Q: How much does it cost for a return flight from Chicago to San Francisco?

Airfare is below average for this route at the moment. Chicago to San Francisco flights typically cost between ₹ 23,052 and ₹ 38,389 in May. The cheapest return flight price found within the last 3 days was ₹ 22,317 on Alaska Airlines (9 May-12 May). Find deals

Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Friday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week. Find deals

Question 2

What is the most punctual flight time for Chicago to San Francisco flights?

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often. Find deals

Question 3

How much does it cost for a return flight from Chicago to San Francisco?

Accepted Answer

Airfare is below average for this route at the moment.Chicago to San Francisco flights typically cost between ₹ 23,052 and ₹ 38,389 in May.
The cheapest return flight price found within the last 3 days was ₹ 22,317 on Alaska Airlines (9 May-12 May). Find deals

Question 4

Which airline has the best punctuality record on Chicago to San Francisco flights?

Accepted Answer

Over the past year, United Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed. Find deals

Question 5

How often are flights from Chicago to San Francisco delayed?

Accepted Answer

About 20% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 170 minutes.

Question 6

How long is the flight from Chicago to San Francisco?

Accepted Answer

Airlines like United Airlines and Delta fly from Chicago to San Francisco in about 4h 44m. The time it takes to get you to your destination can typically vary by up to 2h 26m. Chicago and San Francisco are separated by a distance of 2963 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 7

What are the cheapest airlines flying from Chicago to San Francisco round-trip?

Accepted Answer

Currently priced at ₹ 6,613, Frontier will fly you from Chicago to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from ₹ 14,106 and ₹ 16,171, respectively. You may be able to fly from Chicago to San Francisco for 78% less than the average price by searching for these airlines.

Question 8

How far ahead should I book a flight from Chicago to San Francisco?

Accepted Answer

The price you pay for your flight from Chicago to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

What is the cheapest month to book a flight from Chicago to San Francisco?

Accepted Answer

Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 7,347). Flying from Chicago to San Francisco in November is currently the most expensive (average of ₹ 19,011). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 10

Weekly flight availability from Chicago to San Francisco

Accepted Answer

The most flights from CHI to SFO are scheduled on a Thursday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Question 11

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Question 12

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 13

What are the cheapest flights from Chicago to San Francisco?

Accepted Answer

On average you can expect to pay ₹ 32,489 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 21,676 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 21,215.

Question 14

What are the most reliable airlines from Chicago to San Francisco?

Accepted Answer

Before booking your flight to San Francisco from Chicago, have a look at the most reliable airlines to get you to your destination on time: ANA (88%), Qatar Airways (83%), Iberia( 82%).

Question 15

What are the most popular airlines that fly from Chicago to San Francisco?

Accepted Answer

When booking a flight from Chicago to San Francisco, you may want to consider flying on United Airlines, American Airlines or Frontier as they are the most popular for this route.

Question 16

What is the cheapest time of day to fly from CHI to SFO?

Accepted Answer

When flying from Chicago to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 28% versus a flight in the afternoon.

Question 17

What airport do you fly into for flights to San Francisco from Chicago?

Accepted Answer

San Francisco (SFO), located 19.0 km from the city centre, is the airport you fly into when you book flights from Chicago to San Francisco. 3 airlines have flights to San Francisco from Chicago on a regular basis. Booking flights from Chicago to San Francisco should not be difficult; the airport handles an average of 42 inbound flights from Chicago per day.

Question 18

Can I find deals for flights from Chicago to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Chicago to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 19

How can I find direct flights from Chicago to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to San Francisco.

Question 20

Can I find deals for business class flights from Chicago to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from Chicago to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 21

How does Cheapflights help users find flights from Chicago to San Francisco?

Accepted Answer

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Question 22

Why should you use Cheapflights to find cheap flight tickets from Chicago to San Francisco?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from Chicago to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 23

Can Cheapflights find flights from Chicago to San Francisco with no change fees?

Accepted Answer

Certainly. Search results for flights to San Francisco from Chicago shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Question 24

Can Cheapflights notify me if prices for flights from Chicago to San Francisco become cheaper?

Accepted Answer

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

Round-trip from	₹ 22,317
One-way from	₹ 11,664
Popular in	December
Cheapest in	July
Average price	₹ 37,195
Good round-trip deal	₹ 30,788 or less

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest₹ 6,613	Average₹ 18,708	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
United Airlines	Cheapest₹ 14,106	Average₹ 35,539	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest₹ 16,171	Average₹ 35,756	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Cheap flights from Chicago to San Francisco from ₹ 11,664

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chicago to San Francisco

Cheapest flights from Chicago to San FranciscoExplore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

Explore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.

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Best time to book a flight from Chicago to San Francisco

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Everything you need to know about your flight from Chicago to San Francisco

How far ahead should I book a flight from Chicago to San Francisco?

Use this chart to determine the optimal time to book a return flight from Chicago to San Francisco. Price data was last updated on 23 January 2026.

What is the cheapest month to book a flight from Chicago to San Francisco?

What is the cheapest time of day to fly from CHI to SFO?

Find hourly flight availability from Chicago to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 January 2026.

Weekly flight availability from Chicago to San Francisco

How much does it cost for a return flight from Chicago to San Francisco?

How often are flights from Chicago to San Francisco delayed?

What is the most punctual flight time for Chicago to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on Chicago to San Francisco flights?

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with American Airlines from Chicago to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Chicago to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from Chicago?

How long is the flight from Chicago to San Francisco?

What are the cheapest airlines flying from Chicago to San Francisco round-trip?

What are the most reliable airlines from Chicago to San Francisco?

What are the cheapest flights from Chicago to San Francisco?

Can I find deals for flights from Chicago to San Francisco that include hotel bookings?

How can I find direct flights from Chicago to San Francisco?

Can I find deals for business class flights from Chicago to San Francisco?

What is the cheapest month to book a flight from Chicago to San Francisco?

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How does Cheapflights help users find flights from Chicago to San Francisco?

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Can Cheapflights find flights from Chicago to San Francisco with no change fees?

Can Cheapflights notify me if prices for flights from Chicago to San Francisco become cheaper?

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Cheapest flights from Chicago to San Francisco
Explore the most affordable flight options available from Chicago to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 January 2026.