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OSN to PRH: distance & flight time
Osan (Osan Air Base) → Phrae (Phrae Airport)
2,089 mi
3,362 km · 1,816 nm
4h 34m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→PRH fares Phone-only fares on this route — call free
Flight time details
2,089 miles nonstop takes roughly 4h 34m 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
- PRH — Phrae Airport · Phrae, 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 PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 mi away
Frequently asked questions
How far is OSN from PRH?
The flight distance from Osan (OSN) to Phrae (PRH) is 2,089 miles (3,362 km, 1,816 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to PRH?
A nonstop flight takes about 4h 34m 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 Phrae?
Phrae is 2 hours behind Osan.
What is the cheapest way to fly from OSN to PRH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–PRH that never appear on search engines, with no booking fees.