HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Louisville

$360+ Cheap flights from San José (SJO) to Louisville (SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SJO — SDF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San José to Louisville 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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San José to Louisville

Cheapest flights from San José to Louisville
Explore the most affordable flight options available from San José to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/10. 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 12/156:20 amSJO - SDF
1 stop10h 18mAmerican Airlines
Mon 1/196:00 amSDF - SJO
1 stop7h 38mAmerican Airlines
Deal found 12/10$401
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Fri 12/121:02 pmSJO - SDF
1 stop9h 52mAmerican Airlines
Mon 12/151:02 pmSDF - SJO
1 stop10h 26mAmerican Airlines
Deal found 12/10$455
This American Airlines deal was found by Cheapflights users on 12/10. 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 12/1012:56 pmSJO - SDF
1 stop25h 03mAmerican Airlines
Sat 1/104:42 pmSDF - SJO
1 stop20h 56mAmerican Airlines
Deal found 12/10$498
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/127:00 amSJO - SDF
1 stop12h 52mDelta
Mon 12/158:35 amSDF - SJO
1 stop14h 45mDelta
Deal found 12/10$505
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:00 amSJO - SDF
2 stops12h 13mAmerican Airlines
Mon 12/297:24 pmSDF - SJO
2 stops16h 08mAmerican Airlines
Deal found 12/10$508
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/146:00 amSJO - SDF
2 stops12h 13mAmerican Airlines
Tue 12/169:15 amSDF - SJO
2 stops14h 13mAmerican Airlines
Deal found 12/10$541
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/141:31 pmSJO - SDF
1 stop20h 29mSpirit Airlines
Mon 12/295:05 amSDF - SJO
1 stop8h 20mSpirit Airlines
Deal found 12/10$568

Find flight deals from San José to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from San José (SJO) to Louisville (SDF). 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 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$360
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$456
Provider with most accurate pricing for San José Juan Santamaria Intl-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San José Juan Santamaria Intl-Louisville Intl flights.
Search Deals
From San José Juan Santamaria Intl to Louisville Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 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 San José to Louisville 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 12, 2025.
Use the filters below to find and compare flights from San José to Louisville that are best for you.

Fly from

San José

Fly to

Louisville

Route

Depart

Return

Price

San JoséLouisville

SJO - SDF

SJOSDF

San José Juan Santamaria Intl

Sat 2/7

2:20 pm-10:23 am

2 stops19h 03m

Louisville Intl

Sat 2/21

6:00 am-8:39 pm

1 stop15h 39m

$360

San JoséLouisville

SJO - SDF

SJOSDF

San José Juan Santamaria Intl

Thu 1/22

6:30 am-7:54 pm

1 stop12h 24m

Louisville Intl

Mon 1/26

6:00 am-1:15 pm

1 stop8h 15m

$369

San JoséLouisville

SJO - SDF

SJOSDF

San José Juan Santamaria Intl

Thu 1/15

1:51 pm-12:25 pm

1 stop21h 34m

Louisville Intl

Thu 2/19

7:51 am-10:43 pm

1 stop15h 52m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from San José to Louisville

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 San José to Louisville in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 San José-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San José-Louisville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San José-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San José-Louisville 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 San José-Louisville 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 San José to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from San José 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 San José to Louisville

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

Currently, August is the cheapest month in which you can book a flight from San José to Louisville (average of $126). Flying from San José to Louisville in July is currently the most expensive (average of $360). 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 SJO to SDF?

Find hourly flight availability from San José to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from San José to Louisville in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

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

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with American Airlines from San José to Louisville by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from San José to Louisville. 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 San José to Louisville?

    There are many flights that can get you from San José to Louisville in 19h 03m. Fly via United Airlines to get the fastest option. The distance between San José and Louisville is about 1948 mi.

  • What is the cheapest airline to fly from San José to Louisville round-trip?

    Currently priced at $349, American Airlines will fly you from San José to Louisville and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. American Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from San José to Louisville that include hotel bookings?

    Yes. In addition to deals on San José to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San José to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San José to Louisville.

  • Can I find deals for business class flights from San José to Louisville?

    Yes. Cheapflights offers flight deals from San José to Louisville 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 San José to Louisville?

    Currently, August is the cheapest month in which you can book a flight from San José to Louisville (average of $126). Flying from San José to Louisville in July is currently the most expensive (average of $360). 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?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San José to Louisville

See prices for flight routes from nearby airports that may be better suited for you.
San José to Nashville flights
San José to Lexington flights
San José to Knoxville flights
Liberia to Nashville flights
San José to Cincinnati flights

Top airline flying from San José to Louisville

Discover the top airline that operate flights from San José to Louisville. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$485FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.