Find flights
Deals
When to book
FAQs

Cheap flights from Chicago to San Francisco from ₹ 11,363

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
17 Apr — 24 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to San Francisco are usually found in May or July, 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 18 March 2026.

Tue 14/418:20
ORD
-
SFO
Nonstop5h 00m
United Airlines
Tue 28/400:45
SFO
-
ORD
Nonstop4h 22m
United Airlines
Deal found 17/3₹ 21,895
Tue 7/406:15
ORD
-
SFO
1 stop7h 10m
Delta
Wed 8/414:55
SFO
-
ORD
1 stop6h 57m
Delta
Deal found 16/3₹ 22,634
Sat 16/508:40
ORD
-
SFO
Nonstop4h 44m
United Airlines
Tue 19/500:45
SFO
-
ORD
Nonstop4h 22m
United Airlines
Deal found 17/3₹ 23,189
Tue 2/614:00
ORD
-
SFO
1 stop10h 21m
Delta
Tue 9/608:55
SFO
-
ORD
1 stop6h 35m
Delta
Deal found 17/3₹ 23,743
Wed 3/606:10
ORD
-
SFO
Nonstop4h 37m
United Airlines
Wed 3/618:34
SFO
-
ORD
Nonstop4h 25m
United Airlines
Deal found 17/3₹ 23,835
Tue 14/414:40
ORD
-
SFO
1 stop8h 15m
Southwest
Wed 15/407:20
SFO
-
ORD
2 stops9h 30m
Southwest
Deal found 16/3₹ 24,205
Wed 15/406:25
ORD
-
SFO
Nonstop4h 51m
United Airlines
Fri 17/400:45
SFO
-
ORD
Nonstop4h 22m
United Airlines
Deal found 16/3₹ 24,482
Tue 14/410:30
ORD
-
SFO
2 stops10h 35m
Southwest
Wed 29/411:25
SFO
-
ORD
2 stops10h 30m
Southwest
Deal found 18/3₹ 24,667
Tue 14/410:30
ORD
-
SFO
2 stops10h 35m
Southwest
Tue 14/422:40
SFO
-
ORD
1 stop12h 10m
Southwest
Deal found 18/3₹ 24,759
Wed 29/415:52
ORD
-
SFO
1 stop9h 09m
Alaska Airlines
Wed 6/510:10
SFO
-
ORD
2 stops11h 49m
Alaska Airlines
Deal found 15/3₹ 24,852
Thu 9/419:10
ORD
-
SFO
1 stop6h 49m
Delta
Wed 15/422:55
SFO
-
ORD
1 stop9h 24m
Delta
Deal found 17/3₹ 25,036
Sat 18/407:00
ORD
-
SFO
1 stop6h 50m
Southwest
Wed 22/407:20
SFO
-
ORD
2 stops9h 30m
Southwest
Deal found 18/3₹ 25,129

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 18 March 2026.

Round-trip from

₹ 21,895

One-way from

₹ 11,363

Popular in

February

Cheapest in

May

Average price

₹ 36,677

Good round-trip deal

₹ 39,430 or less

Good one-way deal

₹ 12,187 or less
United Airlines
  • United Airlines
  • 14/4-28/4
  • Nonstop
  • 9h 22m total
  • Chicago to San Francisco
Search Deals
Delta
  • Delta
  • 18/4
  • 1 total stop
  • 9h 55m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (₹ 513,467 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 66,435 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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

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 18 March 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

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 8/4

06:25-09:16

Nonstop4h 51m

San Francisco

Sun 12/4

00:45-07:07

Nonstop4h 22m

₹ 23,189

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 8/4

14:40-20:55

1 stop8h 15m

San Francisco

Sun 12/4

22:55-12:50

1 stop11h 55m

₹ 28,639

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 29/4

06:25-09:16

Nonstop4h 51m

San Francisco

Sun 3/5

22:35-05:14

Nonstop4h 39m

₹ 29,748

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 25/4

07:15-16:51

2 stops11h 36m

San Francisco

Mon 27/4

22:55-08:01

1 stop7h 06m

₹ 30,395

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 1/5

16:15-23:45

2 stops9h 30m

San Francisco

Fri 8/5

13:25-23:55

2 stops8h 30m

₹ 30,949

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 15/4

10:30-16:40

2 stops8h 10m

San Francisco

Wed 29/4

11:25-23:55

2 stops10h 30m

₹ 32,520
Fastest return journey

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 2/7

14:29-17:18

Nonstop4h 49m

San Francisco

Mon 6/7

22:38-05:01

Nonstop4h 23m

₹ 32,797

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 6/4

16:55-00:50

2 stops9h 55m

San Francisco

Mon 13/4

22:55-12:50

1 stop11h 55m

₹ 33,536

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 8/8

07:00-15:11

1 stop10h 11m

San Francisco

Sat 15/8

13:45-23:57

1 stop8h 12m

₹ 34,644

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 17/4

08:00-17:00

2 stops11h 00m

San Francisco

Sun 19/4

22:55-12:50

1 stop11h 55m

₹ 35,384

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 24 resultsSorted by cheapest first
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 13 March 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 ₹ 7,391). Flying from Chicago to San Francisco in February is currently the most expensive (average of ₹ 20,048). 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 18 March 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 22% 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 18 March 2026.

The most flights from CHI to SFO are scheduled on a Wednesday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (45 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 175 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?

Thursday 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.

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 61 inbound flights from Chicago per day.

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

    Airlines like United Airlines and Southwest fly from Chicago to San Francisco in about 4h 51m. The time it takes to get you to your destination can typically vary by up to 1h 59m. 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 ₹ 6,652, 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 ₹ 18,714 and ₹ 19,130, respectively. You may be able to fly from Chicago to San Francisco for 79% 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 (88%), Air China (83%), Air New Zealand( 78%).

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

    On average you can expect to pay ₹ 16,389 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 5,772 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 28,639.

  • 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 ₹ 7,391). Flying from Chicago to San Francisco in February is currently the most expensive (average of ₹ 20,048). 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest₹ 6,652Average₹ 19,679FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest₹ 18,714Average₹ 35,749FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 19,130Average₹ 35,968FlexibilityNo 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.