HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San José

$126+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 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 January 21, 2026.

This American Airlines deal was found by Cheapflights users on 1/19. 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 3/26:00 am
SDF
-
SJO
1 stop9h 53m
American Airlines
Sun 3/811:35 pm
SJO
-
SDF
1 stop18h 07m
American Airlines
Deal found 1/19$343
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 3/16:10 am
SDF
-
SJO
1 stop15h 57m
American Airlines
Sun 3/811:35 pm
SJO
-
SDF
1 stop18h 07m
American Airlines
Deal found 1/19$350
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Sun 2/223:33 pm
SDF
-
SJO
2 stops21h 07m
Spirit Airlines
Sun 3/811:35 am
SJO
-
SDF
1 stop22h 46m
Spirit Airlines
Deal found 1/19$359
This American Airlines deal was found by Cheapflights users on 1/19. 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 2/1111:14 am
SDF
-
SJO
2 stops12h 16m
American Airlines
Sun 2/1512:35 am
SJO
-
SDF
1 stop8h 29m
American Airlines
Deal found 1/19$373
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Fri 2/276:10 am
SDF
-
SJO
1 stop15h 02m
American Airlines
Wed 3/47:00 am
SJO
-
SDF
2 stops15h 05m
American Airlines
Deal found 1/20$388
This Kiwi.com deal was found by Cheapflights users on 1/19. 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.
Tue 3/171:14 pm
SDF
-
SJO
1 stop24h 05m
Spirit Airlines
Mon 3/2312:24 pm
SJO
-
SDF
1 stop21h 55m
Spirit Airlines
Deal found 1/19$391
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 2/228:02 pm
SDF
-
SJO
2 stops15h 22m
American Airlines
Sun 3/811:35 pm
SJO
-
SDF
1 stop18h 07m
American Airlines
Deal found 1/20$394
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 1/2811:14 am
SDF
-
SJO
2 stops12h 16m
American Airlines
Wed 2/46:00 am
SJO
-
SDF
1 stop16h 59m
American Airlines
Deal found 1/21$398
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 8/136:14 am
SDF
-
SJO
1 stop7h 36m
American Airlines
Tue 8/186:00 am
SJO
-
SDF
1 stop16h 30m
American Airlines
Deal found 1/19$404

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$343
(American Airlines)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$484
Provider with most accurate pricing for Louisville Intl-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-San José Juan Santamaria Intl flights.
Search Deals
From Louisville Intl to San José Juan Santamaria Intl
Search Deals
One-way flight from Louisville Intl to San José Juan Santamaria Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
Use the filters below to find and compare flights from Louisville to San José that are best for you.

Fly from

Louisville

Fly to

San José

Route

Depart

Return

Price

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 3/2

6:00 am-2:53 pm

1 stop9h 53m

San José Juan Santamaria Intl

Sun 3/8

11:35 pm-7:42 pm

1 stop18h 07m

$343

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 2/11

1:32 pm-10:30 pm

1 stop9h 58m

San José Juan Santamaria Intl

Sun 2/15

12:35 am-10:04 am

1 stop8h 29m

$375

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 2/27

6:10 am-8:12 pm

1 stop15h 02m

San José Juan Santamaria Intl

Wed 3/4

7:00 am-11:05 pm

2 stops15h 05m

$388

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 2/22

8:02 pm-10:24 am

2 stops15h 22m

San José Juan Santamaria Intl

Sun 3/8

11:35 pm-7:42 pm

1 stop18h 07m

$394

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 1/28

8:07 am-10:30 pm

1 stop15h 23m

San José Juan Santamaria Intl

Wed 2/4

8:00 am-11:59 pm

1 stop14h 59m

$405

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 2/7

12:56 pm-10:30 pm

1 stop10h 34m

San José Juan Santamaria Intl

Thu 2/12

12:35 am-10:04 am

1 stop8h 29m

$411

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 2/20

1:19 pm-11:40 am

1 stop23h 21m

San José Juan Santamaria Intl

Tue 2/24

12:35 pm-12:21 pm

1 stop22h 46m

$422

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 2/27

6:23 pm-1:55 pm

2 stops20h 32m

San José Juan Santamaria Intl

Wed 3/4

7:00 am-9:11 pm

2 stops13h 11m

$423

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/10

11:14 am-10:30 pm

2 stops12h 16m

$126

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 3/10

6:07 am-11:26 am

1 stop7h 19m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 14 results
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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 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 Expedia the most. Expedia 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?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to San José. Price data was last updated on January 16, 2026.

Booking 62 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 $149). Flying from Louisville to San José in July is currently the most expensive (average of $406). 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 January 21, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.
Delta
7.9
Good
8,088 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
Delta
7.9
Good
8,088 reviews
Delta
7.9
Good
8,088 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,088 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,088 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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.
Spirit Airlines
6.3
Okay
8,364 reviews
Delta
7.9
Good
8,088 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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 $343, American Airlines can have you in San José from Louisville in 9h 53m. Airlines will cover a distance of 1948 mi.

  • 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 $249. Other airlines that can offer you cheap pricing are Delta, from $289, and United Airlines, from $353. These flights start at 50% 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, October is the cheapest month in which you can book a flight from Louisville to San José (average of $149). Flying from Louisville to San José in July is currently the most expensive (average of $406). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$249Average$354FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$601FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$561FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$358Average$469FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.