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$408+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — SJO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$408
(American Airlines)
From Killeen Fort Hood Regional to Costa Rica
Search Deals

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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 9/2310:17 amGRK - SJO
1 stop8h 40mAmerican Airlines
Fri 9/267:27 amSJO - GRK
1 stop7h 43mAmerican Airlines
Deal found 7/2$408
This American Airlines deal was found by Cheapflights users on 6/30. 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.
Mon 9/225:16 amGRK - LIR
1 stop8h 46mAmerican Airlines
Fri 9/2612:49 pmLIR - GRK
2 stops22h 00mAmerican Airlines
Deal found 6/30$485

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 3, 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

Tue 9/23

10:17 am-5:57 pm

1 stop8h 40m

San José Juan Santamaria Intl

Fri 9/26

7:27 am-4:10 pm

1 stop7h 43m

$408

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Mon 9/22

5:16 am-1:02 pm

1 stop8h 46m

Liberia

Fri 9/26

12:49 pm-11:49 am

2 stops22h 00m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $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.

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 July 3, 2025.
Read through reviews of airlines operating flights from Killeen to Costa Rica, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Crew

8.0

Overall

7.2

Entertainment

6.9

Comfort

7.2

Food

6.5

Reviews

1 / 20
6.0
Good

sheila,Mar 2025

DFW - MSP

We were delayed for 3 hours with no real reason or offer for compensation

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.

  • 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 $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

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