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SPF to SIN: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Singapore (Singapore Changi Airport)
8,839 mi
14,224 km · 7,681 nm
17h 48m
estimated nonstop flight time
+14h
time difference · heading northwest
See live SPF→SIN fares Phone-only fares on this route — call free
Flight time details
8,839 miles nonstop takes roughly 17h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-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
- SIN — Singapore Changi Airport · Singapore, Singapore
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 SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is SPF from SIN?
The flight distance from Spearfish-South Dakota (SPF) to Singapore (SIN) is 8,839 miles (14,224 km, 7,681 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SIN?
A nonstop flight takes about 17h 48m 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 Singapore?
Singapore is 14 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SIN that never appear on search engines, with no booking fees.