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

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The best prices from San Francisco International 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 International (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 International to Chicago

One-way from

$69

One-way flight from San Francisco International 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 International to Chicago?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 17% on the overall cost on flights from San Francisco International to Chicago.

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

The best pricing can be found in the month of April. Prices to Chicago from San Francisco International average $135. You can even find prices in April for less than $135, as users have found deals to Chicago from as low as $33. The month of December appears to be one of the more expensive times to travel to Chicago from San Francisco International. Flying in the targeted month can save you up to 49%.

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

Unlike at noon, when flights are generally more expensive, you can save up to 9% on flights from San Francisco International to Chicago by exploring options for tickets in the evening.

Cheap flights from San Francisco International to Chicago in January, February 2021

The best prices found for SFO to CHI flights for January, February
25 Jan - 31 Jan
$85pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
17 Feb - 25 Feb
$87pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
28 Jan - 1 Mar
$88pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco

San Francisco International to Chicago 2021 flight deals

Cheap flights to Chicago from San Francisco International found for this year
25 Jan - 31 Jan
$85pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
17 Feb - 25 Feb
$87pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
28 Jan - 1 Mar
$88pp
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 International

Save time with San Francisco International to Chicago direct flight deals
10 Feb - 20 Feb
$137pp
SFO
San Francisco
American Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
American Airlines
Non-Stop
SFO
San Francisco
29 Jan - 30 Jan
$152pp
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
16 Feb - 23 Feb
$156pp
SFO
San Francisco
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
United Airlines
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco International to Chicago

Late deals on round-trip flights to Chicago from San Francisco International, departing today and this week
25 Jan - 31 Jan
$85pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
25 Jan - 31 Jan
$88pp
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
25 Jan - 31 Jan
$114pp
SFO
San Francisco
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco

One-way flights to Chicago from San Francisco International

The cheapest one-way flights from San Francisco International to Chicago
5:45 am - 11:52 am
United Airlines
Nonstop
4h 07m
SFO - ORD
United Airlines
$69
United
7:30 am - 6:10 pm
Alaska Airlines
1 Stop
8h 40m
SFO - ORD
Alaska Airlines
$76
mytrip.com
10:20 am - 4:18 pm
American Airlines
Nonstop
3h 58m
SFO - ORD
American Airlines

Related info for your journey

Useful info, stats and facts about San Francisco International to Chicago flights.

Flight FAQs

From San Francisco International 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 International to Chicago for under $100 on Cheapflights?

Yes, there are multiple flights from San Francisco International to Chicago for under $100. The cheapest flight booked recently is on Frontier for just $85, but on average you can expect to pay $114.

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

Cheapflights has at least 20 direct flights from San Francisco International to Chicago under $200. A good price for a nonstop flight from San Francisco International to Chicago is less than $211.

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

There are currently 20+ open flights from San Francisco International 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: Monday.

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

Travelers can expect 1 flight from San Francisco to Chicago on average per day.
Morning (6am - Noon) - 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 International to Chicago?

A quick flight from San Francisco International to Chicago can take about 6h 29m. Delta provides one of the quickest options available for as low as $1,102. San Francisco International and Chicago are separated by a distance of 1851 mi. 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 International to Chicago round-trip?

Frontier, at $85, was found to be the cheapest airline from San Francisco International to Chicago.. Frontier is priced at 70% lower than the current average price of a flight leaving 3 months from now.

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

$43 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $69 and $76, respectively.

Alternative routes for San Francisco International to Chicago

Destination information for Chicago

Things to know before you go. Useful info for your trip from San Francisco International to Chicago
Average temperature for January in Chicago
33.8 °F
Avg rainfall for January in Chicago
0.7 ″

Airports servicing San Francisco

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Top 8 airlines flying from San Francisco International to Chicago

The chart below displays the airlines Cheapflights users traveling from San Francisco International 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 International to Chicago

Morning 6 AM to noon 46% of SFO to CHI departures
Afternoon Noon to 6 PM 27% of SFO to CHI departures
Evening 6 PM to midnight 21% of SFO to CHI departures
Early morning Midnight to 6 AM 6% of SFO to CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco International to Chicago
Sunday
31 daily flights
Monday
17 daily flights
Tuesday
17 daily flights
Wednesday
23 daily flights
Thursday
22 daily flights
Friday
34 daily flights
Saturday
18 daily flights
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