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Cheap flights from San Francisco to Chicago from $170

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 15/4. 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

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Delta Logo
22:55 - 10:01
SFO
-
ORD
9h 06m
1 stop
Delta Logo
18:59 - 23:54
ORD
-
SFO
6h 55m
1 stop
$374Delta
Wed, 15 Apr - Mon, 20 Apr
Southwest Logo
05:00 - 13:55
SFO
-
ORD
6h 55m
1 stop
Southwest Logo
15:05 - 22:00
ORD
-
SFO
8h 55m
1 stop
$375Southwest
Thu, 5 Mar - Sat, 7 Mar
Southwest Logo
05:00 - 16:15
SFO
-
ORD
9h 15m
1 stop
Southwest Logo
15:05 - 23:15
ORD
-
SFO
10h 10m
2 stops
$378Southwest
Sat, 21 Feb - Sat, 28 Feb
Delta Logo
05:50 - 16:43
SFO
-
ORD
8h 53m
1 stop
Delta Logo
18:59 - 23:54
ORD
-
SFO
6h 55m
1 stop
$393Delta
Sun, 12 Apr - Mon, 20 Apr
United Airlines Logo
14:10 - 20:30
SFO
-
ORD
4h 20mdirect
United Airlines Logo
06:25 - 09:27
ORD
-
SFO
5h 02mdirect
$396United Airlines
Thu, 12 Feb - Tue, 17 Feb
Southwest Logo
06:40 - 19:00
SFO
-
ORD
10h 20m
2 stops
Southwest Logo
18:20 - 23:15
ORD
-
SFO
6h 55m
1 stop
$398Southwest
Thu, 5 Mar - Sat, 7 Mar
Alaska Airlines Logo
20:59 - 06:39
SFO
-
ORD
7h 40m
1 stop
Alaska Airlines Logo
16:10 - 22:52
ORD
-
SFO
8h 42m
1 stop
$407Alaska Airlines
Mon, 6 Apr - Thu, 16 Apr
Alaska Airlines Logo
06:35 - 23:59
SFO
-
ORD
15h 24m
1 stop
Alaska Airlines Logo
08:50 - 23:48
ORD
-
SFO
16h 58m
1 stop
$408Alaska Airlines
Sun, 19 Apr - Tue, 5 May
Delta Logo
06:05 - 17:22
SFO
-
ORD
9h 17m
1 stop
Delta Logo
13:55 - 18:35
ORD
-
SFO
6h 40m
1 stop
$410Delta
Thu, 14 May - Wed, 20 May
Delta Logo
05:45 - 16:41
SFO
-
ORD
8h 56m
1 stop
Delta Logo
14:20 - 23:04
ORD
-
SFO
10h 44m
2 stops
$411Delta
Sat, 21 Feb - Wed, 25 Feb

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
15 Apr
SFO22:55San Francisco
9h 06m
1 stop
ORD10:01Chicago O'Hare Intl
20 Apr
ORD18:59Chicago O'Hare Intl
6h 55m
1 stop
SFO23:54San Francisco
$374
Delta
12 Apr
SFO05:50San Francisco
8h 53m
1 stop
ORD16:43Chicago O'Hare Intl
16 Apr
ORD10:45Chicago O'Hare Intl
10h 18m
1 stop
SFO19:03San Francisco
$393
Delta
14 May
SFO06:05San Francisco
9h 17m
1 stop
ORD17:22Chicago O'Hare Intl
20 May
ORD13:55Chicago O'Hare Intl
6h 40m
1 stop
SFO18:35San Francisco
$410

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

Our best Southwest deals on San Francisco to Chicago O'Hare Intl Airport flight tickets
Southwest
5 Mar
SFO05:00San Francisco
6h 55m
1 stop
ORD13:55Chicago O'Hare Intl
7 Mar
ORD15:05Chicago O'Hare Intl
8h 55m
1 stop
SFO22:00San Francisco
$375
Southwest
21 Feb
SFO05:00San Francisco
9h 15m
1 stop
ORD16:15Chicago O'Hare Intl
28 Feb
ORD15:05Chicago O'Hare Intl
10h 10m
2 stops
SFO23:15San Francisco
$378
Southwest
5 Mar
SFO06:40San Francisco
10h 20m
2 stops
ORD19:00Chicago O'Hare Intl
7 Mar
ORD18:20Chicago O'Hare Intl
6h 55m
1 stop
SFO23:15San Francisco
$398

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco to Chicago O'Hare Intl Airport 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 78,305 searches. Data last updated 18 January 2026.
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

Wed 15/4

22:55-10:01

1 stop9h 06m

Chicago O'Hare Intl

Mon 20/4

18:59-23:54

1 stop6h 55m

$374

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 5/3

05:00-13:55

1 stop6h 55m

Chicago O'Hare Intl

Sat 7/3

15:05-22:00

1 stop8h 55m

$375

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 21/2

05:00-16:15

1 stop9h 15m

Chicago O'Hare Intl

Sat 28/2

15:05-23:15

2 stops10h 10m

$378

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 12/4

05:50-16:43

1 stop8h 53m

Chicago O'Hare Intl

Mon 20/4

18:59-23:54

1 stop6h 55m

$393

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 12/2

14:10-20:30

Nonstop4h 20m

Chicago O'Hare Intl

Tue 17/2

06:25-09:27

Nonstop5h 02m

$396

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 5/3

06:40-19:00

2 stops10h 20m

Chicago O'Hare Intl

Sat 7/3

18:20-23:15

1 stop6h 55m

$398

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 6/4

20:59-06:39

1 stop7h 40m

Chicago O'Hare Intl

Thu 16/4

16:10-22:52

1 stop8h 42m

$407

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sun 19/4

06:35-23:59

1 stop15h 24m

Chicago O'Hare Intl

Tue 5/5

08:50-23:48

1 stop16h 58m

$408

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 14/5

06:05-17:22

1 stop9h 17m

Chicago O'Hare Intl

Wed 20/5

13:55-18:35

1 stop6h 40m

$410

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 21/2

05:45-16:41

1 stop8h 56m

Chicago O'Hare Intl

Wed 25/2

14:20-23:04

2 stops10h 44m

$411

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 Chicago from

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?

The month of September is, on average, the cheapest month to fly to Chicago O'Hare Intl Airport from San Francisco, with most prices found around $470. If you are unable to visit Chicago O'Hare Intl Airport during the month of September, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around $474.

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 $551. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around $649.

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 $564 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 $449 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 January 2026, prices for San Francisco to Chicago O'Hare Intl Airport flights are approximately 23% 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

Fastest flight time

4h 20m

Direct flights

Every day
The fastest flight from San Francisco to Chicago O'Hare Intl Airport takes 4h 20m
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 20m 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?

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Rosemont

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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