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Costa Rica

$118+ Cheap flights from Kentucky 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SJO
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
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Cheap flight deals from Kentucky to Costa Rica

Cheapest flights from Kentucky to Costa Rica
Explore the most affordable flight options available from Kentucky to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.

This American Airlines deal was found by Cheapflights users on 5/28. 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 10/117:22 pm
BNA
-
SJO
2 stops18h 38m
American Airlines
Sat 10/172:45 pm
SJO
-
BNA
2 stops17h 47m
American Airlines
Deal found 5/28$307
This United Airlines deal was found by Cheapflights users on 5/24. 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.
Tue 8/257:00 am
BNA
-
SJO
1 stop14h 19m
United Airlines
Tue 9/291:25 pm
SJO
-
BNA
1 stop7h 36m
United Airlines
Deal found 5/24$312
This United Airlines deal was found by Cheapflights users on 5/28. 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.
Wed 9/166:30 am
BNA
-
SJO
1 stop6h 51m
United Airlines
Sun 9/201:25 pm
SJO
-
BNA
1 stop8h 20m
United Airlines
Deal found 5/28$322
This American Airlines deal was found by Cheapflights users on 5/28. 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.
Sat 7/45:41 pm
BNA
-
LIR
2 stops18h 41m
American Airlines
Sat 7/112:27 pm
LIR
-
BNA
1 stop16h 56m
American Airlines
Deal found 5/28$340
This JetBlue deal was found by Cheapflights users on 5/24. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:45 am
BNA
-
LIR
1 stop8h 10m
JetBlue
Wed 10/212:05 pm
LIR
-
BNA
1 stop7h 17m
JetBlue
Deal found 5/24$348
This American Airlines deal was found by Cheapflights users on 5/25. 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 7/33:31 pm
BNA
-
LIR
1 stop23h 11m
American Airlines
Wed 7/812:22 pm
LIR
-
BNA
1 stop7h 19m
American Airlines
Deal found 5/25$349
This American Airlines deal was found by Cheapflights users on 5/25. 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.
Sat 10/176:30 pm
BNA
-
LIR
2 stops17h 35m
American Airlines
Fri 10/232:10 pm
LIR
-
BNA
1 stop18h 13m
American Airlines
Deal found 5/25$353
This United Airlines deal was found by Cheapflights users on 5/24. 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 9/146:30 am
BNA
-
SJO
1 stop6h 51m
United Airlines
Sat 9/197:55 am
SJO
-
BNA
1 stop9h 50m
United Airlines
Deal found 5/24$363
This American Airlines deal was found by Cheapflights users on 5/26. 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 11/37:18 pm
BNA
-
SJO
1 stop17h 04m
American Airlines
Wed 11/116:22 am
SJO
-
BNA
1 stop10h 15m
American Airlines
Deal found 5/26$367
This American Airlines deal was found by Cheapflights users on 5/25. 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 12/146:48 am
BNA
-
SJO
1 stop7h 18m
American Airlines
Tue 12/223:29 pm
SJO
-
BNA
1 stop9h 10m
American Airlines
Deal found 5/25$372
This American Airlines deal was found by Cheapflights users on 5/25. 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 12/314:39 pm
BNA
-
SJO
2 stops17h 53m
American Airlines
Sat 1/92:54 pm
SJO
-
BNA
2 stops18h 26m
American Airlines
Deal found 5/25$377
This American Airlines deal was found by Cheapflights users on 5/28. 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 11/277:16 pm
BNA
-
LIR
1 stop17h 56m
American Airlines
Sun 12/63:10 pm
LIR
-
BNA
2 stops18h 17m
American Airlines
Deal found 5/28$378

Find flight deals from Kentucky to Costa Rica

Keep the following information in mind while searching for Kentucky to Costa Rica flight deals. Data was last updated May 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$307
(American Airlines)

One-way from

$130
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$505
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 Kentucky to Costa Rica
Search Deals
One-way flight from Kentucky to Costa Rica
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky 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 29, 2026.
Use the filters below to find and compare flights from Kentucky to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Wed 9/16

