Need help booking?
Unpublished phone-only deals available
STL to ZHI: distance & flight time
St. Louis (St Louis Lambert International Airport) → Grenchen (Grenchen Airport)
4,644 mi
7,474 km · 4,036 nm
9h 34m
estimated nonstop flight time
+7h
time difference · heading northeast
See live STL→ZHI fares Phone-only fares on this route — call free
Flight time details
4,644 miles nonstop takes roughly 9h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- STL — St Louis Lambert International Airport · St. Louis, United States
- ZHI — Grenchen Airport · Grenchen, Switzerland
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 ZHI
- BRN · Bern Belp Airport19 mi away
- BSL · EuroAirport Basel-Mulhouse-Freiburg Airport29 mi away
- QNC · Neuchatel Airport30 mi away
- BOR · Fontaine Airport38 mi away
Frequently asked questions
How far is STL from ZHI?
The flight distance from St. Louis (STL) to Grenchen (ZHI) is 4,644 miles (7,474 km, 4,036 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to ZHI?
A nonstop flight takes about 9h 34m 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 Grenchen?
Grenchen is 7 hours ahead of St. Louis.
What is the cheapest way to fly from STL to ZHI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–ZHI that never appear on search engines, with no booking fees.