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SPF to LXG: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Luang Namtha (Luang Namtha Airport)
7,643 mi
12,301 km · 6,642 nm
15h 27m
estimated nonstop flight time
+13h
time difference · heading northwest
See live SPF→LXG fares Phone-only fares on this route — call free
Flight time details
7,643 miles nonstop takes roughly 15h 27m 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
- LXG — Luang Namtha Airport · Luang Namtha, 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 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 LXG
- ODY · Oudomsay Airport43 mi away
- PCQ · Boun Neau Airport57 mi away
- HOE · Ban Huoeisay Airport79 mi away
- JHG · Xishuangbanna Gasa Airport81 mi away
Frequently asked questions
How far is SPF from LXG?
The flight distance from Spearfish-South Dakota (SPF) to Luang Namtha (LXG) is 7,643 miles (12,301 km, 6,642 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to LXG?
A nonstop flight takes about 15h 27m 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 Luang Namtha?
Luang Namtha is 13 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to LXG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–LXG that never appear on search engines, with no booking fees.