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San José

$181+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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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 January 27, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/13:33 pm
SDF
-
SJO
1 stop21h 49m
Spirit Airlines
Sun 3/811:35 am
SJO
-
SDF
1 stop22h 46m
Spirit Airlines
Deal found 1/27$340
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:13 pm
SDF
-
SJO
1 stop16h 06m
Multiple Airlines
Mon 4/1312:24 pm
SJO
-
SDF
1 stop21h 55m
Multiple Airlines
Deal found 1/26$353
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:19 pm
SDF
-
SJO
1 stop23h 21m
Spirit Airlines
Sun 3/811:35 am
SJO
-
SDF
1 stop22h 46m
Spirit Airlines
Deal found 1/26$364
This KAYAK deal was found by Cheapflights users on 1/25. 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.
Fri 3/61:19 pm
SDF
-
SJO
1 stop23h 21m
Spirit Airlines
Wed 3/1112:31 pm
SJO
-
SDF
1 stop24h 02m
Spirit Airlines
Deal found 1/25$366
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Sat 3/78:00 pm
SDF
-
SJO
2 stops14h 25m
American Airlines
Thu 3/1210:25 am
SJO
-
SDF
1 stop11h 34m
American Airlines
Deal found 1/25$369
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Thu 3/57:00 am
SDF
-
SJO
2 stops14h 33m
American Airlines
Wed 3/1111:35 pm
SJO
-
SDF
1 stop8h 29m
American Airlines
Deal found 1/25$378
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:14 pm
SDF
-
SJO
2 stops23h 28m
Spirit Airlines
Mon 4/1312:24 pm
SJO
-
SDF
1 stop21h 55m
Spirit Airlines
Deal found 1/26$379
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 5/1411:00 am
SDF
-
SJO
1 stop12h 36m
American Airlines
Thu 5/212:03 pm
SJO
-
SDF
1 stop7h 56m
American Airlines
Deal found 1/27$384
This Kiwi.com deal was found by Cheapflights users on 1/25. 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.
Fri 3/61:19 pm
SDF
-
SJO
1 stop23h 21m
Spirit Airlines
Mon 3/912:31 pm
SJO
-
SDF
1 stop24h 07m
Spirit Airlines
Deal found 1/25$385

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 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$353
(Kiwi.com)

One-way from

$181
(Delta)

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 ($109 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 27, 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

Sun 3/1

3:33 pm-12:22 pm

1 stop21h 49m

San José Juan Santamaria Intl

Sun 3/8

11:35 am-12:21 pm

1 stop22h 46m

$340

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 3/30

9:13 pm-11:19 am

1 stop16h 06m

San José Juan Santamaria Intl

Mon 4/13

12:24 pm-12:19 pm

1 stop21h 55m

$353

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 3/6

1:19 pm-11:40 am

1 stop23h 21m

San José Juan Santamaria Intl

Sun 3/8

11:35 am-12:21 pm

1 stop22h 46m

$364

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 3/7

8:00 pm-9:25 am

2 stops14h 25m

San José Juan Santamaria Intl

Thu 3/12

10:25 am-11:59 pm

1 stop11h 34m

$369

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 3/5

7:00 am-8:33 pm

2 stops14h 33m

San José Juan Santamaria Intl

Tue 3/10

7:00 am-9:12 pm

2 stops12h 12m

$378

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 3/6

1:19 pm-12:22 pm

2 stops24h 03m

San José Juan Santamaria Intl

Wed 3/11

12:31 pm-2:33 pm

1 stop24h 02m

$386

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 3/11

1:19 pm-11:19 am

2 stops24h 00m

San José Juan Santamaria Intl

Wed 3/18

12:24 pm-2:33 pm

1 stop24h 09m

$396

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 3/11

7:57 pm-9:25 am

2 stops15h 28m

San José Juan Santamaria Intl

Wed 3/18

7:00 am-12:27 am

2 stops15h 27m

$409

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 3/5

3:33 pm-12:22 pm

1 stop21h 49m

San José Juan Santamaria Intl

Tue 3/10

11:35 am-12:21 pm

1 stop22h 46m

$424

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 2/22

3:33 pm-12:22 pm

1 stop21h 49m

San José Juan Santamaria Intl

Sun 3/1

4:15 pm-2:38 pm

2 stops45h 23m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 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 Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 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.
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 23, 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.

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 27, 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
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

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
8,119 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

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
9,205 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

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
11,197 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

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
8,384 reviews
Delta
7.9
Good
8,119 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

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 $369, Spirit Airlines can have you in San José from Louisville in 14h 25m. 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 $148. Other airlines that can offer you cheap pricing are Delta, from $289, and United Airlines, from $353. These flights start at 70% 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

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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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$148Average$354FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$560FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$552FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$358Average$466FlexibilityNo cancel feeOn-time71%

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