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IAD to OTP: distance & flight time
Washington (Washington Dulles International Airport) → Bucharest (Henri Coandă International Airport)
4,965 mi
7,990 km · 4,314 nm
10h 12m
estimated nonstop flight time
+7h
time difference · heading northeast
See live IAD→OTP fares Phone-only fares on this route — call free
Flight time details
4,965 miles nonstop takes roughly 10h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- OTP — Henri Coandă International Airport · Bucharest, Romania
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 OTP
- BBU · Băneasa International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport100 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport119 mi away
Frequently asked questions
How far is IAD from OTP?
The flight distance from Washington (IAD) to Bucharest (OTP) is 4,965 miles (7,990 km, 4,314 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to OTP?
A nonstop flight takes about 10h 12m 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 Bucharest?
Bucharest is 7 hours ahead of Washington.
What is the cheapest way to fly from IAD to OTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–OTP that never appear on search engines, with no booking fees.