Need help booking?
Unpublished phone-only deals available
OSN to DSN: distance & flight time
Osan (Osan Air Base) → Dongsheng (Ordos Ejin Horo Airport)
944 mi
1,520 km · 820 nm
2h 31m
estimated nonstop flight time
-1h
time difference · heading west
See live OSN→DSN fares Phone-only fares on this route — call free
Flight time details
944 miles nonstop takes roughly 2h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- DSN — Ordos Ejin Horo Airport · Dongsheng, China
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 DSN
- BAV · Baotou Airport74 mi away
- UYN · Yulin Yuyang Airport79 mi away
- HET · Baita International Airport140 mi away
- LLV · Lüliang Airport143 mi away
Frequently asked questions
How far is OSN from DSN?
The flight distance from Osan (OSN) to Dongsheng (DSN) is 944 miles (1,520 km, 820 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to DSN?
A nonstop flight takes about 2h 31m 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 Osan and Dongsheng?
Dongsheng is 1 hour behind Osan.
What is the cheapest way to fly from OSN to DSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DSN that never appear on search engines, with no booking fees.