$307 Cheap Flights from Killeen (GRK) to Oklahoma City (OKC)

View $307 flight on Fri, Dec 5, 2025Opens in a new window

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Will Rogers World Airport (OKC)

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Cheap Flights from Killeen to Oklahoma City (GRK-OKC)

Prices were available within the past 7 days and start at $307 for one-way flights and $369 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 30 - Thu, Jan 8
GRK
Killeen
OKC
Oklahoma City
$369 Roundtrip, found 3 days ago
$369
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 30 from Killeen to Oklahoma City, returning Thu, Jan 8, priced at $369 found 3 days ago
American Airlines
Sun, Dec 21 - Thu, Jan 1
GRK
Killeen
OKC
Oklahoma City
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 21 from Killeen to Oklahoma City, returning Thu, Jan 1, priced at $389 found 3 days ago
American Airlines
Mon, Jan 5 - Thu, Jan 8
GRK
Killeen
OKC
Oklahoma City
$414 Roundtrip, found 3 days ago
$414
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Jan 5 from Killeen to Oklahoma City, returning Thu, Jan 8, priced at $414 found 3 days ago
American Airlines
Sun, Dec 21 - Tue, Dec 30
GRK
Killeen
OKC
Oklahoma City
$434 Roundtrip, found 3 days ago
$434
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 21 from Killeen to Oklahoma City, returning Tue, Dec 30, priced at $434 found 3 days ago
American Airlines
Tue, Dec 9 - Mon, Dec 22
GRK
Killeen
OKC
Oklahoma City
$437 Roundtrip, found 4 days ago
$437
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Dec 9 from Killeen to Oklahoma City, returning Mon, Dec 22, priced at $437 found 4 days ago
American Airlines
Tue, Dec 30 - Sat, Jan 3
GRK
Killeen
OKC
Oklahoma City
$448 Roundtrip, found 3 days ago
$448
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 30 from Killeen to Oklahoma City, returning Sat, Jan 3, priced at $448 found 3 days ago
American Airlines
Thu, Dec 11 - Mon, Dec 22
GRK
Killeen
OKC
Oklahoma City
$449 Roundtrip, found 4 days ago
$449
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Dec 11 from Killeen to Oklahoma City, returning Mon, Dec 22, priced at $449 found 4 days ago
American Airlines
Fri, Jan 2 - Mon, Jan 5
GRK
Killeen
OKC
Oklahoma City
$459 Roundtrip, found 3 days ago
$459
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Jan 2 from Killeen to Oklahoma City, returning Mon, Jan 5, priced at $459 found 3 days ago
American Airlines
Sat, Jan 3 - Mon, Jan 5
GRK
Killeen
OKC
Oklahoma City
$462 Roundtrip, found 3 days ago
$462
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Jan 3 from Killeen to Oklahoma City, returning Mon, Jan 5, priced at $462 found 3 days ago
American Airlines
Sun, Dec 21 - Sat, Jan 3
GRK
Killeen
OKC
Oklahoma City
$468 Roundtrip, found 3 days ago
$468
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Dec 21 from Killeen to Oklahoma City, returning Sat, Jan 3, priced at $468 found 3 days ago
Flights from Killeen (GRK) to Oklahoma City (OKC)
Origin airport
Killeen-Fort Hood Regional
Destination airport
Will Rogers World
Airlines serving
American Airlines
Roundtrip price
$368
Distance
299 mi

Killeen to Oklahoma City Flights

The cheapest times to fly from Killeen to Oklahoma City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Killeen to Oklahoma City are during the month of December. You can find some of the cheapest flights from Killeen to Oklahoma City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killeen to Oklahoma City

Sunday is one of the best days to book for cheap flights from Killeen to Oklahoma City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Killeen to Oklahoma City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Killeen to Oklahoma City in 2026. You can also book with separate airlines for your outbound and return journeys, from $307 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Killeen to Oklahoma City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Killeen to Oklahoma City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC) cost?
Lock in a cheap one-way flight from $307 or cheap return flight from $369 from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
The cheapest month to fly from GRK to OKC is December, when there's less demand. Off-peak season is generally when better flight deals are available between these airports.
Which airlines fly direct from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
There are no direct flights from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Will Rogers World Airport (OKC). However, you can find other airports with nonstop flights. Begin your journey at Austin-Bergstrom Intl. Airport (AUS) and head straight to Oklahoma City without any detours.
What is the cheapest airline that flies from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
To find the cheapest airline flying from GRK to OKC, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
There aren't any daily nonstop flights departing from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from GRK to OKC?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
Choose a flight from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC) that leaves before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC) last-minute?
Booking your plane ticket from GRK to OKC right before your getaway is usually more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a GRK to OKC flight and hotel package?
Compared with arranging hotels and flights separately, booking a GRK to OKC flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to Will Rogers World Airport (OKC)?
Typically, you can reschedule or cancel your GRK to OKC flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.