The cheapest times to fly from MLI to GRK are
- January 1st to February 25th
- March 26th to April 29th (except the week of April 2nd)
- August 13th to November 18th (except the weeks of September 3rd, September 10th, and October 15th)
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 MLI to GRK is late January. Prices can be as high as $863 for Sunday flights during early to mid May, or as low as $278 for Tuesday flights around late January.
When to Fly to Killeen
Flying from Moline, IL (MLI) to Killeen, TX (GRK) will usually cost between $298 to $606 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $312. Due to high demand the most expensive time to fly is early to mid May, with an average price of $576. Planning your trip to low-cost times can easily save you $264 on economy flights and even more on first-class flights. Generally, any price below $409 can be considered a good price for a round-trip MLI to GRK flight.
See below for a graph of average weekly prices for the MLI to GRK route. All prices are for round-trip tickets in USD.
Key
Compared to other flights, the MLI to GRK flight is much cheaper than the average and costs less than the average flight leaving from Moline. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.
Flight Prices by Day of the Week
Tuesday 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 $131 (26%) 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 $352. Return trip prices are from the GRK to MLI flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Key
Return Trip Prices by Day
Key
Nonstop Flights and Layovers
Travelers looking to fly from MLI 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 28 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 MLI to GRK while comparing.
- 135 miles (217 km) away from GRK
- Usually 24.30% less expensive than GRK
- Nonstop flights available
- 113 miles (182 km) away from GRK
- Usually 21.54% less expensive than GRK
- 1-layover flights available
- 61 miles (98 km) away from GRK
- Usually 18.85% less expensive than GRK
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from MLI to GRK? We’ve got answers.
Which airlines fly this route?
You can find 2 major airlines flying this route most often: American, United, and potentially more during busy seasons.
How far away is it from Robert Gray AAF Airport to Quad City International Airport?
The distance between the two airports is roughly 824 miles or 1326 kilometers.
How long does it take to fly from MLI to GRK?
The real-world flight time for a nonstop MLI to GRK flight is about 2 hour 28 minutes.
How many flights go between Moline, IL and Killeen, TX?
It depends on the day of the week and the date, but a typical day might have around 16 available flights from MLI to GRK.
Airport Location Info
Departing Airport
Origination code | MLI |
Origination airport name | Quad City International Airport |
City | Moline, IL |
Country | the United States |
Latitude | 41.4 |
Longitude | -90.5 |
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
Flights to GRK
Flights from GRK
Popular Flights
Flights to MLI
Flights from MLI
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.