Cheap flights from San Francisco to Rockford
Cheapest current fares: $193 in September 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from San Francisco (SFO) to Rockford (RFD). Refreshed daily.
San Francisco (SFO) → Rockford (RFD)
- September 2026 $193
- May 2026 $195
- July 2026 $206
- June 2026 $268
- August 2026 $297
Frequently asked questions
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What is the cheapest month to fly from San Francisco to Rockford?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from San Francisco (SFO) to Rockford (RFD), with fares starting from $193.
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What is the lowest current fare from SFO to RFD?
The lowest currently-listed fare from San Francisco (SFO) to Rockford (RFD) is $193 on 2026-09-02.
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Is there a direct flight from San Francisco to Rockford?
There is currently no non-stop service from SFO 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.