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$738+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJO
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap 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 July 29, 2026.

This American Airlines deal was found by Cheapflights users on 7/26. 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 11/247:00 am
GRK
-
SJO
1 stop6h 43m
American Airlines
Wed 11/2512:30 am
SJO
-
GRK
1 stop14h 11m
American Airlines
Deal found 7/26$738
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 11/233:07 pm
GRK
-
SJO
2 stops21h 51m
American Airlines
Wed 11/252:07 pm
SJO
-
GRK
2 stops24h 34m
American Airlines
Deal found 7/26$743
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 11/236:43 pm
GRK
-
SJO
1 stop19h 00m
American Airlines
Wed 11/2512:30 am
SJO
-
GRK
1 stop9h 00m
American Airlines
Deal found 7/26$745
This American Airlines deal was found by Cheapflights users on 7/26. 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 11/247:00 am
GRK
-
SJO
1 stop6h 43m
American Airlines
Thu 11/2612:30 am
SJO
-
GRK
1 stop11h 29m
American Airlines
Deal found 7/26$749
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 11/233:07 pm
GRK
-
SJO
2 stops21h 51m
American Airlines
Thu 11/2612:30 am
SJO
-
GRK
1 stop11h 29m
American Airlines
Deal found 7/26$754
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Sat 11/216:43 pm
GRK
-
SJO
2 stops20h 08m
American Airlines
Wed 11/2512:30 am
SJO
-
GRK
1 stop9h 00m
American Airlines
Deal found 7/26$775
This American Airlines deal was found by Cheapflights users on 7/26. 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 11/247:00 am
GRK
-
SJO
1 stop6h 43m
American Airlines
Sun 11/2912:30 am
SJO
-
GRK
1 stop9h 00m
American Airlines
Deal found 7/26$789
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 11/236:43 pm
GRK
-
SJO
2 stops18h 15m
American Airlines
Sun 11/2912:30 am
SJO
-
GRK
1 stop14h 11m
American Airlines
Deal found 7/26$794
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 11/206:43 pm
GRK
-
SJO
2 stops26h 10m
American Airlines
Wed 11/252:07 pm
SJO
-
GRK
2 stops19h 23m
American Airlines
Deal found 7/26$804

Find 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 July 29, 2026.

Round-trip from

$738
(American Airlines)
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 July 29, 2026.
Use the filters below to find and compare flights from Killeen to Costa Rica that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Mon 11/23

3:07 pm-12:58 pm

2 stops21h 51m

San José Juan Santamaria Intl

Wed 11/25

12:30 am-9:30 am

1 stop9h 00m

$743

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Mon 11/23

6:43 pm-1:43 pm

1 stop19h 00m

San José Juan Santamaria Intl

Sun 11/29

12:30 am-9:30 am

1 stop9h 00m

$796
Quickest round-trip

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Wed 11/25

3:07 pm-10:39 pm

1 stop7h 32m

San José Juan Santamaria Intl

Sat 11/28

12:30 am-11:59 am

1 stop11h 29m

$844

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Sun 11/22

7:00 am-10:39 pm

1 stop15h 39m

San José Juan Santamaria Intl

Thu 11/26

12:30 am-11:59 am

1 stop11h 29m

$849

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Wed 11/25

3:07 pm-10:39 pm

1 stop7h 32m

San José Juan Santamaria Intl

Fri 11/27

12:30 am-2:41 pm

1 stop14h 11m

$958

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Sat 11/21

6:43 pm-10:39 pm

1 stop27h 56m

San José Juan Santamaria Intl

Fri 11/27

12:30 am-2:41 pm

1 stop14h 11m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Sorted by cheapest first

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

No data available for this route at this time. Please check back soon.

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 $738, American Airlines can have you in Costa Rica from Killeen in 6h 43m. 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.

See more FAQs

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