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OSN to UTP: distance & flight time
Osan (Osan Air Base) → Pattaya (U-Tapao International Airport)
2,330 mi
3,750 km · 2,025 nm
5h 2m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→UTP fares Phone-only fares on this route — call free
Flight time details
2,330 miles nonstop takes roughly 5h 2m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- UTP — U-Tapao International Airport · Pattaya, Thailand
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 UTP
- HHQ · Hua Hin Airport71 mi away
- BKK · Suvarnabhumi Airport71 mi away
- DMK · Don Mueang International Airport89 mi away
- TDX · Trat Airport93 mi away
Frequently asked questions
How far is OSN from UTP?
The flight distance from Osan (OSN) to Pattaya (UTP) is 2,330 miles (3,750 km, 2,025 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to UTP?
A nonstop flight takes about 5h 2m 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 Pattaya?
Pattaya is 2 hours behind Osan.
What is the cheapest way to fly from OSN to UTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–UTP that never appear on search engines, with no booking fees.