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Cheap flights from Chicago to San Francisco from ₹ 9,523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to San Francisco departing on 18/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Alaska Airlines Logo
19:59 - 11:03ORD-SFO
17h 04m1 stop
Alaska Airlines Logo
21:57 - 14:09SFO-ORD
14h 12m1 stop
₹ 19,223Alaska Airlines
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Tue, 9 Dec - Mon, 15 Dec
Frontier Logo
07:15 - 22:27ORD-SFO
17h 12m1 stop
Frontier Logo
22:25 - 12:58SFO-ORD
12h 33m1 stop
₹ 20,545Frontier
Find Deal
Tue, 7 Oct - Thu, 9 Oct
Alaska Airlines Logo
08:20 - 14:01ORD-SFO
7h 41m1 stop
Alaska Airlines Logo
08:41 - 23:59SFO-ORD
13h 18m1 stop
₹ 20,986Alaska Airlines
Find Deal
Tue, 21 Oct - Sat, 25 Oct
Sun Country Air Logo
10:21 - 22:54ORD-SFO
14h 33m1 stop
Sun Country Air Logo
23:59 - 10:44SFO-ORD
8h 45m1 stop
₹ 23,720Sun Country Air
Find Deal
Wed, 24 Dec - Tue, 30 Dec
Sun Country Air Logo
10:21 - 17:00ORD-SFO
8h 39m1 stop
Sun Country Air Logo
23:59 - 17:14SFO-ORD
15h 15m1 stop
₹ 23,984Sun Country Air
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Wed, 24 Dec - Wed, 31 Dec
United Airlines Logo
12:53 - 15:30ORD-SFO
4h 37mdirect
United Airlines Logo
13:28 - 19:40SFO-ORD
4h 12mdirect
₹ 24,425United Airlines
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Tue, 21 Oct - Tue, 4 Nov
Delta Logo
18:05 - 23:33ORD-SFO
7h 28m1 stop
Delta Logo
00:35 - 11:35SFO-ORD
9h 00m1 stop
₹ 24,602Delta
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Thu, 16 Oct - Mon, 20 Oct
Sun Country Air Logo
11:27 - 22:54ORD-SFO
13h 27m1 stop
Sun Country Air Logo
23:59 - 18:38SFO-ORD
16h 39m1 stop
₹ 24,866Sun Country Air
Find Deal
Tue, 23 Dec - Sun, 28 Dec
United Airlines Logo
14:35 - 17:20ORD-SFO
4h 45mdirect
United Airlines Logo
18:35 - 00:54SFO-ORD
4h 19mdirect
₹ 25,307United Airlines
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Sat, 18 Oct - Tue, 21 Oct
Delta Logo
07:37 - 16:05ORD-SFO
10h 28m1 stop
Delta Logo
00:35 - 11:35SFO-ORD
9h 00m1 stop
₹ 26,189Delta
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Thu, 23 Oct - Mon, 27 Oct

Delta flights from Chicago to San Francisco

Our best Delta deals on Chicago to San Francisco flight tickets
Delta
16 Oct
ORD18:05Chicago O'Hare Intl
7h 28m
1 stop
SFO23:33San Francisco
20 Oct
SFO00:35San Francisco
9h 00m
1 stop
ORD11:35Chicago O'Hare Intl
₹ 24,602
Find similar
Delta
23 Oct
ORD07:37Chicago O'Hare Intl
10h 28m
1 stop
SFO16:05San Francisco
27 Oct
SFO00:35San Francisco
9h 00m
1 stop
ORD11:35Chicago O'Hare Intl
₹ 26,189
Find similar
Delta
24 Sept
ORD07:55Chicago O'Hare Intl
6h 30m
1 stop
SFO12:25San Francisco
4 Oct
SFO00:45San Francisco
5h 40m
1 stop
ORD08:25Chicago O'Hare Intl
₹ 35,977
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Alaska Airlines flights from Chicago to San Francisco

Our best Alaska Airlines deals on Chicago to San Francisco flight tickets
Alaska Airlines
9 Dec
ORD19:59Chicago O'Hare Intl
17h 04m
1 stop
SFO11:03San Francisco
17 Dec
SFO07:00San Francisco
14h 50m
1 stop
ORD23:50Chicago O'Hare Intl
₹ 19,223
Find similar
Alaska Airlines
21 Oct
ORD08:20Chicago O'Hare Intl
7h 41m
1 stop
SFO14:01San Francisco
25 Oct
SFO08:41San Francisco
13h 18m
1 stop
ORD23:59Chicago O'Hare Intl
₹ 20,986
Find similar
Alaska Airlines
12 Dec
ORD15:05Chicago O'Hare Intl
10h 43m
1 stop
SFO23:48San Francisco
16 Dec
SFO08:09San Francisco
13h 41m
1 stop
ORD23:50Chicago O'Hare Intl
₹ 21,251
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momondo 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, momondo users made 59,053 searches. Data last updated 16 September 2025.
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

