Chicago

$66+ Cheap flights from San Francisco Bay Area to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — CHI
Mar 5 — Mar 121
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Cheap flight deals from San Francisco Bay Area to Chicago

Cheapest flights from San Francisco Bay Area to Chicago
Explore the most affordable flight options available from San Francisco Bay Area to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:23 am
STS
-
ORD
1 stop9h 40m
Alaska Airlines
Thu 5/73:52 pm
ORD
-
STS
1 stop9h 35m
Alaska Airlines
Deal found 2/2$210
This Alaska Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:23 am
STS
-
ORD
1 stop9h 40m
Alaska Airlines
Wed 5/66:00 am
ORD
-
STS
1 stop8h 21m
Alaska Airlines
Deal found 2/2$217
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:40 am
OAK
-
MDW
Nonstop4h 00m
Southwest
Sat 3/149:40 pm
MDW
-
OAK
Nonstop4h 40m
Southwest
Deal found 2/2$217
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:57 pm
SJC
-
ORD
1 stop8h 34m
Multiple Airlines
Sun 5/109:18 pm
ORD
-
SJC
1 stop22h 44m
Multiple Airlines
Deal found 2/2$217
This SmartFares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:15 am
OAK
-
ORD
1 stop8h 18m
Alaska Airlines
Sat 3/75:29 pm
ORD
-
OAK
1 stop8h 25m
Alaska Airlines
Deal found 2/2$217
This Orbitz deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:57 pm
SJC
-
ORD
1 stop9h 50m
Multiple Airlines
Tue 4/283:52 pm
ORD
-
SJC
1 stop19h 52m
Multiple Airlines
Deal found 2/2$218
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:00 pm
OAK
-
ORD
1 stop6h 55m
Southwest
Sat 4/184:15 pm
ORD
-
OAK
1 stop6h 45m
Southwest
Deal found 2/1$218
This Alaska Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:18 pm
OAK
-
ORD
1 stop25h 45m
Alaska Airlines
Thu 4/303:52 pm
ORD
-
OAK
1 stop8h 31m
Alaska Airlines
Deal found 2/1$220
This Expedia deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:02 pm
SJC
-
ORD
1 stop7h 47m
Multiple Airlines
Thu 3/127:40 am
ORD
-
SJC
1 stop8h 36m
Multiple Airlines
Deal found 2/2$221
This Alaska Airlines deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/87:00 am
STS
-
ORD
1 stop10h 02m
Alaska Airlines
Wed 4/154:10 pm
ORD
-
STS
1 stop9h 03m
Alaska Airlines
Deal found 1/31$223
This CheapOair deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:00 am
SJC
-
ORD
1 stop14h 59m
Alaska Airlines
Wed 2/258:20 am
ORD
-
SJC
1 stop11h 13m
Alaska Airlines
Deal found 2/1$223
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:41 am
OAK
-
ORD
1 stop10h 22m
Alaska Airlines
Mon 4/277:59 pm
ORD
-
OAK
1 stop16h 18m
Alaska Airlines
Deal found 2/2$223

Find flight deals from San Francisco Bay Area to Chicago

Keep the following information in mind while searching for San Francisco Bay Area to Chicago flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Alaska Airlines)

One-way from

$66
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$297
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
From San Francisco Bay Area to Chicago (CHI)
One-way flight from San Francisco Bay Area to Chicago (CHI)
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Chicago that are best for you.

