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

CHI — SFO
Feb 7 — Feb 141

The best prices from Chicago to San Francisco are usually found in February or January, booked 49 days in advance, depart on a Wednesday or Saturday and return on a Wednesday

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 2023: compare Chicago to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.

CHI - SFO

Price

$257 - $577

SFO

Temperature

51.8 - 62.6 °F

SFO

Rainfall

0 - 4.4 inches

Popular inJulyHigh demand for flights, 30% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 36% potential price drop
Round-trip from$257From Chicago (CHI) to San Francisco
One-way from$54One-way flight from Chicago (CHI) to San Francisco

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 48 days in advance to save up to 53% 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 48 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 $471, or $645 for flights within the next 24 hours.

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

Flights from Chicago to San Francisco lean towards being more expensive in July. Prices are generally better when you fly from Chicago to San Francisco in February, with the cheapest ticket starting at $178.

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 afternoon. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Chicago to San Francisco in February, March 2023

The best prices found for CHI to SFO flights for February, March
Feb 28 - Mar 6
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

12h 03m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$111

Frontier

Pick Dates

Deal found 1/30

Feb 21 - Feb 27
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

20h 59m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$113

Frontier

Pick Dates

Deal found 1/31

Feb 28 - Mar 8
MDW

Chicago Midway

SFO

San Francisco

1 stop

17h 38m
SFO

San Francisco

MDW

Chicago Midway

1 stop

12h 56m
$115

Frontier

Pick Dates

Deal found 1/30

Chicago to San Francisco 2023 flight deals

Cheap flights to San Francisco from Chicago found for this year
Feb 28 - Mar 6
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

12h 03m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$111

Frontier

Pick Dates

Deal found 1/30

Feb 28 - Mar 6
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

12h 03m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$112

Frontier

Pick Dates

Deal found 1/30

Feb 21 - Feb 27
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

20h 59m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$113

Frontier

Pick Dates

Deal found 1/31

Cheap Frontier flights from Chicago to San Francisco

Feb 28 - Mar 6
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

12h 03m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$111

Frontier

Pick Dates

Deal found 1/30

Feb 21 - Feb 27
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

20h 59m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 47m
$113

Frontier

Pick Dates

Deal found 1/31

Feb 28 - Mar 8
MDW

Chicago Midway

SFO

San Francisco

1 stop

17h 38m
SFO

San Francisco

MDW

Chicago Midway

1 stop

12h 56m
$115

Frontier

Pick Dates

Deal found 1/30

Non-stop flights to San Francisco from Chicago

Save time with Chicago to San Francisco direct flight deals
Feb 21 - Feb 22
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 58m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 18m
$212

Alaska Airlines

Pick Dates

Deal found 1/31

Feb 18 - Feb 25
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 55m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 04m
$216

Multiple Airlines

Pick Dates

Deal found 1/31

Feb 18 - Feb 21
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 55m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 12m
$217

Multiple Airlines

Pick Dates

Deal found 1/31

Last minute flights from Chicago to San Francisco

Late deals on return flights to San Francisco from Chicago, departing today and this week
Feb 8 - Feb 22
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

16h 33m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 57m
$127

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 7 - Feb 22
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

16h 40m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

10h 57m
$132

Multiple Airlines

Pick Dates

Deal found 1/30

Feb 7 - Feb 13
MDW

Chicago Midway

SFO

San Francisco

1 stop

12h 18m
SFO

San Francisco

MDW

Chicago Midway

1 stop

25h 06m
$133

Frontier

Pick Dates

Deal found 1/30

One-way flights to San Francisco from Chicago

The cheapest one-way flights from Chicago to San Francisco
Feb 14
MDW

Chicago Midway

SFO

San Francisco

1 stop

21h 14m
$54

Frontier

Pick Dates

Deal found 1/31

Mar 7
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

12h 03m
$54

Frontier

Pick Dates

Deal found 1/31

Feb 28
MDW

Chicago Midway

SFO

San Francisco

1 stop

11h 29m
$56

Frontier

Pick Dates

Deal found 2/2

Reviews of Airlines Servicing San Francisco

Alaska Airlines
8.0
Very good
1,360 reviews

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 10

We paid 540$ Our first flight. 6 hours no meals. Juice was over before it got to our row Our flight back was delayed by 2 hours, 8 hours melas, terrible cold, no banks

Alaska Airlines
8.0
Very good
1,360 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 10

We paid 540$ Our first flight. 6 hours no meals. Juice was over before it got to our row Our flight back was delayed by 2 hours, 8 hours melas, terrible cold, no banks

Frontier
6.1
Okay
538 reviews
Alaska Airlines
8.0
Very good
1,360 reviews

Overall

8.0

Entertainment

7.1

Food

7.2

Boarding

8.2

Crew

8.6

Comfort

8.0

Reviews

1 / 10

We paid 540$ Our first flight. 6 hours no meals. Juice was over before it got to our row Our flight back was delayed by 2 hours, 8 hours melas, terrible cold, no banks

Related info for your journey

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

Dozens of flights are waiting to carry you from the freeways and skyscrapers of Chicago to the fishing piers and historic neighborhoods of San Francisco. A major metropolis along the California coastline, the Bay Area is famous for its maritime atmosphere and architectural marvels such as the Ferry Building Marketplace and the Legion of Honor. Browse direct flights between these two major travel hubs to find a cheap flight to match your travel schedule.

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.

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 43 daily inbound flights from Chicago from 12 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 $111, but on average you can expect to pay $126.

Are there nonstop flights from Chicago to San Francisco for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to San Francisco under $300. A good price for a nonstop flight from Chicago to San Francisco is less than $256.

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, Friday, Saturday.

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

On average, you can expect to see 39 flights from Chicago to San Francisco a day.
Morning (6am - Noon) - 23% of flight departures
Afternoon (Noon - 6pm) - 21% of flight departures
Evening (6pm - Midnight) - 56% of flight departures

How long is the flight from Chicago to San Francisco?

Departing from Chicago to San Francisco will take you 12h 03m. 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 $111. Users have found that Frontier is 72% 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 Undisclosed Carrier, American Airlines or Alaska Airlines as they are the most popular for this route.

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: Fiji Airways (100%), ANA (90%), Lufthansa( 86%).

What are the cheapest flights from Chicago to San Francisco?

While on average a flight from Chicago to San Francisco is generally $639, our data shows the cheapest flight currently is $88. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay $123 for that flight.

Alternative routes for Chicago to San Francisco

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

Top 8 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$129Average$240FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$136Average$324FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Alaska AirlinesCheapest$139Average$337FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$148Average$448FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$169Average$458FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$217Average$461FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
Sun Country AirCheapest$240Average$461FlexibilityNo cancel feeOn-time83%COVID-19 safety
Search Sun Country Air flights

Hourly flight availability from Chicago to San Francisco

See what time of day planes typically take off from Chicago to San Francisco
1%of flight departuresEarly morningMidnight to 6 am
34%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
24%of flight departuresEvening6 pm to midnight
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
Sunday38daily flights
Monday51daily flights
Tuesday48daily flights
Wednesday51daily flights
Thursday43daily flights
Friday48daily flights
Saturday26daily flights
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