Need help booking?
Unpublished phone-only deals available
SPF to SIG: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → San Juan (Fernando Luis Ribas Dominicci Airport)
2,816 mi
4,533 km · 2,447 nm
5h 59m
estimated nonstop flight time
+2h
time difference · heading southeast
See live SPF→SIG fares Phone-only fares on this route — call free
Flight time details
2,816 miles nonstop takes roughly 5h 59m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- SIG — Fernando Luis Ribas Dominicci Airport · San Juan, Puerto Rico
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 SIG
- SJU · Luis Munoz Marin International Airport6 mi away
- FAJ · Diego Jimenez Torres Airport30 mi away
- NRR · José Aponte de la Torre Airport33 mi away
- ARE · Antonio Nery Juarbe Pol Airport38 mi away
Frequently asked questions
How far is SPF from SIG?
The flight distance from Spearfish-South Dakota (SPF) to San Juan (SIG) is 2,816 miles (4,533 km, 2,447 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SIG?
A nonstop flight takes about 5h 59m 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 San Juan?
San Juan is 2 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SIG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SIG that never appear on search engines, with no booking fees.