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ICN to TWF: distance & flight time
Seoul (Incheon International Airport) → Twin Falls (Joslin Field Magic Valley Regional Airport)
5,716 mi
9,199 km · 4,967 nm
11h 40m
estimated nonstop flight time
-15h
time difference · heading northeast
See live ICN→TWF fares Phone-only fares on this route — call free
Flight time details
5,716 miles nonstop takes roughly 11h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, 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 TWF
- BYI · Burley Municipal Airport37 mi away
- SUN · Friedman Memorial Airport71 mi away
- MUO · Mountain Home Air Force Base80 mi away
- PIH · Pocatello Regional Airport101 mi away
Frequently asked questions
How far is ICN from TWF?
The flight distance from Seoul (ICN) to Twin Falls (TWF) is 5,716 miles (9,199 km, 4,967 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to TWF?
A nonstop flight takes about 11h 40m 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 Seoul and Twin Falls?
Twin Falls is 15 hours behind Seoul.
What is the cheapest way to fly from ICN to TWF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–TWF that never appear on search engines, with no booking fees.