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OSR to GMP: distance & flight time
Ostrava (Ostrava Leos Janáček Airport) → Seoul (Gimpo International Airport)
5,010 mi
8,062 km · 4,353 nm
10h 17m
estimated nonstop flight time
+8h
time difference · heading northeast
See live OSR→GMP fares Phone-only fares on this route — call free
Flight time details
5,010 miles nonstop takes roughly 10h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
- GMP — Gimpo International Airport · Seoul, 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 OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Near GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is OSR from GMP?
The flight distance from Ostrava (OSR) to Seoul (GMP) is 5,010 miles (8,062 km, 4,353 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSR to GMP?
A nonstop flight takes about 10h 17m 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 OSR to GMP?
Nonstop service on OSR–GMP 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 10h 17m nonstop estimate.
What is the time difference between Ostrava and Seoul?
Seoul is 8 hours ahead of Ostrava.
What is the cheapest way to fly from OSR to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSR–GMP that never appear on search engines, with no booking fees.
Why are some OSR to GMP fares phone-only?
Consolidator contracts let us sell certain OSR–GMP 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.