£99 Find Cheap Flights from San Francisco to Chicago – Compare and Save

If your flying dates are flexible, you should consider flying to Chicago on a Wednesday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from San Francisco to Chicago. For your return ticket, we recommend flying on a Saturday and avoiding Fridays for the best deals.

The cheapest month for flights from San Francisco to Chicago O'Hare Intl Airport is January, where tickets cost £280 (return) on average. On the other hand, the most expensive months are June and November, where the average cost of round-trip tickets is £381 and £377 respectively.

Weekly flights between San Francisco and Chicago historically see delays in approximately 9% of cases, with the average delay over the past year being 185 minutes.

Typically, flights leaving in the morning tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Tuesday is the day of the week with the fewest delays on this flight route, while Monday has typically experienced more delays than other days.

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 9% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 20 and 21 direct flights that take off from San Francisco and land in Chicago O'Hare Intl Airport, with an average flight time of 4h 24m. The most common departure time is 15:00 and most flights take off in the afternoon. Each week, there are 146 flights. The most frequent day of departure is Monday, when 14% of all weekly flights depart. The fewest flights depart on a Saturday.