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$100+ 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 6/2. 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
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Cheap 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 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$289
(Kiwi.com)

One-way from

$100
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$491
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 Kentucky to Costa Rica
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One-way flight from Kentucky to Costa Rica
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Highest demand for flights based on searches. 8% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find 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 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.
Fri 5/305:10 amCVG - SJO
1 stop7h 17mMultiple Airlines
Mon 6/212:28 pmSJO - CVG
1 stop23h 40mMultiple Airlines
Deal found 4/29$310
This American Airlines deal was found by Cheapflights users on 5/1. 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 6/56:12 pmLEX - LIR
2 stops19h 33mAmerican Airlines
Thu 6/121:59 pmLIR - LEX
2 stops18h 27mAmerican Airlines
Deal found 5/1$329
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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/18:20 pmBNA - SJO
2 stops15h 07mMultiple Airlines
Mon 6/912:28 pmSJO - BNA
1 stop8h 17mMultiple Airlines
Deal found 4/30$351
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.
Mon 6/162:03 pmBNA - SJO
3 stops22h 16mSpirit Airlines
Fri 6/2012:28 pmSJO - BNA
2 stops30h 15mSpirit Airlines
Deal found 4/29$353
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 4/30. 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.
Fri 5/168:00 amBNA - SJO
1 stop11h 35mAmerican Airlines
Tue 5/2711:59 pmSJO - BNA
2 stops12h 35mAmerican Airlines
Deal found 4/30$360
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/253:10 pmTYS - SJO
1 stop21h 26mMultiple Airlines
Thu 7/37:30 amSJO - TYS
1 stop24h 41mMultiple Airlines
Deal found 4/30$388
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 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.
Sat 6/217:06 pmBNA - LIR
1 stop17h 18mAmerican Airlines
Wed 6/2512:45 pmLIR - BNA
1 stop10h 14mAmerican Airlines
Deal found 4/30$394

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 1, 2025.
Use the filters below to find and compare flights from Kentucky to Costa Rica that are best for you.

Fly from

Kentucky

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

CincinnatiSan José

CVG - SJO

CVGSJO

Cincinnati Cinci./N. Kentucky

Fri 5/30

5:10 am-10:27 am

1 stop7h 17m

San José Juan Santamaria Intl

Mon 6/2

12:28 pm-2:08 pm

1 stop23h 40m

$310

LexingtonLiberia

LEX - LIR

LEXLIR

Lexington Blue Grass

Thu 6/5

6:12 pm-11:45 am

2 stops19h 33m

Liberia

Thu 6/12

1:59 pm-10:26 am

2 stops18h 27m

$329

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

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Sun 6/1

8:20 pm-10:27 am

2 stops15h 07m

San José Juan Santamaria Intl

Mon 6/9

12:28 pm-9:45 pm

1 stop8h 17m

$351

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Mon 6/16

2:03 pm-11:19 am

3 stops22h 16m

San José Juan Santamaria Intl

Fri 6/20

12:28 pm-7:43 pm

2 stops30h 15m

$353

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

NashvilleSan José

BNA - SJO

BNASJO

Nashville Intl

Fri 5/16

8:00 am-6:35 pm

1 stop11h 35m

San José Juan Santamaria Intl

Tue 5/27

11:59 pm-1:34 pm

2 stops12h 35m

$360

KnoxvilleSan José

TYS - SJO

TYSSJO

Knoxville McGhee Tyson

Wed 6/25

3:10 pm-10:36 am

1 stop21h 26m

San José Juan Santamaria Intl

Thu 7/3

7:30 am-10:11 am

1 stop24h 41m

$388

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 44 results
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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, September is the cheapest month in which you can book a flight from Kentucky to Costa Rica (average of $398). Flying from Kentucky 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 KY to CR?

Find hourly flight availability from Kentucky 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 Kentucky 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.
To help decide which airline to fly from Kentucky to Costa Rica, see what other customers have to say about Alaska Airlines, Southwest and Delta. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Copa Airlines
7.5
Good
1,414 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Kentucky to Costa Rica one-way?

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Kentucky to Costa Rica for a low price.

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

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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.
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Top 4 airlines flying from Kentucky to Costa Rica

Discover the top 4 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$644FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$269Average$393FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$303Average$562FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$346Average$681FlexibilityNo cancel feeOn-time71%

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