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SPF to THS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Sukhothai (Sukhothai Airport)
7,920 mi
12,747 km · 6,883 nm
16h
estimated nonstop flight time
+13h
time difference · heading northwest
See live SPF→THS fares Phone-only fares on this route — call free
Flight time details
7,920 miles nonstop takes roughly 16h 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- THS — Sukhothai Airport · Sukhothai, 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 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
Near THS
- PHS · Phitsanulok Airport44 mi away
- TKT · Tak Airport44 mi away
- PRH · Phrae Airport66 mi away
- LPT · Lampang Airport74 mi away
Frequently asked questions
How far is SPF from THS?
The flight distance from Spearfish-South Dakota (SPF) to Sukhothai (THS) is 7,920 miles (12,747 km, 6,883 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to THS?
A nonstop flight takes about 16h 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 Spearfish-South Dakota and Sukhothai?
Sukhothai is 13 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to THS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–THS that never appear on search engines, with no booking fees.