Need help booking?
Unpublished phone-only deals available
FSM to XKH: distance & flight time
Fort Smith (Fort Smith Regional Airport) → Phon Savan (Xieng Khouang Airport)
8,481 mi
13,649 km · 7,370 nm
17h 6m
estimated nonstop flight time
+12h
time difference · heading north
See live FSM→XKH fares Phone-only fares on this route — call free
Flight time details
8,481 miles nonstop takes roughly 17h 6m gate to gate, flying north. 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
- FSM — Fort Smith Regional Airport · Fort Smith, United States
- XKH — Xieng Khouang Airport · Phon Savan, 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 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
Near XKH
- LPQ · Luang Phabang International Airport72 mi away
- NEU · Sam Neua Airport89 mi away
- ZBY · Sayaboury Airport96 mi away
- VTE · Wattay International Airport108 mi away
Frequently asked questions
How far is FSM from XKH?
The flight distance from Fort Smith (FSM) to Phon Savan (XKH) is 8,481 miles (13,649 km, 7,370 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSM to XKH?
A nonstop flight takes about 17h 6m 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 Smith and Phon Savan?
Phon Savan is 12 hours ahead of Fort Smith.
What is the cheapest way to fly from FSM to XKH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSM–XKH that never appear on search engines, with no booking fees.