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$576+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJO
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 6, 2025.

This American Airlines deal was found by Cheapflights users on 11/6. 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 12/410:31 amGRK - SJO
1 stop12h 28mAmerican Airlines
Sat 12/66:20 amSJO - GRK
1 stop14h 45mAmerican Airlines
Deal found 11/6$576
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/37:15 pmGRK - SJO
1 stop27h 44mAmerican Airlines
Mon 12/82:56 pmSJO - GRK
1 stop7h 22mAmerican Airlines
Deal found 11/6$582
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/37:15 pmGRK - SJO
1 stop27h 44mAmerican Airlines
Tue 12/91:15 pmSJO - GRK
2 stops20h 48mAmerican Airlines
Deal found 11/6$587
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/37:15 pmGRK - SJO
1 stop27h 44mAmerican Airlines
Sun 12/77:00 amSJO - GRK
2 stops38h 05mAmerican Airlines
Deal found 11/6$598
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/24:10 pmGRK - SJO
1 stop7h 02mAmerican Airlines
Tue 12/92:56 pmSJO - GRK
1 stop7h 22mAmerican Airlines
Deal found 11/6$604
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/410:31 amGRK - SJO
1 stop12h 28mAmerican Airlines
Sun 12/77:00 amSJO - GRK
2 stops38h 05mAmerican Airlines
Deal found 11/6$605
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/106:05 amGRK - SJO
1 stop8h 05mAmerican Airlines
Fri 11/146:22 amSJO - GRK
1 stop12h 04mAmerican Airlines
Deal found 11/5$606
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/16:50 pmGRK - SJO
2 stops18h 49mAmerican Airlines
Mon 12/86:00 amSJO - GRK
2 stops15h 05mAmerican Airlines
Deal found 11/6$608
This American Airlines deal was found by Cheapflights users on 11/5. 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 11/115:05 amGRK - SJO
1 stop9h 05mAmerican Airlines
Fri 11/143:11 pmSJO - GRK
2 stops18h 15mAmerican Airlines
Deal found 11/5$610
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/16:50 pmGRK - SJO
1 stop28h 22mAmerican Airlines
Sun 12/77:00 amSJO - GRK
2 stops38h 05mAmerican Airlines
Deal found 11/6$626

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$576
(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
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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 6, 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

Thu 12/4

4:10 pm-10:59 pm

1 stop6h 49m

San José Juan Santamaria Intl

Mon 12/8

2:56 pm-10:18 pm

1 stop7h 22m

$576

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 12/4

10:31 am-10:59 pm

1 stop12h 28m

San José Juan Santamaria Intl

Sat 12/6

6:20 am-9:05 pm

1 stop14h 45m

$576

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Mon 12/8

6:05 am-10:28 pm

2 stops16h 23m

San José Juan Santamaria Intl

Thu 12/11

6:20 am-11:39 pm

1 stop17h 19m

$580

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Wed 12/3

7:15 pm-10:59 pm

1 stop27h 44m

San José Juan Santamaria Intl

Mon 12/8

6:00 am-10:18 pm

2 stops16h 18m

$587

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Mon 12/1

6:50 pm-11:12 pm

1 stop28h 22m

San José Juan Santamaria Intl

Sun 12/7

7:00 am-9:05 pm

2 stops38h 05m

$626

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Wed 12/3

5:05 am-1:39 pm

2 stops32h 34m

San José Juan Santamaria Intl

Sun 12/7

7:00 am-9:05 pm

2 stops38h 05m

$653

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Sun 11/23

6:05 am-10:13 pm

2 stops16h 08m

San José Juan Santamaria Intl

Fri 11/28

6:00 am-10:01 am

2 stops28h 01m

$815

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 July is currently the most expensive (average of $336). 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 $576, American Airlines can have you in Costa Rica from Killeen in 6h 49m. 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, 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 July is currently the most expensive (average of $336). 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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