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 ₹ 20,243 and ₹ 34,171 in October. The cheapest return flight price found within the last 3 days was ₹ 17,648 on Alaska Airlines (8 Oct-15 Oct). Find deals

Question 1

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 ₹ 20,243 and ₹ 34,171 in October.
The cheapest return flight price found within the last 3 days was ₹ 17,648 on Alaska Airlines (8 Oct-15 Oct). Find deals

Question 2

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

Accepted Answer

Currently priced at ₹ 17,648, Alaska Airlines will fly you from Chicago to San Francisco and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from ₹ 17,907 and ₹ 17,994, respectively. You may be able to fly from Chicago to San Francisco for 34% less than the average price by searching for these airlines. Find deals

Question 3

What are the cheapest airlines to fly from Chicago to San Francisco one-way?

Accepted Answer

To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at ₹ 8,824. Hawaiian Airlines flights start at ₹ 9,343 while deals on Southwest start at ₹ 9,429 one-way. Find deals

Question 4

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. Find deals

Question 5

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 ₹ 982). Flying from Chicago to San Francisco in August is currently the most expensive (average of ₹ 1,304). 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 6

What is the cheapest day to fly from Chicago to San Francisco?

Accepted Answer

Travellers seeking maximum savings on their Chicago to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

Weekly flight availability from Chicago to San Francisco

Accepted Answer

The most flights from CHI to SFO are scheduled on a Friday (94 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (71 on average).

Question 8

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 9

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 10

What are the cheapest flights from Chicago to San Francisco?

Accepted Answer

On average you can expect to pay ₹ 17,821 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 5,765 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 20,502.

Question 11

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: Austrian Airlines (85%), ANA (82%), Brussels Airlines( 80%).

Question 12

What is the cheapest day to fly return from Chicago to San Francisco?

Accepted Answer

Users have found that leaving on a Wednesday can be a cost-effective option. It’s possible to save up to 99% on your flight compared to booking on days when demand is much higher.

Question 13

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

Accepted Answer

To save up to 114% on this flight, we recommend booking at least 49 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to San Francisco from ₹ 30,883 1-2 weeks out and tickets from ₹ 45,330 for flights departing within the next 72 hours.

Question 14

What is the cheapest month to fly from Chicago to San Francisco?

Accepted Answer

September can be a great time to fly to San Francisco from Chicago with a flight ticket averaging about ₹ 26,904. Cheapflights users have found deals in the month of September for as cheap as ₹ 12,025. The most expensive prices can be found in the month of December.

Question 15

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 at midday, which can drop the price by up to 54% versus a flight in the afternoon.

Question 16

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. 2 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 82 inbound flights from Chicago per day.

Question 17

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 18

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 19

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 20

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 21

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 22

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 23

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	₹ 17,648
One-way from	₹ 8,824
Popular in	December
Cheapest in	September
Average price	₹ 25,693
Good one-way deal	₹ 12,412 or less

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest₹ 12,492	Average₹ 20,684	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest₹ 13,283	Average₹ 41,261	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Cheap flights from Chicago to San Francisco from ₹ 8,824

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in September or February, booked 83 days in advance, depart on a Wednesday or Saturday and return on a Monday

Cheap flight deals from Chicago to San Francisco

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Find 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 27 July 2025.

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 27 July 2025.

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Best time to book a flight from Chicago to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Chicago with our price prediction graph.

Cheapflights Insights

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 25 July 2025.

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 27 July 2025.

Weekly flight availability from Chicago to San Francisco

Explore weekly flight availability from Chicago to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 27 July 2025.

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

Reviews of airlines servicing San Francisco

Check out reviews from past customers who have flown with Alaska Airlines, Southwest, andDelta 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?

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

What are the cheapest airlines to fly from Chicago to San Francisco one-way?

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?

Travelling to a place near San Francisco?

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Alternative routes for Chicago to San Francisco

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Top 2 airlines flying from Chicago to San Francisco

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

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

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 27 July 2025.