Cheap flights from Chicago O'Hare Intl Airport to San Francisco from ₹ 12,534

In general, September is the cheapest month to fly from Chicago O'Hare Intl Airport to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 29,057. If you aren’t able to travel to San Francisco during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of ₹ 29,152.

The cheapest day to depart from Chicago O'Hare Intl Airport to San Francisco is on a Saturday. Travellers who choose to depart for San Francisco on a Saturday will often find tickets for as low as ₹ 22,412. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around ₹ 52,318.

The cheapest time of day to fly to San Francisco is in the evening when flights can be purchased for as low as ₹ 36,707. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 49,071.

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

You are more likely to see cheaper flights to San Francisco from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 34,486 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Chicago O'Hare Intl Airport for as low as ₹ 25,544 on momondo.

You could potentially save up to 12% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Francisco flight.

As of April 2026, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 35% more expensive when compared to flights at the same time last year.

United Airlines and Delta are the most popular carriers operating from Chicago O'Hare Intl to San Francisco

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to San Francisco from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when travelling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Chicago and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 182 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.

Thursday 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

57 flights are operational daily from Chicago O'Hare Intl Airport to San Francisco as of April 2026. The most popular departure time for this route is 19:00, with 39% of flights per day taking off at midday.

The number of flights available between Chicago O'Hare Intl Airport and San Francisco is 404 per week as of April 2026. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.