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UBP to FSI: distance & flight time
Ubon Ratchathani (Ubon Ratchathani Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
8,666 mi
13,946 km · 7,530 nm
17h 27m
estimated nonstop flight time
-12h
time difference · heading northeast
See live UBP→FSI fares Phone-only fares on this route — call free
Flight time details
8,666 miles nonstop takes roughly 17h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, Thailand
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
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 UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 mi away
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
Frequently asked questions
How far is UBP from FSI?
The flight distance from Ubon Ratchathani (UBP) to Fort Sill (FSI) is 8,666 miles (13,946 km, 7,530 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UBP to FSI?
A nonstop flight takes about 17h 27m 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 Ubon Ratchathani and Fort Sill?
Fort Sill is 12 hours behind Ubon Ratchathani.
What is the cheapest way to fly from UBP to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UBP–FSI that never appear on search engines, with no booking fees.