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YNY to HLN: distance & flight time
Sokcho / Gangneung (Yangyang International Airport) → Helena (Helena Regional Airport)
5,490 mi
8,836 km · 4,771 nm
11h 14m
estimated nonstop flight time
-15h
time difference · heading northeast
See live YNY→HLN fares Phone-only fares on this route — call free
Flight time details
5,490 miles nonstop takes roughly 11h 14m 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
- YNY — Yangyang International Airport · Sokcho / Gangneung, South Korea
- HLN — Helena Regional Airport · Helena, 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 YNY
- KAG · Gangneung Airport (K-18)26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- ICN · Incheon International Airport128 mi away
- SSN · Seoul Air Base (K-16)95 mi away
Near HLN
- BTM · Bert Mooney Airport51 mi away
- GTF · Great Falls International Airport67 mi away
- BZN · Gallatin Field70 mi away
- LVM · Mission Field97 mi away
Frequently asked questions
How far is YNY from HLN?
The flight distance from Sokcho / Gangneung (YNY) to Helena (HLN) is 5,490 miles (8,836 km, 4,771 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YNY to HLN?
A nonstop flight takes about 11h 14m 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 Sokcho / Gangneung and Helena?
Helena is 15 hours behind Sokcho / Gangneung.
What is the cheapest way to fly from YNY to HLN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YNY–HLN that never appear on search engines, with no booking fees.