Need help booking?
Unpublished phone-only deals available
SUS to YEC: distance & flight time
Null (Spirit of St Louis Airport) → Yechon (Yecheon Airbase)
6,672 mi
10,737 km · 5,797 nm
13h 33m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SUS→YEC fares Phone-only fares on this route — call free
Flight time details
6,672 miles nonstop takes roughly 13h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- SUS — Spirit of St Louis Airport · Null, United States
- YEC — Yecheon Airbase · Yechon, South Korea
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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Near YEC
Frequently asked questions
How far is SUS from YEC?
The flight distance from Null (SUS) to Yechon (YEC) is 6,672 miles (10,737 km, 5,797 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to YEC?
A nonstop flight takes about 13h 33m 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 Null and Yechon?
Yechon is 14 hours ahead of Null.
What is the cheapest way to fly from SUS to YEC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–YEC that never appear on search engines, with no booking fees.