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STL to RAP: distance & flight time
St. Louis (St Louis Lambert International Airport) → Rapid City (Rapid City Regional Airport)
751 mi
1,209 km · 653 nm
2h 6m
estimated nonstop flight time
-1h
time difference · heading northwest
See live STL→RAP fares Phone-only fares on this route — call free
Flight time details
751 miles nonstop takes roughly 2h 6m gate to gate, flying northwest. 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
- STL — St Louis Lambert International Airport · St. Louis, United States
- RAP — Rapid City Regional Airport · Rapid City, 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 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
Near RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Frequently asked questions
How far is STL from RAP?
The flight distance from St. Louis (STL) to Rapid City (RAP) is 751 miles (1,209 km, 653 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STL to RAP?
A nonstop flight takes about 2h 6m 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 St. Louis and Rapid City?
Rapid City is 1 hour behind St. Louis.
What is the cheapest way to fly from STL to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STL–RAP that never appear on search engines, with no booking fees.