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Cheap flights from Chicago to San Francisco from ₹ 12,338

CHI — SFO
23 Oct — 30 Oct1
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 61 days in advance, depart on a Friday or Tuesday 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

Fri 16/1020:01 -
1 stop26h 37m
Sun 18/1008:58 -
1 stop19h 36m
Deal found 20/9₹ 25,059
Sat 17/1006:30 -
1 stop6h 35m
Mon 19/1019:25 -
1 stop9h 09m
Deal found 20/9₹ 25,538
Thu 15/1012:26 -
1 stop11h 59m
Sat 17/1019:25 -
1 stop9h 09m
Deal found 20/9₹ 27,737
Sat 17/1014:14 -
1 stop7h 33m
Sun 18/1008:58 -
1 stop19h 36m
Deal found 20/9₹ 28,024
Sat 17/1006:30 -
1 stop6h 35m
Sat 17/1019:25 -
1 stop9h 09m
Deal found 20/9₹ 28,694
Fri 23/1006:30 -
1 stop6h 35m
Fri 30/1019:58 -
1 stop7h 15m
Deal found 22/9₹ 29,077
Sat 17/1014:21 -
1 stop7h 10m
Thu 19/1114:44 -
1 stop7h 05m
Deal found 20/9₹ 30,320
Thu 15/1017:46 -
1 stop8h 06m
Wed 21/1006:07 -
1 stop10h 13m
Deal found 21/9₹ 30,416
Fri 6/1117:00 -
1 stop17h 59m
Mon 9/1120:50 -
1 stop18h 37m
Deal found 23/9₹ 30,894
Wed 28/1010:12 -
2 stops14h 03m
Mon 2/1114:40 -
2 stops18h 03m
Deal found 19/9₹ 31,850
Thu 15/1021:25 -
Nonstop4h 45m
Wed 21/1023:40 -
Nonstop4h 10m
Deal found 23/9₹ 32,233
Mon 26/1021:25 -
Nonstop4h 45m
Sat 31/1011:25 -
1 stop6h 00m
Deal found 22/9₹ 32,807

Find flight deals from Chicago to San Francisco

Round-trip from

₹ 25,059

One-way from

₹ 12,338

Popular in

June

Cheapest in

September

Average price

₹ 32,233

Good round-trip deal

₹ 28,360 or less

Good one-way deal

₹ 17,438 or less
Frontier
  • Frontier
  • 16/10-18/10
  • 2 total stops
  • 46h 13m total
  • Chicago to San Francisco
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Frontier
  • Frontier
  • 3/11-31/12
  • 1 total stop
  • 6h 47m total
  • Chicago to San Francisco
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (₹ 249,978 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (₹ 56,378 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Chicago (CHI) to San Francisco.
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Price to beat on a one-way flight from Chicago (CHI) to San Francisco.
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Cheapflights Fare Finder

 
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

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Thu 22/10

21:25-00:10

Nonstop4h 45m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Sat 10/10

16:05-18:54

Nonstop4h 49m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Wed 4/11

21:05-23:55

Nonstop4h 50m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164
Fastest return journey

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Mon 18/1

21:15-23:55

Nonstop4h 40m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Tue 3/11

21:05-23:55

Nonstop4h 50m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Thu 17/12

11:00-13:50

Nonstop4h 50m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,164

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Sat 24/10

12:27-22:15

2 stops11h 48m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 16,547

ChicagoSan Francisco

MDW Chicago Midway - SFO San Francisco

MDWSFO

Chicago Midway

Mon 21/12

18:30-00:06

1 stop7h 36m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 17,121

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Fri 30/10

18:20-21:24

Nonstop5h 04m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 17,408

ChicagoSan Francisco

ORD Chicago O'Hare Intl - SFO San Francisco

ORDSFO

Chicago O'Hare Intl

Tue 24/11

14:30-17:25

Nonstop4h 55m

San Francisco

Wed 31/12

00:00-02:00

Nonstop0h 00m

₹ 17,503

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 42 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

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, October is the cheapest month in which you can book a flight from Chicago to San Francisco (average of ₹ 34,433). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 45,336). 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?

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 27% versus a flight in the afternoon.

Weekly flight availability from Chicago to San Francisco

The most flights from CHI to SFO are scheduled on a Monday (99 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (28 on average).

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

Airfare is below average for this route at the moment.
Chicago to San Francisco flights typically cost between ₹ 26,494 and ₹ 45,480 in October.
The cheapest return price found within the last 5 days was ₹ 25,059 on Frontier (16 Oct–18 Oct).

How often are flights from Chicago to San Francisco delayed?

About 27% of weekly flights between Chicago and San Francisco have experienced delays in the past year, with the average delay time being 173 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?

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 23% 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 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

  • 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 51 inbound flights from Chicago per day.

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

    Airlines like Southwest, United Airlines, and Alaska Airlines fly from Chicago to San Francisco in about 4h 50m. The time it takes to get you to your destination can typically vary by up to 10h 58m. Chicago and San Francisco are separated by a distance of 2976 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 ₹ 6,887, 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 ₹ 19,374 and ₹ 28,360, respectively. You may be able to fly from Chicago to San Francisco for 82% 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: Air China (82%), Air Canada (71%), United Airlines( 71%).

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

    On average you can expect to pay ₹ 27,613 for a flight from Chicago to San Francisco. The cheapest flight overall is ₹ 16,057 while the most popular route, (Chicago O'Hare Intl - San Francisco) is currently priced at ₹ 29,172.

  • 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 ₹ 34,433). Flying from Chicago to San Francisco in June is currently the most expensive (average of ₹ 45,336). 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
Mountain View
Burlingame
Milpitas
Santa Clara

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Chicago to San Francisco

O'Hare Intl to San Francisco flights

Top 3 airlines flying from Chicago to San Francisco

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest₹ 6,887Average₹ 19,483FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest₹ 19,374Average₹ 37,011FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest₹ 28,360Average₹ 41,907FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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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