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

Know your dates, get live prices in seconds:

From
To
Wed 6/23
Fri 7/23
Any month
Compare vs. Cheapflights |
From
To
Depart
Wed 6/23
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 Chicago to San Francisco are usually found in August or April, booked 33 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

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

All the information you need to plan the best CHI to SFO flight in 2021: compare Chicago to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
CHI - SFO
Price
$236 - $312
SFO
Temperature
59 - 77 °F
SFO
Rainfall
0 - 4.7 inches

Popular in

December

High demand for flights, 13% potential price rise

Cheapest in

August

Best time to find cheap flights, 13% potential price drop

Round-trip from

$236

From Chicago to San Francisco

One-way from

$106

One-way flight from Chicago to San Francisco

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 Chicago to San Francisco?

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save up to 7% on this flight, we recommend booking at least 35 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to San Francisco from $99 1-2 weeks out and tickets from $105 for flights departing within the next 72 hours.

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

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, August can be a great choice for travel to San Francisco. Flights to San Francisco from Chicago in August are about $108 on average during August, but can be found for as low as $48.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 4% on flights from Chicago to San Francisco by exploring options for tickets in the evening.

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

The best prices found for CHI to SFO flights for June, July
28 Jul - 2 Aug
$178pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
28 Jul - 12 Aug
$184pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
26 Jul - 2 Aug
$185pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

Chicago to San Francisco 2021 flight deals

Cheap flights to San Francisco from Chicago found for this year
8 Oct - 13 Oct
$122pp
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
25 Sep - 1 Oct
$143pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
28 Sep - 1 Oct
$146pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to San Francisco from Chicago

Save time with Chicago to San Francisco direct flight deals
8 Oct - 13 Oct
$122pp
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
25 Sep - 16 Oct
$147pp
ORD
Chicago O'Hare Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
ORD
Chicago O'Hare Intl
21 Sep - 21 Sep
$149pp
ORD
Chicago O'Hare Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
United Airlines
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to San Francisco

Late deals on round-trip flights to San Francisco from Chicago, departing today and this week
30 Jun - 9 Jul
$187pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
30 Jun - 12 Jul
$194pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
30 Jun - 9 Jul
$205pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to San Francisco from Chicago

The cheapest one-way flights from Chicago to San Francisco
12:00 pm - 6:37 pm
American Airlines
1 Stop
8h 37m
ORD - SFO
American Airlines
3:00 am - 10:00 am
Alaska Airlines
1 Stop
9h 00m
ORD - SFO
Alaska Airlines
1:25 pm - 7:42 pm
Delta
1 Stop
8h 17m
ORD - SFO
Delta
$109
Delta

Related info for your journey

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

Flight FAQs

From Chicago to San Francisco

Are flight prices decreasing from Chicago to San Francisco 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 Chicago and San Francisco 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 Chicago to San Francisco to control the spread of COVID-19?

Alaska Airlines is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travelers flying from Chicago to San Francisco 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 Chicago to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Chicago to San Francisco have new flexible policies in place due to COVID-19. United Airlines, American Airlines, and Alaska Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like United Airlines with this kind of flexibility.

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

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Chicago. Booking flights from Chicago to San Francisco (SFO) should be relatively easy as there are 45 daily inbound flights from Chicago from 9 different airlines.

Can I find flights from Chicago to San Francisco for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago to San Francisco for under $200. The cheapest flight booked recently is on Alaska Airlines for just $122, but on average you can expect to pay $154.

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

Cheapflights has at least 20 direct flights from Chicago to San Francisco under $200. A good price for a nonstop flight from Chicago to San Francisco is less than $169.

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

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

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

You can find nonstop flights on the following days: Tuesday, Wednesday, Saturday.

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

On average, you can expect to see 14 flights from Chicago to San Francisco a day.
Morning (6am - Noon) - 21% of flight departures
Afternoon (Noon - 6pm) - 14% of flight departures
Evening (6pm - Midnight) - 64% of flight departures

Is Chicago weather warmer or cooler than San Francisco?

We forecast the temperature to be around the 84 °F's in July, on average. The temperature in San Francisco is generally colder than in Chicago. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Chicago to San Francisco?

Airlines like United Airlines and Alaska Airlines fly from Chicago to San Francisco in about 4h 31m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1851 mi. Generally, flights for this route are nonstop.

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

Flying on Alaska Airlines is currently your cheapest option to San Francisco, with prices starting at $122. Additional round-trip tickets that might be worth considering are offered by Frontier and United Airlines, with the lowest prices starting at $163 and $177, respectively. Alaska Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

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

For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $68. Users have also found prices from $82 and $106 on Alaska Airlines and Frontier, respectively.

Alternative routes for Chicago to San Francisco

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

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Chicago to San Francisco.
Flight duration
4h 29m
Average temperature for June in San Francisco
73.4 °F
Avg rainfall for June in San Francisco
0.0 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing San Francisco

Top 7 airlines flying from Chicago to San Francisco

The chart below displays the airlines Cheapflights users traveling from Chicago to San Francisco 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 $236 No cancel fee 65%
Frontier
$102 $255 No cancel fee 62%
Alaska Airlines
$118 $257 No cancel fee 75%
Sun Country Air
$131 $293 No cancel fee 83%
United Airlines
$138 $337 No cancel fee 69%
American Airlines
$128 $339 No cancel fee 71%
Delta
$127 $350 No cancel fee N/A

Hourly flight availability from Chicago to San Francisco

See what time of day planes typically take off from Chicago towards San Francisco.
Morning 6 AM to noon 42% of CHI to SFO departures
Afternoon Noon to 6 PM 36% of CHI to SFO departures
Evening 6 PM to midnight 21% of CHI to SFO departures
Early morning Midnight to 6 AM 1% of CHI to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Chicago to San Francisco
See how many times per day planes take to the skies headed from Chicago to San Francisco.
Sunday
51 daily flights
Monday
44 daily flights
Tuesday
42 daily flights
Wednesday
41 daily flights
Thursday
39 daily flights
Friday
54 daily flights
Saturday
50 daily flights
Home North America USA California San Francisco Cheap flights from Chicago to San Francisco