$539+ Cheap flights from Knoxville to Killeen (TYS - 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — GRK
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Killeen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Knoxville to Killeen
Cheapest
Best
Last-minute
Cheapest flights from Knoxville to KilleenExplore the most affordable flight options available from Knoxville to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
Explore the most affordable flight options available from Knoxville to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/152:43 pm -
1 stop5h 02m
Sat 9/195:00 am -
1 stop5h 17m
Deal found 9/11![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/156:00 am -
1 stop7h 17m
Fri 10/163:16 pm -
1 stop7h 02m
Deal found 9/11![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/235:26 pm -
1 stop7h 10m
Sun 10/253:16 pm -
1 stop7h 02m
Deal found 9/10![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/263:21 pm -
1 stop6h 42m
Wed 9/305:00 am -
1 stop5h 17m
Deal found 9/11![American Airlines logo]()
$559
Best flights from Knoxville to KilleenDiscover carefully curated flight deals from Knoxville to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
Discover carefully curated flight deals from Knoxville to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2026.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/233:00 pm -
1 stop6h 52m
Sun 10/2512:28 pm -
1 stop6h 00m
Deal found 9/11![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/2612:09 pm -
2 stops9h 54m
Wed 9/305:00 am -
2 stops9h 22m
Deal found 9/11![American Airlines logo]()
$569
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/96:00 am -
1 stop6h 58m
Fri 10/163:16 pm -
1 stop7h 02m
Deal found 9/11![American Airlines logo]()
$632
Last-minute flights from Knoxville to KilleenDiscover last-minute flight deals from Knoxville to Killeen. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Killeen. Data last updated September 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/152:43 pm -
1 stop5h 02m
Sat 9/195:00 am -
1 stop5h 17m
Deal found 9/11![American Airlines logo]()
$539
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Tue 9/156:00 am -
1 stop7h 17m
Fri 10/163:16 pm -
1 stop7h 02m
Deal found 9/11![American Airlines logo]()
$545
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 9/263:21 pm -
1 stop6h 42m
Wed 9/305:00 am -
1 stop5h 17m
Deal found 9/11![American Airlines logo]()
$559
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/235:26 pm -
1 stop7h 10m
Sun 10/253:16 pm -
1 stop7h 02m
Deal found 9/10![American Airlines logo]()
$551
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/296:00 am -
1 stop6h 58m
Mon 11/25:00 am -
2 stops9h 23m
Deal found 9/14![American Airlines logo]()
$576
Find flight deals from Knoxville to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) 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 September 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $551 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville 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 7,457,451 searches. Data last updated September 14, 2026.
Use the filters below to find and compare flights from Knoxville to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
KnoxvilleKilleen
TYS Knoxville McGhee Tyson - GRK Killeen Fort Hood Regional
TYSGRK
Knoxville McGhee Tyson
Fri 10/23
3:00 pm-8:52 pm
1 stop6h 52m
Killeen Fort Hood Regional
Sun 10/25
12:28 pm-7:28 pm
1 stop6h 00m
$551
KnoxvilleKilleen
TYS Knoxville McGhee Tyson - GRK Killeen Fort Hood Regional
TYSGRK
Knoxville McGhee Tyson
Sat 9/26
12:09 pm-9:03 pm
2 stops9h 54m
Killeen Fort Hood Regional
Wed 9/30
5:00 am-3:22 pm
2 stops9h 22m
$569
KnoxvilleKilleen
TYS Knoxville McGhee Tyson - GRK Killeen Fort Hood Regional
TYSGRK
Knoxville McGhee Tyson
Fri 10/9
6:00 am-11:58 am
1 stop6h 58m
Killeen Fort Hood Regional
Fri 10/16
3:16 pm-11:18 pm
1 stop7h 02m
$632
Sorted by cheapest first
Compare providers for flights from Knoxville to Killeen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Killeen in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Knoxville-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Knoxville-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 Knoxville-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 Knoxville to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Knoxville with our price prediction graph.
TYS-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.
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 September 14, 2026.
Read through reviews of airlines operating flights from Knoxville to Killeen, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.4
Crew
7.9
Overall
7.1
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Boarding
7.4
Crew
7.9
Overall
7.1
Food
6.4
Entertainment
6.8
Comfort
7.2
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Knoxville 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 Knoxville to Killeen
Discover the top airline that operate flights from Knoxville 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 September 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$402 | FlexibilityNo cancel fee | On-time71% |