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INT to IAD: distance & flight time
Winston-salem (Smith Reynolds Airport) → Washington (Washington Dulles International Airport)
246 mi
396 km · 214 nm
1h 7m
estimated nonstop flight time
Same time
time difference · heading northeast
See live INT→IAD fares Phone-only fares on this route — call free
Flight time details
246 miles nonstop takes roughly 1h 7m gate to gate, flying northeast. 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
- INT — Smith Reynolds Airport · Winston-salem, 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 INT
- GSO · Piedmont Triad International Airport16 mi away
- CLT · Charlotte Douglas International Airport75 mi away
- SVH · Statesville Regional Airport48 mi away
- IKB · Wilkes County Airport49 mi away
Frequently asked questions
How far is INT from IAD?
The flight distance from Winston-salem (INT) to Washington (IAD) is 246 miles (396 km, 214 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INT to IAD?
A nonstop flight takes about 1h 7m 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 INT to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INT–IAD that never appear on search engines, with no booking fees.