HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Costa Rica

$128+ Cheap flights from Louisville (SDF) to Costa Rica

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to Costa Rica 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 Louisville to Costa Rica

Keep the following information in mind while searching for Louisville to Costa Rica flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$289
(Kiwi.com)

One-way from

$128
(Priceline)

Popular in

March

Cheapest in

October

Average price

$491
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 Costa Rica
Search Deals
One-way flight from Louisville Intl to Costa Rica
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

Find flight deals from Louisville to Costa Rica

Cheapest flights from Louisville to Costa Rica
Explore the most affordable flight options available from Louisville to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/76:25 pmSDF - SJO
1 stop18h 02mSpirit Airlines
Sat 6/1412:28 pmSJO - SDF
1 stop9h 10mSpirit Airlines
Deal found 4/29$289
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/511:23 amSDF - SJO
2 stops9h 36mMultiple Airlines
Sat 6/1412:28 pmSJO - SDF
1 stop9h 10mMultiple Airlines
Deal found 4/29$347
This Delta deal was found by Cheapflights users on 4/29. 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 stop7h 53mDelta
Wed 9/171:18 pmSJO - SDF
1 stop8h 38mDelta
Deal found 4/29$354
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/108:01 amSDF - SJO
1 stop11h 29mAmerican Airlines
Fri 9/192:20 pmSJO - SDF
2 stops18h 14mAmerican Airlines
Deal found 4/30$358
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 7/108:02 pmSDF - LIR
2 stops19h 16mAmerican Airlines
Fri 7/182:25 pmLIR - SDF
2 stops19h 21mAmerican Airlines
Deal found 4/29$389
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/95:40 amSDF - SJO
2 stops16h 00mSouthwest
Wed 7/168:45 amSJO - SDF
1 stop11h 15mSouthwest
Deal found 4/30$434
This Delta deal was found by Cheapflights users on 4/30. 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.
Mon 7/216:00 amSDF - LIR
1 stop8h 00mDelta
Tue 8/51:25 pmLIR - SDF
1 stop9h 07mDelta
Deal found 4/30$439
This Copa Airlines deal was found by Cheapflights users on 4/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/306:00 amSDF - SJO
2 stops12h 22mCopa Airlines
Sun 6/810:57 amSJO - SDF
2 stops21h 19mCopa Airlines
Deal found 4/30$446
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/297:00 amSDF - SJO
2 stops17h 39mUnited Airlines
Sun 6/85:30 amSJO - SDF
2 stops26h 03mUnited Airlines
Deal found 4/29$448
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 5/299:35 amSDF - LIR
1 stop6h 48mUnited Airlines
Thu 6/511:05 amLIR - SDF
1 stop8h 47mUnited Airlines
Deal found 4/29$514
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Thu 5/2911:23 amSDF - LIR
3 stops46h 22mMultiple Airlines
Thu 6/56:50 amLIR - SDF
2 stops26h 24mMultiple Airlines
Deal found 4/29$630
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/26:00 amSDF - SJO
2 stops16h 25mAir Canada
Wed 7/98:00 amSJO - SDF
2 stops31h 27mAir Canada
Deal found 4/30$1,131

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Costa Rica 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 May 1, 2025.
Use the filters below to find and compare flights from Louisville to Costa Rica that are best for you.

