What is the cheapest month to fly from Sioux Falls to Rockford?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sioux Falls (FSD) to Rockford (RFD), with fares starting from $283.

What is the lowest current fare from FSD to RFD?

The lowest currently-listed fare from Sioux Falls (FSD) to Rockford (RFD) is $283 on 2026-08-16.

Is there a direct flight from Sioux Falls to Rockford?

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

Cheap flights from Sioux Falls to Rockford

Cheapest current fares: $283 in August 2026 on connecting flights.

Last updated August 11, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Sioux Falls (FSD) to Rockford (RFD). Refreshed daily.

Sioux Falls (FSD) → Rockford (RFD)

August 2026 $283

Frequently asked questions

What is the cheapest month to fly from Sioux Falls to Rockford?

Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Sioux Falls (FSD) to Rockford (RFD), with fares starting from $283.
What is the lowest current fare from FSD to RFD?

The lowest currently-listed fare from Sioux Falls (FSD) to Rockford (RFD) is $283 on 2026-08-16.
Is there a direct flight from Sioux Falls to Rockford?

There is currently no non-stop service from FSD 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.