By bus
Rapid City can be reached from almost anywhere in the US with two or less connections. There are daily services aboard Jefferson Lines (http://www.jeffersonlines.com/) from the Twin Cities, Sioux Falls and on to Wyoming. Jefferson lines contracts with Greyhound, while offering a superior service to Greyhound one can book them in connection with Greyhound quite economically. Powder River Lines Operated by Coach USA offers service to Wyoming and on to Denver and the West Coast.
By train
The Dakota, Minnesota and Eastern Railroad (http://dmerail.com/) provides freight rail service to Rapid City.
By plane
Rapid City is served by Rapid City Regional Airport RAP (http://www.rcgov.com/Airp...). This modern regional airport offers fee-based long-term and hourly parking and free WiFi.
Non-stop services offered:
United Airlines (http://www.united.com/) operated by SkyWest Multiple daily flights to Denver, Colorado and multiple weekly flights to Chicago O'Hare, Illinois.
Delta Air Lines (http://www.delta.com/) operated by SkyWest Multiple daily flights to Salt Lake City, Utah and Minneapolis/St. Paul, Minnesota.
Allegiant Air (http://www.allegiantair.com/) Budget airline 2x weekly to Las Vegas, Nevada; nonstop only, no one-stop flights or connections.
Connecting an overseas flight to Rapid City is often relatively cheap. Flights to Amsterdam start at $500.