Fly from

Louisville

Fly to

Costa Rica

Route

Depart

Return

Price

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Sat 6/7

6:25 pm-10:27 am

1 stop18h 02m

San José Juan Santamaria Intl

Sat 6/14

12:28 pm-11:38 pm

1 stop9h 10m

$289

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 6/5

11:23 am-6:59 pm

2 stops9h 36m

San José Juan Santamaria Intl

Sat 6/14

12:28 pm-11:38 pm

1 stop9h 10m

$347

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 9/10

6:00 am-11:53 am

1 stop7h 53m

San José Juan Santamaria Intl

Wed 9/17

1:18 pm-11:56 pm

1 stop8h 38m

$354

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 9/10

8:23 pm-9:25 am

2 stops15h 02m

San José Juan Santamaria Intl

Fri 9/19

2:20 pm-10:34 am

2 stops18h 14m

$358

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 7/10

8:02 pm-1:18 pm

2 stops19h 16m

Liberia

Fri 7/18

2:25 pm-11:46 am

2 stops19h 21m

$389

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Wed 7/9

5:40 am-7:40 pm

2 stops16h 00m

San José Juan Santamaria Intl

Wed 7/16

8:45 am-10:00 pm

1 stop11h 15m

$434

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Mon 7/21

6:00 am-12:00 pm

1 stop8h 00m

Liberia

Tue 8/5

1:25 pm-12:32 am

1 stop9h 07m

$439

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Fri 5/30

6:00 am-4:22 pm

2 stops12h 22m

San José Juan Santamaria Intl

Sun 6/8

10:57 am-10:16 am

2 stops21h 19m

$446

LouisvilleSan José

SDF - SJO

SDFSJO

Louisville Intl

Thu 5/29

7:00 am-10:39 pm

2 stops17h 39m

San José Juan Santamaria Intl

Sun 6/8

5:30 am-9:33 am

2 stops26h 03m

$448

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Thu 5/29

9:35 am-2:23 pm

1 stop6h 48m

Liberia

Thu 6/5

11:05 am-9:52 pm

1 stop8h 47m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 results
1
2

Best time to book a flight from Louisville to Costa Rica

Have a flexible travel schedule? Discover the best time to fly to Costa Rica 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 Costa Rica

What is the cheapest month to book a flight from Louisville to Costa Rica?

Currently, September is the cheapest month in which you can book a flight from Louisville to Costa Rica (average of $398). Flying from Louisville to Costa Rica 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 CR?

Find hourly flight availability from Louisville to Costa Rica. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Costa Rica as you normally would.

Rainfall in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Costa Rica ranges from 0.0 - 11.8 inches per month. September is typically the wettest month, when rainfall can reach 11.8 in. February is typically the driest time to visit Costa Rica when rainfall is around 0.0 in.

Temperature in Costa Rica by month

Plan your trip to Costa Rica by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Costa Rica, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 64.4 F).

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. 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 Costa Rica. Reviews last updated May 1, 2025.
See what other customers who have flown with Southwest, Delta and Copa Airlines from Louisville to Costa Rica have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,294 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,934 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Copa Airlines
7.5
Good
1,415 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,696 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,294 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Overall

8.0

Comfort

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Louisville to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Louisville to Costa Rica?

    For a flight from Louisville to Costa Rica, you will be flying from Louisville Intl. Louisville Intl (SDF) is just 5.3 mi from the center of the city.

  • Can I find deals for flights from Louisville to Costa Rica that include hotel bookings?

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

  • How can I find direct flights from Louisville to Costa Rica?

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

  • Can I find deals for business class flights from Louisville to Costa Rica?

    Yes. Cheapflights offers flight deals from Louisville to Costa Rica 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 Costa Rica?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Costa Rica (average of $398). Flying from Louisville to Costa Rica 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

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 Louisville to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to San José flights
Nashville to Liberia flights
Cincinnati to Philip S.W.Goldson flights
Cincinnati to Guatemala City flights
Nashville to Panama City flights
Cincinnati to San José flights
Nashville to Guatemala City flights
Nashville to San Salvador flights
Cincinnati to Liberia flights
Knoxville to San José flights
Louisville to San José flights
Nashville to Philip S.W.Goldson flights
Cincinnati to Coxen Hole flights
Knoxville to Liberia flights
Cincinnati to Panama City flights
Louisville to Panama City flights
Cincinnati to Managua flights
Cincinnati to San Salvador flights
Nashville to Coxen Hole flights
Knoxville to Philip S.W.Goldson flights
Lexington to Panama City flights
Nashville to San Pedro Sula flights
Louisville to Liberia flights
Evansville to Panama City flights
Louisville to Guatemala City flights
Lexington to Liberia flights
Louisville to San Salvador flights
Louisville to Philip S.W.Goldson flights
Knoxville to Panama City flights
Knoxville to Coxen Hole flights
Lexington to San José flights
Louisville to Managua flights
Knoxville to Guatemala City flights
Blountville to San José flights
Lexington to Coxen Hole flights
Knoxville to Managua flights
Cincinnati to San Pedro Sula flights
Lexington to Philip S.W.Goldson flights
Nashville to Tegucigalpa flights
Lexington to Managua flights
Nashville to Managua flights
Blountville to Panama City flights
Louisville to Tegucigalpa flights
Blountville to San Salvador flights
Blountville to San Pedro Sula flights
Blountville to Managua flights
Huntington to San Pedro Sula flights
Huntington to San José flights
Lexington to Tegucigalpa flights

Top 4 airlines flying from Louisville to Costa Rica

Discover the top 4 airlines that operate flights from Louisville to Costa Rica. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$616FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$269Average$393FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$303Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$346Average$603FlexibilityNo 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.