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

United Airlines, Alaska Airlines, and Delta 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?

376 flights are operational weekly from San Francisco to Chicago O'Hare Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off 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 182 minutes.

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.

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 evening have, in the past, seen delays more frequently in comparison.

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

As of December 2025, 53 flights take off from San Francisco and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 06:00, with 47% of daily flights taking off at midday.

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

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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 are updated daily.

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 stopovers. 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 licence 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.

$193 Cheap Flights from San Francisco to Chicago O'Hare Intl Airport in 2025/26

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14:30 - 23:50

SFO

ORD

7h 20m1 stop

14:06 - 21:58

ORD

SFO

9h 52m2 stops

$403Alaska Airlines

Fri, 23 Jan - Mon, 26 Jan

06:00 - 12:25

SFO

ORD

4h 25mdirect

09:00 - 12:10

ORD

SFO

5h 10mdirect

$405United Airlines

Thu, 1 Jan - Fri, 9 Jan

14:05 - 00:02

SFO

ORD

7h 57m1 stop

14:20 - 23:28

ORD

SFO

11h 08m1 stop

$406Delta

Thu, 25 Dec - Tue, 6 Jan

07:00 - 17:10

SFO

ORD

8h 10m1 stop

15:44 - 22:47

ORD

SFO

9h 03m1 stop

$409Alaska Airlines

Thu, 15 Jan - Wed, 21 Jan

23:56 - 06:25

SFO

ORD

4h 29mdirect

18:29 - 21:30

ORD

SFO

5h 01mdirect

$411United Airlines

Tue, 6 Jan - Thu, 8 Jan

15:15 - 21:32

SFO

ORD

4h 17mdirect

14:40 - 17:36

ORD

SFO

4h 56mdirect

$414United Airlines

Fri, 16 Jan - Sun, 18 Jan

00:40 - 08:40

SFO

ORD

6h 00m1 stop

14:20 - 22:54

ORD

SFO

10h 34m2 stops

$415Delta

Thu, 15 Jan - Tue, 20 Jan

19:20 - 05:02

SFO

ORD

7h 42m1 stop

15:44 - 22:47

ORD

SFO

9h 03m1 stop

$418Alaska Airlines

Mon, 29 Dec - Fri, 9 Jan

15:15 - 21:32

SFO

ORD

4h 17mdirect

06:47 - 09:40

ORD

SFO

4h 53mdirect

$420United Airlines

Fri, 9 Jan - Sun, 11 Jan

05:45 - 16:38

SFO

ORD

8h 53m1 stop

07:20 - 14:05

ORD

SFO

8h 45m1 stop

$424Delta

Thu, 5 Feb - Mon, 30 Mar

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

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

Alaska Airlines

23 Jan

SFO14:30San Francisco

7h 20m

1 stop

ORD23:50Chicago O'Hare Intl

26 Jan

ORD14:06Chicago O'Hare Intl

9h 52m

2 stops

SFO21:58San Francisco

$403

Find similar

Alaska Airlines

15 Jan

SFO07:00San Francisco

8h 10m

1 stop

ORD17:10Chicago O'Hare Intl

21 Jan

ORD15:44Chicago O'Hare Intl

9h 03m

1 stop

SFO22:47San Francisco

$409

Find similar

Alaska Airlines

29 Dec

SFO19:20San Francisco

7h 42m

1 stop

ORD05:02Chicago O'Hare Intl

9 Jan

ORD15:44Chicago O'Hare Intl

9h 03m

1 stop

SFO22:47San Francisco

$418

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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

