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Cheap flights from Chicago to San Francisco from ₹ 14,908

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
20 Jul — 27 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in September or October, booked 69 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

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 20 June 2026.

Tue 28/706:20
ORD
-
SFO
1 stop7h 29m
Alaska Airlines
Tue 4/807:55
SFO
-
ORD
1 stop9h 02m
Alaska Airlines
Deal found 15/6₹ 29,721
Fri 16/1007:20
ORD
-
SFO
1 stop7h 21m
Alaska Airlines
Mon 26/1020:43
SFO
-
ORD
1 stop7h 37m
Alaska Airlines
Deal found 15/6₹ 30,570
Tue 21/707:30
ORD
-
SFO
Nonstop4h 49m
United Airlines
Mon 27/700:50
SFO
-
ORD
Nonstop4h 26m
United Airlines
Deal found 19/6₹ 31,042
Wed 5/806:10
ORD
-
SFO
Nonstop4h 37m
United Airlines
Thu 6/823:30
SFO
-
ORD
Nonstop4h 27m
United Airlines
Deal found 19/6₹ 31,325
Fri 16/1007:20
ORD
-
SFO
1 stop7h 21m
Alaska Airlines
Fri 23/1020:43
SFO
-
ORD
1 stop7h 37m
Alaska Airlines
Deal found 15/6₹ 31,420
Fri 31/707:15
ORD
-
SFO
1 stop11h 26m
Frontier
Mon 3/820:23
SFO
-
ORD
1 stop7h 54m
Frontier
Deal found 17/6₹ 31,514
Thu 16/706:10
ORD
-
SFO
Nonstop4h 37m
United Airlines
Tue 21/723:30
SFO
-
ORD
Nonstop4h 27m
United Airlines
Deal found 16/6₹ 31,608
Sun 6/906:55
ORD
-
SFO
1 stop14h 30m
Frontier
Sat 14/1119:17
SFO
-
ORD
1 stop12h 44m
Frontier
Deal found 15/6₹ 31,891
Tue 14/707:20
ORD
-
SFO
1 stop7h 19m
Alaska Airlines
Tue 14/718:46
SFO
-
ORD
1 stop8h 14m
Alaska Airlines
Deal found 17/6₹ 32,174
Fri 10/721:35
ORD
-
SFO
Nonstop4h 57m
United Airlines
Tue 14/714:29
SFO
-
ORD
Nonstop4h 34m
United Airlines
Deal found 16/6₹ 32,458
Tue 23/606:55
ORD
-
SFO
1 stop15h 00m
Frontier
Sat 27/615:59
SFO
-
ORD
1 stop11h 08m
Frontier
Deal found 16/6₹ 32,646
Tue 15/1215:09
ORD
-
SFO
1 stop9h 00m
Alaska Airlines
Mon 4/115:04
SFO
-
ORD
1 stop6h 37m
Alaska Airlines
Deal found 18/6₹ 32,835

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 20 June 2026.

Round-trip from

₹ 29,721

One-way from

₹ 14,908

Popular in

June

Cheapest in

September

Average price

₹ 42,365

Good one-way deal

₹ 15,856 or less
Alaska Airlines
  • Alaska Airlines
  • 31/10-12/11
  • 2 total stops
  • 21h 36m total
  • Chicago to San Francisco
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 14/9
  • 1 total stop
  • 9h 24m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (₹ 122,315 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 49,219 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way 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 20 June 2026.
Use the filters below to find and compare flights from Chicago to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 9/7

06:10-08:47

Nonstop4h 37m

San Francisco

Tue 14/7

00:50-07:16

Nonstop4h 26m

₹ 31,608

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 9/7

17:54-23:46

1 stop7h 52m

San Francisco

Wed 15/7

14:30-23:18

1 stop6h 48m

₹ 33,495

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 31/7

07:45-12:03

1 stop6h 18m

San Francisco

Sun 2/8

00:12-08:30

1 stop6h 18m

₹ 34,345

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 4/7

06:20-11:49

1 stop7h 29m

San Francisco

Mon 6/7

11:52-23:36

1 stop9h 44m

₹ 34,911

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 5/8

06:10-08:47

Nonstop4h 37m

San Francisco

Sun 9/8

23:30-05:57

Nonstop4h 27m

₹ 35,005

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 11/10

06:07-08:45

Nonstop4h 38m

San Francisco

Sun 18/10

22:35-05:04

Nonstop4h 29m

₹ 38,402

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 30/7

06:10-08:47

Nonstop4h 37m

San Francisco

Mon 3/8

16:21-22:59

Nonstop4h 38m

₹ 39,157

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 7/8

18:20-21:18

Nonstop4h 58m

San Francisco

Sun 9/8

18:34-00:59

Nonstop4h 25m

₹ 39,157

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 28/7

07:30-10:19

Nonstop4h 49m

San Francisco

Mon 3/8

22:38-05:01

Nonstop4h 23m

₹ 39,157

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 6/9

14:18-21:42

1 stop9h 24m

San Francisco

Sat 14/11

08:35-05:40

2 stops19h 05m

₹ 40,383

Flights are sorted by cheapest return flights first.

Deals found on 20/6

Showing 1-10 of 23 resultsSorted by cheapest first
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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

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

Currently, September is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 32,552). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 51,045). 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 20 June 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 morning, which can drop the price by up to 27% 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 20 June 2026.

The most flights from CHI to SFO are scheduled on a Friday (96 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (56 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 23% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 176 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 at night tend to experience delays more often.

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

Saturday 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 20% of flights being delayed.

How far ahead should I book a flight from Chicago to San Francisco?

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

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 17.7 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 83 inbound flights from Chicago per day.

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

    Airlines like United Airlines, Delta, and Alaska Airlines fly from Chicago to San Francisco in about 4h 37m. The time it takes to get you to your destination can typically vary by up to 9h 52m. 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 ₹ 6,793, 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 ₹ 19,112 and ₹ 22,269, respectively. You may be able to fly from Chicago to San Francisco for 81% 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 (85%), Air China (76%), China Southern( 68%).

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

    On average you can expect to pay ₹ 25,118 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 15,798 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 41,044.

  • 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, September is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 32,552). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 51,045). 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
Santa Clara

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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest₹ 6,793Average₹ 20,098FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest₹ 19,112Average₹ 37,360FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 22,269Average₹ 41,340FlexibilityNo 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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