Need help booking?
Unpublished phone-only deals available
UTH to SPF: distance & flight time
Udon Thani (Udon Thani Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
7,846 mi
12,627 km · 6,818 nm
15h 51m
estimated nonstop flight time
-13h
time difference · heading north
See live UTH→SPF fares Phone-only fares on this route — call free
Flight time details
7,846 miles nonstop takes roughly 15h 51m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- UTH — Udon Thani Airport · Udon Thani, Thailand
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is UTH from SPF?
The flight distance from Udon Thani (UTH) to Spearfish-South Dakota (SPF) is 7,846 miles (12,627 km, 6,818 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UTH to SPF?
A nonstop flight takes about 15h 51m 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 Spearfish-South Dakota?
Spearfish-South Dakota is 13 hours behind Udon Thani.
What is the cheapest way to fly from UTH to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UTH–SPF that never appear on search engines, with no booking fees.