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$128+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 October or August, 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 July 2, 2025.

Round-trip from

$290
(Delta)

One-way from

$128
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$536
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 ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 6/30. 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 9/106:00 amSDF - SJO
1 stop8h 10mDelta
Fri 9/191:35 pmSJO - SDF
1 stop8h 17mDelta
Deal found 6/30$290
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/1011:15 amSDF - SJO
2 stops10h 27mAmerican Airlines
Fri 9/197:27 amSJO - SDF
2 stops13h 48mAmerican Airlines
Deal found 6/30$294
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/238:13 pmSDF - SJO
1 stop16h 58mSpirit Airlines
Tue 7/2912:16 pmSJO - SDF
1 stop28h 52mSpirit Airlines
Deal found 6/30$351
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Thu 8/1412:47 pmSDF - SJO
2 stops11h 04mMultiple Airlines
Thu 8/2112:18 pmSJO - SDF
1 stop19h 16mMultiple Airlines
Deal found 6/30$364

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 July 2, 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 9/10

6:00 am-12:10 pm

1 stop8h 10m

San José Juan Santamaria Intl

Fri 9/19

1:35 pm-11:52 pm

1 stop8h 17m

$290

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 9/10

11:15 am-7:42 pm

2 stops10h 27m

San José Juan Santamaria Intl

Fri 9/19

7:27 am-11:15 pm

2 stops13h 48m

$294

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 7/23

8:13 pm-11:11 am

1 stop16h 58m

San José Juan Santamaria Intl

Tue 7/29

12:16 pm-7:08 pm

1 stop28h 52m

$351

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 8/14

12:47 pm-9:51 pm

2 stops11h 04m

San José Juan Santamaria Intl

Thu 8/21

12:18 pm-9:34 am

1 stop19h 16m

$364

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 10/25

6:46 pm-12:00 pm

2 stops19h 14m

$128

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 7/29

8:13 pm-11:11 am

1 stop16h 58m

$144

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 7/29

8:13 pm-11:35 pm

3 stops29h 22m

$185

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Tue 7/29

6:08 pm-10:11 am

2 stops18h 03m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 June 27, 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 $555). 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 July 2, 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.

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 July 2, 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
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
8,861 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
8,103 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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.

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

    Flying on Delta is currently your cheapest option to San José, San José Province, with prices starting at $290. Additional round-trip tickets that might be worth considering are offered by American Airlines and Spirit Airlines, with the lowest prices starting at $294 and $351, respectively. Users have found that Delta is 45% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Louisville to San José, San José Province one-way?

    One-way options have recently been found by users for as low as $128 on American Airlines. Other airlines that offer cheap prices include Spirit Airlines from $144 and United Airlines from $205 one-way.

  • 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 $555). 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 Louisville?

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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$610FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$269Average$394FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$344Average$574FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$353Average$632FlexibilityNo cancel feeOn-time69%

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