The cheapest times to fly from PIA to GRK are

  • April 9th to April 29th
  • August 13th to November 18th (except the week of October 22nd)
  • December 3rd to February 18th (except the week of December 24th)

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 PIA to GRK is mid January. Prices can be as high as $873 for Sunday flights during mid March, or as low as $278 for Wednesday flights around mid January.


When to Fly to Killeen

Flying from Peoria, IL (PIA) to Killeen, TX (GRK) will usually cost between $298 to $566 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $329. Due to high demand the most expensive time to fly is mid March, with an average price of $612. Planning your trip to low-cost times can easily save you $283 on economy flights and even more on first-class flights. Generally, any price below $391 can be considered a good price for a round-trip PIA to GRK flight.

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

PIA to GRK Flight Prices

Compared to other flights, the PIA to GRK flight is much cheaper than the average and costs less than the average flight leaving from Peoria. The average price per mile (for a direct flight) is $0.3, which is in the normal range for a flight.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays 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 $135 (28%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $337. Return trip prices are from the GRK to PIA 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 PIA 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 26 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 PIA 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 20.33% less expensive than GRK
  • Nonstop flights available

See PIA to DFW flights

Destination alternative #2: San Antonio International Airport (SAT) in San Antonio, TX

  • 113 miles (182 km) away from GRK
  • Usually 18.29% less expensive than GRK
  • 1-layover flights available

See PIA to SAT flights

Destination alternative #3: Austin – Bergstrom International Airport (AUS) in Austin, TX

  • 61 miles (98 km) away from GRK
  • Usually 14.58% less expensive than GRK
  • 1-layover flights available

See PIA to AUS flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 25 major airlines flying this route most often: Aegean, Air Baltic, Air France, Air Malta, Air Serbia, Alitalia, American, Austrian, Brussels Airlines, easyJet, Finnair, Iberia, JAL, KLM, LOT, Lufthansa, Norwegian, Pobeda, RusLine, SAS, Tap Air Portugal, Turkish Airlines, Ukraine International, United, UTair, and potentially more during busy seasons.

How far away is it from Robert Gray AAF Airport to General Downing – Peoria International Airport?

The distance between the two airports is roughly 803 miles or 1292 kilometers.

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

The real-world flight time for a nonstop PIA to GRK flight is about 2 hour 26 minutes.

How many flights go between Peoria, IL and Killeen, TX?

It depends on the day of the week and the date, but a typical day might have around 22 available flights from PIA to GRK.


Airport Location Info


Departing Airport

Origination code PIA
Origination airport name General Downing – Peoria International Airport
City Peoria, IL
Country the United States
Latitude 40.7
Longitude -89.7

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.