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ICN to SFZ: distance & flight time
Seoul (Incheon International Airport) → Smithfield (North Central State Airport)
6,836 mi
11,002 km · 5,940 nm
13h 52m
estimated nonstop flight time
-13h
time difference · heading north
See live ICN→SFZ fares Phone-only fares on this route — call free
Flight time details
6,836 miles nonstop takes roughly 13h 52m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- SFZ — North Central State Airport · Smithfield, 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 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
Near SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is ICN from SFZ?
The flight distance from Seoul (ICN) to Smithfield (SFZ) is 6,836 miles (11,002 km, 5,940 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to SFZ?
A nonstop flight takes about 13h 52m 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 ICN to SFZ?
Nonstop service on ICN–SFZ 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 52m nonstop estimate.
What is the time difference between Seoul and Smithfield?
Smithfield is 13 hours behind Seoul.
What is the cheapest way to fly from ICN to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–SFZ that never appear on search engines, with no booking fees.
Why are some ICN to SFZ fares phone-only?
Consolidator contracts let us sell certain ICN–SFZ 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.