Need help booking?
Unpublished phone-only deals available
ACH to CHS: distance & flight time
Altenrhein (St Gallen Altenrhein Airport) → Charleston (Charleston Air Force Base-International Airport)
4,571 mi
7,356 km · 3,972 nm
9h 26m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ACH→CHS fares Phone-only fares on this route — call free
Flight time details
4,571 miles nonstop takes roughly 9h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ACH — St Gallen Altenrhein Airport · Altenrhein, Switzerland
- CHS — Charleston Air Force Base-International Airport · Charleston, 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 ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Near CHS
- BFT · Beaufort County Airport48 mi away
- GGE · Georgetown County Airport51 mi away
- HHH · Hilton Head Airport60 mi away
- OGB · Orangeburg Municipal Airport61 mi away
Frequently asked questions
How far is ACH from CHS?
The flight distance from Altenrhein (ACH) to Charleston (CHS) is 4,571 miles (7,356 km, 3,972 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACH to CHS?
A nonstop flight takes about 9h 26m 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 Altenrhein and Charleston?
Charleston is 6 hours behind Altenrhein.
What is the cheapest way to fly from ACH to CHS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACH–CHS that never appear on search engines, with no booking fees.