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RSU to STL: distance & flight time
Yeosu (Yeosu Airport) → St. Louis (St Louis Lambert International Airport)
6,802 mi
10,947 km · 5,911 nm
13h 48m
estimated nonstop flight time
-14h
time difference · heading northeast
See live RSU→STL fares Phone-only fares on this route — call free
Flight time details
6,802 miles nonstop takes roughly 13h 48m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- RSU — Yeosu Airport · Yeosu, South Korea
- STL — St Louis Lambert International Airport · St. Louis, 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 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
Near STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is RSU from STL?
The flight distance from Yeosu (RSU) to St. Louis (STL) is 6,802 miles (10,947 km, 5,911 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RSU to STL?
A nonstop flight takes about 13h 48m 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 Yeosu and St. Louis?
St. Louis is 14 hours behind Yeosu.
What is the cheapest way to fly from RSU to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RSU–STL that never appear on search engines, with no booking fees.