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IAD to DWH: distance & flight time
Washington (Washington Dulles International Airport) → Houston (David Wayne Hooks Memorial Airport)
1,196 mi
1,925 km · 1,039 nm
3h 4m
estimated nonstop flight time
-1h
time difference · heading southwest
See live IAD→DWH fares Phone-only fares on this route — call free
Flight time details
1,196 miles nonstop takes roughly 3h 4m 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
- DWH — David Wayne Hooks Memorial 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 DWH
- IAH · George Bush Intercontinental Houston Airport14 mi away
- IWS · West Houston Airport18 mi away
- CXO · Conroe-North Houston Regional Airport22 mi away
- AAP · Andrau Airpark24 mi away
Frequently asked questions
How far is IAD from DWH?
The flight distance from Washington (IAD) to Houston (DWH) is 1,196 miles (1,925 km, 1,039 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to DWH?
A nonstop flight takes about 3h 4m 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 DWH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–DWH that never appear on search engines, with no booking fees.