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$74+ Cheap flights from Chicago (CHI) to San Francisco Bay Area

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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Chicago to San Francisco Bay Area

Keep the following information in mind while searching for Chicago to San Francisco Bay Area flight deals. Data was last updated June 16, 2025.

Round-trip from

$162
(KAYAK)

One-way from

$74
(Flightnetwork)

Popular in

December

Cheapest in

September

Average price

$327
From Chicago (CHI) to San Francisco Bay Area
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One-way flight from Chicago (CHI) to San Francisco Bay Area
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Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Chicago to San Francisco Bay Area

Cheapest flights from Chicago to San Francisco Bay Area
Explore the most affordable flight options available from Chicago to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/177:08 amORD - OAK
1 stop6h 39mSpirit Airlines
Tue 7/226:00 amOAK - ORD
1 stop6h 13mSpirit Airlines
Deal found 6/14$162
This Southwest deal was found by Cheapflights users on 6/15. 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 8/303:10 pmORD - OAK
1 stop7h 35mSouthwest
Mon 9/11:45 pmOAK - ORD
1 stop7h 55mSouthwest
Deal found 6/15$199
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/101:39 pmORD - SFO
1 stop8h 00mFrontier
Fri 7/118:53 pmSFO - ORD
1 stop9h 14mFrontier
Deal found 6/16$202
This Southwest deal was found by Cheapflights users on 6/13. 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 9/279:50 amMDW - SFO
2 stops10h 30mSouthwest
Sat 10/410:55 amSFO - MDW
1 stop7h 50mSouthwest
Deal found 6/13$204
This Southwest deal was found by Cheapflights users on 6/16. 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 7/15:25 pmORD - SFO
1 stop7h 45mSouthwest
Sat 7/59:00 pmSFO - ORD
1 stop12h 50mSouthwest
Deal found 6/16$204
This Mytrip deal was found by Cheapflights users on 6/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:25 amMDW - SFO
1 stop16h 56mFrontier
Tue 7/810:03 pmSFO - MDW
1 stop10h 37mFrontier
Deal found 6/14$206
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:43 pmORD - SFO
Nonstop4h 37mAmerican Airlines
Wed 10/2210:16 amSFO - ORD
Nonstop4h 25mAmerican Airlines
Deal found 6/14$209
This Orbitz deal was found by Cheapflights users on 6/14. 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.
Fri 7/117:18 pmORD - SFO
Nonstop4h 48mMultiple Airlines
Sun 7/1311:30 pmSFO - ORD
1 stop10h 07mMultiple Airlines
Deal found 6/14$214
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Fri 8/87:18 pmORD - SFO
Nonstop4h 48mAlaska Airlines
Mon 8/1111:55 amSFO - ORD
Nonstop4h 23mAlaska Airlines
Deal found 6/16$217
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 9/301:01 pmORD - SFO
1 stop8h 18mHawaiian Airlines
Mon 10/67:43 pmSFO - ORD
1 stop8h 38mHawaiian Airlines
Deal found 6/16$229
This Southwest deal was found by Cheapflights users on 6/14. 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.
Fri 7/45:35 amMDW - OAK
1 stop6h 00mSouthwest
Sat 7/126:15 amOAK - MDW
Nonstop4h 10mSouthwest
Deal found 6/14$238
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/249:40 pmORD - SFO
Nonstop4h 50mUnited Airlines
Sun 7/2711:25 pmSFO - ORD
Nonstop4h 14mUnited Airlines
Deal found 6/16$246

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to San Francisco Bay Area 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 June 16, 2025.
Use the filters below to find and compare flights from Chicago to San Francisco Bay Area that are best for you.

Fly from

Chicago

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Thu 7/17

7:08 am-11:47 am

1 stop6h 39m

Oakland

Tue 7/22

6:00 am-2:13 pm

1 stop6h 13m

$162

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Sat 8/30

3:10 pm-8:45 pm

1 stop7h 35m

Oakland

Mon 9/1

1:45 pm-11:40 pm

1 stop7h 55m

$199

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 7/10

1:39 pm-7:39 pm

1 stop8h 00m

San Francisco

Fri 7/11

8:53 pm-8:07 am

1 stop9h 14m

$202

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 7/1

5:25 pm-11:10 pm

1 stop7h 45m

San Francisco

Sat 7/5

9:00 pm-11:50 am

1 stop12h 50m

$204

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Mon 6/30

6:25 am-9:21 pm

1 stop16h 56m

San Francisco

Tue 7/8

10:03 pm-10:40 am

1 stop10h 37m

$206

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Sat 9/6

9:45 am-6:20 pm

2 stops10h 35m

San Francisco

Sat 9/13

6:50 am-6:25 pm

1 stop9h 35m

$209

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 7/11

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

Sun 7/13

11:30 pm-11:37 am

1 stop10h 07m

$214

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 8/8

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

Mon 8/11

11:55 am-6:18 pm

Nonstop4h 23m

$217

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 7/1

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

Tue 7/15

11:55 am-6:18 pm

Nonstop4h 23m

$218

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 7/1

6:45 am-9:23 am

Nonstop4h 38m

San Francisco

Fri 7/4

2:40 pm-9:01 pm

Nonstop4h 21m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Chicago 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 Chicago to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Chicago to San Francisco Bay Area (average of $276). Flying from Chicago to San Francisco Bay Area in June is currently the most expensive (average of $362). 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 CHI to XIH?

Find hourly flight availability from Chicago to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to San Francisco Bay Area as you normally would.

Weekly flight availability from Chicago to San Francisco Bay Area

Explore weekly flight availability from Chicago to San Francisco Bay Area. 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 June 16, 2025.

The most flights from CHI to zzXIH are scheduled on a Monday (94 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (76 on average).

Rainfall in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.

Temperature in San Francisco Bay Area by month

Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated June 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Chicago to San Francisco Bay Area by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,501 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from Chicago to San Francisco Bay Area are Spirit Airlines ($74), Southwest ($90), and Frontier ($100).

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

    When deciding which route to take from Chicago to San Francisco Bay Area consider Chicago O'Hare Intl - San Francisco, Chicago Midway - San Francisco or Chicago O'Hare Intl - Oakland as they are the most popular.

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

    Consider Alaska Airlines (93%), Air China (89%) or ANA (89%) when booking your flight. These represent the most reliable airlines when flying from Chicago to San Francisco Bay Area.

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

    Looking for the cheapest flight from Chicago to San Francisco Bay Area? While on average our users pay $861, our data indicates the cheapest price to be $98. The most popular route (Chicago O'Hare Intl - San Francisco), is priced around $188.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chicago to San Francisco Bay Area 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 Chicago to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Chicago to San Francisco Bay Area (average of $276). Flying from Chicago to San Francisco Bay Area in June is currently the most expensive (average of $362). 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

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Alternative routes for Chicago to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Chicago to San Francisco Bay Area

Discover the top 8 airlines that operate flights from Chicago to San Francisco Bay Area. 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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$61Average$241FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$226FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$127Average$243FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$387FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$171Average$323FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$179Average$392FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$197Average$465FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$433FlexibilityNo cancel feeOn-time63%

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