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Cheap flights from Chicago to San Francisco from ₹ 10,800

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 18/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from Chicago to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 October 2025.

Round-trip from

₹ 21,863

One-way from

₹ 10,800

Popular in

December

Cheapest in

July

Average price

₹ 28,184

Good round-trip deal

₹ 42,980 or less

Good one-way deal

₹ 20,939 or less
Alaska Airlines
  • Alaska Airlines
  • 3/12-21/2
  • 2 total stops
  • 32h 36m total
  • Chicago to San Francisco
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Sun Country Air
  • Sun Country Air
  • 18/12
  • 1 total stop
  • 7h 33m total
  • Chicago to San Francisco
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Highest demand for flights based on searches. 10% potential increase in price (₹ 292,852 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 47,293 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Chicago (CHI) to San Francisco.
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Price to beat on a one-way flight from Chicago (CHI) to San Francisco.
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Find flight deals from Chicago to San Francisco

Enter your travel dates to find the best prices.

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 26 October 2025.

Wed 3/1220:59ORD - SFO
1 stop13h 07mAlaska Airlines
Sat 13/1214:50SFO - ORD
1 stop7h 00mAlaska Airlines
Deal found 25/10₹ 21,863
Tue 16/1208:55ORD - SFO
1 stop25h 11mAlaska Airlines
Tue 30/1207:00SFO - ORD
1 stop14h 59mAlaska Airlines
Deal found 24/10₹ 21,950
Thu 27/1106:45ORD - SFO
1 stop9h 30mDelta
Thu 4/1200:30SFO - ORD
1 stop6h 10mDelta
Deal found 23/10₹ 22,126
Tue 18/1114:54ORD - SFO
1 stop9h 07mAlaska Airlines
Tue 2/1221:57SFO - ORD
1 stop19h 57mAlaska Airlines
Deal found 24/10₹ 22,214
Thu 18/1211:45ORD - SFO
1 stop7h 33mSun Country Air
Tue 30/1223:59SFO - ORD
1 stop8h 45mSun Country Air
Deal found 24/10₹ 22,389
Mon 22/1220:58ORD - SFO
1 stop13h 17mAlaska Airlines
Tue 13/114:52SFO - ORD
1 stop6h 45mAlaska Airlines
Deal found 23/10₹ 22,741
Wed 17/1208:55ORD - SFO
1 stop14h 51mAlaska Airlines
Wed 7/109:16SFO - ORD
1 stop12h 21mAlaska Airlines
Deal found 26/10₹ 22,828
Sun 16/1120:59ORD - SFO
1 stop16h 02mAlaska Airlines
Wed 19/1107:00SFO - ORD
1 stop14h 59mAlaska Airlines
Deal found 24/10₹ 23,004
Mon 24/1108:55ORD - SFO
1 stop7h 20mDelta
Thu 27/1105:45SFO - ORD
1 stop7h 17mDelta
Deal found 24/10₹ 23,092
Thu 18/1220:58ORD - SFO
1 stop13h 17mAlaska Airlines
Sat 17/112:00SFO - ORD
1 stop9h 55mAlaska Airlines
Deal found 24/10₹ 23,355
Tue 23/1222:10ORD - SFO
Nonstop5h 04mUnited Airlines
Wed 7/113:35SFO - ORD
Nonstop4h 16mUnited Airlines
Deal found 23/10₹ 23,443
Tue 16/1215:05ORD - SFO
1 stop8h 41mAlaska Airlines
Sat 3/119:20SFO - ORD
1 stop7h 42mAlaska Airlines
Deal found 24/10₹ 23,531

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chicago to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 26 October 2025.
Use the filters below to find and compare flights from Chicago to San Francisco that are best for you.

Fly from

Chicago

Fly to

San Francisco

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 2/12

20:59-08:06

1 stop13h 07m

San Francisco

Wed 3/12

14:50-23:50

1 stop7h 00m

₹ 21,863

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 17/12

08:55-22:48

1 stop15h 53m

San Francisco

Tue 30/12

07:00-23:59

1 stop14h 59m

₹ 23,707

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 17/12

08:55-21:46

1 stop14h 51m

San Francisco

Wed 31/12

08:20-14:37

1 stop28h 17m

₹ 24,585

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 17/12

15:05-21:46

1 stop8h 41m

San Francisco

Thu 1/1

07:00-17:12

1 stop8h 12m

₹ 25,199

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 16/12

20:59-08:06

1 stop13h 07m

San Francisco

Sun 4/1

19:20-05:02

1 stop7h 42m

₹ 25,463

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 24/11

19:40-23:55

1 stop6h 15m

San Francisco

Mon 1/12

00:30-11:40

1 stop9h 10m

₹ 25,550

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 20/12

17:50-22:54

1 stop7h 04m

San Francisco

Tue 30/12

23:59-10:44

1 stop8h 45m

₹ 26,780

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 2/1

20:58-08:15

1 stop13h 17m

San Francisco

Sun 18/1

07:57-23:55

2 stops13h 58m

₹ 26,780

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 19/12

06:15-09:12

Nonstop4h 57m

San Francisco

Sat 17/1

08:25-14:53

Nonstop4h 28m

₹ 27,219

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 8/12

06:00-11:27

1 stop7h 27m

San Francisco

Sun 14/12

00:30-08:40

1 stop6h 10m

₹ 28,711

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 22 results
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2
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 24 October 2025.

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 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 7,024). Flying from Chicago to San Francisco in December is currently the most expensive (average of ₹ 18,175). 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.

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 26 October 2025.

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 73% versus a flight in the afternoon.

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 26 October 2025.

The most flights from CHI to SFO are scheduled on a Saturday (91 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 26 October 2025.
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.
American Airlines
7.2
Good
11,035 reviews
Check prices

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.
American Airlines
7.2
Good
11,035 reviews
American Airlines
7.2
Good
11,035 reviews
Check prices

Boarding

7.5

Comfort

7.2

Food

6.4

Overall

7.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
8.0
Excellent

Diana,Jul 2024

ORD - IND

Shout out to Isabelle and Debbie who went above and beyond to make it a good experience. Wheelchair service and workers were excellent and much appreciated.

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?

    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 31 inbound flights from Chicago per day.

  • How long is the flight from Chicago to San Francisco?

    Airlines like Alaska Airlines and United Airlines fly from Chicago to San Francisco in about 5h 04m. The time it takes to get you to your destination can typically vary by up to 2h 10m. 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.

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

    Currently priced at ₹ 13,485, United Airlines will fly you from Chicago to San Francisco and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as ₹ 15,460. You may be able to fly from Chicago to San Francisco for 51% less than the average price by searching for these airlines.

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

    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: Air China (92%), ANA (92%), ITA Airways( 78%).

  • What are the cheapest flights from Chicago to San Francisco?

    On average you can expect to pay ₹ 38,086 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 13,045 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 27,658.

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

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

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

    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.

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

    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.

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 7,024). Flying from Chicago to San Francisco in December is currently the most expensive (average of ₹ 18,175). 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Mountain View
Fairfield
Burlingame
Milpitas

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to San Francisco flights

Top 2 airlines flying from Chicago to San Francisco

Discover the top 2 airlines that operate flights from Chicago to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 26 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest₹ 13,485Average₹ 48,375FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 15,460Average₹ 34,184FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

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

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.

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

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.

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

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!

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