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

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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)

All the information you need to plan the best SFO to CHI flight in 2021: compare San Francisco to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
SFO - CHI
Price
$216 - $369
CHI
Temperature
23 - 73.4 °F
CHI
Precipitation
1.7 - 4.9 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 (CHI)

One-way from

$78

One-way flight from San Francisco to Chicago (CHI)

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

August is one of the best times of the year to fly to Chicago from San Francisco. Prices for August average $287 per person but you can even find prices for as low as $118. The most expensive prices can be found in the month of December. Opting for a August flight can save you 28% on your journey compared to booking in August

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

One of the essential ways to save on airfare from San Francisco to Chicago is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 12% on airfare.

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

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 19% on your flight compared to booking on days when demand is much higher.

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

To save up to 57% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Chicago from $363 1-2 weeks out and tickets from $479 for flights departing within the next 72 hours.

Cheap flights from San Francisco to Chicago in October, November 2021

The best prices found for SFO to CHI flights for October, November
12 Nov - 20 Nov
$113pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
26 Oct - 8 Dec
$122pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
19 Oct - 23 Oct
$123pp
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

Cheap flights to Chicago from San Francisco found for this year
12 Nov - 20 Nov
$113pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
26 Oct - 8 Dec
$122pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
19 Oct - 23 Oct
$123pp
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

Save time with San Francisco to Chicago direct flight deals
3 Nov - 3 Nov
$140pp
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
26 Oct - 27 Oct
$152pp
SFO
San Francisco
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
SFO
San Francisco
30 Oct - 2 Nov
$157pp
SFO
San Francisco
Alaska 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

Late deals on round-trip flights to Chicago from San Francisco, departing today and this week
19 Oct - 23 Oct
$123pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
20 Oct - 26 Oct
$128pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
19 Oct - 23 Oct
$132pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco

One-way flights to Chicago from San Francisco

The cheapest one-way flights from San Francisco to Chicago
8:51 pm - 5:40 pm
Multiple Airlines
2 Stops
18h 49m
SFO - ORD
Multiple Airlines
$78
Kiwi.com
4:30 am - 10:50 am
Alaska Airlines
Nonstop
4h 20m
SFO - ORD
Alaska Airlines
11:40 am - 10:38 am
Frontier
2 Stops
20h 58m
SFO - ORD
Frontier
$81
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">San Francisco</span> to <span class="emphasized">Chicago</span> flights.

Flight FAQs

From San Francisco to Chicago

What airport do you fly from for flights from San Francisco to Chicago?

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to Chicago from San Francisco. Booking flights from San Francisco (SFO) to Chicago should be relatively easy as there are 53 daily outbound flights to Chicago from 9 different airlines.

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 $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to Chicago for under $200. The cheapest flight booked recently is on Frontier for just $114, but on average you can expect to pay $131.

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 $186.

Are there last-minute flights available from San Francisco to Chicago for under $200?

There are currently 20+ open flights from San Francisco to Chicago within the next 7 days for less than $200.

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

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Saturday.

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

Per day, 13 flights depart from San Francisco to Chicago on average.
Morning (6am - Noon) - 31% of flight departures
Afternoon (Noon - 6pm) - 69% of flight departures

How long is the flight from San Francisco to Chicago?

Departing from San Francisco to Chicago will take you 8h 22m. The distance from San Francisco to Chicago is about 1851 mi.

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

Frontier, at $114, was found to be the cheapest airline from San Francisco to Chicago.. This flight start at 60% lower than the current average price 3 months from now.

What are the most reliable airlines from San Francisco to Chicago?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco to Chicago on time: Alaska Airlines (98%), Singapore Airlines (98%), Royal Jordanian (97%).

What are the most popular airlines that fly from San Francisco to Chicago?

The most popular airlines flying from San Francisco to Chicago are Major Airline, American Airlines and Alaska Airlines. Something to consider prior to booking your flight.

What are the most popular routes from San Francisco to Chicago?

While some choose either San Francisco - Chicago Midway or San Francisco - Chicago Greater Rockford, San Francisco - Chicago O'Hare Intl is the most popular route from San Francisco to Chicago.

What are the cheapest flights from San Francisco to Chicago?

Looking at all options, your cheapest flight can be booked for $102. While the most popular route (San Francisco - Chicago O'Hare Intl) can be booked for $122 on average our data indicates $675 when flying from San Francisco to Chicago

COVID Restrictions

View COVID Travel Restrictions for Chicago, IL

Do I need a COVID test to fly to Chicago from San Francisco?

Information is based on travel restrictions for travel to Chicago within the United States

Most visitors from San Francisco need to provide a negative COVID-19 test result and/or quarantine to enter Chicago.

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Chicago.

Do I need a test to fly back to San Francisco from Chicago?

Returning to San Francisco from Chicago

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering San Francisco.

Hide COVID Travel Restrictions for Chicago, IL

Alternative routes for San Francisco to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from San Francisco to Chicago.
Flight duration from SFO to Chicago
4h 32m
Average temperature for October in Chicago
64.4 °F
Avg rainfall for October in Chicago
2.6 ″

Airports servicing San Francisco

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Top 8 airlines flying from San Francisco to Chicago

The chart below displays the airlines Cheapflights users traveling from San Francisco to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$103 $321 No cancel fee 65%
Frontier
$106 $243 No cancel fee 62%
Alaska Airlines
$118 $337 No cancel fee 75%
Delta
$127 $387 No cancel fee N/A
Sun Country Air
$131 $224 No cancel fee 83%
American Airlines
$138 $389 No cancel fee 71%
United Airlines
$138 $380 No cancel fee 69%
Southwest
$299 $516 No cancel fee 63%

Hourly flight availability from San Francisco to Chicago

See what time of day planes typically take off from San Francisco towards Chicago.
Morning 6 AM to noon 53% of SFO to CHI departures
Evening 6 PM to midnight 21% of SFO to CHI departures
Afternoon Noon to 6 PM 14% of SFO to CHI departures
Early morning Midnight to 6 AM 12% of SFO to CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Chicago
See how many times per day planes take to the skies headed from San Francisco to Chicago.
Sunday
49 daily flights
Monday
52 daily flights
Tuesday
48 daily flights
Wednesday
64 daily flights
Thursday
62 daily flights
Friday
52 daily flights
Saturday
50 daily flights
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