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STL to SZV: distance & flight time
St. Louis (St Louis Lambert International Airport) → Suzhou (Suzhou Guangfu Airport)
7,210 mi
11,604 km · 6,266 nm
14h 36m
estimated nonstop flight time
+13h
time difference · heading northwest
See live STL→SZV fares Phone-only fares on this route — call free
Flight time details
7,210 miles nonstop takes roughly 14h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
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 STL from SZV?
The flight distance from St. Louis (STL) to Suzhou (SZV) is 7,210 miles (11,604 km, 6,266 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to SZV?
A nonstop flight takes about 14h 36m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from STL to SZV?
Nonstop service on STL–SZV depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 14h 36m nonstop estimate.
What is the time difference between St. Louis and Suzhou?
Suzhou is 13 hours ahead of St. Louis.
What is the cheapest way to fly from STL to SZV?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–SZV that never appear on search engines, with no booking fees.
Why are some STL to SZV fares phone-only?
Consolidator contracts let us sell certain STL–SZV tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.