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RAP to LAF: distance & flight time
Rapid City (Rapid City Regional Airport) → Lafayette (Purdue University Airport)
860 mi
1,385 km · 748 nm
2h 20m
estimated nonstop flight time
+2h
time difference · heading east
See live RAP→LAF fares Phone-only fares on this route — call free
Flight time details
860 miles nonstop takes roughly 2h 20m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- RAP — Rapid City Regional Airport · Rapid City, United States
- LAF — Purdue University Airport · Lafayette, 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 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
Near LAF
- DNV · Vermilion Regional Airport38 mi away
- RNZ · Jasper County Airport39 mi away
- GUS · Grissom Air Reserve Base44 mi away
- OKK · Kokomo Municipal Airport47 mi away
Frequently asked questions
How far is RAP from LAF?
The flight distance from Rapid City (RAP) to Lafayette (LAF) is 860 miles (1,385 km, 748 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RAP to LAF?
A nonstop flight takes about 2h 20m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RAP to LAF?
Nonstop service on RAP–LAF depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 20m nonstop estimate.
What is the time difference between Rapid City and Lafayette?
Lafayette is 2 hours ahead of Rapid City.
What is the cheapest way to fly from RAP to LAF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RAP–LAF that never appear on search engines, with no booking fees.
Why are some RAP to LAF fares phone-only?
Consolidator contracts let us sell certain RAP–LAF tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.