Fly from

San Francisco Bay Area

Fly to

Chicago

Route

Depart

Return

Price

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 5/2

7:23 am-7:03 pm

1 stop9h 40m

Chicago O'Hare Intl

Wed 5/6

6:00 am-12:21 pm

1 stop8h 21m

$217

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 4/8

7:00 am-7:02 pm

1 stop10h 02m

Chicago O'Hare Intl

Wed 4/15

4:10 pm-11:13 pm

1 stop9h 03m

$223

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 3/23

7:00 am-7:02 pm

1 stop10h 02m

Chicago O'Hare Intl

Tue 4/7

4:10 pm-11:13 pm

1 stop9h 03m

$223

San JoseChicago

SJC - ORD

SJCORD

San Jose

Wed 5/6

10:21 am-7:03 pm

1 stop6h 42m

Chicago O'Hare Intl

Fri 5/8

3:52 pm-10:55 pm

1 stop9h 03m

$223

OaklandChicago

OAK - MDW

OAKMDW

Oakland

Mon 3/2

8:30 pm-5:05 am

1 stop6h 35m

Chicago Midway

Fri 3/6

9:30 pm-12:10 am

Nonstop4h 40m

$227

OaklandChicago

OAK - MDW

OAKMDW

Oakland

Sat 5/2

8:05 am-5:50 pm

1 stop7h 45m

Chicago Midway

Wed 5/6

8:50 pm-11:25 pm

Nonstop4h 35m

$227

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Tue 3/17

7:57 pm-6:39 am

1 stop8h 42m

Chicago O'Hare Intl

Tue 3/31

4:13 pm-11:13 pm

1 stop9h 00m

$230

OaklandChicago

OAK - ORD

OAKORD

Oakland

Sat 5/2

2:09 pm-11:59 pm

1 stop7h 50m

Chicago O'Hare Intl

Sat 5/9

8:50 am-2:38 pm

1 stop7h 48m

$230

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 5/12

2:09 pm-11:59 pm

1 stop7h 50m

Chicago O'Hare Intl

Tue 5/19

9:00 am-2:32 pm

1 stop7h 32m

$230

OaklandChicago

OAK - ORD

OAKORD

Oakland

Sat 4/11

5:55 am-3:18 pm

1 stop7h 23m

Chicago O'Hare Intl

Tue 4/21

7:12 pm-11:54 pm

1 stop6h 42m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Francisco Bay Area with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco Bay Area to Chicago

What is the cheapest month to book a flight from San Francisco Bay Area to Chicago?

Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago (average of $125). Flying from San Francisco Bay Area to Chicago in December is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from XIH to CHI?

Find hourly flight availability from San Francisco Bay Area to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 3, 2026.

It’s optimal to fly from San Francisco Bay Area to Chicago in the afternoon. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Francisco Bay Area to Chicago?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Chicago. Price data was last updated on January 31, 2026.

Travelers seeking maximum savings on their San Francisco Bay Area to Chicago flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco Bay Area to Chicago

Explore weekly flight availability from San Francisco Bay Area to Chicago. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 3, 2026.

The most flights from zzXIH to CHI are scheduled on a Monday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (29 on average).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated February 3, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and United Airlines from San Francisco Bay Area to Chicago have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from San Francisco Bay Area to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from San Francisco Bay Area to Chicago?

    Alaska Airlines, Southwest, and Delta can get you from San Francisco Bay Area to Chicago in just under 6h 35m. Your travel time can differ by up to 3h 05m. There are 1839 mi between San Francisco Bay Area and Chicago. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $60. Frontier flights start at $73 while deals on JetBlue start at $96 one-way.

  • What are the most popular routes from San Francisco Bay Area to Chicago?

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

    No one likes to see their flight delayed. When booking a flight from San Francisco Bay Area to Chicago consider choosing Gulf Air (95%), Iberia (91%) or Austrian Airlines (91%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco Bay Area to Chicago?

    The cheapest flight price from San Francisco Bay Area to Chicago is $108. On average you can expect to pay $1,045. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $179.

  • Can I find deals for flights from San Francisco Bay Area to Chicago that include hotel bookings?

    Yes. In addition to deals on San Francisco Bay Area to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco Bay Area to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco Bay Area to Chicago.

  • Can I find deals for business class flights from San Francisco Bay Area to Chicago?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco Bay Area to Chicago?

    Currently, October is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago (average of $125). Flying from San Francisco Bay Area to Chicago in December is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lansing
Merrillville
Hammond
Porter
Benton Harbor

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco Bay Area to Chicago

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

Top 9 airlines flying from San Francisco Bay Area to Chicago

Discover the top 9 airlines that operate flights from San Francisco Bay Area to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$62Average$241FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$101Average$277FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$108Average$230FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$133Average$422FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$170Average$397FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$185Average$427FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$197Average$443FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$234Average$275FlexibilityNo cancel feeOn-time62%

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