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SUS to ICN: distance & flight time
Null (Spirit of St Louis Airport) → Seoul (Incheon International Airport)
6,672 mi
10,737 km · 5,797 nm
13h 33m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SUS→ICN 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
- ICN — Incheon International Airport · Seoul, 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 mi away
Frequently asked questions
How far is SUS from ICN?
The flight distance from Null (SUS) to Seoul (ICN) 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 ICN?
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.
Are there nonstop flights from SUS to ICN?
Nonstop service on SUS–ICN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 13h 33m nonstop estimate.
What is the time difference between Null and Seoul?
Seoul is 14 hours ahead of Null.
What is the cheapest way to fly from SUS to ICN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–ICN that never appear on search engines, with no booking fees.
Why are some SUS to ICN fares phone-only?
Consolidator contracts let us sell certain SUS–ICN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.