$639+ Cheap flights from Columbus to Killeen (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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — GRK
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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Cheapest
Last-minute
Cheapest flights from Columbus to KilleenExplore the most affordable flight options available from Columbus to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
Explore the most affordable flight options available from Columbus to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 24, 2026.
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 8/235:44 am -
1 stop7h 23m
Sun 8/303:05 pm -
1 stop7h 35m
Deal found 8/20![American Airlines logo]()
$639
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 8/209:03 pm -
2 stops22h 49m
Mon 8/315:00 am -
1 stop4h 40m
Deal found 8/20![American Airlines logo]()
$810
Last-minute flights from Columbus to KilleenDiscover last-minute flight deals from Columbus to Killeen. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Columbus to Killeen. Data last updated August 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 8/209:03 pm -
2 stops22h 49m
Mon 8/315:00 am -
1 stop4h 40m
Deal found 8/20![American Airlines logo]()
$810
This American Airlines deal was found by Cheapflights users on 8/20. 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.
Sun 8/235:44 am -
1 stop7h 23m
Sun 8/303:05 pm -
1 stop7h 35m
Deal found 8/20![American Airlines logo]()
$639
Best time to book a flight from Columbus to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Columbus with our price prediction graph.
C01-GRK
CMH-GRK
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 Columbus to Killeen
C01-GRK
CMH-GRK
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing Killeen
Get insights into the airlines that provide service to Killeen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Killeen. Reviews last updated August 24, 2026.
Peruse reviews from past customers who have flown with American Airlines from Columbus to Killeen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.1
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Overall
7.1
Comfort
7.2
Crew
7.9
Food
6.4
Entertainment
6.8
Boarding
7.5
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Columbus to Killeen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Killeen?
Book flights to Killeen if you plan to visit one of these locationsTemple
Copperas Cove
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Top airline flying from Columbus to Killeen
Discover the top airline that operate flights from Columbus to Killeen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$436 | FlexibilityNo cancel fee | On-time71% |