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SPF to STL: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → St. Louis (St Louis Lambert International Airport)
797 mi
1,282 km · 692 nm
2h 12m
estimated nonstop flight time
+1h
time difference · heading southeast
See live SPF→STL fares Phone-only fares on this route — call free
Flight time details
797 miles nonstop takes roughly 2h 12m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-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
- STL — St Louis Lambert International Airport · St. Louis, 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 STL
- SUS · Spirit of St Louis Airport16 mi away
- ALN · St Louis Regional Airport20 mi away
- BLV · Scott AFB/Midamerica Airport32 mi away
- SPI · Abraham Lincoln Capital Airport84 mi away
Frequently asked questions
How far is SPF from STL?
The flight distance from Spearfish-South Dakota (SPF) to St. Louis (STL) is 797 miles (1,282 km, 692 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to STL?
A nonstop flight takes about 2h 12m 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 St. Louis?
St. Louis is 1 hour ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–STL that never appear on search engines, with no booking fees.