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YSM to UBP: distance & flight time
Fort Smith (Fort Smith Airport) → Ubon Ratchathani (Ubon Ratchathani Airport)
6,847 mi
11,018 km · 5,949 nm
13h 53m
estimated nonstop flight time
+13h
time difference · heading northwest
See live YSM→UBP fares Phone-only fares on this route — call free
Flight time details
6,847 miles nonstop takes roughly 13h 53m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- UBP — Ubon Ratchathani Airport · Ubon Ratchathani, Thailand
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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Near UBP
- PKZ · Pakse International Airport61 mi away
- ZVK · Savannakhet Airport90 mi away
- ROI · Roi Et Airport94 mi away
- PXR · Surin Airport95 mi away
Frequently asked questions
How far is YSM from UBP?
The flight distance from Fort Smith (YSM) to Ubon Ratchathani (UBP) is 6,847 miles (11,018 km, 5,949 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to UBP?
A nonstop flight takes about 13h 53m 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 Ubon Ratchathani?
Ubon Ratchathani is 13 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to UBP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–UBP that never appear on search engines, with no booking fees.