Need help booking?
Unpublished phone-only deals available
SQH to STL: distance & flight time
Son-La (Na-San Airport) → St. Louis (St Louis Lambert International Airport)
8,190 mi
13,180 km · 7,117 nm
16h 32m
estimated nonstop flight time
-12h
time difference · heading north
See live SQH→STL fares Phone-only fares on this route — call free
Flight time details
8,190 miles nonstop takes roughly 16h 32m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- SQH — Na-San Airport · Son-La, Vietnam
- STL — St Louis Lambert International Airport · St. Louis, United States
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 SQH
- NEU · Sam Neua Airport55 mi away
- DIN · Dien Bien Phu Airport67 mi away
- HAN · Noi Bai International Airport114 mi away
- XKH · Xieng Khouang Airport135 mi away
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
Frequently asked questions
How far is SQH from STL?
The flight distance from Son-La (SQH) to St. Louis (STL) is 8,190 miles (13,180 km, 7,117 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQH to STL?
A nonstop flight takes about 16h 32m 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 Son-La and St. Louis?
St. Louis is 12 hours behind Son-La.
What is the cheapest way to fly from SQH to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQH–STL that never appear on search engines, with no booking fees.