The cheapest times to fly from BZN to GRK are

  • January 8th to February 4th
  • March 26th to May 6th
  • May 21st to June 17th
  • August 6th to November 18th (except the weeks of October 8th and October 29th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BZN to GRK is early November. Prices can be as high as $1313 for Saturday flights during early to mid March, or as low as $512 for Tuesday flights around early November.


When to Fly to Killeen

Flying from Bozeman, MT (BZN) to Killeen, TX (GRK) will usually cost between $518 to $721 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $535. Due to high demand the most expensive time to fly is early to mid March, with an average price of $710. Planning your trip to low-cost times can easily save you $175 on economy flights and even more on first-class flights. Generally, any price below $548 can be considered a good price for a round-trip BZN to GRK flight.

See below for a graph of average weekly prices for the BZN to GRK route. All prices are for round-trip tickets in USD.

BZN to GRK Flight Prices

Compared to other flights, the BZN to GRK flight is cheaper than the average and costs less than the average flight leaving from Bozeman. The average price per mile (for a direct flight) is $0.27, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $84 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $532. Return trip prices are from the GRK to BZN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BZN to GRK can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 13 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BZN to GRK while comparing.

Destination alternative #1: San Antonio International Airport (SAT) in San Antonio, TX

  • 113 miles (182 km) away from GRK
  • Usually 31.75% less expensive than GRK
  • 1-layover flights available

See BZN to SAT flights

Destination alternative #2: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 61 miles (98 km) away from GRK
  • Usually 31.57% less expensive than GRK
  • 1-layover flights available

See BZN to AUS flights

Destination alternative #3: Dallas/Fort Worth International Airport (DFW) in Dallas/Fort Worth, TX

  • 135 miles (217 km) away from GRK
  • Usually 21.99% less expensive than GRK
  • Nonstop flights available

See BZN to DFW flights

Destination alternative #4: Dallas Love Field Airport (DAL) in Dallas, TX

  • 136 miles (219 km) away from GRK
  • Usually 5.66% less expensive than GRK
  • 1-layover flights available

See BZN to DAL flights


Flight Questions Answered

Still have questions about flying from BZN to GRK? We’ve got answers.

Which airlines fly this route?

You can find 4 major airlines flying this route most often: Alaska, American, Delta, United, and potentially more during busy seasons.

How far away is it from Robert Gray AAF Airport to Bozeman Yellowstone International Airport?

The distance between the two airports is roughly 1242 miles or 1999 kilometers.

How long does it take to fly from BZN to GRK?

The real-world flight time for a nonstop BZN to GRK flight is about 3 hour 13 minutes.

How many flights go between Bozeman, MT and Killeen, TX?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from BZN to GRK.


Airport Location Info


Departing Airport

Origination code BZN
Origination airport name Bozeman Yellowstone International Airport
City Bozeman, MT
Country the United States
Latitude 45.8
Longitude -111.2

Return Airport

Destination code GRK
Destination airport name Robert Gray AAF Airport
City Killeen, TX
Country the United States
Latitude 31.1
Longitude -97.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.