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San José

$170+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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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”

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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 29 days in advance, depart on a Wednesday or Thursday and return on a Thursday

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 December 27, 2025.

This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:24 pmSDF - SJO
2 stops16h 08mAmerican Airlines
Tue 1/137:09 amSJO - SDF
2 stops13h 56mAmerican Airlines
Deal found 12/26$407
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSDF - SJO
1 stop7h 56mDelta
Tue 1/137:00 amSJO - SDF
1 stop12h 51mDelta
Deal found 12/26$432
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:24 pmSDF - SJO
2 stops16h 08mAmerican Airlines
Tue 1/137:09 amSJO - SDF
2 stops13h 56mAmerican Airlines
Deal found 12/26$435
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSDF - SJO
1 stop7h 56mDelta
Tue 1/67:00 amSJO - SDF
1 stop12h 51mDelta
Deal found 12/26$486
This American Airlines deal was found by Cheapflights users on 12/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 amSDF - SJO
1 stop8h 29mAmerican Airlines
Fri 1/96:00 amSJO - SDF
1 stop16h 59mAmerican Airlines
Deal found 12/26$514
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSDF - SJO
1 stop7h 56mDelta
Thu 1/17:00 amSJO - SDF
1 stop15h 56mDelta
Deal found 12/26$530
This Delta deal was found by Cheapflights users on 12/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:20 pmSDF - SJO
1 stop8h 35mDelta
Tue 1/67:00 amSJO - SDF
1 stop12h 51mDelta
Deal found 12/26$540
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amSDF - SJO
1 stop15h 39mUnited Airlines
Wed 12/316:30 amSJO - SDF
1 stop14h 24mUnited Airlines
Deal found 12/26$542
This United Airlines deal was found by Cheapflights users on 12/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:40 amSDF - SJO
2 stops17h 52mUnited Airlines
Thu 1/12:20 pmSJO - SDF
2 stops18h 43mUnited Airlines
Deal found 12/26$547

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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$367
(KAYAK)

One-way from

$170
(American Airlines)

Popular in

June

Cheapest in

October

Average price

$434
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. 15% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 27, 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

Mon 2/2

1:55 pm-11:37 am

1 stop22h 42m

San José Juan Santamaria Intl

Sat 2/7

1:30 pm-2:41 pm

1 stop24h 11m

$367

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 1/12

3:37 pm-10:15 pm

1 stop7h 38m

San José Juan Santamaria Intl

Fri 1/23

7:00 am-11:50 pm

1 stop15h 50m

$372

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 2/26

7:47 pm-10:25 am

2 stops15h 38m

San José Juan Santamaria Intl

Wed 3/4

1:25 pm-8:40 am

2 stops18h 15m

$377

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Mon 2/2

6:00 am-1:15 pm

1 stop8h 15m

San José Juan Santamaria Intl

Sat 2/7

6:30 am-8:28 pm

2 stops12h 58m

$377

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 1/25

4:39 pm-11:40 pm

2 stops32h 01m

San José Juan Santamaria Intl

Sat 1/31

1:30 pm-2:41 pm

1 stop24h 11m

$379

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 2/11

7:14 pm-12:23 pm

2 stops18h 09m

San José Juan Santamaria Intl

Sun 2/15

12:31 am-10:57 pm

1 stop21h 26m

$384

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 2/26

6:00 am-8:39 pm

1 stop15h 39m

San José Juan Santamaria Intl

Wed 3/4

12:35 pm-9:46 pm

1 stop8h 11m

$387

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 5/2

7:53 am-9:55 pm

1 stop16h 02m

San José Juan Santamaria Intl

Sun 5/10

11:59 pm-7:43 pm

1 stop17h 44m

$388

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 1/25

5:35 am-12:56 pm

1 stop8h 21m

San José Juan Santamaria Intl

Sat 1/31

6:30 am-7:56 pm

1 stop12h 26m

$390

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sun 1/25

7:40 am-11:43 pm

1 stop17h 03m

San José Juan Santamaria Intl

Sat 1/31

6:00 am-10:05 pm

2 stops15h 05m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 18 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 December.
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 December 19, 2025.

Booking 29 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 $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 December 27, 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 December 27, 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
8,019 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
8,019 reviews
Delta
7.9
Good
8,019 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
9,116 reviews
Delta
7.9
Good
8,019 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
11,067 reviews
Delta
7.9
Good
8,019 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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
8,210 reviews
Delta
7.9
Good
8,019 reviews

Overall

7.9

Entertainment

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Comfort

7.9

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 $372, Spirit Airlines can have you in San José from Louisville in 7h 38m. 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 51% 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 $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
Manuel Antonio
Alajuela
Monteverde
Jacó
Heredia
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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$249Average$367FlexibilityNo cancel feeOn-time65%
DeltaCheapest$289Average$601FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$561FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$358Average$515FlexibilityNo cancel feeOn-time71%

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