Cheap flights from San Francisco to Chicago from ₹ 12,562

The cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco is in September. Flight prices, which tend to average around ₹ 29,940, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago O'Hare Intl Airport in September, then you should wait until August to fly from San Francisco, when ticket prices are also cheap, with an average price of ₹ 32,774.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Tuesday when prices can be found for as low as ₹ 25,404. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around ₹ 155,690. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago O'Hare Intl Airport.

At midday is the cheapest time of day to fly from San Francisco to Chicago O'Hare Intl Airport when you can find flight prices for as low as ₹ 32,494. Flying to Chicago O'Hare Intl Airport at midday is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are ₹ 174,058 on average. Flights to Chicago O'Hare Intl Airport from San Francisco in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from San Francisco to Chicago O'Hare Intl for the best San Francisco - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around ₹ 37,560 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as ₹ 30,885 on momondo.

You could potentially save up to 63% on your flight if you consider stops on a San Francisco to Chicago O'Hare Intl Airport flight.

As of May 2026, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 24% more expensive when compared to flights at the same time last year.

Historically, on average around 10% of flights between San Francisco and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 183 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

72 flights are operational daily from San Francisco to Chicago O'Hare Intl Airport as of May 2026. The most popular departure time for this route is 10:00, with 36% of flights per day taking off at midday.

The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 509 per week as of May 2026. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.