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Unpublished phone-only deals available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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSN–OSN that never appear on search engines, with no booking fees.