The cheapest times to fly from JAX to GRK are

  • January 8th to February 4th
  • May 21st to July 15th
  • August 13th to November 11th (except the week of October 8th)

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 JAX to GRK is late September. Prices can be as high as $675 for Friday flights during mid to late November, or as low as $238 for Tuesday flights around late September.


When to Fly to Killeen

Flying from Jacksonville, FL (JAX) to Killeen, TX (GRK) will usually cost between $258 to $452 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $257. Due to high demand the most expensive time to fly is mid to late November, with an average price of $416. Planning your trip to low-cost times can easily save you $159 on economy flights and even more on first-class flights. Generally, any price below $315 can be considered a good price for a round-trip JAX to GRK flight.

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

JAX to GRK Flight Prices

Compared to other flights, the JAX to GRK flight is much cheaper than the average and costs much less than the average flight leaving from Jacksonville. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays 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 $82 (22%) 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 $285. Return trip prices are from the GRK to JAX 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 JAX 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 2 hour 42 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 JAX to GRK while comparing.

Destination alternative #1: Dallas/Fort Worth International Airport (DFW) in Dallas/Fort Worth, TX

  • 135 miles (217 km) away from GRK
  • Usually 11.75% less expensive than GRK
  • Nonstop flights available

See JAX to DFW flights

Destination alternative #2: Dallas Love Field Airport (DAL) in Dallas, TX

  • 136 miles (219 km) away from GRK
  • Usually 3.81% less expensive than GRK
  • Nonstop flights available

See JAX to DAL flights

Destination alternative #3: San Antonio International Airport (SAT) in San Antonio, TX

  • 113 miles (182 km) away from GRK
  • Usually 3.33% less expensive than GRK
  • 1-layover flights available

See JAX to SAT flights

Destination alternative #4: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 61 miles (98 km) away from GRK
  • Usually 2.54% less expensive than GRK
  • 1-layover flights available

See JAX to AUS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 3 major airlines flying this route most often: American, Delta, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 958 miles or 1542 kilometers.

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

The real-world flight time for a nonstop JAX to GRK flight is about 2 hour 42 minutes.

How many flights go between Jacksonville, FL and Killeen, TX?

It depends on the day of the week and the date, but a typical day might have around 60 available flights from JAX to GRK.


Airport Location Info


Departing Airport

Origination code JAX
Origination airport name Jacksonville International Airport
City Jacksonville, FL
Country the United States
Latitude 30.5
Longitude -81.7

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.