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OSF to SSN: distance & flight time
Moscow (Ostafyevo International Airport) → Seoul East (Seoul Air Base (K-16))
4,126 mi
6,641 km · 3,586 nm
8h 33m
estimated nonstop flight time
+6h
time difference · heading northeast
See live OSF→SSN fares Phone-only fares on this route — call free
Flight time details
4,126 miles nonstop takes roughly 8h 33m gate to gate, flying northeast. 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
- OSF — Ostafyevo International Airport · Moscow, Russia
- 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 OSF
- VKO · Vnukovo International Airport11 mi away
- DME · Domodedovo International Airport17 mi away
- BKA · Bykovo Airport23 mi away
- ZIA · Zhukovsky International Airport25 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 OSF from SSN?
The flight distance from Moscow (OSF) to Seoul East (SSN) is 4,126 miles (6,641 km, 3,586 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSF to SSN?
A nonstop flight takes about 8h 33m 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 OSF to SSN?
Nonstop service on OSF–SSN 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 8h 33m nonstop estimate.
What is the time difference between Moscow and Seoul East?
Seoul East is 6 hours ahead of Moscow.
What is the cheapest way to fly from OSF to SSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSF–SSN that never appear on search engines, with no booking fees.
Why are some OSF to SSN fares phone-only?
Consolidator contracts let us sell certain OSF–SSN 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.