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STL to CTU: distance & flight time
St. Louis (St Louis Lambert International Airport) → Chengdu (Chengdu Shuangliu International Airport)
7,559 mi
12,165 km · 6,568 nm
15h 17m
estimated nonstop flight time
+13h
time difference · heading north
See live STL→CTU fares Phone-only fares on this route — call free
Flight time details
7,559 miles nonstop takes roughly 15h 17m gate to gate, flying north. 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
- CTU — Chengdu Shuangliu International Airport · Chengdu, 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 CTU
- MIG · Mianyang Airport75 mi away
- YBP · Yibin Caiba Airport128 mi away
- NAO · Nanchong Airport132 mi away
- KGT · Kangding Airport135 mi away
Frequently asked questions
How far is STL from CTU?
The flight distance from St. Louis (STL) to Chengdu (CTU) is 7,559 miles (12,165 km, 6,568 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to CTU?
A nonstop flight takes about 15h 17m 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 St. Louis and Chengdu?
Chengdu is 13 hours ahead of St. Louis.
What is the cheapest way to fly from STL to CTU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–CTU that never appear on search engines, with no booking fees.