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SPF to SQL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → San Carlos (San Carlos Airport)
1,073 mi
1,727 km · 933 nm
2h 48m
estimated nonstop flight time
-1h
time difference · heading west
See live SPF→SQL fares Phone-only fares on this route — call free
Flight time details
1,073 miles nonstop takes roughly 2h 48m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- SQL — San Carlos Airport · San Carlos, 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 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 SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
Frequently asked questions
How far is SPF from SQL?
The flight distance from Spearfish-South Dakota (SPF) to San Carlos (SQL) is 1,073 miles (1,727 km, 933 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SQL?
A nonstop flight takes about 2h 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 San Carlos?
San Carlos is 1 hour behind Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SQL that never appear on search engines, with no booking fees.