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SWU to SPF: distance & flight time
Suwon (Suwon Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
5,961 mi
9,594 km · 5,180 nm
12h 9m
estimated nonstop flight time
-15h
time difference · heading northeast
See live SWU→SPF fares Phone-only fares on this route — call free
Flight time details
5,961 miles nonstop takes roughly 12h 9m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- SWU — Suwon Airport · Suwon, South Korea
- 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 SWU
- ICN · Incheon International Airport34 mi away
- OSN · Osan Air Base10 mi away
- SSN · Seoul Air Base (K-16)15 mi away
- GMP · Gimpo International Airport25 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 SWU from SPF?
The flight distance from Suwon (SWU) to Spearfish-South Dakota (SPF) is 5,961 miles (9,594 km, 5,180 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SWU to SPF?
A nonstop flight takes about 12h 9m 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 Suwon and Spearfish-South Dakota?
Spearfish-South Dakota is 15 hours behind Suwon.
What is the cheapest way to fly from SWU to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SWU–SPF that never appear on search engines, with no booking fees.