Berkeley

$99+ Cheap flights from Chicago (CHI) to Berkeley, CA

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — SFO
Apr 27 — May 41
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Find cheap flights from Chicago to Berkeley with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Berkeley are usually found in September or February, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap flight deals from Chicago to Berkeley

Keep the following information in mind while searching for Chicago to Berkeley flight deals. Data was last updated April 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$205
(Trip.com)

One-way from

$99
(Frontier)

Popular in

December

Cheapest in

September

Average price

$289
Provider with most accurate pricing for Chicago (CHI)-San Francisco flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-San Francisco flights.
From Chicago (CHI) to Berkeley
One-way flight from Chicago (CHI) to Berkeley
Highest demand for flights based on searches. 7% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Chicago to Berkeley

Cheapest flights from Chicago to Berkeley
Explore the most affordable flight options available from Chicago to Berkeley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Trip.com deal was found by Cheapflights users on 4/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/79:59 amMDW - SFO
1 stop13h 27mFrontier
Mon 6/95:45 amSFO - MDW
1 stop7h 11mFrontier
Deal found 4/21$205
This Kiwi.com deal was found by Cheapflights users on 4/21. 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.
Sat 6/77:59 pmORD - SFO
Nonstop4h 50mHawaiian Airlines
Mon 6/912:33 pmSFO - ORD
Nonstop4h 26mHawaiian Airlines
Deal found 4/21$205
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 6/77:59 pmORD - SFO
Nonstop4h 50mAlaska Airlines
Mon 6/912:33 pmSFO - ORD
Nonstop4h 26mAlaska Airlines
Deal found 4/21$207
This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/77:59 pmORD - SFO
Nonstop4h 50mMultiple Airlines
Mon 6/912:33 pmSFO - ORD
Nonstop4h 26mMultiple Airlines
Deal found 4/22$209
This Frontier deal was found by Cheapflights users on 4/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amORD - SFO
1 stop13h 49mFrontier
Sat 5/316:15 amSFO - ORD
1 stop15h 37mFrontier
Deal found 4/21$210
This Southwest deal was found by Cheapflights users on 4/21. 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.
Wed 7/95:25 pmMDW - SFO
1 stop8h 05mSouthwest
Mon 7/147:15 pmSFO - MDW
1 stop7h 45mSouthwest
Deal found 4/21$226
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Sat 6/144:48 pmORD - SFO
Nonstop4h 50mUnited Airlines
Sat 6/216:40 pmSFO - ORD
Nonstop4h 19mUnited Airlines
Deal found 4/21$232
This American Airlines deal was found by Cheapflights users on 4/22. 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.
Fri 5/239:00 pmORD - SFO
Nonstop4h 49mAmerican Airlines
Sun 5/255:00 amSFO - ORD
Nonstop4h 23mAmerican Airlines
Deal found 4/22$238
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:21 pmMDW - SFO
1 stop6h 18mDelta
Mon 6/1611:43 pmSFO - MDW
1 stop6h 58mDelta
Deal found 4/22$257
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:02 amORD - SFO
1 stop8h 16mDelta
Wed 7/212:49 amSFO - ORD
1 stop5h 36mDelta
Deal found 4/22$257
This Southwest deal was found by Cheapflights users on 4/21. 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.
Wed 6/112:50 pmORD - SFO
2 stops10h 20mSouthwest
Tue 6/1710:45 pmSFO - ORD
1 stop12h 00mSouthwest
Deal found 4/21$277

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago to Berkeley 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 April 22, 2025.
Use the filters below to find and compare flights from Chicago to Berkeley that are best for you.