7:25 am-7:37 pm

2 stops13h 12m

San José Juan Santamaria Intl

Sun 9/20

1:25 pm-10:45 pm

1 stop8h 20m

$340

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Mon 9/14

6:30 am-12:21 pm

1 stop6h 51m

San José Juan Santamaria Intl

Sat 9/19

7:55 am-6:45 pm

1 stop9h 50m

$363

NashvilleLiberia

BNA - LIR

BNALIR

Nashville Intl

Mon 9/21

5:45 am-12:55 pm

1 stop8h 10m

Liberia

Fri 9/25

2:05 pm-10:22 pm

1 stop7h 17m

$399

NashvilleLiberia

BNA - LIR

BNALIR

Nashville Intl

Sat 8/15

6:30 am-12:10 pm

1 stop6h 40m

Liberia

Thu 8/20

1:20 pm-12:35 pm

2 stops22h 15m

$409

NashvilleLiberia

BNA - LIR

BNALIR

Nashville Intl

Sat 8/15

5:40 am-1:15 pm

1 stop8h 35m

Liberia

Thu 8/20

2:45 pm-11:17 pm

1 stop7h 32m

$418

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Tue 10/20

6:15 am-7:37 pm

1 stop14h 22m

San José Juan Santamaria Intl

Fri 10/23

12:44 pm-9:31 am

2 stops19h 47m

$422

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Sat 9/12

7:00 am-11:38 am

1 stop29h 38m

San José Juan Santamaria Intl

Sat 9/19

7:55 am-9:34 am

2 stops24h 39m

$455

LouisvilleLiberia

SDF - LIR

SDFLIR

Louisville Intl

Mon 11/2

5:35 am-6:37 pm

2 stops14h 02m

Liberia

Thu 11/5

8:35 am-9:30 pm

1 stop11h 55m

$466

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Fri 7/3

12:49 pm-10:39 pm

2 stops10h 50m

San José Juan Santamaria Intl

Sat 7/11

12:30 am-9:47 am

1 stop8h 17m

$471

NashvilleLiberia

BNA - LIR

BNALIR

Nashville Intl

Mon 9/21

6:42 pm-12:10 pm

2 stops18h 28m

Liberia

Fri 9/25

1:20 pm-10:01 pm

1 stop7h 41m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Costa Rica

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

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

Currently, December is the cheapest month in which you can book a flight from Kentucky to Costa Rica (average of $195). Flying from Kentucky to Costa Rica in August is currently the most expensive (average of $426). 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.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Costa Rica. 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 Kentucky to Costa Rica?

    Airlines like United Airlines, JetBlue, and American Airlines fly from Kentucky to Costa Rica in about 6h 05m. The time it takes to get you to your destination can typically vary by up to 7h 07m. Airlines will cover a distance of 1764 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Kentucky to Costa Rica (average of $195). Flying from Kentucky to Costa Rica in August is currently the most expensive (average of $426). 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

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Alternative routes for Kentucky to Costa Rica

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to San Salvador flights
John F Kennedy Intl to Panama City flights
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Newark to Panama City flights
Reagan-National to San Salvador flights
LaGuardia to San José flights
Miami to San Salvador flights
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Ontario to San Salvador flights
Los Angeles to San José flights
Baltimore to San Salvador flights
Dulles Intl to Guatemala City flights
Baltimore to Panama City flights
LaGuardia to San Salvador flights
Atlanta to San José flights
George Bush Intcntl to Guatemala City flights
Newark to San Salvador flights
Hobby to San José flights
Dallas/Fort Worth to Guatemala City flights
LaGuardia to Guatemala City flights
Dallas/Fort Worth to San José flights
Miami to Guatemala City flights
George Bush Intcntl to San Pedro Sula flights
John F Kennedy Intl to Guatemala City flights
Los Angeles to Liberia flights
Dallas/Fort Worth to Panama City flights
John F Kennedy Intl to Liberia flights
San Francisco to San José flights
Baltimore to San José flights
Miami to San Pedro Sula flights
George Bush Intcntl to San José flights
Los Angeles to Panama City flights
Atlanta to San Salvador flights
Reagan-National to San José flights

Top 3 airlines flying from Kentucky to Costa Rica

Discover the top 3 airlines that operate flights from Kentucky 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$295Average$619FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$351Average$608FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$371Average$570FlexibilityNo cancel feeOn-time69%

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