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$427+ Cheap flights from Killeen (GRK) to Costa Rica

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJO
Dec 25 — Jan 11
Thu 12/25
Thu 1/1
1 adult, Economy
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Find flight deals from Killeen to Costa Rica

Cheapest flights from Killeen to Costa Rica
Explore the most affordable flight options available from Killeen to Costa Rica. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.

This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:21 amGRK - SJO
2 stops24h 11mAmerican Airlines
Fri 1/26:20 amSJO - GRK
2 stops35h 36mAmerican Airlines
Deal found 11/24$1,464
This American Airlines deal was found by Cheapflights users on 11/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:32 pmGRK - SJO
2 stops19h 44mAmerican Airlines
Fri 1/26:20 amSJO - GRK
2 stops40h 09mAmerican Airlines
Deal found 11/24$1,549

Cheap flight deals from Killeen to Costa Rica

Keep the following information in mind while searching for Killeen to Costa Rica flight deals. Data was last updated November 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$427
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-San José Juan Santamaria Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-San José Juan Santamaria Intl flights.
Search Deals
From Killeen Fort Hood Regional to Costa Rica
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen 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 November 25, 2025.
Use the filters below to find and compare flights from Killeen to Costa Rica that are best for you.

Fly from

Killeen

Fly to

Costa Rica

Route

Depart

Return

Price

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Mon 2/23

7:00 am-2:25 pm

1 stop7h 25m

Liberia

Thu 2/26

3:18 pm-9:41 am

2 stops18h 23m

$427

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Mon 2/9

5:21 am-10:30 pm

2 stops17h 09m

San José Juan Santamaria Intl

Fri 2/13

7:00 am-9:41 am

2 stops26h 41m

$434

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Sat 12/20

6:32 pm-2:16 pm

2 stops19h 44m

San José Juan Santamaria Intl

Fri 1/2

6:20 am-10:29 pm

2 stops40h 09m

$1,549

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Sun 12/21

10:21 am-10:32 am

2 stops24h 11m

San José Juan Santamaria Intl

Thu 1/1

12:34 am-9:51 am

1 stop9h 17m

$1,570

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Best time to book a flight from Killeen to Costa Rica

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

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

Currently, June is the cheapest month in which you can book a flight from Killeen to Costa Rica (average of $158). Flying from Killeen to Costa Rica in March is currently the most expensive (average of $333). 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 Killeen 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 Killeen to Costa Rica?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Costa Rica. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to Costa Rica?

    For as low as $427, American Airlines can have you in Costa Rica from Killeen in 7h 25m. There are 1618 mi between Killeen and Costa Rica.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Killeen to Costa Rica (average of $158). Flying from Killeen to Costa Rica in March is currently the most expensive (average of $333). 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

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