Cheap flights from San Francisco to Chicago (SFO - CHI)

Know your dates, get live prices in seconds:

From
To
Depart
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

The best prices from San Francisco to Chicago are usually found in August or July, booked 31 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

How to find the cheapest flight from
San Francisco (SFO) to Chicago (CHI)

SFO - CHI
Price
$216 - $369
CHI
Temperature
33.8 - 84.2 °F
CHI
Rainfall
0.7 - 4.3 inches

Popular in

December

High demand for flights, 22% potential price rise

Cheapest in

August

Best time to find cheap flights, 25% potential price drop

Round-trip from

$216

From San Francisco to Chicago

One-way from

$38

One-way flight from San Francisco to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Chicago?

Flights from San Francisco to Chicago are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 10% on flights from San Francisco to Chicago compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $137. For sooner than that we have options available in the next 3 days from $157.

What is the cheapest month to fly from San Francisco to Chicago?

April is one of the best times of the year to fly to Chicago from San Francisco. Prices for April average $135 per person but you can even find prices for as low as $33. The most expensive prices can be found in the month of December. Opting for a April flight can save you 49% on your journey compared to booking in April

When is the cheapest time to fly from San Francisco to Chicago (SFO - CHI)?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Chicago in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight at noon.

Cheap flights from San Francisco to Chicago in March, April 2021

30 Mar - 7 Apr
$74pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
28 Apr - 3 May
$78pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
8 Apr - 11 Apr
$83pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco

San Francisco to Chicago 2021 flight deals

30 Mar - 7 Apr
$74pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
28 Apr - 3 May
$78pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
8 Apr - 11 Apr
$83pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco

Non-stop flights to Chicago from San Francisco

23 Mar - 27 Mar
$152pp
SFO
San Francisco
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
SFO
San Francisco
23 Mar - 27 Mar
$155pp
SFO
San Francisco
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
24 Mar - 31 Mar
$156pp
SFO
San Francisco
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Chicago

9 Mar - 11 Mar
$90pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
9 Mar - 14 Mar
$91pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
12 Mar - 23 Mar
$95pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco

One-way flights to Chicago from San Francisco

8:59 pm - 8:46 am
Frontier
1 Stop
9h 47m
SFO - ORD
Frontier
$38
lastminute.com
6:21 am - 1:00 am
Frontier
1 Stop
16h 39m
SFO - ORD
Frontier
$39
Gotogate
8:59 pm - 7:34 pm
Frontier
1 Stop
20h 35m
SFO - ORD
Frontier
$40
FlightNetwork

Related info for your journey

Flight FAQs

From San Francisco to Chicago

Are flight prices decreasing from San Francisco to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both San Francisco and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from San Francisco to Chicago to control the spread of COVID-19?

New policies can now be found on Alaska Airlines and Delta to help keep travelers safe while flying. Some of the new policies that have been implemented to accommodate travelers flying from San Francisco to Chicago are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from San Francisco to Chicago have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, American Airlines, and Alaska Airlines flying from San Francisco to Chicago have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Chicago for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco to Chicago for under $100. The cheapest flight booked recently is on Frontier for just $74, but on average you can expect to pay $94.

Are there nonstop flights from San Francisco to Chicago for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Chicago under $200. A good price for a nonstop flight from San Francisco to Chicago is less than $183.

Are there last-minute flights available from San Francisco to Chicago for under $100?

There are currently 20+ open flights from San Francisco to Chicago within the next 7 days for less than $100.

What days are nonstop flights available from San Francisco to Chicago?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Saturday.

How many flights depart from San Francisco to Chicago on average per day?

Travelers can expect 24 flights from San Francisco to Chicago on average per day.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 71% of flight departures
Afternoon (Noon - 6pm) - 17% of flight departures
Evening (6pm - Midnight) - 4% of flight departures

Is San Francisco weather warmer or cooler than Chicago?

You can imagine temperatures to be in the 84 °F range in July. The weather in Chicago is generally hotter than San Francisco's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from San Francisco to Chicago?

A quick flight from San Francisco to Chicago can take about 6h 29m. Delta provides one of the quickest options available for as low as $353. There are 1851 mi between San Francisco and Chicago. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What is the cheapest airline to fly from San Francisco to Chicago round-trip?

Frontier, at $74, was found to be the cheapest airline from San Francisco to Chicago.. Frontier is currently priced 74% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from San Francisco to Chicago one-way?

One-way options have recently been found by users for as low as $38 on Frontier.

Alternative routes for San Francisco to Chicago

Destination information for Chicago

Average temperature for March in Chicago
50.0 °F
Avg rainfall for March in Chicago
1.6 ″

Airports servicing San Francisco

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 8 airlines flying from San Francisco to Chicago

Airline Cheapest Average Flexibility On-time COVID-19 safety
Sun Country Air
$131 $224 No cancel fee 83%
Frontier
$106 $243 No cancel fee 62%
Spirit Airlines
$103 $321 No cancel fee 65%
Alaska Airlines
$118 $337 No cancel fee 75%
United Airlines
$138 $380 No cancel fee 69%
Delta
$127 $387 No cancel fee N/A
American Airlines
$138 $389 No cancel fee 71%
Southwest
$299 $516 No cancel fee 63%

Hourly flight availability from San Francisco to Chicago

Morning 6 AM to noon 84% of SFO to CHI departures
Evening 6 PM to midnight 7% of SFO to CHI departures
Early morning Midnight to 6 AM 6% of SFO to CHI departures
Afternoon Noon to 6 PM 3% of SFO to CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Chicago
Sunday
21 daily flights
Monday
15 daily flights
Tuesday
17 daily flights
Wednesday
12 daily flights
Thursday
29 daily flights
Friday
21 daily flights
Saturday
24 daily flights
Home North America USA Illinois Chicago Cheap flights from San Francisco to Chicago