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IAH to GRK: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Killeen (Robert Gray Army Air Field Airport)
166 mi
267 km · 144 nm
54m
estimated nonstop flight time
Same time
time difference · heading northwest
See live IAH→GRK fares Phone-only fares on this route — call free
Flight time details
166 miles nonstop takes roughly 54m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IAH — George Bush Intercontinental Houston Airport · Houston, United States
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Near GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Frequently asked questions
How far is IAH from GRK?
The flight distance from Houston (IAH) to Killeen (GRK) is 166 miles (267 km, 144 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to GRK?
A nonstop flight takes about 54m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from IAH to GRK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–GRK that never appear on search engines, with no booking fees.