Find cheap flights from Chicago to San Francisco

CHI - SFO

Find cheap flights from Chicago to San Francisco

Round-trip
Economy
Chicago (CHI)
San Francisco
Fri 8/7
Fri 8/14
Any month
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Good to know

Low season

February Best time to beat the crowds with an average 18% drop in price.

High season

July Most popular time to fly with an average 11% increase in price.

Average price of a round-trip

$287 (avg. price over the last 2 weeks)

Good deal for a round-trip

$276 or less

When to book flights from Chicago to San Francisco

Estimated round-trip price
Average price per month
Flight prices as travel date approaches
-1 day
-2 days

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $188 or less.
  • The cheapest flight from Chicago to San Francisco was found 33 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be June, July and August. The cheapest month to fly is February.
  • Morning departure is around 6% cheaper than an evening flight, on average*.
  • Flights from Chicago to San Francisco usually depart either from Chicago O’Hare International Airport or from Chicago Midway Airport. Although the former is larger and more popular than the latter, it is also furthest away from downtown Chicago, located as it is just 17.5 miles northwest of the city. Though less often used, Chicago Midway Airport is only 10.8 miles south of the city center.
  • If you are flying from Chicago O’Hare International Airport and you are traveling with children, head to Terminal 2, where you can find the children’s play area. Fun and colorful, Kids On The Fly is an aviation-themed playground that has been voted “Most Awesome Airport Play Area”.
  • If San Francisco is just one leg of your trip and you are worried about what to do on your stopover there, don’t! San Francisco International Airport is simply full of things to do: hit the shops for some retail therapy, enjoy the local cuisine at the dozens of cafés scattered throughout the airport, or learn something new at the Aviation Museum or at the various exhibits on art & culture, history, and science organized in the various terminals.
  • If your flight from Chicago to San Francisco has arrived late and you don’t want to travel into the city at night, why not sleep at the airport? Located inside the International Terminal, FreshenUp offers travelers a small number of basic yet comfortable ensuite rooms; alternatively, if you don’t find place there, there are a number of hotels located just minutes from the airport, many of them offering shuttle services to their guests.
  • Once you get to San Francisco Airport, to get downtown you can use the city’s rich transportation network, which includes a number of bus lines and Amtrak connections running between the airport and various important locations within the city multiple times a day.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking Chicago to San Francisco flights

Which airlines have a flexible cancellation policy for flights from Chicago to San Francisco due to COVID-19?

Which airlines apply social distancing measures on flights from Chicago to San Francisco due to COVID-19?

How long does a flight from Chicago to San Francisco take?

How many flights are there between Chicago and San Francisco?

Which airlines provide the cheapest flights from Chicago to San Francisco?

Do I need a passport to fly between Chicago and San Francisco?

Which airlines fly most frequently between Chicago and San Francisco?

What’s the cheapest day of the week to fly Chicago to San Francisco?

Which airports will I be using when flying from Chicago to San Francisco?

Can I fly from Chicago to San Francisco non-stop?

How do I get from downtown Chicago to O’Hare International Airport?

Are there on-site hotels at Chicago Midway Airport?

What is there to do in O’Hare International Airport?

How does KAYAK find such low prices on flights from Chicago to San Francisco?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to San Francisco?

What is the Hacker Fare option on flights from Chicago to San Francisco?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to San Francisco?

Top 4 airlines serving Chicago to San Francisco

Scores according to KAYAK customer reviews

8.0
Delta
Overall score based on 28,502 reviews
8.2
Boarding
7.8
Comfort
8.5
Crew
7.8
Entertainment
7.5
Food
Airline reviews
Read more about Delta