1 Jan

SFO06:00San Francisco

4h 25m

ORD12:25Chicago O'Hare Intl

9 Jan

ORD09:00Chicago O'Hare Intl

5h 10m

SFO12:10San Francisco

$405

Find similar

United Airlines

6 Jan

SFO23:56San Francisco

4h 29m

ORD06:25Chicago O'Hare Intl

8 Jan

ORD18:29Chicago O'Hare Intl

5h 01m

SFO21:30San Francisco

$411

Find similar

United Airlines

16 Jan

SFO15:15San Francisco

4h 17m

ORD21:32Chicago O'Hare Intl

18 Jan

ORD14:40Chicago O'Hare Intl

4h 56m

SFO17:36San Francisco

$414

Find similar

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

Fri 23/1

14:30-23:50

1 stop7h 20m

Chicago O'Hare Intl

Mon 26/1

14:06-21:58

2 stops9h 52m

$403

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 1/1

06:00-12:25

Nonstop4h 25m

Chicago O'Hare Intl

Fri 9/1

09:00-12:10

Nonstop5h 10m

$405

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 25/12

14:05-00:02

1 stop7h 57m

Chicago O'Hare Intl

Tue 6/1

14:20-23:28

1 stop11h 08m

$406

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 15/1

07:00-17:10

1 stop8h 10m

Chicago O'Hare Intl

Wed 21/1

15:44-22:47

1 stop9h 03m

$409

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 6/1

23:56-06:25

Nonstop4h 29m

Chicago O'Hare Intl

Thu 8/1

18:29-21:30

Nonstop5h 01m

$411

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 16/1

15:15-21:32

Nonstop4h 17m

Chicago O'Hare Intl

Sun 18/1

14:40-17:36

Nonstop4h 56m

$414

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 15/1

00:40-08:40

1 stop6h 00m

Chicago O'Hare Intl

Tue 20/1

14:20-22:54

2 stops10h 34m

$415

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 29/12

19:20-05:02

1 stop7h 42m

Chicago O'Hare Intl

Fri 9/1

15:44-22:47

1 stop9h 03m

$418

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Fri 9/1

15:15-21:32

Nonstop4h 17m

Chicago O'Hare Intl

Sun 11/1

06:47-09:40

Nonstop4h 53m

$420

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 5/2

05:45-16:38

1 stop8h 53m

Chicago O'Hare Intl

Mon 30/3

07:20-14:05

1 stop8h 45m

$424

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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

Prices

Airlines

Delays

Other information

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

The month of January is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco, with most prices found around $447. If you are unable to visit Chicago O'Hare Intl Airport during the month of January, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around $469.

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

Our data shows that the cheapest San Francisco to Chicago O'Hare Intl Airport flights are usually those with departure times in the evening. Our users have found flights to Chicago O'Hare Intl Airport in the evening for as low as $554. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $653.

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 $558 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 $445 on momondo.

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

There is only 1 cabin class 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?

No. A direct flight is the cheapest option for a flight between San Francisco to Chicago O'Hare Intl Airport.

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

As of December 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 14% more expensive 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

Best price found	$486
Fastest flight time	4h 23m
Direct flights	Every day

The best flight deal from San Francisco to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $486

The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 23m

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?
The distance between San Francisco and Chicago O'Hare Intl is about 2958.4 km. Typically, this will take 4h 23m by plane in normal conditions.
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 are updated daily.
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 stopovers. 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 licence 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 Airbus A321neo, making up 19.55% of the total bookings. Other popular models include Boeing 757-300 with 17.79%, Boeing 737-800 with 16.02%, and Boeing 737-900 with 10.61%.

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from San Francisco.

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

momondo does allow users to show only those flights to Chicago from San Francisco which offer a flexible booking policy as well as other useful filters and features.

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?

Of course. momondo tracks the price of San Francisco to Chicago 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 Chicago O'Hare Intl Airport trip

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Cheap flights from San Francisco to Chicago from $193

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 24/1. 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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Alaska Airlines flights from San Francisco to Chicago O'Hare Intl Airport

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

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

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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.

See travel insights to Chicago from

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

What is the cheapest month to fly 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 is only 1 cabin class 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?

No. A direct flight is the cheapest option for a flight between San Francisco to Chicago O'Hare Intl Airport.

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

As of December 2025, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 14% more expensive 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?

United Airlines, Alaska Airlines, and Delta 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 182 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 evening 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, United Airlines have had the fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

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

As of December 2025, 53 flights take off from San Francisco and land in Chicago O'Hare Intl Airport each day. The most common flight departure time for this route is 06:00, with 47% of daily flights taking off at midday.

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

376 flights are operational weekly from San Francisco to Chicago O'Hare Intl Airport as of December 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off 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

Best price found

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

Popular Cities in the United States

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