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IAH to OKC: distance & flight time
Houston (George Bush Intercontinental Houston Airport) → Oklahoma City (Will Rogers World Airport)
396 mi
637 km · 344 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading north
See live IAH→OKC fares Phone-only fares on this route — call free
Flight time details
396 miles nonstop takes roughly 1h 31m gate to gate, flying north. 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
- OKC — Will Rogers World Airport · Oklahoma City, 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 OKC
- PWA · Wiley Post Airport10 mi away
- TIK · Tinker Air Force Base12 mi away
- SWO · Stillwater Regional Airport60 mi away
- CUH · Cushing Municipal Airport60 mi away
Frequently asked questions
How far is IAH from OKC?
The flight distance from Houston (IAH) to Oklahoma City (OKC) is 396 miles (637 km, 344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAH to OKC?
A nonstop flight takes about 1h 31m 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 OKC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAH–OKC that never appear on search engines, with no booking fees.