
$473
This Southwest deal was found by Cheapflights users on 8/21. 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.
Thu 9/241:45 pm -
1 stop7h 00m
Thu 10/19:00 am -
1 stop10h 35m
Deal found 8/21![Southwest logo]()
$597
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 August 23, 2026.
Search for one-way flight options from Louisville to San José. Find affordable one-way fares based on user searches. Data last updated August 23, 2026.
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/247:27 pm -
2 stops18h 32m
Deal found 8/18![American Airlines logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/309:04 am -
2 stops25h 15m
Deal found 8/19![Copa Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:00 am -
1 stop15h 37m
Deal found 8/21![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:05 am -
1 stop6h 49m
Deal found 8/20![Delta logo]()
$324
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/304:25 pm -
1 stop23h 32m
Deal found 8/19![American Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/309:11 pm -
3 stops28h 44m
Deal found 8/19![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 12/1811:39 am -
2 stops28h 32m
Deal found 8/19![Multiple Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 8/19. 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 12/181:01 pm -
1 stop10h 14m
Deal found 8/19![Delta logo]()
$638
This American Airlines deal was found by Cheapflights users on 8/19. 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 12/166:05 am -
2 stops29h 30m
Deal found 8/19![American Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 8/19. 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 12/1610:00 am -
1 stop28h 00m
Deal found 8/19![United Airlines logo]()
$932
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 August 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $473 (American Airlines) |
One-way from | $233 (American Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $545 |
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 7,457,451 searches. Data last updated August 23, 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 Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Wed 12/2
1:04 pm-10:17 pm
1 stop10h 13m
San José Juan Santamaria Intl
Tue 12/8
7:00 am-9:51 pm
1 stop13h 51m
$495
Quickest round-trip
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Tue 11/24
7:00 am-1:22 pm
1 stop7h 22m
San José Juan Santamaria Intl
Thu 12/3
8:45 am-7:35 pm
1 stop9h 50m
$498
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Sun 12/13
1:01 pm-10:15 pm
1 stop10h 14m
San José Juan Santamaria Intl
Sat 12/19
2:10 pm-12:02 am
1 stop8h 52m
$523
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Wed 12/2
8:55 am-7:53 pm
2 stops11h 58m
San José Juan Santamaria Intl
Tue 12/8
8:45 am-8:09 pm
1 stop10h 24m
$551
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Mon 10/12
8:18 pm-12:00 pm
2 stops17h 42m
San José Juan Santamaria Intl
Sun 10/18
6:00 am-12:08 am
2 stops16h 08m
$553
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Mon 11/9
7:00 am-1:22 pm
1 stop7h 22m
San José Juan Santamaria Intl
Thu 11/12
12:35 pm-9:38 am
2 stops20h 03m
$563
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Fri 11/13
9:17 am-10:59 am
2 stops26h 42m
San José Juan Santamaria Intl
Sat 11/21
10:03 am-10:34 am
2 stops23h 31m
$581
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Sat 1/23
9:00 am-8:17 am
2 stops24h 17m
San José Juan Santamaria Intl
Sat 2/6
6:01 pm-7:34 pm
2 stops24h 33m
$583
Cheapest one-way
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Thu 9/24
7:27 pm-11:59 am
2 stops18h 32m
$233
LouisvilleSan José
SDF Louisville Intl - SJO San José Juan Santamaria Intl
SDFSJO
Louisville Intl
Thu 9/24
6:00 am-7:37 pm
1 stop15h 37m
$288
Showing 1-10 of 16 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 August.
| 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 58 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 $420). Flying from Louisville to San José in April is currently the most expensive (average of $894). 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?
Airfare is typical for this route at the moment.
Louisville to San José flights typically cost between $468 and $670 in September.The cheapest round-trip price found within the last 5 days was $473 on American Airlines (Sep 24-Oct 1).
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 August 23, 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.
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Crew
8.6
Food
7.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
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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Alternative routes for Louisville to San José
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Complete your trip
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Louisville and San José flights
Browse other Louisville and San José flight options. Last updated on August 23, 2026.
Other flights from Louisville
Browse through other flights departing from Louisville. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San José
Explore flights to San José departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 23, 2026.
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 7,457,451 searches. Data last updated August 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$295 | Average$554 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$371 | Average$533 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$371 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$537 | Average$736 | FlexibilityNo cancel fee | On-time63% |