Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Chicago to San Francisco from ₹ 11,423

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
12 Dec — 19 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 Wednesday

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 12 November 2025.

Round-trip from

₹ 21,960

One-way from

₹ 11,423

Popular in

November

Cheapest in

July

Average price

₹ 37,279

Good round-trip deal

₹ 41,825 or less

Good one-way deal

₹ 10,314 or less
Alaska Airlines
  • Alaska Airlines
  • 17/12-10/1
  • 2 total stops
  • 27h 53m total
  • Chicago to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 7/4
  • 1 total stop
  • 10h 18m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (₹ 440,930 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 69,372 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to San Francisco.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to San Francisco.
Search Deals

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 12 November 2025.

Wed 17/1220:59ORD - SFO
1 stop13h 16mAlaska Airlines
Sat 10/107:00SFO - ORD
1 stop14h 37mAlaska Airlines
Deal found 10/11₹ 21,960
Tue 2/1220:59ORD - SFO
1 stop13h 07mAlaska Airlines
Wed 7/114:25SFO - ORD
1 stop7h 25mAlaska Airlines
Deal found 10/11₹ 22,137
Tue 2/1220:59ORD - SFO
1 stop13h 07mAlaska Airlines
Sun 7/1207:00SFO - ORD
1 stop14h 50mAlaska Airlines
Deal found 11/11₹ 22,403
Wed 24/1206:05ORD - SFO
1 stop9h 08mFrontier
Tue 30/1216:07SFO - ORD
1 stop6h 05mFrontier
Deal found 12/11₹ 22,491
Tue 16/1208:55ORD - SFO
1 stop25h 11mAlaska Airlines
Tue 6/117:42SFO - ORD
2 stops9h 20mAlaska Airlines
Deal found 11/11₹ 22,668
Thu 4/1208:00ORD - SFO
1 stop9h 46mAlaska Airlines
Tue 6/119:20SFO - ORD
1 stop7h 42mAlaska Airlines
Deal found 10/11₹ 22,845
Sat 6/1210:45ORD - SFO
Nonstop4h 50mUnited Airlines
Sat 13/1222:40SFO - ORD
Nonstop4h 20mUnited Airlines
Deal found 12/11₹ 22,934
Tue 2/1220:59ORD - SFO
1 stop13h 07mAlaska Airlines
Thu 8/111:41SFO - ORD
1 stop9h 56mAlaska Airlines
Deal found 10/11₹ 23,111
Tue 2/1220:59ORD - SFO
1 stop13h 07mAlaska Airlines
Sat 6/1208:09SFO - ORD
1 stop13h 41mAlaska Airlines
Deal found 9/11₹ 23,200
Wed 10/1214:35ORD - SFO
Nonstop4h 53mUnited Airlines
Wed 17/1206:00SFO - ORD
Nonstop4h 24mUnited Airlines
Deal found 10/11₹ 23,288
Wed 17/1208:00ORD - SFO
1 stop8h 03mAlaska Airlines
Mon 5/114:50SFO - ORD
1 stop13h 39mAlaska Airlines
Deal found 11/11₹ 23,465
Thu 27/1110:35ORD - SFO
Nonstop4h 50mUnited Airlines
Wed 3/1214:50SFO - ORD
Nonstop4h 17mUnited Airlines
Deal found 10/11₹ 23,731

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 12 November 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

Wed 24/12

17:31-23:57

1 stop8h 26m

San Francisco

Tue 30/12

00:10-09:25

1 stop7h 15m

₹ 26,033

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

17:31-23:57

1 stop8h 26m

San Francisco

Thu 1/1

05:45-23:59

1 stop16h 14m

₹ 26,210

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 11/12

13:35-22:31

2 stops10h 56m

San Francisco

Sun 14/12

10:30-21:40

2 stops9h 10m

₹ 27,804

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 2/4

08:00-10:58

Nonstop4h 58m

San Francisco

Fri 10/4

18:30-01:00

Nonstop4h 30m

₹ 28,690

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 1/4

17:00-23:38

1 stop8h 38m

San Francisco

Wed 8/4

07:00-05:07

2 stops20h 07m

₹ 28,955

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 23/12

13:59-18:21

1 stop6h 22m

San Francisco

Mon 5/1

14:39-23:53

1 stop7h 14m

₹ 29,132

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

17:31-08:00

2 stops16h 29m

San Francisco

Mon 5/1

18:32-13:22

1 stop16h 50m

₹ 29,487

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 17/12

06:00-13:33

1 stop9h 33m

San Francisco

Sun 28/12

22:45-09:01

1 stop8h 16m

₹ 29,487

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

13:09-21:41

1 stop10h 32m

San Francisco

Thu 1/1

11:53-05:02

1 stop15h 09m

₹ 30,106

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

17:31-08:00

2 stops16h 29m

San Francisco

Tue 30/12

05:50-17:22

1 stop9h 32m

₹ 30,195

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 23 results
1
2
3

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 7 November 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 ₹ 7,084). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 17,533). 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 12 November 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 12 November 2025.

The most flights from CHI to SFO are scheduled on a Monday (75 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

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

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 12 November 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
11,049 reviews
Check prices

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

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
11,049 reviews
American Airlines
7.2
Good
11,049 reviews
Check prices

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Entertainment

6.9

Boarding

7.5

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. 1 airline 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 58 inbound flights from Chicago per day.

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

    Airlines like Delta and United Airlines fly from Chicago to San Francisco in about 4h 58m. The time it takes to get you to your destination can typically vary by up to 3h 28m. 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 is the cheapest airline to fly from Chicago to San Francisco round-trip?

    Currently priced at ₹ 15,592, American Airlines will fly you from Chicago to San Francisco and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. You may be able to fly from Chicago to San Francisco for 45% less than the average price by searching for this airline.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at ₹ 11,423. United Airlines flights start at ₹ 11,511 while deals on Southwest start at ₹ 11,511 one-way.

  • 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: ANA (90%), Air China (86%), Qantas Airways( 82%).

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

    On average you can expect to pay ₹ 42,478 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 10,314 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 17,090.

  • 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 ₹ 7,084). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 17,533). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 airline flying from Chicago to San Francisco

Discover the top airline 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 12 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest₹ 15,592Average₹ 34,474FlexibilityNo 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.