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

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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
51.8 - 62.6 °F
SFO
Precipitation
0 - 4.4 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 (CHI) to San Francisco

One-way from

$85

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

Flights from Chicago to San Francisco lean towards being more expensive in December. Prices are generally better when you fly from Chicago to San Francisco in August, with the cheapest ticket starting at $143.

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

It’s optimal to fly from Chicago to San Francisco in the evening. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight in the morning.

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

Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to San Francisco. Check prices with Cheapflights to find a great deal for your trip.

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

Travelers have found it’s best to book a flight 32 days in advance to save up to 60% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 32 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to San Francisco 1-2 weeks in advance for as low as $362, or $460 for flights within the next 24 hours.

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

The best prices found for CHI to SFO flights for October, November
30 Oct - 2 Nov
$116pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 3 Nov
$123pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 9 Nov
$124pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
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
30 Oct - 2 Nov
$116pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
4 Dec - 10 Dec
$123pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
2 Nov - 9 Nov
$124pp
ORD
Chicago O'Hare Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

Non-stop flights to San Francisco from Chicago

Save time with Chicago to San Francisco direct flight deals
15 Dec - 5 Jan
$170pp
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
11 Nov - 15 Nov
$172pp
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
Non-Stop
ORD
Chicago O'Hare Intl
14 Dec - 8 Jan
$174pp
ORD
Chicago O'Hare Intl
Major Airline
Non-Stop
SFO
San Francisco
SFO
San Francisco
Major Airline
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 Oct - 2 Nov
$116pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
27 Oct - 3 Nov
$123pp
ORD
Chicago O'Hare Intl
Frontier
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
30 Oct - 2 Nov
$128pp
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
8:35 am - 4:03 pm
Multiple Airlines
1 Stop
9h 28m
ORD - SFO
Multiple Airlines
$85
Kiwi.com
11:00 am - 1:45 pm
Alaska Airlines
Nonstop
4h 45m
ORD - SFO
Alaska Airlines
4:00 pm - 2:47 am
Frontier
1 Stop
12h 47m
ORD - SFO
Frontier
$91
Kiwi.com

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

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 51 daily inbound flights from Chicago from 9 different airlines.

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.

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 Frontier for just $123, but on average you can expect to pay $135.

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 $190.

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?

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

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

On average, you can expect to see 48 flights from Chicago to San Francisco a day.
Morning (6am - Noon) - 46% of flight departures
Afternoon (Noon - 6pm) - 40% of flight departures
Evening (6pm - Midnight) - 15% of flight departures

How long is the flight from Chicago to San Francisco?

Departing from Chicago to San Francisco will take you 7h 10m. Chicago and San Francisco are separated by a distance of 1851 mi.

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

Flying on Frontier is currently your cheapest option to San Francisco, with prices starting at $123. Users have found that Frontier is 54% cheaper than the other options available to this destination.

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

When booking a flight from Chicago to San Francisco, you may want to consider flying on Major Airline, American Airlines or Alaska Airlines as they are the most popular for this route.

What are the cheapest flights from Chicago to San Francisco?

While on average a flight from Chicago to San Francisco is generally $601, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay $123 for that flight.

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

Before booking your flight to San Francisco from Chicago, check out the most reliable airlines to get you to your destination on time: ANA (94%), Royal Jordanian (91%), Alaska Airlines( 87%).

How long is the flight from Chicago to San Francisco?

Flights times from Chicago to San Francisco usually range from four hours and 15 minutes to four and a half hours. If you have a connection in another city, total travel time may be upwards of six hours.

Which airlines operate flights from Chicago to San Francisco?

American Airlines, United, Virgin America and Alaska Airlines all offer non-stop service from Chicago O'Hare International Airport, and you can find direct flights from Midway International Airport through Southwest Airlines.

How frequent are flights between Chicago and San Francisco?

Upwards of 20 direct flights to San Francisco leave from Chicago O'Hare per day, with planes departing every hour or so. From Midway, You can choose from around 3 flights leaving each day.

Which airports serve Chicago and San Francisco?

Chicago O'Hare International Airport is the largest and busiest airport in the Chicago metro area as well as a major U.S. travel hub, offering daily flights to San Francisco through multiple airlines. Chicago Midway International Airport is a smaller airport that also offers a few flights to the Bay Area, though you have a smaller selection of flight times and prices. When your plane lands in San Francisco, you find yourself in San Francisco International Airport, the area's major airport located a few miles south of the central city area.

Which direct flight route between Chicago and San Francisco is cheapest?

Find the lowest prices on direct flights running from Chicago O'Hare International Airport to San Francisco International Airport. You can also occasionally snag a great deal taking off from Midway International Airport, so be sure to keep your options open while searching. The moment you leave the Windy City behind and step onto the hilly streets San Francisco, the historic Bay Area instantly transports you to a world of cable cars and charming wharfs. Trade the trains of Chicago for the ferries and whale-watching bay cruises of this California city, and enjoy milder winter months with temperatures hovering in the 60's F. Before saying goodbye to the Golden Gate Bridge, don't forget to tour Alcatraz Island and enjoy the catch of the day at one of the bay-side seafood shacks. The Golden Gate Bridge is just a short flight away, so what's stopping you? Try out our smart search engine to find great flight deals and start planning your San Francisco adventure.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

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

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

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

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.

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

Returning to Chicago from San Francisco

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.

Hide COVID Travel Restrictions for San Francisco, CA

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.
Average temperature for October in San Francisco
71.6 °F
Avg rainfall for October in San Francisco
1.2 ″

Airports servicing 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
Frontier
$102 $255 No cancel fee 62%
Spirit Airlines
$103 $236 No cancel fee 65%
Alaska Airlines
$118 $257 No cancel fee 75%
Delta
$127 $350 No cancel fee N/A
American Airlines
$128 $339 No cancel fee 71%
Sun Country Air
$131 $293 No cancel fee 83%
United Airlines
$138 $337 No cancel fee 69%

Hourly flight availability from Chicago to San Francisco

See what time of day planes typically take off from Chicago towards San Francisco.
Afternoon Noon to 6 PM 36% of CHI to SFO departures
Evening 6 PM to midnight 33% of CHI to SFO departures
Morning 6 AM to noon 30% 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
38 daily flights
Monday
64 daily flights
Tuesday
59 daily flights
Wednesday
65 daily flights
Thursday
45 daily flights
Friday
53 daily flights
Saturday
33 daily flights
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