The cheapest times to fly from COS to GRK are
- January 8th to February 25th
- April 2nd to April 29th (except the week of April 9th)
- August 6th to November 18th
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 COS to GRK is early September. Prices can be as high as $703 for Sunday flights during mid December, or as low as $154 for Tuesday flights around early September.
When to Fly to Killeen
Flying from Colorado Springs, CO (COS) to Killeen, TX (GRK) will usually cost between $206 to $507 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $229. Due to high demand the most expensive time to fly is mid December, with an average price of $473. Planning your trip to low-cost times can easily save you $243 on economy flights and even more on first-class flights. Generally, any price below $322 can be considered a good price for a round-trip COS to GRK flight.
See below for a graph of average weekly prices for the COS to GRK route. All prices are for round-trip tickets in USD.
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Compared to other flights, the COS to GRK flight is much cheaper than the average and costs much less than the average flight leaving from Colorado Springs. 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
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 $158 (38%) 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 $260. Return trip prices are from the GRK to COS flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
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Return Trip Prices by Day
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Nonstop Flights and Layovers
Travelers looking to fly from COS 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 10 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 COS to GRK while comparing.
- 113 miles (182 km) away from GRK
- Usually 16.64% less expensive than GRK
- Nonstop flights available
- 135 miles (217 km) away from GRK
- Usually 5.75% less expensive than GRK
- Nonstop flights available
- 61 miles (98 km) away from GRK
- Usually 5.60% less expensive than GRK
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from COS 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 City of Colorado Springs Municipal Airport?
The distance between the two airports is roughly 661 miles or 1064 kilometers.
How long does it take to fly from COS to GRK?
The real-world flight time for a nonstop COS to GRK flight is about 2 hour 10 minutes.
How many flights go between Colorado Springs, CO and Killeen, TX?
It depends on the day of the week and the date, but a typical day might have around 52 available flights from COS to GRK.
Airport Location Info
Departing Airport
Origination code | COS |
Origination airport name | City of Colorado Springs Municipal Airport |
City | Colorado Springs, CO |
Country | the United States |
Latitude | 38.8 |
Longitude | -104.7 |
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
Flights to GRK
Flights from GRK
Popular Flights
Flights to COS
Flights from COS
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.