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 9/12

19:59-11:03

1 stop17h 04m

San Francisco

Mon 15/12

21:57-14:09

1 stop14h 12m

₹ 19,223

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 7/10

07:15-22:27

1 stop17h 12m

San Francisco

Thu 9/10

22:25-12:58

1 stop12h 33m

₹ 20,545

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 21/10

08:20-14:01

1 stop7h 41m

San Francisco

Sat 25/10

08:41-23:59

1 stop13h 18m

₹ 20,986

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

10:21-22:54

1 stop14h 33m

San Francisco

Tue 30/12

23:59-10:44

1 stop8h 45m

₹ 23,720

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 24/12

10:21-17:00

1 stop8h 39m

San Francisco

Wed 31/12

23:59-17:14

1 stop15h 15m

₹ 23,984

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 21/10

12:53-15:30

Nonstop4h 37m

San Francisco

Tue 4/11

13:28-19:40

Nonstop4h 12m

₹ 24,425

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 16/10

18:05-23:33

1 stop7h 28m

San Francisco

Mon 20/10

00:35-11:35

1 stop9h 00m

₹ 24,602

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 23/12

11:27-22:54

1 stop13h 27m

San Francisco

Sun 28/12

23:59-18:38

1 stop16h 39m

₹ 24,866

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 18/10

14:35-17:20

Nonstop4h 45m

San Francisco

Tue 21/10

18:35-00:54

Nonstop4h 19m

₹ 25,307

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 23/10

07:37-16:05

1 stop10h 28m

San Francisco

Mon 27/10

00:35-11:35

1 stop9h 00m

₹ 26,189

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Chicago to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago and San Francisco?

What is the cheapest month to fly to San Francisco?

In general, July is the cheapest month to fly from Chicago to San Francisco. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 25,307. If you aren’t able to travel to San Francisco during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of ₹ 25,395.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Chicago to San Francisco is on a Saturday. Travellers who choose to depart for San Francisco on a Saturday will often find tickets for as low as ₹ 18,442. The most expensive day to fly to San Francisco is Friday, with ticket prices averaging around ₹ 42,057.

What is the cheapest time of day to depart on your flight to San Francisco?

The cheapest time of day to fly to San Francisco is at midday when flights can be purchased for as low as ₹ 18,442. Flights in the afternoon are often more expensive, with an average ticket price of ₹ 39,619.

What is the cheapest Chicago to San Francisco flight route?

Fly from Chicago O'Hare Intl to San Francisco for the best Chicago - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around ₹ 27,695 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Chicago for as low as ₹ 23,984 on momondo.

What cabin class options are available on Chicago to San Francisco flights?

There are 2 cabin classes available to choose from on Chicago to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to San Francisco flight prices changed over time?

As of September 2025, prices for Chicago to San Francisco flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Chicago to San Francisco (CHI to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to San Francisco

Fastest flight time

4h 37m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Chicago to San Francisco takes 4h 37m
Direct flights go from Chicago to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
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  • How far is Chicago to San Francisco by plane?

    There are 2981.9 km between Chicago and San Francisco. A reasonable flight in good conditions will take 4h 37m.

  • When did momondo last update prices for flights from Chicago to San Francisco Airport?

    Prices for flights from Chicago to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chicago to San Francisco Airport?

  • How old do you have to be to fly from Chicago to San Francisco Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Chicago to San Francisco?

  • What is the most popular airline from Chicago to San Francisco?

Best airlines flying from Chicago to San Francisco

Compare and see reviews for airlines that fly from Chicago to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom ₹ 18,259Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • American Airlines Flights From Chicago to San Francisco

    American Airlines operates around 37 flights from Chicago to San Francisco every week. The average price of these flights found in the last 72 hours has been ₹ 267, but momondo users have found American Airlines deals from Chicago to San Francisco from as low as ₹ 207 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Menlo Park
Davis
Santa Clara
Palo Alto
San Mateo
South San Francisco
Gilroy
Sunnyvale
Roseville
Bodega Bay
Rancho Cordova
Belmont
Cupertino
Daly City
Fremont
Calistoga

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to San Francisco for you.

Can I find flights from Chicago to San Francisco with flexible booking policies on momondo?

Flights from Chicago to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to San Francisco right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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