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Cheap flights from Chicago to San Francisco from ₹ 8,986

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
10 Oct — 17 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in July or September, booked 83 days in advance, depart on a Friday or Wednesday 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 10 September 2025.

Round-trip from

₹ 18,677

One-way from

₹ 8,986

Popular in

December

Cheapest in

July

Average price

₹ 25,285

Good one-way deal

₹ 10,016 or less
Southwest
  • Southwest
  • 6/12-10/12
  • 3 total stops
  • 15h 40m total
  • Chicago to San Francisco
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Southwest
  • Southwest
  • 18/11
  • 2 total stops
  • 10h 15m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 185,604 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 41,869 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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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

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 10 September 2025.

Sat 6/1215:05ORD - SFO
1 stop6h 45mSouthwest
Wed 10/1211:40SFO - ORD
2 stops8h 55mSouthwest
Deal found 10/9₹ 18,677
Wed 22/1006:00ORD - SFO
1 stop14h 01mAlaska Airlines
Sat 25/1014:40SFO - ORD
1 stop7h 26mAlaska Airlines
Deal found 10/9₹ 18,765
Sat 18/1007:37ORD - SFO
1 stop10h 28mDelta
Tue 21/1013:45SFO - ORD
1 stop8h 05mDelta
Deal found 10/9₹ 18,853
Thu 30/1017:16ORD - SFO
Nonstop4h 52mUnited Airlines
Fri 31/1022:40SFO - ORD
Nonstop4h 20mUnited Airlines
Deal found 9/9₹ 18,941
Fri 10/1021:13ORD - SFO
Nonstop4h 46mUnited Airlines
Mon 13/1005:15SFO - ORD
Nonstop4h 31mUnited Airlines
Deal found 9/9₹ 19,030
Fri 5/1219:59ORD - SFO
1 stop14h 07mAlaska Airlines
Mon 8/1221:57SFO - ORD
1 stop18h 57mAlaska Airlines
Deal found 9/9₹ 19,118
Tue 9/1219:59ORD - SFO
1 stop14h 07mAlaska Airlines
Tue 16/1207:00SFO - ORD
1 stop9h 54mAlaska Airlines
Deal found 9/9₹ 19,206
Thu 2/1006:15ORD - SFO
2 stops8h 30mSouthwest
Wed 8/1005:30SFO - ORD
1 stop6h 55mSouthwest
Deal found 9/9₹ 19,294
Thu 9/1016:25ORD - SFO
Nonstop4h 38mUnited Airlines
Sun 12/1023:33SFO - ORD
Nonstop4h 22mUnited Airlines
Deal found 10/9₹ 19,382
Sun 5/1007:18ORD - SFO
Nonstop4h 46mUnited Airlines
Sun 19/1005:15SFO - ORD
Nonstop4h 31mUnited Airlines
Deal found 9/9₹ 19,470
Tue 11/1114:54ORD - SFO
1 stop9h 07mAlaska Airlines
Wed 12/1107:00SFO - ORD
1 stop14h 59mAlaska Airlines
Deal found 8/9₹ 19,558
Sat 18/1007:37ORD - SFO
1 stop10h 28mDelta
Mon 27/1013:45SFO - ORD
1 stop8h 05mDelta
Deal found 10/9₹ 19,646

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 10 September 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

Sat 25/10

06:00-18:01

1 stop14h 01m

San Francisco

Mon 3/11

19:37-06:22

1 stop8h 45m

₹ 18,765

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 25/10

07:00-11:50

1 stop6h 50m

San Francisco

Tue 4/11

11:40-22:35

2 stops8h 55m

₹ 20,351

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 12/12

15:05-21:46

1 stop8h 41m

San Francisco

Mon 15/12

07:00-18:54

1 stop9h 54m

₹ 21,144

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 26/1

14:05-23:43

2 stops11h 38m

San Francisco

Thu 29/1

09:10-23:59

1 stop12h 49m

₹ 21,408

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 8/10

07:37-16:05

1 stop10h 28m

San Francisco

Fri 17/10

00:35-11:28

1 stop8h 53m

₹ 22,113

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 4/10

12:53-15:30

Nonstop4h 37m

San Francisco

Sat 11/10

23:00-05:13

Nonstop4h 13m

₹ 22,554

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 1/11

13:26-22:30

1 stop11h 04m

San Francisco

Fri 7/11

00:35-09:03

1 stop6h 28m

₹ 22,642

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 25/10

13:26-19:48

1 stop8h 22m

San Francisco

Mon 3/11

13:45-23:50

1 stop8h 05m

₹ 22,642

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 25/12

21:05-00:03

Nonstop4h 58m

San Francisco

Tue 30/12

18:50-01:09

Nonstop4h 19m

₹ 22,994

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 6/2

14:05-22:59

2 stops10h 54m

San Francisco

Mon 9/2

16:30-13:59

1 stop19h 29m

₹ 23,699

Flights are sorted by cheapest return flights first.

Deals found on 10/9

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 29 August 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 83 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 ₹ 982). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,187). 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 10 September 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 53% 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 10 September 2025.

The most flights from CHI to SFO are scheduled on a Monday (89 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 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 10 September 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
10,000 reviews
Check prices

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

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 74 inbound flights from Chicago per day.

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

    Airlines like Alaska Airlines and Southwest fly from Chicago to San Francisco in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 7h 11m. 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 ₹ 13,531, 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 ₹ 18,243. 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 (79%), ANA (79%), Austrian Airlines( 75%).

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

    On average you can expect to pay ₹ 13,499 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 5,692 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 15,858.

  • 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 ₹ 982). Flying from Chicago to San Francisco in July is currently the most expensive (average of ₹ 1,187). 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
Half Moon Bay
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 10 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest₹ 13,531Average₹ 42,020FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 18,243Average₹ 23,520FlexibilityNo 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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