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$442+ Cheap flights from Killeen (GRK) 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJO
oct. 15 — oct. 221
mer. 10/15
mer. 10/22
1 adult, Economy
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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 septembre 15, 2025.

Round-trip from

$457
(American Airlines)

One-way from

$442
(American Airlines)
From Killeen Fort Hood Regional to Costa Rica
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One-way flight from Killeen Fort Hood Regional to Costa Rica
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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 septembre 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. 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.
sam. 10/252:48 pmGRK - SJO
2 stops23h 50mAmerican Airlines
lun. 11/33:11 pmSJO - GRK
2 stops19h 06mAmerican Airlines
Deal found 9/15$457
This American Airlines deal was found by Cheapflights users on 9/13. 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.
lun. 10/276:13 pmGRK - SJO
2 stops18h 52mAmerican Airlines
ven. 10/316:00 amSJO - GRK
1 stop10h 43mAmerican Airlines
Deal found 9/13$554
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 12/224:00 pmGRK - SJO
2 stops29h 00mAmerican Airlines
dim. 12/283:29 pmSJO - GRK
2 stops26h 27mAmerican Airlines
Deal found 9/14$760
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 12/224:00 pmGRK - SJO
2 stops29h 00mAmerican Airlines
lun. 12/2911:32 amSJO - GRK
2 stops22h 19mAmerican Airlines
Deal found 9/14$805
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mer. 12/246:00 amGRK - SJO
2 stops30h 29mAmerican Airlines
dim. 12/283:29 pmSJO - GRK
2 stops26h 27mAmerican Airlines
Deal found 9/14$840
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 12/226:32 pmGRK - SJO
2 stops19h 44mAmerican Airlines
mer. 12/316:20 amSJO - GRK
2 stops29h 07mAmerican Airlines
Deal found 9/14$858
This American Airlines deal was found by Cheapflights users on 9/14. 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.
jeu. 12/257:11 amGRK - SJO
1 stop7h 18mAmerican Airlines
dim. 12/283:29 pmSJO - GRK
2 stops26h 27mAmerican Airlines
Deal found 9/14$875
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mer. 12/246:00 amGRK - SJO
2 stops30h 29mAmerican Airlines
lun. 12/2911:32 amSJO - GRK
2 stops22h 19mAmerican Airlines
Deal found 9/14$885

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 septembre 15, 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

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

sam. 10/25

6:09 pm-12:05 pm

2 stops18h 56m

San José Juan Santamaria Intl

lun. 11/3

3:11 pm-10:17 am

2 stops19h 06m

$457

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

lun. 10/27

6:13 pm-12:05 pm

2 stops18h 52m

San José Juan Santamaria Intl

ven. 10/31

6:00 am-5:43 pm

1 stop10h 43m

$554

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

lun. 12/22

4:00 pm-9:00 pm

2 stops29h 00m

San José Juan Santamaria Intl

lun. 12/29

11:32 am-9:51 am

2 stops22h 19m

$805

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

lun. 12/22

6:32 pm-10:32 am

2 stops40h 00m

$442

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

jeu. 12/25

7:11 am-2:29 pm

1 stop7h 18m

$562

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

mer. 12/24

10:21 am-8:17 pm

2 stops33h 56m

$589

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

dim. 12/21

4:00 pm-10:45 pm

1 stop6h 45m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, September is the cheapest month in which you can book a flight from Killeen to Costa Rica (average of $398). Flying from Killeen to Costa Rica in March is currently the most expensive (average of $554). 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 $457, American Airlines can have you in Costa Rica from Killeen in 18h 56m. There are 1697 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, September is the cheapest month in which you can book a flight from Killeen to Costa Rica (average of $398). Flying from Killeen to Costa Rica in March is currently the most expensive (average of $554). 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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