Need help booking?
Unpublished phone-only deals available
TWF to SSN: distance & flight time
Twin Falls (Joslin Field Magic Valley Regional Airport) → Seoul East (Seoul Air Base (K-16))
5,694 mi
9,163 km · 4,948 nm
11h 38m
estimated nonstop flight time
+15h
time difference · heading northwest
See live TWF→SSN fares Phone-only fares on this route — call free
Flight time details
5,694 miles nonstop takes roughly 11h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- TWF — Joslin Field Magic Valley Regional Airport · Twin Falls, United States
- SSN — Seoul Air Base (K-16) · Seoul East, 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 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
Near SSN
- ICN · Incheon International Airport36 mi away
- SWU · Suwon Airport15 mi away
- GMP · Gimpo International Airport19 mi away
- OSN · Osan Air Base25 mi away
Frequently asked questions
How far is TWF from SSN?
The flight distance from Twin Falls (TWF) to Seoul East (SSN) is 5,694 miles (9,163 km, 4,948 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TWF to SSN?
A nonstop flight takes about 11h 38m 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 Twin Falls and Seoul East?
Seoul East is 15 hours ahead of Twin Falls.
What is the cheapest way to fly from TWF to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TWF–SSN that never appear on search engines, with no booking fees.