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

CHI — SFO
May 30 — Jun 61

The best prices from Chicago to San Francisco are usually found in August or April, booked 33 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from Chicago to San Francisco

All the information you need to plan the best CHI to SFO flight in 2022: 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

Rainfall

0 - 4.4 inches

Popular inDecemberHigh demand for flights, 13% potential price rise
Cheapest inAugustBest time to find cheap flights, 13% potential price drop
Round-trip from$236From Chicago (CHI) to San Francisco
One-way from$159One-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 Saturday 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.

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 afternoon. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Chicago to San Francisco in May, June 2022

The best prices found for CHI to SFO flights for May, June
May 28 - May 31
MDW

Chicago Midway

SFO

San Francisco

1 stop

24h 28m
SFO

San Francisco

MDW

Chicago Midway

1 stop

11h 50m
$360

Frontier

View Deal

Deal found 5/22/22

Jun 28 - Jul 3
MDW

Chicago Midway

SFO

San Francisco

1 stop

15h 31m
SFO

San Francisco

MDW

Chicago Midway

1 stop

6h 43m
$363

Multiple Airlines

View Deal

Deal found 5/24/22

Jun 22 - Jul 6
MDW

Chicago Midway

SFO

San Francisco

1 stop

14h 30m
SFO

San Francisco

MDW

Chicago Midway

1 stop

9h 58m
$365

Frontier

View Deal

Deal found 5/22/22

Chicago to San Francisco 2022 flight deals

Cheap flights to San Francisco from Chicago found for this year
Sep 20 - Sep 22
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

7h 34m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

7h 01m
$255

Multiple Airlines

View Deal

Deal found 5/22/22

Sep 10 - Sep 13
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

8h 00m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

8h 50m
$256

Delta

View Deal

Deal found 5/22/22

Oct 1 - Oct 4
MDW

Chicago Midway

SFO

San Francisco

1 stop

8h 40m
SFO

San Francisco

MDW

Chicago Midway

1 stop

8h 15m
$256

Delta

View Deal

Deal found 5/22/22

Cheap Delta flights from Chicago to San Francisco

Sep 10 - Sep 13
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

8h 00m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

8h 50m
$256

Delta

View Deal

Deal found 5/22/22

Oct 26 - Oct 31
MDW

Chicago Midway

SFO

San Francisco

1 stop

8h 07m
SFO

San Francisco

MDW

Chicago Midway

1 stop

8h 15m
$276

Delta

View Deal

Deal found 5/23/22

Sep 21 - Sep 27
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

9h 39m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

8h 46m
$296

Delta

View Deal

Deal found 5/24/22

  • One of the most popular airlines traveling from Chicago to San Francisco is Delta. Flights from Delta traveling this route typically cost $256.80 RT. This price is typically 100% cheaper than other airlines that offer Chicago to San Francisco flights. When booking this route, the cheapest RT price found was $98. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Chicago to San Francisco, Delta flights are 25% more popular than any other airline flying that same route.

Cheap Frontier flights from Chicago to San Francisco

Aug 16 - Aug 20
MDW

Chicago Midway

SFO

San Francisco

1 stop

16h 30m
SFO

San Francisco

MDW

Chicago Midway

1 stop

10h 30m
$347

Frontier

View Deal

Deal found 5/23/22

Jul 11 - Jul 13
MDW

Chicago Midway

SFO

San Francisco

1 stop

14h 06m
SFO

San Francisco

MDW

Chicago Midway

1 stop

10h 03m
$360

Frontier

View Deal

Deal found 5/24/22

Jun 22 - Jul 6
MDW

Chicago Midway

SFO

San Francisco

1 stop

14h 30m
SFO

San Francisco

MDW

Chicago Midway

1 stop

9h 58m
$365

Frontier

View Deal

Deal found 5/22/22

  • One of the most popular airlines traveling from Chicago to San Francisco is Frontier. Flights from Frontier traveling this route typically cost $367.80 RT. This price is typically 95% cheaper than other airlines that offer Chicago to San Francisco flights. When booking this route, the cheapest RT price found was $169. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to San Francisco. San Francisco Airport is the most popular arrival airport in San Francisco. When flying from Chicago to San Francisco, Frontier flights are 21% more popular than any other airline flying that same route.

