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IAD to BWH: distance & flight time
Washington (Washington Dulles International Airport) → Butterworth (Butterworth Airport)
9,365 mi
15,072 km · 8,138 nm
18h 50m
estimated nonstop flight time
+12h
time difference · heading north
See live IAD→BWH fares Phone-only fares on this route — call free
Flight time details
9,365 miles nonstop takes roughly 18h 50m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- BWH — Butterworth Airport · Butterworth, Malaysia
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 BWH
- PEN · Penang International Airport14 mi away
- AOR · Sultan Abdul Halim Airport50 mi away
- LGK · Langkawi International Airport75 mi away
- IPH · Sultan Azlan Shah Airport79 mi away
Frequently asked questions
How far is IAD from BWH?
The flight distance from Washington (IAD) to Butterworth (BWH) is 9,365 miles (15,072 km, 8,138 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to BWH?
A nonstop flight takes about 18h 50m 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 Butterworth?
Butterworth is 12 hours ahead of Washington.
What is the cheapest way to fly from IAD to BWH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–BWH that never appear on search engines, with no booking fees.