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YEC to ACH: distance & flight time
Yechon (Yecheon Airbase) → Altenrhein (St Gallen Altenrhein Airport)
5,507 mi
8,863 km · 4,786 nm
11h 16m
estimated nonstop flight time
-7h
time difference · heading northwest
See live YEC→ACH fares Phone-only fares on this route — call free
Flight time details
5,507 miles nonstop takes roughly 11h 16m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- YEC — Yecheon Airbase · Yechon, South Korea
- ACH — St Gallen Altenrhein Airport · Altenrhein, 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 YEC
Near ACH
- HOH · Hohenems-Dornbirn Airport9 mi away
- FDH · Friedrichshafen Airport13 mi away
- ZRH · Zürich Airport47 mi away
- FMM · Memmingen Allgau Airport47 mi away
Frequently asked questions
How far is YEC from ACH?
The flight distance from Yechon (YEC) to Altenrhein (ACH) is 5,507 miles (8,863 km, 4,786 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YEC to ACH?
A nonstop flight takes about 11h 16m 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 Yechon and Altenrhein?
Altenrhein is 7 hours behind Yechon.
What is the cheapest way to fly from YEC to ACH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YEC–ACH that never appear on search engines, with no booking fees.