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SZL to IAH: distance & flight time
Knobnoster (Whiteman Air Force Base) → Houston (George Bush Intercontinental Houston Airport)
613 mi
986 km · 533 nm
1h 48m
estimated nonstop flight time
Same time
time difference · heading south
See live SZL→IAH fares Phone-only fares on this route — call free
Flight time details
613 miles nonstop takes roughly 1h 48m gate to gate, flying south. 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
- SZL — Whiteman Air Force Base · Knobnoster, United States
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 SZL
- MKC · Charles B. Wheeler Downtown Airport62 mi away
- OJC · Johnson County Executive Airport65 mi away
- AIZ · Lee C Fine Memorial Airport70 mi away
- COU · Columbia Regional Airport72 mi away
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
Frequently asked questions
How far is SZL from IAH?
The flight distance from Knobnoster (SZL) to Houston (IAH) is 613 miles (986 km, 533 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SZL to IAH?
A nonstop flight takes about 1h 48m 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 SZL to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SZL–IAH that never appear on search engines, with no booking fees.