Fly from

Chicago

Fly to

Berkeley

Route

Depart

Return

Price

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Sat 6/7

9:59 am-9:26 pm

1 stop13h 27m

San Francisco

Mon 6/9

5:45 am-2:56 pm

1 stop7h 11m

$205

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 6/7

7:59 pm-10:49 pm

Nonstop4h 50m

San Francisco

Mon 6/9

12:33 pm-6:59 pm

Nonstop4h 26m

$205

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 6/7

7:59 pm-10:49 pm

Nonstop4h 50m

San Francisco

Mon 6/9

12:33 pm-6:59 pm

Nonstop4h 26m

$207

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 5/3

10:22 am-10:22 pm

1 stop14h 00m

San Francisco

Mon 5/5

11:50 pm-4:41 pm

1 stop14h 51m

$208

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 6/7

6:00 am-12:29 am

1 stop20h 29m

San Francisco

Mon 6/9

12:33 pm-6:59 pm

Nonstop4h 26m

$209

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 5/15

7:55 pm-11:00 pm

Nonstop5h 05m

San Francisco

Sun 5/18

6:45 am-1:03 pm

Nonstop4h 18m

$217

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Wed 7/9

5:25 pm-11:30 pm

1 stop8h 05m

San Francisco

Mon 7/14

7:15 pm-5:00 am

1 stop7h 45m

$226

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 5/23

9:00 pm-11:49 pm

Nonstop4h 49m

San Francisco

Sun 5/25

5:00 am-11:23 am

Nonstop4h 23m

$238

ChicagoSan Francisco

MDW - SFO

MDWSFO

Chicago Midway

Fri 6/13

1:47 pm-9:25 pm

1 stop9h 38m

San Francisco

Mon 6/16

11:59 pm-9:41 am

1 stop7h 42m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 7/9

6:59 pm-11:51 pm

1 stop6h 52m

San Francisco

Sun 7/13

9:30 pm-10:02 am

1 stop10h 32m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 24 results
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Best time to book a flight from Chicago to Berkeley

Have a flexible travel schedule? Discover the best time to fly to Berkeley 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 Berkeley

How far ahead should I book a flight from Chicago to Berkeley?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Berkeley. Price data was last updated on April 18, 2025.

The best time to book flights from Chicago to Berkeley is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago to Berkeley?

Currently, January is the cheapest month in which you can book a flight from Chicago to Berkeley (average of $276). Flying from Chicago to Berkeley in June is currently the most expensive (average of $393). 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 B9R?

Find hourly flight availability from Chicago to Berkeley. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

When flying from Chicago to Berkeley, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Chicago to Berkeley?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Berkeley. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Chicago to Berkeley

Explore weekly flight availability from Chicago to Berkeley. 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 April 22, 2025.

The most flights from CHI to B9R are scheduled on a Tuesday (71 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 on average).

Rainfall in Berkeley by month

Plan your trip to Berkeley by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Berkeley 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 Berkeley when rainfall is around 0.0 in.

Temperature in Berkeley by month

Plan your trip to Berkeley by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Berkeley, 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 Berkeley

Get insights into the airlines that provide service to Berkeley. 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 Berkeley. Reviews last updated April 22, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Chicago to Berkeley by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Chicago to Berkeley. 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 Berkeley one-way?

    The cheapest airlines for a one-way flight from Chicago to Berkeley are Frontier ($99), Southwest ($108), and Hawaiian Airlines ($109).

  • What are the most reliable airlines from Chicago to Berkeley?

    The top 3 most reliable airlines when flying from Chicago to Berkeley are ANA (97%), Air China (94%) and China Southern (89%).

  • What are the cheapest flights from Chicago to Berkeley?

    While on average a flight from Chicago to Berkeley is generally $954, our data shows the cheapest flight currently is $98. When looking at the most popular route, (Chicago O'Hare Intl - San Francisco), you can expect to pay $179 for that flight.

  • Can I find deals for flights from Chicago to Berkeley that include hotel bookings?

    Yes. In addition to deals on Chicago to Berkeley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Berkeley?

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

  • Can I find deals for business class flights from Chicago to Berkeley?

    Yes. Cheapflights offers flight deals from Chicago to Berkeley 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 Berkeley?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Berkeley (average of $276). Flying from Chicago to Berkeley in June is currently the most expensive (average of $393). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Berkeley

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

Top 8 airlines flying from Chicago to Berkeley

Discover the top 8 airlines that operate flights from Chicago to Berkeley. 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$237FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$268FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$393FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$129Average$242FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$140Average$320FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$179Average$395FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$197Average$461FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$247Average$434FlexibilityNo cancel feeOn-time63%

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