Cheap flights from Chicago O'Hare Intl Airport to San Francisco from ₹ 13,288

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 ₹ 32,504. If you aren’t able to travel to San Francisco during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of ₹ 35,181.

The cheapest day to depart from Chicago O'Hare Intl Airport to San Francisco is on a Wednesday. Travellers who choose to depart for San Francisco on a Wednesday will often find tickets for as low as ₹ 36,993. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around ₹ 67,586.

The cheapest time of day to fly to San Francisco is in the evening when flights can be purchased for as low as ₹ 36,993. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 53,451.

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 ₹ 39,363 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 ₹ 31,739 on momondo.

There are 2 cabin classes available to choose from on Chicago O'Hare Intl Airport to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 45% on your flight if you consider stops on a Chicago O'Hare Intl Airport to San Francisco flight.

As of August 2026, prices for Chicago O'Hare Intl Airport to San Francisco flights are approximately 1% more expensive when compared to flights at the same time last year.

Delta, United Airlines, and Alaska Airlines 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 41% 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 25% 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 180 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

76 flights are operational daily from Chicago O'Hare Intl Airport to San Francisco as of August 2026. The most popular departure time for this route is 15:00, with 38% of flights per day taking off in the afternoon.

The number of flights available between Chicago O'Hare Intl Airport and San Francisco is 533 per week as of August 2026. The most frequent departure day is Sat, with 17% of weekly flights leaving on this day.