£100 Find Cheap Flights from Chicago to San Francisco

The cheapest month for flights from Chicago O'Hare Intl Airport to San Francisco is September, where tickets cost £230 (return) on average. On the other hand, the most expensive months are April and March, where the average cost of round-trip tickets is £330 and £322 respectively.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £226 on average.

Weekly flights between Chicago and San Francisco historically see delays in approximately 21% of cases, with the average delay over the past year being 181 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 Sunday 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 19% of their flights encountering any delays.

There are 2 cabin class options for the route. These are First and 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 17 and 18 direct flights that take off from Chicago O'Hare Intl Airport and land in San Francisco, with an average flight time of 4h 51m. The most common departure time is 08:00 and most flights take off in the morning. Each week, there are 125 flights. The most frequent day of departure is Monday, when 14% of all weekly flights depart. The fewest flights depart on a Saturday.