What is the cheapest month to fly from Rockford to Billings?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Rockford (RFD) to Billings (BIL), with fares starting from $970.

What is the lowest current fare from RFD to BIL?

The lowest currently-listed fare from Rockford (RFD) to Billings (BIL) is $970 on 2026-06-04.

Is there a direct flight from Rockford to Billings?

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

Cheap flights from Rockford to Billings

Cheapest current fares: $970 in June 2026 on connecting flights.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Rockford (RFD) to Billings (BIL). Refreshed daily.

Rockford (RFD) → Billings (BIL)

June 2026 $970

Frequently asked questions

What is the cheapest month to fly from Rockford to Billings?

Based on current 6-month forward fare data, June 2026 is the cheapest month to fly from Rockford (RFD) to Billings (BIL), with fares starting from $970.
What is the lowest current fare from RFD to BIL?

The lowest currently-listed fare from Rockford (RFD) to Billings (BIL) is $970 on 2026-06-04.
Is there a direct flight from Rockford to Billings?

There is currently no non-stop service from RFD to BIL. 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.