It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 37 days in advance, which can save you up to 10% on flights from San Francisco to Rockford compared to booking the week you need them. Waiting 37 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $177. For sooner than that we have options available in the next 3 days from $177.
It’s typically best to fly out from San Francisco to Rockford at noon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.