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DCU to IAH: distance & flight time
Decatur (Pryor Field Regional Airport) → Houston (George Bush Intercontinental Houston Airport)
586 mi
944 km · 510 nm
1h 44m
estimated nonstop flight time
—
time difference · heading southwest
See live DCU→IAH fares Phone-only fares on this route — call free
Flight time details
586 miles nonstop takes roughly 1h 44m gate to gate, flying southwest. 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
- DCU — Pryor Field Regional Airport · Decatur, 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 DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 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 DCU from IAH?
The flight distance from Decatur (DCU) to Houston (IAH) is 586 miles (944 km, 510 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCU to IAH?
A nonstop flight takes about 1h 44m 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 DCU to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCU–IAH that never appear on search engines, with no booking fees.