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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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
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 October, 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 octubre 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$328
(KAYAK)

One-way from

$181
(American Airlines)

Popular in

June

Cheapest in

August

Average price

$392
Provider with most accurate pricing for Louisville Intl-San José Juan Santamaria Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-San José Juan Santamaria Intl flights.
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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. 12% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 11/2410:51 amSDF - SJO
1 stop13h 21mAmerican Airlines
lun. 12/81:15 pmSJO - SDF
1 stop9h 39mAmerican Airlines
Deal found 10/30$372
This American Airlines deal was found by Cheapflights users on 10/30. 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.
sáb. 11/296:04 amSDF - SJO
1 stop17h 09mAmerican Airlines
jue. 12/46:20 amSJO - SDF
1 stop14h 57mAmerican Airlines
Deal found 10/30$383
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
dom. 12/1411:55 amSDF - SJO
1 stop25h 30mSpirit Airlines
dom. 12/211:31 pmSJO - SDF
1 stop9h 28mSpirit Airlines
Deal found 10/30$393
This American Airlines deal was found by Cheapflights users on 10/30. 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.
lun. 12/112:43 pmSDF - SJO
1 stop10h 30mAmerican Airlines
sáb. 12/63:01 pmSJO - SDF
1 stop18h 06mAmerican Airlines
Deal found 10/30$447
This American Airlines deal was found by Cheapflights users on 10/30. 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.
dom. 12/147:12 amSDF - SJO
1 stop16h 47mAmerican Airlines
sáb. 12/2012:34 amSJO - SDF
1 stop11h 42mAmerican Airlines
Deal found 10/30$461

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 octubre 30, 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

mar. 2/3

6:00 am-11:27 am

1 stop6h 27m

San José Juan Santamaria Intl

lun. 2/9

12:22 pm-11:45 pm

1 stop10h 23m

$351

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

mié. 3/11

6:31 am-8:30 pm

1 stop15h 59m

San José Juan Santamaria Intl

mar. 3/17

12:01 am-10:10 am

1 stop8h 09m

$372

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

lun. 1/12

6:00 am-12:38 pm

1 stop7h 38m

San José Juan Santamaria Intl

vie. 1/23

6:00 am-11:59 pm

1 stop16h 59m

$372

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

lun. 11/24

7:13 am-11:12 pm

1 stop16h 59m

San José Juan Santamaria Intl

lun. 12/8

6:20 am-9:49 pm

2 stops14h 29m

$376

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

jue. 4/16

7:53 am-9:55 pm

1 stop16h 02m

San José Juan Santamaria Intl

mar. 4/21

7:10 am-12:14 am

2 stops15h 04m

$376

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

mar. 2/3

6:00 am-7:44 pm

2 stops14h 44m

San José Juan Santamaria Intl

lun. 2/9

6:38 am-5:33 pm

1 stop9h 55m

$376

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

dom. 12/14

11:55 am-12:25 pm

1 stop25h 30m

San José Juan Santamaria Intl

dom. 12/21

1:31 pm-11:59 pm

1 stop9h 28m

$393

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

sáb. 11/29

6:04 am-10:13 pm

1 stop17h 09m

$181

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

sáb. 11/29

5:15 am-1:45 pm

2 stops9h 30m

$292

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

sáb. 11/29

9:03 am-4:10 pm

3 stops56h 07m

$467

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-San José flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

Booking 37 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 $153). Flying from Louisville to San José in July is currently the most expensive (average of $408). 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 octubre 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Louisville to San José 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 octubre 30, 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
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Spirit Airlines
6.3
Okay
8,116 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $351, Spirit Airlines can have you in San José from Louisville in 6h 27m. 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 $249. Other airlines that can offer you cheap pricing are Delta, from $289, and United Airlines, from $353. These flights start at 53% 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 $153). Flying from Louisville to San José in July is currently the most expensive (average of $408). 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
Dominical

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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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$249Average$367FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$610FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$625FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$360Average$547FlexibilityNo cancel feeOn-time71%

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