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Cheap flights from Killeen to Costa Rica from $636

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 6/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Killeen to Costa Rica

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:21 pm - 1:18 pm
GRK
-
LIR
18h 57m
2 stops
American Airlines Logo
2:47 pm - 12:13 pm
LIR
-
GRK
20h 26m
2 stops
$636American Airlines
Fri, Jun 26 - Sun, Jul 5
American Airlines Logo
6:44 am - 2:37 pm
GRK
-
LIR
8h 53m
1 stop
American Airlines Logo
2:47 pm - 12:13 pm
LIR
-
GRK
20h 26m
2 stops
$701American Airlines
Fri, Jun 26 - Sun, Jul 5
GOL Logo
6:44 am - 2:37 pm
GRK
-
LIR
8h 53m
1 stop
GOL Logo
3:41 pm - 6:50 pm
LIR
-
GRK
26h 09m
1 stop
$1,005GOL
Fri, Jun 26 - Sun, Jul 5

American Airlines flights from Killeen to Costa Rica

Our best American Airlines deals on Killeen to Costa Rica flight tickets
American Airlines
Jun 26
GRK7:21 pmKilleen Fort Hood Regional
18h 57m
2 stops
LIR1:18 pmLiberia
Jul 5
LIR2:47 pmLiberia
20h 26m
2 stops
GRK12:13 pmKilleen Fort Hood Regional
$636
American Airlines
Jun 26
GRK6:44 amKilleen Fort Hood Regional
8h 53m
1 stop
LIR2:37 pmLiberia
Jul 5
LIR2:47 pmLiberia
20h 26m
2 stops
GRK12:13 pmKilleen Fort Hood Regional
$701

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 March 19, 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

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Fri 6/26

7:21 pm-1:18 pm

2 stops18h 57m

Liberia

Sun 7/5

2:47 pm-12:13 pm

2 stops20h 26m

$636
Quickest round-trip

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Fri 6/26

6:44 am-2:37 pm

1 stop8h 53m

Liberia

Sun 7/5

2:47 pm-12:13 pm

2 stops20h 26m

$701

KilleenLiberia

GRK - LIR

GRKLIR

Killeen Fort Hood Regional

Fri 6/26

6:44 am-2:37 pm

1 stop8h 53m

Liberia

Sun 7/5

3:41 pm-6:50 pm

1 stop26h 09m

$1,005

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 57% of people opting to fly with this airline when traveling to Costa Rica. Keep in mind that there are 7 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

Fastest flight time

8h 31m

Direct flights

None
The fastest flight from Killeen to Costa Rica takes 8h 31m
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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