What is the cheapest month to fly from Rapid City to Rockford?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Rapid City (RAP) to Rockford (RFD), with fares starting from $233.

What is the lowest current fare from RAP to RFD?

The lowest currently-listed fare from Rapid City (RAP) to Rockford (RFD) is $233 on 2026-05-29.

Is there a direct flight from Rapid City to Rockford?

There is currently no non-stop service from RAP to RFD. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Rapid City to Rockford

Cheapest current fares: $233 in May 2026 on connecting flights.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Rapid City (RAP) to Rockford (RFD). Refreshed daily.

Rapid City (RAP) → Rockford (RFD)

May 2026 $233
June 2026 $1465

Frequently asked questions

What is the cheapest month to fly from Rapid City to Rockford?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Rapid City (RAP) to Rockford (RFD), with fares starting from $233.
What is the lowest current fare from RAP to RFD?

The lowest currently-listed fare from Rapid City (RAP) to Rockford (RFD) is $233 on 2026-05-29.
Is there a direct flight from Rapid City to Rockford?

There is currently no non-stop service from RAP to RFD. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.