San José

$175+ 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
May 29 — Jun 51
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Cheap flight deals from Louisville to San José

Cheapest flights from Louisville to San José
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 April 29, 2026.

This KAYAK deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:33 am
SDF
-
SJO
1 stop27h 12m
Spirit Airlines
Sun 5/171:00 pm
SJO
-
SDF
1 stop18h 28m
Spirit Airlines
Deal found 4/25$398
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 stops17h 41m
American Airlines
Fri 7/312:02 pm
SJO
-
SDF
1 stop8h 32m
American Airlines
Deal found 4/25$411
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/38:48 pm
SDF
-
SJO
1 stop17h 27m
Multiple Airlines
Sun 7/121:21 pm
SJO
-
SDF
1 stop28h 37m
Multiple Airlines
Deal found 4/24$414
This American Airlines deal was found by Cheapflights users on 4/28. 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 4/28$427
This American Airlines deal was found by Cheapflights users on 4/28. 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 9/263:59 pm
SDF
-
SJO
1 stop23h 59m
American Airlines
Sun 10/41:05 pm
SJO
-
SDF
2 stops19h 35m
American Airlines
Deal found 4/28$435
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 9/227:00 am
SDF
-
SJO
1 stop6h 54m
Delta
Mon 10/51:25 pm
SJO
-
SDF
1 stop8h 34m
Delta
Deal found 4/28$436
This American Airlines deal was found by Cheapflights users on 4/28. 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 6/18:08 pm
SDF
-
SJO
2 stops17h 42m
American Airlines
Mon 6/223:08 pm
SJO
-
SDF
2 stops18h 19m
American Airlines
Deal found 4/28$441
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/41:02 pm
SDF
-
SJO
2 stops25h 13m
Multiple Airlines
Sun 7/121:21 pm
SJO
-
SDF
1 stop28h 37m
Multiple Airlines
Deal found 4/24$443
This American Airlines deal was found by Cheapflights users on 4/26. 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 8/107:03 pm
SDF
-
SJO
1 stop20h 49m
American Airlines
Mon 8/171:29 pm
SJO
-
SDF
1 stop7h 48m
American Airlines
Deal found 4/26$444
This American Airlines deal was found by Cheapflights users on 4/27. 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.
Sun 8/28:19 pm
SDF
-
SJO
1 stop18h 41m
American Airlines
Sun 8/91:29 pm
SJO
-
SDF
1 stop8h 47m
American Airlines
Deal found 4/27$448
This Kiwi.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:06 pm
SDF
-
SJO
2 stops38h 13m
Multiple Airlines
Fri 6/121:00 pm
SJO
-
SDF
1 stop18h 28m
Multiple Airlines
Deal found 4/25$454

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 April 29, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$398
(KAYAK)

One-way from

$175
(American Airlines)

Popular in

November

Cheapest in

February

Average price

$666
Provider with most accurate pricing for Louisville Intl-San José Juan Santamaria Intl flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-San José Juan Santamaria Intl flights.
From Louisville Intl to San José Juan Santamaria Intl
One-way flight from Louisville Intl to San José Juan Santamaria Intl
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 April 29, 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

Price

Cheapest round-trip

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 6/1

8:08 pm-1:09 pm

2 stops19h 01m

San José Juan Santamaria Intl

Mon 6/22

3:08 pm-11:27 am

2 stops18h 19m

$441

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 7/4

1:02 pm-12:15 pm

2 stops25h 13m

San José Juan Santamaria Intl

Sun 7/12

1:21 pm-7:58 pm

1 stop28h 37m

$443

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 5/25

10:40 am-7:00 pm

1 stop10h 20m

San José Juan Santamaria Intl

Tue 5/26

9:00 am-10:15 pm

1 stop11h 15m

$481

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 5/26

5:51 pm-10:11 am

2 stops18h 20m

San José Juan Santamaria Intl

Fri 6/26

11:13 am-9:05 am

2 stops19h 52m

$531

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 6/5

5:46 pm-11:38 am

2 stops19h 52m

San José Juan Santamaria Intl

Thu 6/11

7:55 am-9:02 am

2 stops23h 07m

$561

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 6/6

12:20 pm-11:38 am

1 stop25h 18m

San José Juan Santamaria Intl

Wed 6/10

7:55 am-9:02 am

2 stops23h 07m

$570

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 7/10

8:19 pm-11:50 am

2 stops17h 31m

San José Juan Santamaria Intl

Sun 7/19

11:41 pm-11:46 pm

1 stop22h 05m

$593
Quickest round-trip

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 7/2

1:18 pm-10:38 pm

1 stop11h 20m

San José Juan Santamaria Intl

Thu 7/9

2:02 pm-12:34 am

1 stop8h 32m

$597

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 6/4

9:00 am-10:39 pm

2 stops15h 39m

San José Juan Santamaria Intl

Wed 6/10

7:55 am-9:02 am

2 stops23h 07m

$614

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 9/22

7:10 am-12:21 pm

1 stop7h 11m

San José Juan Santamaria Intl

Sun 10/4

1:25 pm-10:09 pm

2 stops30h 44m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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, 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 November is currently the most expensive (average of $670). 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 April 29, 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.

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.
  • How long is the flight from Louisville to San José?

    For as low as $481, American Airlines can have you in San José from Louisville in 10h 20m. Airlines will cover a distance of 1948 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Louisville to San José round-trip?

    Cheapflights users have booked flights from Louisville to San José round-trip from $295. Other airlines that can offer you cheap pricing are American Airlines, from $351, and United Airlines, from $353. These flights start at 41% lower than the current average price 3 months from now.

  • Can I find deals for flights from Louisville to San José that include hotel bookings?

    Yes. In addition to deals on Louisville to San José flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to San José?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to San José.

  • Can I find deals for business class flights from Louisville to San José?

    Yes. Cheapflights offers flight deals from Louisville to San José by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 November is currently the most expensive (average of $670). 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.

See more FAQs

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Alajuela
Monteverde
Jacó
Heredia
Dominical
Manuel Antonio

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Alternative routes for Louisville to San José

See prices for flight routes from nearby airports that may be better suited for you.

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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$523FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$351Average$440FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$353Average$533FlexibilityNo cancel feeOn-time69%

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