Need help booking?
Unpublished phone-only deals available
ALS to UTH: distance & flight time
Alamosa (San Luis Valley Regional Bergman Field) → Udon Thani (Udon Thani Airport)
8,215 mi
13,221 km · 7,139 nm
16h 35m
estimated nonstop flight time
+13h
time difference · heading northwest
See live ALS→UTH fares Phone-only fares on this route — call free
Flight time details
8,215 miles nonstop takes roughly 16h 35m 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
- ALS — San Luis Valley Regional Bergman Field · Alamosa, United States
- UTH — Udon Thani Airport · Udon Thani, 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 ALS
- TSM · Taos Regional Airport68 mi away
- RTN · Raton Municipal-Crews Field89 mi away
- PUB · Pueblo Memorial Airport95 mi away
- GUC · Gunnison Crested Butte Regional Airport96 mi away
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
Frequently asked questions
How far is ALS from UTH?
The flight distance from Alamosa (ALS) to Udon Thani (UTH) is 8,215 miles (13,221 km, 7,139 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALS to UTH?
A nonstop flight takes about 16h 35m 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 Alamosa and Udon Thani?
Udon Thani is 13 hours ahead of Alamosa.
What is the cheapest way to fly from ALS to UTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALS–UTH that never appear on search engines, with no booking fees.