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Cheap flights from Killeen to Costa Rica from $526

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to Costa Rica departing on 9/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

American Airlines Logo
5:16 am - 1:01 pmGRK-LIR
8h 45m1 stop
American Airlines Logo
2:01 pm - 11:27 pmLIR-GRK
8h 26m1 stop
$526American Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2
American Airlines Logo
10:08 am - 11:49 amGRK-LIR
26h 41m2 stops
American Airlines Logo
12:49 pm - 9:47 amLIR-GRK
19h 58m2 stops
$530American Airlines
Find Deal
Thu, Sep 25 - Thu, Oct 2
American Airlines Logo
5:16 am - 7:42 pmGRK-SJO
15h 26m2 stops
American Airlines Logo
6:00 am - 9:47 amSJO-GRK
26h 47m2 stops
$580American Airlines
Find Deal
Tue, Sep 23 - Fri, Sep 26
American Airlines Logo
6:13 pm - 6:16 pmGRK-SJO
25h 03m1 stop
American Airlines Logo
6:44 am - 9:33 pmSJO-GRK
13h 49m1 stop
$582American Airlines
Find Deal
Thu, Oct 9 - Tue, Oct 14
American Airlines Logo
6:13 pm - 6:16 pmGRK-SJO
25h 03m1 stop
American Airlines Logo
2:40 pm - 5:38 pmSJO-GRK
25h 58m2 stops
$586American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
6:13 pm - 6:16 pmGRK-SJO
25h 03m1 stop
American Airlines Logo
6:00 am - 9:54 pmSJO-GRK
14h 54m1 stop
$587American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
6:13 pm - 6:16 pmGRK-SJO
25h 03m1 stop
American Airlines Logo
1:00 pm - 10:06 amSJO-GRK
20h 06m2 stops
$591American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
6:13 pm - 12:00 pmGRK-SJO
42h 47m2 stops
American Airlines Logo
2:40 pm - 5:38 pmSJO-GRK
25h 58m2 stops
$599American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13
American Airlines Logo
6:13 pm - 12:00 pmGRK-SJO
42h 47m2 stops
American Airlines Logo
1:00 pm - 10:06 amSJO-GRK
20h 06m2 stops
$604American Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
American Airlines Logo
10:36 am - 1:38 pmGRK-SJO
28h 02m2 stops
American Airlines Logo
2:40 pm - 5:38 pmSJO-GRK
25h 58m2 stops
$610American Airlines
Find Deal
Thu, Oct 9 - Mon, Oct 13

American Airlines flights from Killeen to Costa Rica

Our best American Airlines deals on Killeen to Costa Rica flight tickets
American Airlines
Sep 25
GRK5:16 amKilleen Fort Hood Regional
8h 45m
1 stop
LIR1:01 pmLiberia
Oct 2
LIR2:01 pmLiberia
8h 26m
1 stop
GRK11:27 pmKilleen Fort Hood Regional
$526
Find similar
American Airlines
Sep 25
GRK10:08 amKilleen Fort Hood Regional
26h 41m
2 stops
LIR11:49 amLiberia
Oct 2
LIR12:49 pmLiberia
19h 58m
2 stops
GRK9:47 amKilleen Fort Hood Regional
$530
Find similar
American Airlines
Sep 23
GRK5:16 amKilleen Fort Hood Regional
15h 26m
2 stops
SJO7:42 pmSan José Juan Santamaria Intl
Sep 26
SJO6:00 amSan José Juan Santamaria Intl
26h 47m
2 stops
GRK9:47 amKilleen Fort Hood Regional
$580
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 4, 2025.
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

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Thu 9/25

5:16 am-1:01 pm

1 stop8h 45m

Liberia

Thu 10/2

2:01 pm-11:27 pm

1 stop8h 26m

$526

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Thu 9/25

10:08 am-11:49 am

2 stops26h 41m

Liberia

Thu 10/2

12:49 pm-9:47 am

2 stops19h 58m

$530

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Tue 9/23

5:16 am-7:42 pm

2 stops15h 26m

San José Juan Santamaria Intl

Fri 9/26

6:00 am-9:47 am

2 stops26h 47m

$580

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-6:16 pm

1 stop25h 03m

San José Juan Santamaria Intl

Tue 10/14

6:44 am-9:33 pm

1 stop13h 49m

$582

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-6:16 pm

1 stop25h 03m

San José Juan Santamaria Intl

Mon 10/13

2:40 pm-5:38 pm

2 stops25h 58m

$586

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-6:16 pm

1 stop25h 03m

San José Juan Santamaria Intl

Sun 10/12

6:00 am-9:54 pm

1 stop14h 54m

$587

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-6:16 pm

1 stop25h 03m

San José Juan Santamaria Intl

Sun 10/12

1:00 pm-10:06 am

2 stops20h 06m

$591

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-12:00 pm

2 stops42h 47m

San José Juan Santamaria Intl

Mon 10/13

2:40 pm-5:38 pm

2 stops25h 58m

$599

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

6:13 pm-12:00 pm

2 stops42h 47m

San José Juan Santamaria Intl

Sun 10/12

1:00 pm-10:06 am

2 stops20h 06m

$604

KilleenSan José

GRK - SJO

GRKSJO

Killeen Fort Hood Regional

Thu 10/9

10:36 am-1:38 pm

2 stops28h 02m

San José Juan Santamaria Intl

Mon 10/13

2:40 pm-5:38 pm

2 stops25h 58m

$610

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Killeen to Costa Rica

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to Costa Rica?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Costa Rica from Killeen according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 6 different airlines that fly to Costa Rica on a routine basis, so you have a few additional options to choose from.

Cheap Killeen to Costa Rica flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to Costa Rica

Direct flights

None
There are no direct flights from Killeen to Costa Rica. There are no popular flight routes from Killeen to Costa Rica.
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  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to Costa Rica?

    Prices for flights from Killeen Fort Hood Regional Airport to Costa Rica are refreshed on a daily basis.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to Costa Rica?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents required for your trip to Costa Rica can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Costa Rica. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to Costa Rica?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Killeen to Costa Rica. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Killeen to Costa Rica with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Killeen to Costa Rica flights to just show those with flexible booking policies.

How can momondo help me find flights from Killeen to Costa Rica?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Killeen.

I’m not ready to book a flight from Killeen to Costa Rica right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Killeen to Costa Rica flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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