$189 Cheap Flights from Killeen (GRK) to Columbus (CMH)

View $189 flight on Fri, Oct 10, 2025Opens in a new window

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to John Glenn Columbus Intl. Airport (CMH)

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Cheap Flights from Killeen to Columbus (GRK-CMH)

Prices were available within the past 7 days and start at $189 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 23 - Fri, Oct 31
GRK
Killeen
CMH
Columbus
$319 Roundtrip, found 13 hours ago
$319
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Killeen to Columbus, returning Fri, Oct 31, priced at $319 found 13 hours ago
American Airlines
Thu, Oct 23 - Sat, Nov 1
GRK
Killeen
CMH
Columbus
$324 Roundtrip, found 13 hours ago
$324
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Killeen to Columbus, returning Sat, Nov 1, priced at $324 found 13 hours ago
American Airlines
Wed, Oct 22 - Sat, Nov 1
GRK
Killeen
CMH
Columbus
$329 Roundtrip, found 13 hours ago
$329
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Killeen to Columbus, returning Sat, Nov 1, priced at $329 found 13 hours ago
American Airlines
Thu, Oct 23 - Fri, Oct 31
GRK
Killeen
CMH
Columbus
$347 Roundtrip, found 5 days ago
$347
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Oct 23 from Killeen to Columbus, returning Fri, Oct 31, priced at $347 found 5 days ago
American Airlines
Sat, Oct 11 - Sun, Oct 12
GRK
Killeen
CMH
Columbus
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Oct 11 from Killeen to Columbus, returning Sun, Oct 12, priced at $353 found 2 days ago
American Airlines
Thu, Oct 23 - Fri, Oct 31
GRK
Killeen
CMH
Columbus
$358 Roundtrip, found 13 hours ago
$358
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Killeen to Columbus, returning Fri, Oct 31, priced at $358 found 13 hours ago
American Airlines
Thu, Oct 23 - Fri, Oct 31
GRK
Killeen
CMH
Columbus
$363 Roundtrip, found 13 hours ago
$363
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Thu, Oct 23 from Killeen to Columbus, returning Fri, Oct 31, priced at $363 found 13 hours ago
American Airlines
Wed, Oct 22 - Sat, Nov 1
GRK
Killeen
CMH
Columbus
$368 Roundtrip, found 13 hours ago
$368
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Wed, Oct 22 from Killeen to Columbus, returning Sat, Nov 1, priced at $368 found 13 hours ago
American Airlines
Sat, Oct 25 - Tue, Oct 28
GRK
Killeen
CMH
Columbus
$370 Roundtrip, found 5 days ago
$370
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 25 from Killeen to Columbus, returning Tue, Oct 28, priced at $370 found 5 days ago
American Airlines
Sat, Oct 25 - Sun, Nov 2
GRK
Killeen
CMH
Columbus
$393 Roundtrip, found 5 days ago
$393
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct 25 from Killeen to Columbus, returning Sun, Nov 2, priced at $393 found 5 days ago
Flights from Killeen (GRK) to Columbus (CMH)
Origin airport
Killeen-Fort Hood Regional
Destination airport
John Glenn Columbus Intl.
Airlines serving
American Airlines
Roundtrip price
$318
Distance
1039 mi

Killeen to Columbus Flights

The cheapest times to fly from Killeen to Columbus

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 Columbus are during the month of October. You can find some of the cheapest flights from Killeen to Columbus with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killeen to Columbus

Sunday is one of the best days to book for cheap flights from Killeen to Columbus: 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 Columbus

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 Columbus in 2025. You can also book with separate airlines for your outbound and return journeys, from $189 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 Columbus 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 Columbus 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 John Glenn Columbus Intl. Airport (CMH) cost?
Get a cheap one-way flight from $189 or cheap return flight from $319 from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH) 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 John Glenn Columbus Intl. Airport (CMH)?
Planning your getaway for October is a great way to save, as it's the cheapest month for flights between GRK and CMH. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH)?
Although Killeen, TX (GRK-Killeen-Fort Hood Regional) doesn't offer any direct flights to John Glenn Columbus Intl. Airport (CMH), other airports have nonstop routes. Departing from Austin-Bergstrom Intl. Airport (AUS) will get you to Columbus without any layovers.
What is the cheapest airline that flies from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from GRK to CMH. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
How many flights per day from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH)?
Direct flights from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GRK to CMH?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on various factors, such as the carrier and season.*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 John Glenn Columbus Intl. Airport (CMH)?
Choose a flight from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 John Glenn Columbus Intl. Airport (CMH) last-minute?
Booking your flight from GRK to CMH just before your journey is generally more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a GRK to CMH flight and hotel package?
Opting for a GRK to CMH flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Killeen-Fort Hood Regional Airport (GRK) to John Glenn Columbus Intl. Airport (CMH)?
If you booked your GRK to CMH flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.