Book cheap flights from Chicago to San Francisco

Recent round-trip flight deals

8/2
Sun
1 stop
Multiple Airlines
13h 08m
ORD - SFO
8/20
Thu
1 stop
Multiple Airlines
8h 26m
SFO - ORD
8/19
Wed
nonstop
Allegiant Air
4h 39m
ORD - SFO
8/26
Wed
nonstop
Allegiant Air
4h 22m
SFO - ORD
9/9
Wed
1 stop
Delta
7h 02m
MDW - SFO
9/17
Thu
1 stop
Delta
6h 02m
SFO - MDW
7/31
Fri
1 stop
Multiple Airlines
18h 03m
ORD - SFO
8/2
Sun
1 stop
Multiple Airlines
19h 28m
SFO - ORD
7/31
Fri
1 stop
Multiple Airlines
18h 03m
ORD - SFO
8/2
Sun
1 stop
Multiple Airlines
19h 28m
SFO - ORD
8/3
Mon
1 stop
Multiple Airlines
11h 04m
ORD - SFO
8/7
Fri
1 stop
Multiple Airlines
19h 28m
SFO - ORD
8/15
Sat
1 stop
Multiple Airlines
13h 49m
ORD - SFO
8/21
Fri
1 stop
Multiple Airlines
9h 03m
SFO - ORD
7/23
Thu
1 stop
Multiple Airlines
10h 50m
ORD - SFO
7/27
Mon
1 stop
Multiple Airlines
18h 33m
SFO - ORD
8/1
Sat
1 stop
Multiple Airlines
13h 21m
ORD - SFO
8/17
Mon
1 stop
Multiple Airlines
19h 28m
SFO - ORD
9/27
Sun
1 stop
Delta
7h 22m
MDW - SFO
10/1
Thu
1 stop
Delta
7h 19m
SFO - MDW
7/29
Wed
1 stop
Multiple Airlines
28h 27m
ORD - SFO
8/2
Sun
1 stop
Multiple Airlines
19h 28m
SFO - ORD
7/30
Thu
1 stop
Multiple Airlines
13h 27m
ORD - SFO
8/2
Sun
1 stop
Multiple Airlines
19h 28m
SFO - ORD
12/2
Wed
1 stop
Delta
8h 32m
MDW - SFO
12/5
Sat
1 stop
Delta
6h 29m
SFO - MDW
8/3
Mon
1 stop
Multiple Airlines
11h 04m
ORD - SFO
8/17
Mon
1 stop
Multiple Airlines
19h 28m
SFO - ORD
10/7
Wed
1 stop
Delta
7h 43m
MDW - SFO
10/12
Mon
1 stop
Delta
10h 07m
SFO - MDW
7/31
Fri
2 stops
Multiple Airlines
25h 56m
ORD - SFO
8/10
Mon
1 stop
Multiple Airlines
18h 35m
SFO - ORD
10/8
Thu
1 stop
Delta
9h 23m
MDW - SFO
10/12
Mon
1 stop
Delta
10h 07m
SFO - MDW
8/4
Tue
1 stop
Multiple Airlines
27h 30m
ORD - SFO
8/11
Tue
1 stop
Multiple Airlines
11h 40m
SFO - ORD
10/1
Thu
1 stop
Delta
9h 23m
MDW - SFO
10/5
Mon
1 stop
Delta
9h 39m
SFO - MDW
Show more results

Recent one-way flight deals

8/15
Sat
1 stop
Multiple Airlines
13h 49m
ORD - SFO
8/1
Sat
1 stop
Allegiant Air
9h 40m
ORD - SFO
9/13
Sun
nonstop
Spirit Airlines
4h 34m
ORD - SFO
9/13
Sun
1 stop
Cape Air
9h 57m
ORD - SFO
7/26
Sun
1 stop
Multiple Airlines
13h 27m
ORD - SFO
7/25
Sat
1 stop
Multiple Airlines
13h 27m
ORD - SFO
7/26
Sun
1 stop
Multiple Airlines
13h 27m
ORD - SFO
7/27
Mon
1 stop
Multiple Airlines
11h 25m
ORD - SFO
8/15
Sat
1 stop
Multiple Airlines
13h 49m
ORD - SFO
7/25
Sat
2 stops
Multiple Airlines
21h 20m
ORD - SFO
9/13
Sun
1 stop
Spirit Airlines
7h 59m
MDW - SFO
7/23
Thu
1 stop
Multiple Airlines
13h 27m
ORD - SFO
7/31
Fri
2 stops
Multiple Airlines
25h 56m
ORD - SFO
8/17
Mon
1 stop
Multiple Airlines
17h 01m
ORD - SFO
7/26
Sun
1 stop
Multiple Airlines
13h 27m
ORD - SFO
8/10
Mon
1 stop
Multiple Airlines
17h 01m
ORD - SFO
8/19
Wed
2 stops
Multiple Airlines
25h 09m
ORD - SFO
8/9
Sun
2 stops
Multiple Airlines
23h 24m
ORD - SFO
8/12
Wed
2 stops
Multiple Airlines
25h 09m
ORD - SFO
7/25
Sat
2 stops
Multiple Airlines
21h 20m
ORD - SFO
Show more results
*
Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an and someone from our team will get back to you promptly.

^
The fares displayed include all taxes and fees for economy class travel and were found by the provider in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
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