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IAD to IWS: distance & flight time
Washington (Washington Dulles International Airport) → Houston (West Houston Airport)
1,212 mi
1,950 km · 1,053 nm
3h 6m
estimated nonstop flight time
-1h
time difference · heading southwest
See live IAD→IWS fares Phone-only fares on this route — call free
Flight time details
1,212 miles nonstop takes roughly 3h 6m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- IWS — West 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 IAD
Near IWS
- IAH · George Bush Intercontinental Houston Airport23 mi away
- AAP · Andrau Airpark8 mi away
- SGR · Sugar Land Regional Airport14 mi away
- DWH · David Wayne Hooks Memorial Airport18 mi away
Frequently asked questions
How far is IAD from IWS?
The flight distance from Washington (IAD) to Houston (IWS) is 1,212 miles (1,950 km, 1,053 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to IWS?
A nonstop flight takes about 3h 6m 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 time difference between Washington and Houston?
Houston is 1 hour behind Washington.
What is the cheapest way to fly from IAD to IWS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–IWS that never appear on search engines, with no booking fees.