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UIH to OSN: distance & flight time
Phucat (Phu Cat Airport) → Osan (Osan Air Base)
1,945 mi
3,130 km · 1,690 nm
4h 17m
estimated nonstop flight time
+2h
time difference · heading northeast
See live UIH→OSN fares Phone-only fares on this route — call free
Flight time details
1,945 miles nonstop takes roughly 4h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- UIH — Phu Cat Airport · Phucat, Vietnam
- 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 UIH
- TBB · Dong Tac Airport66 mi away
- PXU · Pleiku Airport69 mi away
- VCL · Chu Lai International Airport103 mi away
- BMV · Buon Ma Thuot Airport108 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 UIH from OSN?
The flight distance from Phucat (UIH) to Osan (OSN) is 1,945 miles (3,130 km, 1,690 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UIH to OSN?
A nonstop flight takes about 4h 17m 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 Phucat and Osan?
Osan is 2 hours ahead of Phucat.
What is the cheapest way to fly from UIH to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UIH–OSN that never appear on search engines, with no booking fees.