$447+ Cheap flights from Buffalo to Killeen (BUF - 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — GRK
Jul 7 — Jul 141
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Buffalo 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 Buffalo to Killeen
Cheapest
Best
One-way
Cheapest flights from Buffalo to KilleenExplore the most affordable flight options available from Buffalo to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
Explore the most affordable flight options available from Buffalo to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/2. 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 9/107:00 am
BUF
- GRK
1 stop6h 17m
American Airlines
Thu 9/243:09 pm
GRK
- BUF
1 stop6h 50m
American Airlines
Deal found 6/2![American Airlines logo]()
$447
Best flights from Buffalo to KilleenDiscover carefully curated flight deals from Buffalo to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
Discover carefully curated flight deals from Buffalo to Killeen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/2. 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 9/107:00 am
BUF
- GRK
1 stop6h 17m
American Airlines
Thu 9/243:09 pm
GRK
- BUF
1 stop6h 50m
American Airlines
Deal found 6/2![American Airlines logo]()
$447
One-way flights from Buffalo to KilleenSearch for one-way flight options from Buffalo to Killeen. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
Search for one-way flight options from Buffalo to Killeen. Find affordable one-way fares based on user searches. Data last updated June 7, 2026.
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 7/274:46 pm
BUF
- GRK
1 stop7h 53m
American Airlines
Deal found 6/6![American Airlines logo]()
$508
Find flight deals from Buffalo to Killeen
Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) 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 June 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $447 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Buffalo 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 June 7, 2026.
Use the filters below to find and compare flights from Buffalo to Killeen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BuffaloKilleen
BUF - GRK
BUFGRK
Buffalo
Thu 9/10
7:00 am-12:17 pm
1 stop6h 17m
Killeen Fort Hood Regional
Thu 9/24
3:09 pm-10:59 pm
1 stop6h 50m
$447
Cheapest one-way
Quickest one-way
BuffaloKilleen
BUF - GRK
BUFGRK
Buffalo
Mon 7/27
4:46 pm-11:39 pm
1 stop7h 53m
$508
Sorted by cheapest first
Compare providers for flights from Buffalo 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 Buffalo to Killeen in June.
| 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 Buffalo-Killeen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buffalo-Killeen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buffalo-Killeen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Buffalo-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 Buffalo-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 Buffalo to Killeen
Have a flexible travel schedule? Discover the best time to fly to Killeen from Buffalo with our price prediction graph.
BUF-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 June 7, 2026.
Read through reviews of airlines operating flights from Buffalo to Killeen, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
6.4
Entertainment
6.9
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Food
6.4
Entertainment
6.9
Boarding
7.5
Overall
7.1
Comfort
7.2
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Related info for your journey
Find useful and relevant information for your journey from Buffalo 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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Buffalo
Popular flights
Alternative routes for Buffalo to Killeen
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Killeen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Buffalo to Killeen by cabin class
Find flights from Buffalo to Killeen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Buffalo and Killeen flights
Browse other Buffalo and Killeen flight options. Last updated on June 7, 2026.
Other flights from Buffalo
Browse through other flights departing from Buffalo. Flights are based on user searches made on Cheapflights and were last updated on June 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Buffalo to Killeen
Discover the top airline that operate flights from Buffalo 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 2,558,603 searches. Data last updated June 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$406 | Average$618 | FlexibilityNo cancel fee | On-time71% |