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SIA to OSN: distance & flight time
Xi\'AN (Xi'an Xiguan Airport) → Osan (Osan Air Base)
1,020 mi
1,642 km · 887 nm
2h 41m
estimated nonstop flight time
+1h
time difference · heading east
See live SIA→OSN fares Phone-only fares on this route — call free
Flight time details
1,020 miles nonstop takes roughly 2h 41m 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
- SIA — Xi'an Xiguan Airport · Xi\'AN, 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 SIA
- XIY · Xi'an Xianyang International Airport22 mi away
- AKA · Ankang Wulipu Airport116 mi away
- YCU · Yuncheng Guangong Airport120 mi away
- IQN · Qingyang Airport130 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 SIA from OSN?
The flight distance from Xi\'AN (SIA) to Osan (OSN) is 1,020 miles (1,642 km, 887 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIA to OSN?
A nonstop flight takes about 2h 41m 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 Xi\'AN and Osan?
Osan is 1 hour ahead of Xi\'AN.
What is the cheapest way to fly from SIA to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIA–OSN that never appear on search engines, with no booking fees.