How to estimate the price of a flight from San Francisco to Chicago Rockford?

It depends. Prices for flights from San Francisco to Chicago fluctuate based on several factors.

$922 is the best price recorded in the last 15 days.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Best airport options between San Francisco and Chicago

If you're open to flying into or out of more than one airport, you’ll have more routes to compare.

• Airports in San Francisco: San Francisco is the only operating airport.
• Airports in Chicago: In Chicago, 3 airports are available - Midway, O'Hare, Rockford.

Some airports offer extras like lounges, fast track, or self check-in — good to keep in mind. Comparing airports by services offered helps you balance cost and comfort.

Explore flights from San Francisco to Chicago Rockford your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in United States? Check out: Las Vegas, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.