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CXO to IAD: distance & flight time
Conroe (Conroe-North Houston Regional Airport) → Washington (Washington Dulles International Airport)
1,178 mi
1,895 km · 1,023 nm
3h 2m
estimated nonstop flight time
+1h
time difference · heading northeast
See live CXO→IAD fares Phone-only fares on this route — call free
Flight time details
1,178 miles nonstop takes roughly 3h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- CXO — Conroe-North Houston Regional Airport · Conroe, United States
- IAD — Washington Dulles International Airport · Washington, 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 CXO
- IAH · George Bush Intercontinental Houston Airport26 mi away
- DWH · David Wayne Hooks Memorial Airport22 mi away
- HTV · Huntsville Regional Airport29 mi away
- IWS · West Houston Airport40 mi away
Frequently asked questions
How far is CXO from IAD?
The flight distance from Conroe (CXO) to Washington (IAD) is 1,178 miles (1,895 km, 1,023 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CXO to IAD?
A nonstop flight takes about 3h 2m 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 Conroe and Washington?
Washington is 1 hour ahead of Conroe.
What is the cheapest way to fly from CXO to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CXO–IAD that never appear on search engines, with no booking fees.