What is the cheapest airline that flies from San Francisco to Chicago O'Hare Intl?

Alaska Airlines, Delta, and Sun Country Air are the most popular carriers operating from San Francisco to Chicago O'Hare Intl

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?

The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 530 per week as of October 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

How often are flights from San Francisco to Chicago delayed?

Historically, on average around 10% of flights between San Francisco and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 186 minutes.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?

75 flights are operational daily from San Francisco to Chicago O'Hare Intl Airport as of October 2025. The most popular departure time for this route is 08:00, with 44% of flights per day taking off at midday.

Which airline has the best punctuality record on San Francisco to Chicago flights?

According to our data, ITA Airways have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

What is the most punctual flight time for San Francisco to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport were last updated today.

How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

₹ 9,675 Cheap Flights from San Francisco to Chicago O'Hare Intl Airport in 2025/26

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07:00 - 19:54SFO-ORD

10h 54m1 stop

08:55 - 23:48ORD-SFO

16h 53m1 stop

₹ 21,570Alaska Airlines

Find Deal

Sun, 7 Dec - Thu, 11 Dec

09:51 - 23:59SFO-ORD

12h 08m2 stops

09:20 - 22:01ORD-SFO

14h 41m1 stop

₹ 21,925Alaska Airlines

Find Deal

Wed, 5 Nov - Wed, 12 Nov

09:51 - 23:59SFO-ORD

12h 08m2 stops

14:54 - 21:55ORD-SFO

9h 01m1 stop

₹ 22,014Alaska Airlines

Find Deal

Wed, 5 Nov - Sat, 8 Nov

11:41 - 23:59SFO-ORD

10h 18m1 stop

15:51 - 23:57ORD-SFO

10h 06m1 stop

₹ 22,102Alaska Airlines

Find Deal

Tue, 18 Nov - Mon, 24 Nov

07:35 - 23:59SFO-ORD

14h 24m1 stop

08:55 - 21:46ORD-SFO

14h 51m1 stop

₹ 22,191Alaska Airlines

Find Deal

Fri, 5 Dec - Tue, 9 Dec

07:00 - 23:59SFO-ORD

14h 59m1 stop

14:54 - 22:01ORD-SFO

9h 07m1 stop

₹ 22,280Alaska Airlines

Find Deal

Tue, 11 Nov - Thu, 13 Nov

05:45 - 16:52SFO-ORD

9h 07m1 stop

14:14 - 22:31ORD-SFO

10h 17m1 stop

₹ 22,901Delta

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Thu, 27 Nov - Thu, 4 Dec

05:55 - 16:11SFO-ORD

8h 16m1 stop

07:47 - 15:57ORD-SFO

10h 10m1 stop

₹ 23,079Delta

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Fri, 31 Oct - Thu, 13 Nov

18:13 - 10:51SFO-ORD

14h 38m1 stop

10:51 - 22:54ORD-SFO

14h 03m1 stop

₹ 24,144Sun Country Air

Find Deal

Sat, 13 Dec - Mon, 22 Dec

07:00 - 13:23SFO-ORD

4h 23mdirect

10:35 - 13:25ORD-SFO

4h 50mdirect

₹ 26,541United Airlines

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Sat, 8 Nov - Tue, 11 Nov

United Airlines flights from San Francisco to Chicago O'Hare Intl Airport

Our best United Airlines deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

United Airlines

8 Nov

SFO07:00San Francisco

4h 23m

ORD13:23Chicago O'Hare Intl

11 Nov

ORD10:35Chicago O'Hare Intl

4h 50m

SFO13:25San Francisco

₹ 26,541

Find similar

United Airlines

28 Oct

SFO06:00San Francisco

4h 24m

ORD12:24Chicago O'Hare Intl

31 Oct

ORD06:15Chicago O'Hare Intl

4h 49m

SFO09:04San Francisco

₹ 33,287

Find similar

United Airlines

29 Oct

SFO14:45San Francisco

4h 17m

ORD21:02Chicago O'Hare Intl

12 Nov

ORD09:10Chicago O'Hare Intl

4h 46m

SFO11:56San Francisco

₹ 36,216

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Delta flights from San Francisco to Chicago O'Hare Intl Airport