Non-stop flights to San Francisco from Chicago

Save time with Chicago to San Francisco direct flight deals
Oct 15 - Oct 23
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 50m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 17m
$310

United Airlines

View Deal

Deal found 5/24/22

Sep 28 - Oct 1
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 47m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 15m
$317

Multiple Airlines

View Deal

Deal found 5/24/22

Sep 8 - Sep 13
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 42m
SFO

San Francisco

ORD

Chicago O'Hare Intl

Nonstop

4h 15m
$318

Alaska Airlines

View Deal

Deal found 5/24/22

Last minute flights from Chicago to San Francisco

Late deals on return flights to San Francisco from Chicago, departing today and this week
May 31 - Jun 7
MDW

Chicago Midway

SFO

San Francisco

1 stop

15h 24m
SFO

San Francisco

MDW

Chicago Midway

1 stop

7h 22m
$367

Frontier

View Deal

Deal found 5/23/22

Jun 2 - Jun 29
MDW

Chicago Midway

SFO

San Francisco

1 stop

18h 13m
SFO

San Francisco

MDW

Chicago Midway

1 stop

19h 36m
$386

Frontier

View Deal

Deal found 5/23/22

Jun 2 - Jun 7
ORD

Chicago O'Hare Intl

SFO

San Francisco

Nonstop

4h 40m
SFO

San Francisco

ORD

Chicago O'Hare Intl

1 stop

12h 41m
$397

Multiple Airlines

View Deal

Deal found 5/24/22

One-way flights to San Francisco from Chicago

The cheapest one-way flights from Chicago to San Francisco
Sep 17
MDW

Chicago Midway

SFO

San Francisco

1 stop

8h 40m
$128

Delta

View Deal

Deal found 5/24/22

Sep 17
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

8h 00m
$128

Delta

View Deal

Deal found 5/24/22

Sep 8
ORD

Chicago O'Hare Intl

SFO

San Francisco

1 stop

21h 52m
$132

Sun Country Air

View Deal

Deal found 5/22/22

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 44 daily inbound flights from Chicago from 11 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 $300 on Cheapflights?

Yes, there are multiple flights from Chicago to San Francisco for under $300. The cheapest flight booked recently is on Multiple Airlines for just $255, but on average you can expect to pay $270.

Are there nonstop flights from Chicago to San Francisco for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to San Francisco under $400. A good price for a nonstop flight from Chicago to San Francisco is less than $336.

Are there last-minute flights available from Chicago to San Francisco for under $400?

There are currently 20+ open flights from Chicago to San Francisco within the next 7 days for less than $400.

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

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

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

On average, you can expect to see 70 flights from Chicago to San Francisco a day.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 36% of flight departures
Evening (6pm - Midnight) - 31% of flight departures

How long is the flight from Chicago to San Francisco?

Departing from Chicago to San Francisco will take you 8h. Chicago and San Francisco are separated by a distance of 1851 mi. This flight may include one or multiple stops.

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

Flying on Delta is currently your cheapest option to San Francisco, with prices starting at $256. Another option worth looking into is Sun Country Air, starting at $258 round trip. Users have found that Delta is 5% cheaper than the other options available to this destination.

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

$128 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Sun Country Air and Alaska Airlines, with prices starting from $132 and $145, respectively.

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 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 (85%), Azul (84%), Royal Jordanian( 82%).

What are the cheapest flights from Chicago to San Francisco?

While on average a flight from Chicago to San Francisco is generally $1,368, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay $256 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 5 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$10Average$19FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$82Average$266FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Alaska AirlinesCheapest$98Average$257FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
American AirlinesCheapest$98Average$363FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
FrontierCheapest$107Average$280FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier 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
32%of flight departuresMorning6 am to noon
56%of flight departuresAfternoonNoon to 6 pm
11%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
Sunday37daily flights
Monday54daily flights
Tuesday48daily flights
Wednesday59daily flights
Thursday40daily flights
Friday40daily flights
Saturday32daily flights