$257 Cheap Flights from Buffalo (BUF) to Killeen (GRK)

View $257 flight on Tue, Sep 9, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Killeen, TX (GRK-Killeen-Fort Hood Regional)

Cheap Flights from Buffalo to Killeen (BUF-GRK)

Prices were available within the past 7 days and start at $257 for one-way flights and $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Sep 23 - Tue, Sep 30
BUF
Buffalo
GRK
Killeen
$427 Roundtrip, found 5 hours ago
$427
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Buffalo to Killeen, returning Tue, Sep 30, priced at $427 found 5 hours ago
American Airlines
Tue, Sep 23 - Wed, Oct 1
BUF
Buffalo
GRK
Killeen
$432 Roundtrip, found 5 hours ago
$432
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Tue, Sep 23 from Buffalo to Killeen, returning Wed, Oct 1, priced at $432 found 5 hours ago
American Airlines
Thu, Sep 25 - Tue, Sep 30
BUF
Buffalo
GRK
Killeen
$457 Roundtrip, found 5 hours ago
$457
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Buffalo to Killeen, returning Tue, Sep 30, priced at $457 found 5 hours ago
American Airlines
Thu, Sep 25 - Wed, Oct 1
BUF
Buffalo
GRK
Killeen
$462 Roundtrip, found 5 hours ago
$462
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Buffalo to Killeen, returning Wed, Oct 1, priced at $462 found 5 hours ago
American Airlines
Fri, Sep 26 - Tue, Sep 30
BUF
Buffalo
GRK
Killeen
$477 Roundtrip, found 5 hours ago
$477
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Sep 26 from Buffalo to Killeen, returning Tue, Sep 30, priced at $477 found 5 hours ago
American Airlines
Tue, Nov 25 - Wed, Dec 3
BUF
Buffalo
GRK
Killeen
$482 Roundtrip, found 4 hours ago
$482
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Nov 25 from Buffalo to Killeen, returning Wed, Dec 3, priced at $482 found 4 hours ago
American Airlines
Thu, Sep 25 - Sat, Sep 27
BUF
Buffalo
GRK
Killeen
$487 Roundtrip, found 5 hours ago
$487
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Buffalo to Killeen, returning Sat, Sep 27, priced at $487 found 5 hours ago
American Airlines
Fri, Sep 26 - Wed, Oct 1
BUF
Buffalo
GRK
Killeen
$487 Roundtrip, found 5 hours ago
$487
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Sep 26 from Buffalo to Killeen, returning Wed, Oct 1, priced at $487 found 5 hours ago
American Airlines
Thu, Sep 25 - Thu, Oct 2
BUF
Buffalo
GRK
Killeen
$492 Roundtrip, found 5 hours ago
$492
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Sep 25 from Buffalo to Killeen, returning Thu, Oct 2, priced at $492 found 5 hours ago
American Airlines
Fri, Sep 26 - Sat, Sep 27
BUF
Buffalo
GRK
Killeen
$507 Roundtrip, found 5 hours ago
$507
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Fri, Sep 26 from Buffalo to Killeen, returning Sat, Sep 27, priced at $507 found 5 hours ago
Flights from Buffalo (BUF) to Killeen (GRK)
Origin airport
Buffalo Niagara Intl.
Destination airport
Killeen-Fort Hood Regional
Roundtrip price
$426
Distance
1329 mi

Buffalo to Killeen Flights

The cheapest times to fly from Buffalo to Killeen

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

 

The best time to book a flight from Buffalo to Killeen

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

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 Buffalo to Killeen in 2025. You can also book with separate airlines for your outbound and return journeys, from $257 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 Buffalo to Killeen 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 Buffalo to Killeen 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 Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK) cost?
Get a cheap one-way flight from $257 or cheap return flight from $427 from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK) 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 Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK)?
September is the most affordable month to fly from BUF to GRK. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from BUF to GRK. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK)?
You'll have to catch a flight with a layover if you're traveling from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BUF to GRK?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including 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 Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK)?
Select a flight from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures 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 Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK) last-minute?
Waiting until just before your trip to book a ticket from BUF to GRK often results in higher prices. While it's possible to find some last-minute offers, they're not always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a BUF to GRK flight and hotel package?
Opting for a BUF to GRK flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our impressive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Killeen-Fort Hood Regional Airport (GRK)?
In most instances, you can reschedule or cancel your BUF to GRK flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.