Our best Delta deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

Delta

27 Nov

SFO05:50San Francisco

8h 46m

1 stop

ORD16:36Chicago O'Hare Intl

3 Dec

ORD07:50Chicago O'Hare Intl

10h 07m

1 stop

SFO15:57San Francisco

₹ 22,901

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Delta

31 Oct

SFO05:55San Francisco

8h 16m

1 stop

ORD16:11Chicago O'Hare Intl

13 Nov

ORD07:47Chicago O'Hare Intl

10h 10m

1 stop

SFO15:57San Francisco

₹ 23,079

Find similar

Delta

10 Mar

SFO13:59San Francisco

7h 45m

1 stop

ORD23:44Chicago O'Hare Intl

11 Mar

ORD07:30Chicago O'Hare Intl

17h 00m

1 stop

SFO22:30San Francisco

₹ 23,434

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momondo Fare Finder

Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 7/12

07:00-19:54

1 stop10h 54m

Chicago O'Hare Intl

Thu 11/12

08:55-23:48

1 stop16h 53m

₹ 21,570

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/11

09:51-23:59

2 stops12h 08m

Chicago O'Hare Intl

Wed 12/11

09:20-22:01

1 stop14h 41m

₹ 21,925

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/11

09:51-23:59

2 stops12h 08m

Chicago O'Hare Intl

Sat 8/11

14:54-21:55

1 stop9h 01m

₹ 22,014

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 18/11

11:41-23:59

1 stop10h 18m

Chicago O'Hare Intl

Mon 24/11

15:51-23:57

1 stop10h 06m

₹ 22,102

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 5/12

07:35-23:59

1 stop14h 24m

Chicago O'Hare Intl

Tue 9/12

08:55-21:46

1 stop14h 51m

₹ 22,191

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 11/11

07:00-23:59

1 stop14h 59m

Chicago O'Hare Intl

Thu 13/11

14:54-22:01

1 stop9h 07m

₹ 22,280

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 27/11

05:45-16:52

1 stop9h 07m

Chicago O'Hare Intl

Thu 4/12

14:14-22:31

1 stop10h 17m

₹ 22,901

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 31/10

05:55-16:11

1 stop8h 16m

Chicago O'Hare Intl

Thu 13/11

07:47-15:57

1 stop10h 10m

₹ 23,079

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 13/12

18:13-10:51

1 stop14h 38m

Chicago O'Hare Intl

Mon 22/12

10:51-22:54

1 stop14h 03m

₹ 24,144

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 8/11

07:00-13:23

Nonstop4h 23m

Chicago O'Hare Intl

Tue 11/11

10:35-13:25

Nonstop4h 50m

₹ 26,541

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

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

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco is in January. Flight prices, which tend to average around ₹ 27,073, are often lower during this time because this is during the off-season. If you don’t want to visit Chicago O'Hare Intl Airport in January, then you should wait until April to fly from San Francisco, when ticket prices are also cheap, with an average price of ₹ 27,251.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Monday when prices can be found for as low as ₹ 15,831. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around ₹ 63,601. These prices are subject to change though, so be sure to set up a Price Alert for flights to Chicago O'Hare Intl Airport.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

In the evening is the cheapest time of day to fly from San Francisco to Chicago O'Hare Intl Airport when you can find flight prices for as low as ₹ 30,994. Flying to Chicago O'Hare Intl Airport in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at midday when prices are ₹ 39,408 on average. Flights to Chicago O'Hare Intl Airport from San Francisco at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around ₹ 32,732 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from San Francisco for as low as ₹ 26,629 on momondo.

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Chicago O'Hare Intl Airport flights?

You could potentially save up to 64% on your flight if you consider stops on a San Francisco to Chicago O'Hare Intl Airport flight.

How have San Francisco to Chicago O'Hare Intl Airport flight prices changed over time?

As of October 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Chicago O'Hare Intl Airport

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

Estimated return price

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Fastest flight time	3h 57m
Direct flights	Every day

The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 3h 57m

Direct flights go from San Francisco to Chicago O'Hare Intl Airport every day.

Search flight deals

How far is San Francisco to Chicago O'Hare Intl by plane?
Chicago O'Hare Intl is 2958.4 km away from San Francisco. By plane, this route typically takes 4h 23m.
When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?
Prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport were last updated today.
How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?
Based on momondo bookings for flights between San Francisco and Chicago O'Hare Intl Airport, the leading plane model is Boeing 757-300, making up 17.01% of the total bookings. Other popular models include Boeing 737-800 with 16.90%, Airbus A321neo with 16.71%, and Boeing 777 with 13.13%.

Rosemont

Schaumburg

Oak Brook

Merrillville

Willowbrook

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Chicago . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for San Francisco to Chicago flights to just show those with flexible booking policies.

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

Once all potential San Francisco to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from San Francisco and alert you when they change.

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from San Francisco to Chicago from ₹ 9,675

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Chicago departing on 9/12. 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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United Airlines flights from San Francisco to Chicago O'Hare Intl Airport

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Delta flights from San Francisco to Chicago O'Hare Intl Airport

Our best Delta deals on San Francisco to Chicago O'Hare Intl Airport flight tickets

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Use the filters below to find and compare flights from San Francisco to Chicago O'Hare Intl Airport that are best for you.

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How to get the cheapest flight ticket from San Francisco to Chicago O'Hare Intl Airport

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 cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest San Francisco to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on San Francisco to Chicago O'Hare Intl flights?

There are 3 cabin classes available to choose from on San Francisco to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Chicago O'Hare Intl Airport flights?

You could potentially save up to 64% on your flight if you consider stops on a San Francisco to Chicago O'Hare Intl Airport flight.

How have San Francisco to Chicago O'Hare Intl Airport flight prices changed over time?

As of October 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 13% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from San Francisco to Chicago O'Hare Intl?

Alaska Airlines, Delta, and Sun Country Air are the most popular carriers operating from San Francisco to Chicago O'Hare Intl

How often are flights from San Francisco to Chicago delayed?

Historically, on average around 10% of flights between San Francisco and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 186 minutes.

What is the most punctual flight time for San Francisco to Chicago flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

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

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to Chicago flights?

According to our data, ITA Airways have had the fewest delays on this route over the last 12 months, with no flights being classified as delayed.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per day?

75 flights are operational daily from San Francisco to Chicago O'Hare Intl Airport as of October 2025. The most popular departure time for this route is 08:00, with 44% of flights per day taking off at midday.

How many flights depart from San Francisco to Chicago O'Hare Intl Airport on average per week?

The number of flights available between San Francisco and Chicago O'Hare Intl Airport is 530 per week as of October 2025. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.

When to book flights from San Francisco to Chicago O'Hare Intl Airport

Cheap San Francisco to Chicago O'Hare Intl Airport (SFO to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Chicago O'Hare Intl Airport

Fastest flight time

Direct flights

How far is San Francisco to Chicago O'Hare Intl by plane?

When did momondo last update prices for flights from San Francisco Airport to Chicago O'Hare Intl Airport?

How old do you have to be to fly from San Francisco Airport to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from San Francisco to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago?

Why use momondo?

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

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

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

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

An easier way to manage your Chicago O'Hare Intl Airport 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

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Popular flights according to clicks in the last 7 days on momondo