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WYS to RSU: distance & flight time
West Yellowstone (Yellowstone Airport) → Yeosu (Yeosu Airport)
5,826 mi
9,376 km · 5,063 nm
11h 53m
estimated nonstop flight time
+16h
time difference · heading northwest
See live WYS→RSU fares Phone-only fares on this route — call free
Flight time details
5,826 miles nonstop takes roughly 11h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- WYS — Yellowstone Airport · West Yellowstone, United States
- RSU — Yeosu Airport · Yeosu, 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 WYS
- BZN · Gallatin Field75 mi away
- JAC · Jackson Hole Airport77 mi away
- LVM · Mission Field77 mi away
- IDA · Idaho Falls Regional Airport94 mi away
Near RSU
- HIN · Sacheon Air Base/Airport31 mi away
- KWJ · Gwangju Airport50 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)64 mi away
- MPK · Mokpo Heliport70 mi away
Frequently asked questions
How far is WYS from RSU?
The flight distance from West Yellowstone (WYS) to Yeosu (RSU) is 5,826 miles (9,376 km, 5,063 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WYS to RSU?
A nonstop flight takes about 11h 53m 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 WYS to RSU?
Nonstop service on WYS–RSU 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 11h 53m nonstop estimate.
What is the time difference between West Yellowstone and Yeosu?
Yeosu is 16 hours ahead of West Yellowstone.
What is the cheapest way to fly from WYS to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WYS–RSU that never appear on search engines, with no booking fees.
Why are some WYS to RSU fares phone-only?
Consolidator contracts let us sell certain WYS–RSU 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.