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OSN to VTE: distance & flight time
Osan (Osan Air Base) → Vientiane (Wattay International Airport)
1,986 mi
3,196 km · 1,726 nm
4h 22m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→VTE fares Phone-only fares on this route — call free
Flight time details
1,986 miles nonstop takes roughly 4h 22m 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
- VTE — Wattay International Airport · Vientiane, Laos
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 VTE
- UTH · Udon Thani Airport44 mi away
- LOE · Loei Airport67 mi away
- ZBY · Sayaboury Airport103 mi away
- KKC · Khon Kaen Airport106 mi away
Frequently asked questions
How far is OSN from VTE?
The flight distance from Osan (OSN) to Vientiane (VTE) is 1,986 miles (3,196 km, 1,726 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to VTE?
A nonstop flight takes about 4h 22m 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 Vientiane?
Vientiane is 2 hours behind Osan.
What is the cheapest way to fly from OSN to VTE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–VTE that never appear on search engines, with no booking fees.