Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Chicago to San Francisco from ₹ 10,788

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
12 Mar — 19 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in July or May, booked 83 days in advance, depart on a Saturday or Friday and return on a Wednesday

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 10 February 2026.

Sat 7/321:15
ORD
-
SFO
Nonstop5h 01m
United Airlines
Sat 21/317:15
SFO
-
ORD
Nonstop4h 23m
United Airlines
Deal found 9/2₹ 22,029
Wed 11/306:15
ORD
-
SFO
1 stop7h 10m
Delta
Sun 15/305:50
SFO
-
ORD
1 stop8h 53m
Delta
Deal found 9/2₹ 22,392
Fri 20/306:17
ORD
-
SFO
Nonstop5h 05m
United Airlines
Tue 24/315:15
SFO
-
ORD
Nonstop4h 22m
United Airlines
Deal found 7/2₹ 22,483
Sat 14/321:15
ORD
-
SFO
Nonstop5h 01m
United Airlines
Wed 18/315:15
SFO
-
ORD
Nonstop4h 22m
United Airlines
Deal found 9/2₹ 22,845
Fri 20/306:17
ORD
-
SFO
Nonstop5h 05m
United Airlines
Mon 30/323:52
SFO
-
ORD
Nonstop4h 28m
United Airlines
Deal found 9/2₹ 22,936
Sun 22/306:17
ORD
-
SFO
Nonstop5h 05m
United Airlines
Fri 27/318:44
SFO
-
ORD
Nonstop4h 15m
United Airlines
Deal found 7/2₹ 23,117
Fri 20/306:17
ORD
-
SFO
Nonstop5h 05m
United Airlines
Wed 25/317:15
SFO
-
ORD
Nonstop4h 23m
United Airlines
Deal found 9/2₹ 23,208
Fri 13/306:17
ORD
-
SFO
Nonstop5h 05m
United Airlines
Fri 20/318:44
SFO
-
ORD
Nonstop4h 15m
United Airlines
Deal found 7/2₹ 23,389
Sat 7/319:50
ORD
-
SFO
Nonstop5h 06m
United Airlines
Sat 14/318:44
SFO
-
ORD
Nonstop4h 15m
United Airlines
Deal found 8/2₹ 23,480
Tue 10/308:20
ORD
-
SFO
2 stops12h 24m
Alaska Airlines
Tue 17/316:21
SFO
-
ORD
1 stop12h 18m
Alaska Airlines
Deal found 9/2₹ 23,661
Thu 5/315:54
ORD
-
SFO
1 stop10h 05m
Alaska Airlines
Wed 11/306:40
SFO
-
ORD
1 stop15h 19m
Alaska Airlines
Deal found 7/2₹ 23,842

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 10 February 2026.

Round-trip from

₹ 22,029

One-way from

₹ 10,788

Popular in

December

Cheapest in

July

Average price

₹ 35,990

Good round-trip deal

₹ 30,390 or less
United Airlines
  • United Airlines
  • 7/3-21/3
  • Nonstop
  • 9h 24m total
  • Chicago to San Francisco
Search Deals
Southwest
  • Southwest
  • 6/4
  • 1 total stop
  • 7h 30m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 541,690 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 61,258 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 10 February 2026.
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 14/3

06:17-09:22

Nonstop5h 05m

San Francisco

Fri 20/3

18:44-00:59

Nonstop4h 15m

₹ 22,392

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 4/5

19:35-11:05

2 stops17h 30m

San Francisco

Sat 9/5

11:05-22:20

1 stop9h 15m

₹ 24,658

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 27/2

18:45-23:54

1 stop7h 09m

San Francisco

Sun 1/3

05:45-16:41

1 stop8h 56m

₹ 25,202

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 22/4

06:25-09:16

Nonstop4h 51m

San Francisco

Sat 25/4

13:50-20:27

Nonstop4h 37m

₹ 25,474

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 10/3

07:00-16:30

2 stops11h 30m

San Francisco

Wed 11/3

06:25-15:00

1 stop6h 35m

₹ 25,837

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/6

06:00-10:56

1 stop6h 56m

San Francisco

Mon 29/6

20:45-06:20

1 stop7h 35m

₹ 26,562

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 25/4

18:20-21:20

Nonstop5h 00m

San Francisco

Wed 6/5

00:45-07:07

Nonstop4h 22m

₹ 26,653

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 7/3

19:50-22:56

Nonstop5h 06m

San Francisco

Tue 10/3

15:15-21:37

Nonstop4h 22m

₹ 26,653

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 28/4

15:45-18:38

Nonstop4h 53m

San Francisco

Sun 3/5

18:29-00:59

Nonstop4h 30m

₹ 26,653

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 29/4

06:25-09:16

Nonstop4h 51m

San Francisco

Tue 5/5

05:30-11:55

Nonstop4h 25m

₹ 26,653

Flights are sorted by cheapest return flights first.

Deals found on 9/2

Showing 1-10 of 24 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 6 February 2026.

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 ₹ 7,252). Flying from Chicago to San Francisco in February is currently the most expensive (average of ₹ 18,856). 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 February 2026.

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 28% 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 February 2026.

The most flights from CHI to SFO are scheduled on a Monday (59 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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

How often are flights from Chicago to San Francisco delayed?

About 21% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 172 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 19% 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 10 February 2026.
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
11,258 reviews
Check prices

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Comfort

7.2

Overall

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
11,258 reviews
American Airlines
7.2
Good
11,258 reviews
Check prices

Boarding

7.5

Entertainment

6.9

Crew

8.0

Food

6.4

Comfort

7.2

Overall

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. 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 38 inbound flights from Chicago per day.

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

    Airlines like Delta, United Airlines, and Southwest fly from Chicago to San Francisco in about 5h 05m. The time it takes to get you to your destination can typically vary by up to 12h 25m. 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 ₹ 6,527, 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 ₹ 18,363 and ₹ 18,772, 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%), British Airways (73%), Lufthansa( 72%).

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

    On average you can expect to pay ₹ 36,533 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 21,396 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 20,579.

  • 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 ₹ 7,252). Flying from Chicago to San Francisco in February is currently the most expensive (average of ₹ 18,856). 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
Santa Clara

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 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 10 February 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest₹ 6,527Average₹ 19,310FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest₹ 18,363Average₹ 35,896FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 18,772Average₹ 36,065FlexibilityNo 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.