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OSN to KRH: distance & flight time
Osan (Osan Air Base) → Redhill (Redhill Aerodrome)
5,549 mi
8,931 km · 4,822 nm
11h 21m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OSN→KRH fares Phone-only fares on this route — call free
Flight time details
5,549 miles nonstop takes roughly 11h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- KRH — Redhill Aerodrome · Redhill, United Kingdom
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 OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Near KRH
- LGW · London Gatwick Airport5 mi away
- LHR · London Heathrow Airport23 mi away
- BQH · London Biggin Hill Airport11 mi away
- LCY · London City Airport22 mi away
Frequently asked questions
How far is OSN from KRH?
The flight distance from Osan (OSN) to Redhill (KRH) is 5,549 miles (8,931 km, 4,822 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to KRH?
A nonstop flight takes about 11h 21m 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 OSN to KRH?
Nonstop service on OSN–KRH 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 21m nonstop estimate.
What is the time difference between Osan and Redhill?
Redhill is 8 hours behind Osan.
What is the cheapest way to fly from OSN to KRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–KRH that never appear on search engines, with no booking fees.
Why are some OSN to KRH fares phone-only?
Consolidator contracts let us sell certain OSN–KRH 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.