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IAD to ZBY: distance & flight time
Washington (Washington Dulles International Airport) → Sainyabuli (Sayaboury Airport)
8,416 mi
13,544 km · 7,313 nm
16h 58m
estimated nonstop flight time
—
time difference · heading north
See live IAD→ZBY fares Phone-only fares on this route — call free
Flight time details
8,416 miles nonstop takes roughly 16h 58m gate to gate, flying north. 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
- IAD — Washington Dulles International Airport · Washington, United States
- ZBY — Sayaboury Airport · Sainyabuli, Laos
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 ZBY
- LPQ · Luang Phabang International Airport54 mi away
- NNT · Nan Airport68 mi away
- XKH · Xieng Khouang Airport96 mi away
- ODY · Oudomsay Airport101 mi away
Frequently asked questions
How far is IAD from ZBY?
The flight distance from Washington (IAD) to Sainyabuli (ZBY) is 8,416 miles (13,544 km, 7,313 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to ZBY?
A nonstop flight takes about 16h 58m 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 IAD to ZBY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–ZBY that never appear on search engines, with no booking fees.