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UTH to FSM: distance & flight time
Udon Thani (Udon Thani Airport) → Fort Smith (Fort Smith Regional Airport)
8,624 mi
13,880 km · 7,494 nm
17h 23m
estimated nonstop flight time
-12h
time difference · heading north
See live UTH→FSM fares Phone-only fares on this route — call free
Flight time details
8,624 miles nonstop takes roughly 17h 23m gate to gate, flying north. 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
- UTH — Udon Thani Airport · Udon Thani, Thailand
- FSM — Fort Smith Regional Airport · Fort Smith, 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 UTH
- VTE · Wattay International Airport44 mi away
- KKC · Khon Kaen Airport64 mi away
- LOE · Loei Airport70 mi away
- SNO · Sakon Nakhon Airport89 mi away
Near FSM
- FYV · Drake Field47 mi away
- XNA · Northwest Arkansas Regional Airport65 mi away
- MLC · Mc Alester Regional Airport86 mi away
- OKM · Okmulgee Regional Airport92 mi away
Frequently asked questions
How far is UTH from FSM?
The flight distance from Udon Thani (UTH) to Fort Smith (FSM) is 8,624 miles (13,880 km, 7,494 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to FSM?
A nonstop flight takes about 17h 23m 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 Udon Thani and Fort Smith?
Fort Smith is 12 hours behind Udon Thani.
What is the cheapest way to fly from UTH to FSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–FSM that never appear on search engines, with no booking fees.