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FSI to VTE: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Vientiane (Wattay International Airport)
8,548 mi
13,756 km · 7,428 nm
17h 14m
estimated nonstop flight time
+12h
time difference · heading northwest
See live FSI→VTE fares Phone-only fares on this route — call free
Flight time details
8,548 miles nonstop takes roughly 17h 14m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 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 FSI from VTE?
The flight distance from Fort Sill (FSI) to Vientiane (VTE) is 8,548 miles (13,756 km, 7,428 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to VTE?
A nonstop flight takes about 17h 14m 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 Fort Sill and Vientiane?
Vientiane is 12 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to VTE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–VTE that never appear on search engines, with no booking fees.