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Killeen

$375+ Cheap flights from Sioux Falls to Killeen (FSD - GRK)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — GRK
févr. 26 — mars 51
jeu. 2/26
jeu. 3/5
1 adult, Economy
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Cheap flight deals from Sioux Falls to Killeen

Cheapest flights from Sioux Falls to Killeen
Explore the most affordable flight options available from Sioux Falls to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 27, 2026.

This American Airlines deal was found by Cheapflights users on 1/25. 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.
mar. 2/245:31 pm
FSD
-
GRK
1 stop5h 05m
American Airlines
mar. 3/312:01 pm
GRK
-
FSD
1 stop4h 48m
American Airlines
Deal found 1/25$375
This American Airlines deal was found by Cheapflights users on 1/25. 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.
jeu. 1/297:00 am
FSD
-
GRK
1 stop5h 01m
American Airlines
sam. 1/319:48 am
GRK
-
FSD
1 stop7h 11m
American Airlines
Deal found 1/25$419

Find flight deals from Sioux Falls to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Sioux Falls (FSD) to Killeen (GRK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janvier 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$375
(American Airlines)
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Killeen Fort Hood Regional flight deals.
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Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Killeen Fort Hood Regional flights.
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From Sioux Falls Joe Foss Field to Killeen Fort Hood Regional
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Sioux Falls to Killeen 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 janvier 27, 2026.
Use the filters below to find and compare flights from Sioux Falls to Killeen that are best for you.

Fly from

Sioux Falls

Fly to

Killeen

Route

Depart

Return

Price

Sioux FallsKilleen

FSD - GRK

FSDGRK

Sioux Falls Joe Foss Field

mar. 2/24

5:31 pm-10:36 pm

1 stop5h 05m

Killeen Fort Hood Regional

mar. 3/3

12:01 pm-4:49 pm

1 stop4h 48m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Sioux Falls-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sioux Falls-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sioux Falls-Killeen flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sioux Falls-Killeen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sioux Falls-Killeen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sioux Falls to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Sioux Falls 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 Sioux Falls to Killeen

What is the cheapest month to book a flight from Sioux Falls to Killeen?

Currently, October is the cheapest month in which you can book a flight from Sioux Falls to Killeen (average of $164). Flying from Sioux Falls to Killeen in May is currently the most expensive (average of $301). 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 Sioux Falls to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sioux Falls to Killeen?

    Airlines like American Airlines fly from Sioux Falls to Killeen in about 5h 05m. The time it takes to get you to your destination can typically vary by up to . There are 866 mi between Sioux Falls and Killeen.

  • Can I find deals for flights from Sioux Falls to Killeen that include hotel bookings?

    Yes. In addition to deals on Sioux Falls to Killeen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sioux Falls to Killeen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sioux Falls to Killeen.

  • Can I find deals for business class flights from Sioux Falls to Killeen?

    Yes. Cheapflights offers flight deals from Sioux Falls to Killeen 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 Sioux Falls to Killeen?

    Currently, October is the cheapest month in which you can book a flight from Sioux Falls to Killeen (average of $164). Flying from Sioux Falls to Killeen in May is currently the most expensive (average of $301). 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

Traveling to a place near Killeen?

Book flights to Killeen if you plan to visit one of these locations
Temple
Copperas Cove

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