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$138+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Oct 18 — Oct 251
Sat 10/18
Sat 10/25
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to San José Juan Santamaria Intl are usually found in August or September, booked 38 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 September 18, 2025.

Round-trip from

$263
(Mytrip)

One-way from

$138
(Priceline)

Popular in

June

Cheapest in

August

Average price

$402
From Louisville Intl to San José Juan Santamaria Intl
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One-way flight from Louisville Intl to San José Juan Santamaria Intl
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Highest demand for flights based on searches. 10% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 18, 2025.

This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amSDF - SJO
1 stop10h 16mMultiple Airlines
Sat 11/157:30 amSJO - SDF
1 stop15h 15mMultiple Airlines
Deal found 9/18$263
This KAYAK deal was found by Cheapflights users on 9/17. 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.
Wed 10/225:31 pmSDF - SJO
1 stop19h 59mSpirit Airlines
Wed 11/121:19 pmSJO - SDF
1 stop19h 40mSpirit Airlines
Deal found 9/17$289
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:47 amSDF - SJO
1 stop25h 43mSpirit Airlines
Fri 10/2412:35 pmSJO - SDF
1 stop27h 28mSpirit Airlines
Deal found 9/18$299
This KAYAK deal was found by Cheapflights users on 9/16. 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.
Mon 11/1010:55 amSDF - SJO
1 stop26h 19mSpirit Airlines
Sun 11/161:19 pmSJO - SDF
1 stop19h 40mSpirit Airlines
Deal found 9/16$323
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/249:23 amSDF - SJO
1 stop27h 51mMultiple Airlines
Wed 12/31:19 pmSJO - SDF
1 stop19h 40mMultiple Airlines
Deal found 9/18$348
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 11/810:55 amSDF - SJO
2 stops25h 32mSpirit Airlines
Sat 11/151:19 pmSJO - SDF
1 stop19h 40mSpirit Airlines
Deal found 9/17$353
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:11 pmSDF - SJO
2 stops36h 54mMultiple Airlines
Wed 12/31:19 pmSJO - SDF
1 stop19h 40mMultiple Airlines
Deal found 9/18$365

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 September 18, 2025.
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

Wed 10/22

5:31 pm-11:30 am

1 stop19h 59m

San José Juan Santamaria Intl

Wed 11/12

1:19 pm-9:59 am

1 stop19h 40m

$289

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 10/17

11:47 am-11:30 am

1 stop25h 43m

San José Juan Santamaria Intl

Fri 10/24

12:35 pm-6:03 pm

1 stop27h 28m

$299

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 11/25

7:05 am-10:07 pm

1 stop16h 02m

San José Juan Santamaria Intl

Wed 12/3

7:00 am-12:05 am

1 stop16h 05m

$392

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 3/2

12:34 pm-11:00 pm

1 stop11h 26m

San José Juan Santamaria Intl

Fri 3/6

7:00 am-6:50 pm

1 stop10h 50m

$472

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 2/3

6:00 am-12:21 am

2 stops19h 21m

San José Juan Santamaria Intl

Sun 2/8

1:16 am-9:54 am

1 stop7h 38m

$477

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 11/25

2:02 pm-11:25 am

2 stops22h 23m

San José Juan Santamaria Intl

Tue 12/2

11:28 pm-10:29 pm

2 stops22h 01m

$486

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 11/25

2:02 pm-11:25 am

2 stops22h 23m

San José Juan Santamaria Intl

Thu 11/27

2:20 pm-7:54 pm

1 stop28h 34m

$496

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 10/4

7:10 am-12:08 pm

1 stop6h 58m

San José Juan Santamaria Intl

Wed 10/8

1:23 pm-12:01 am

1 stop8h 38m

$500

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 11/23

2:02 pm-11:25 am

2 stops22h 23m

San José Juan Santamaria Intl

Wed 12/3

11:28 pm-8:49 pm

2 stops20h 21m

$516

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 11/26

2:02 pm-11:25 am

2 stops22h 23m

San José Juan Santamaria Intl

Mon 12/1

2:20 pm-8:49 pm

2 stops29h 29m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 17 results
1
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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, San José Province?

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 September 12, 2025.

The best time to book flights from Louisville to San José, San José Province is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Louisville to San José, San José Province?

Currently, September is the cheapest month in which you can book a flight from Louisville to San José, San José Province (average of $398). Flying from Louisville to San José, San José Province in March is currently the most expensive (average of $554). 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.

What is the cheapest time of day to fly from SDF to SJO?

Find hourly flight availability from Louisville to San José. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% on flights from Louisville to San José, San José Province by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Louisville to San José, San José Province?

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 September 18, 2025.
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
8.0
Very good
7,964 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,030 reviews
Delta
8.0
Very good
7,964 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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, San José Province?

    Departing from Louisville to San José, San José Province will take you 11h 26m. Louisville and San José, San José Province are separated by a distance of 1948 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Spirit Airlines is currently your cheapest option to San José, San José Province, with prices starting at $249. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $289 and $353, respectively. Users have found that Spirit Airlines is 54% cheaper than the other options available to this destination.

  • 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, San José Province?

    Currently, September is the cheapest month in which you can book a flight from Louisville to San José, San José Province (average of $398). Flying from Louisville to San José, San José Province in March is currently the most expensive (average of $554). 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
Heredia
Manuel Antonio
Alajuela
Monteverde
Jacó

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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 September 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$249Average$367FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$607FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$632FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$360Average$574FlexibilityNo cancel feeOn-time71%

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