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Cheap flights from Chicago to San Francisco from ₹ 11,545

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

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 Saturday or Friday and return on a Monday

Cheap 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 December 2025.

Wed 24/1219:45ORD - SFO
Nonstop5h 10mUnited Airlines
Wed 31/1223:35SFO - ORD
Nonstop4h 23mUnited Airlines
Deal found 11/12₹ 29,583
Thu 25/1218:25ORD - SFO
Nonstop5h 04mUnited Airlines
Wed 31/1205:00SFO - ORD
Nonstop4h 25mUnited Airlines
Deal found 10/12₹ 32,289
Thu 25/1210:46ORD - SFO
2 stops14h 04mDelta
Thu 1/105:50SFO - ORD
1 stop9h 32mDelta
Deal found 11/12₹ 32,920
Wed 24/1219:45ORD - SFO
Nonstop5h 10mUnited Airlines
Mon 5/123:35SFO - ORD
Nonstop4h 20mUnited Airlines
Deal found 11/12₹ 34,003
Wed 17/1215:05ORD - SFO
1 stop9h 43mAlaska Airlines
Wed 7/117:02SFO - ORD
1 stop19h 27mAlaska Airlines
Deal found 10/12₹ 34,363
Tue 16/1206:00ORD - SFO
1 stop7h 27mDelta
Wed 31/1205:50SFO - ORD
1 stop9h 32mDelta
Deal found 9/12₹ 35,265
Wed 17/1207:50ORD - SFO
1 stop10h 07mDelta
Wed 31/1222:45SFO - ORD
1 stop8h 16mDelta
Deal found 10/12₹ 35,356
Thu 25/1210:46ORD - SFO
2 stops14h 04mDelta
Mon 5/122:54SFO - ORD
1 stop8h 47mDelta
Deal found 11/12₹ 35,536
Tue 16/1208:55ORD - SFO
1 stop15h 53mAlaska Airlines
Sun 25/106:00SFO - ORD
1 stop15h 50mAlaska Airlines
Deal found 9/12₹ 35,716
Wed 24/1214:15ORD - SFO
2 stops9h 35mSouthwest
Wed 31/1205:30SFO - ORD
1 stop7h 55mSouthwest
Deal found 9/12₹ 36,257
Wed 31/1206:15ORD - SFO
Nonstop4h 57mUnited Airlines
Mon 5/106:00SFO - ORD
Nonstop4h 25mUnited Airlines
Deal found 11/12₹ 36,708
Mon 22/1219:05ORD - SFO
1 stop6h 58mDelta
Thu 25/1205:50SFO - ORD
1 stop9h 32mDelta
Deal found 10/12₹ 37,701

Find 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 December 2025.

Round-trip from

₹ 21,917

One-way from

₹ 11,545

Popular in

December

Cheapest in

July

Average price

₹ 40,226

Good round-trip deal

₹ 33,097 or less
Alaska Airlines
  • Alaska Airlines
  • 3/2-5/2
  • 2 total stops
  • 21h 53m total
  • Chicago to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 13/1
  • Nonstop
  • 4h 50m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (₹ 470,323 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 87,970 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to San Francisco.
Search Deals

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 December 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

Thu 22/1

09:00-16:32

1 stop9h 32m

San Francisco

Wed 28/1

07:00-23:37

1 stop14h 37m

₹ 21,917

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 7/1

07:30-13:38

1 stop8h 08m

San Francisco

Sun 11/1

14:39-23:53

1 stop7h 14m

₹ 22,368

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 6/1

06:00-18:07

1 stop14h 07m

San Francisco

Wed 7/1

12:00-23:50

1 stop9h 50m

₹ 22,548

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 20/2

07:00-21:55

1 stop16h 55m

San Francisco

Wed 25/2

13:45-23:56

1 stop8h 11m

₹ 22,548

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 24/2

14:07-19:47

1 stop7h 40m

San Francisco

Thu 5/3

06:30-23:56

1 stop15h 26m

₹ 22,548

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 26/2

13:00-23:59

1 stop12h 59m

San Francisco

Wed 4/3

06:30-16:33

1 stop8h 03m

₹ 22,548

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 6/1

13:09-22:54

1 stop11h 45m

San Francisco

Thu 8/1

14:52-23:37

1 stop6h 45m

₹ 23,450

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 23/1

18:06-14:00

1 stop21h 54m

San Francisco

Mon 26/1

14:30-23:50

1 stop7h 20m

₹ 23,721

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 6/1

06:00-22:54

1 stop18h 54m

San Francisco

Fri 9/1

07:00-23:50

1 stop14h 50m

₹ 23,721

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 7/2

15:44-22:47

1 stop9h 03m

San Francisco

Fri 13/2

06:30-16:33

1 stop8h 03m

₹ 24,623

Flights are sorted by cheapest return flights first.

Deals found on 10/12

Showing 1-10 of 22 results
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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 5 December 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 ₹ 7,215). Flying from Chicago to San Francisco in November is currently the most expensive (average of ₹ 18,670). 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 December 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 in the evening, which can drop the price by up to 48% 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 December 2025.

The most flights from CHI to SFO are scheduled on a Thursday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

How often are flights from Chicago to San Francisco delayed?

About 19% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 169 minutes.

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

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

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

Tuesday 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.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 17% of flights being delayed.

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 December 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
11,050 reviews
Check prices

Crew

8.0

Boarding

7.5

Comfort

7.2

Food

6.5

Overall

7.2

Entertainment

6.9

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
11,050 reviews
American Airlines
7.2
Good
11,050 reviews
Check prices

Crew

8.0

Boarding

7.5

Comfort

7.2

Food

6.5

Overall

7.2

Entertainment

6.9

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. 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 52 inbound flights from Chicago per day.

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

    Airlines like Delta and Alaska Airlines fly from Chicago to San Francisco in about 8h 08m. The time it takes to get you to your destination can typically vary by up to 8h 47m. 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 ₹ 6,494, 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 ₹ 13,853 and ₹ 15,881, respectively. You may be able to fly from Chicago to San Francisco for 78% 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: ANA (89%), Air China (84%), China Southern( 77%).

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

    On average you can expect to pay ₹ 34,901 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 18,269 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 45,006.

  • 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 ₹ 7,215). Flying from Chicago to San Francisco in November is currently the most expensive (average of ₹ 18,670). 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
Fairfield
Mountain View
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 3 airlines flying from Chicago to San Francisco

Discover the top 3 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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest₹ 6,494Average₹ 19,212FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest₹ 15,881Average₹ 35,881FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest₹ 18,269Average₹ 35,713FlexibilityNo cancel feeOn-time69%
Search United 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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