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IAD to SZV: distance & flight time
Washington (Washington Dulles International Airport) → Suzhou (Suzhou Guangfu Airport)
7,452 mi
11,993 km · 6,476 nm
15h 5m
estimated nonstop flight time
+12h
time difference · heading north
See live IAD→SZV fares Phone-only fares on this route — call free
Flight time details
7,452 miles nonstop takes roughly 15h 5m 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
- SZV — Suzhou Guangfu Airport · Suzhou, China
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 SZV
- WUX · Sunan Shuofang International Airport16 mi away
- SHA · Shanghai Hongqiao International Airport55 mi away
- CZX · Changzhou Benniu Airport58 mi away
- RUG · Rugao Air Base69 mi away
Frequently asked questions
How far is IAD from SZV?
The flight distance from Washington (IAD) to Suzhou (SZV) is 7,452 miles (11,993 km, 6,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to SZV?
A nonstop flight takes about 15h 5m 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 Suzhou?
Suzhou is 12 hours ahead of Washington.
What is the cheapest way to fly from IAD to SZV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–SZV that never appear on search engines, with no booking fees.