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CSY to RSU: distance & flight time
Cheboksary (Cheboksary Airport) → Yeosu (Yeosu Airport)
3,906 mi
6,286 km · 3,394 nm
8h 7m
estimated nonstop flight time
+6h
time difference · heading east
See live CSY→RSU fares Phone-only fares on this route — call free
Flight time details
3,906 miles nonstop takes roughly 8h 7m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- CSY — Cheboksary Airport · Cheboksary, Russia
- 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 CSY
- JOK · Yoshkar-Ola Airport47 mi away
- KZN · Kazan International Airport82 mi away
- ULY · Ulyanovsk East Airport130 mi away
- ULV · Ulyanovsk Baratayevka Airport131 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 CSY from RSU?
The flight distance from Cheboksary (CSY) to Yeosu (RSU) is 3,906 miles (6,286 km, 3,394 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CSY to RSU?
A nonstop flight takes about 8h 7m 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 Cheboksary and Yeosu?
Yeosu is 6 hours ahead of Cheboksary.
What is the cheapest way to fly from CSY to RSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CSY–RSU that never appear on search engines, with no booking fees.