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
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

$89

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 12% on your trip compared to booking a flight at noon.

Cheap flights from San Francisco to Chicago in June, July 2021

The best prices found for SFO to CHI flights for June, July
12 Jul - 31 Aug
$163pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
20 Jul - 24 Aug
$169pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
19 Jul - 3 Aug
$181pp
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
19 Oct - 26 Oct
$103pp
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
21 Sep - 28 Sep
$138pp
SFO
San Francisco
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
14 Sep - 22 Sep
$140pp
SFO
San Francisco
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco

Non-stop flights to Chicago from San Francisco

Save time with San Francisco to Chicago direct flight deals
19 Oct - 27 Oct
$103pp
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
21 Sep - 28 Sep
$138pp
SFO
San Francisco
Multiple Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
14 Sep - 22 Sep
$140pp
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

Late deals on round-trip flights to Chicago from San Francisco, departing today and this week
27 Jun - 13 Jul
$209pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
25 Jun - 26 Jun
$211pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
25 Jun - 26 Jun
$216pp
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
5:55 am - 12:28 pm
Alaska Airlines
Nonstop
4h 33m
SFO - ORD
Alaska Airlines
8:02 am - 7:51 pm
Delta
1 Stop
9h 49m
SFO - ORD
Delta
$94
Delta
9:55 am - 4:11 pm
United Airlines
Nonstop
4h 16m
SFO - ORD
United Airlines
$99
United

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

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 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.

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 40 daily outbound flights to Chicago from 9 different airlines.

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 Alaska Airlines for just $103, but on average you can expect to pay $152.

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 $176.

Are there last-minute flights available from San Francisco to Chicago for under $300?

There are currently 20+ open flights from San Francisco to Chicago within the next 7 days for less than $300.

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

Nonstop flights can be found on the following days: Friday.

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

Travelers can expect 7 flights from San Francisco to Chicago on average per day.
Afternoon (Noon - 6pm) - 100% 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 3h 57m. United Airlines provides one of the quickest options available for as low as $186. There are 1851 mi between San Francisco and Chicago. Most flights are nonstop.

What are the cheapest airlines flying from San Francisco to Chicago round-trip?

Alaska Airlines, at $103, was found to be the cheapest airline from San Francisco to Chicago.Alternate airlines to your destination round-trip include Frontier and American Airlines. Alaska Airlines is currently priced 64% 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 $34 on Alaska Airlines. Other airlines that offer cheap prices include Frontier from $82 and United Airlines from $87 one-way.

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
4h 35m
Average temperature for June in Chicago
78.8 °F
Avg rainfall for June in Chicago
3.4 ″

Airports servicing San Francisco

Airports servicing Chicago

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
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

See what time of day planes typically take off from San Francisco towards Chicago.
Morning 6 AM to noon 60% of SFO to CHI departures
Early morning Midnight to 6 AM 15% of SFO to CHI departures
Afternoon Noon to 6 PM 14% of SFO to CHI departures
Evening 6 PM to midnight 11% 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
35 daily flights
Monday
37 daily flights
Tuesday
43 daily flights
Wednesday
50 daily flights
Thursday
46 daily flights
Friday
47 daily flights
Saturday
27 daily flights
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