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RCA to STL: distance & flight time
Rapid City (Ellsworth Air Force Base) → St. Louis (St Louis Lambert International Airport)
756 mi
1,217 km · 657 nm
2h 7m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RCA→STL fares Phone-only fares on this route — call free
Flight time details
756 miles nonstop takes roughly 2h 7m 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
- RCA — Ellsworth Air Force Base · Rapid City, 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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 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 RCA from STL?
The flight distance from Rapid City (RCA) to St. Louis (STL) is 756 miles (1,217 km, 657 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCA to STL?
A nonstop flight takes about 2h 7m 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 Rapid City and St. Louis?
St. Louis is 1 hour ahead of Rapid City.
What is the cheapest way to fly from RCA to STL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCA–STL that never appear on search engines, with no booking fees.