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$65+ Cheap flights from Oakland, CA (OAK) 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — CHI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Oakland to Chicago are usually found in February or July, booked 65 days in advance, depart on a Sunday or Wednesday and return on a Thursday

Cheap flight deals from Oakland to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$152
(Booking.com)

One-way from

$65
(CheapOair)

Popular in

November

Cheapest in

February

Average price

$301

Good round-trip deal

$366 or less

Good one-way deal

$208 or less
From Oakland to Chicago (CHI)
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One-way flight from Oakland to Chicago (CHI)
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Highest demand for flights based on searches. 8% potential increase in price ($34 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 September 2025
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Price to beat on a round-trip flight from Oakland to Chicago (CHI).
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Price to beat on a one-way flight from Oakland to Chicago (CHI).
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Find flight deals from Oakland to Chicago

Cheapest flights from Oakland to Chicago
Explore the most affordable flight options available from Oakland to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:56 amOAK - ORD
2 stops8h 36mSpirit Airlines
Wed 10/111:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 9/10$152
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Tue 9/3011:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 9/9$166
This CheapOair deal was found by Cheapflights users on 9/9. 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 9/236:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Tue 9/3011:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 9/9$176
This Cheapflightsfares deal was found by Cheapflights users on 9/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Wed 10/111:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 9/9$177
This Southwest deal was found by Cheapflights users on 9/9. 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 10/113:25 pmOAK - ORD
1 stop5h 40mSouthwest
Sat 10/187:00 amORD - OAK
1 stop9h 00mSouthwest
Deal found 9/9$185
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Sat 9/276:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Tue 9/3011:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 9/9$188
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 9/1710:56 amOAK - ORD
2 stops32h 36mMultiple Airlines
Mon 9/229:54 pmORD - OAK
1 stop27h 38mMultiple Airlines
Deal found 9/9$189
This Expedia deal was found by Cheapflights users on 9/10. 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.
Thu 9/256:30 amOAK - ORD
1 stop13h 02mMultiple Airlines
Tue 10/76:00 amORD - OAK
1 stop20h 03mMultiple Airlines
Deal found 9/10$190
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 9/309:39 amOAK - ORD
1 stop10h 28mAlaska Airlines
Tue 10/76:00 amORD - OAK
1 stop30h 23mAlaska Airlines
Deal found 9/9$191
This Southwest deal was found by Cheapflights users on 9/10. 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 10/19:40 amOAK - MDW
1 stop7h 25mSouthwest
Sat 10/48:25 amMDW - OAK
1 stop7h 55mSouthwest
Deal found 9/10$211
This Southwest deal was found by Cheapflights users on 9/9. 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.
Mon 10/63:25 pmOAK - MDW
1 stop6h 25mSouthwest
Wed 10/81:50 pmMDW - OAK
1 stop6h 25mSouthwest
Deal found 9/9$214
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 10/23:25 pmOAK - MDW
1 stop6h 25mSouthwest
Wed 10/87:10 amMDW - OAK
1 stop7h 30mSouthwest
Deal found 9/10$221

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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 September 11, 2025.
Use the filters below to find and compare flights from Oakland to Chicago that are best for you.

Fly from

Oakland

Fly to

Chicago

Route

Depart

Return

Price

OaklandChicago

OAK - ORD

OAKORD

Oakland

Wed 10/29

2:49 pm-12:24 am

1 stop7h 35m

Chicago O'Hare Intl

Tue 11/4

8:00 am-1:55 pm

1 stop7h 55m

$191

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 10/28

6:30 am-12:24 am

1 stop15h 54m

Chicago O'Hare Intl

Wed 11/19

8:00 am-11:59 pm

1 stop17h 59m

$191

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 9/30

6:15 am-10:07 pm

1 stop13h 52m

Chicago O'Hare Intl

Sat 10/4

6:00 am-12:03 am

1 stop20h 03m

$205

OaklandChicago

OAK - MDW

OAKMDW

Oakland

Wed 10/1

9:40 am-7:05 pm

1 stop7h 25m

Chicago Midway

Sat 10/4

8:25 am-2:20 pm

1 stop7h 55m

$211

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 11/4

5:40 am-3:25 pm

1 stop7h 45m

Chicago O'Hare Intl

Fri 11/7

4:25 pm-11:00 pm

1 stop8h 35m

$233

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 11/13

6:30 am-12:24 am

1 stop15h 54m

Chicago O'Hare Intl

Mon 11/17

6:00 am-11:59 pm

1 stop19h 59m

$238

OaklandChicago

OAK - ORD

OAKORD

Oakland

Mon 10/20

6:40 am-11:59 pm

1 stop15h 19m

Chicago O'Hare Intl

Sat 10/25

6:00 am-12:03 am

1 stop20h 03m

$250

OaklandChicago

OAK - ORD

OAKORD

Oakland

Tue 11/4

5:40 am-3:25 pm

1 stop7h 45m

Chicago O'Hare Intl

Sat 11/8

7:15 am-12:20 pm

1 stop7h 05m

$252

OaklandChicago

OAK - ORD

OAKORD

Oakland

Mon 10/27

6:30 am-6:22 am

1 stop21h 52m

Chicago O'Hare Intl

Wed 11/19

2:05 pm-11:59 pm

2 stops11h 54m

$253

OaklandChicago

OAK - ORD

OAKORD

Oakland

Thu 10/23

6:40 am-6:24 am

1 stop21h 44m

Chicago O'Hare Intl

Mon 10/27

6:00 am-11:59 pm

1 stop19h 59m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 51 results
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The best insider tips for Oakland to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Oakland to Chicago trip
Airports
OAK

For early flights, BART offers a cost-efficient and fast connection from Oakland to San Francisco, avoiding potential bridge traffic delays.

Read more about OAKby Bill Fink
MDW

The Orange Line train from MDW to downtown Chicago takes less than 30 minutes, offering a convenient and affordable option.

Read more about MDWby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on MDW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Bill Fink

Bill Fink

Expert on OAK

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Best time to book a flight from Oakland to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Oakland 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 Oakland to Chicago

How far ahead should I book a flight from Oakland, California to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Oakland to Chicago. Price data was last updated on August 29, 2025.

The best time to book flights from Oakland, California to Chicago is 64 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 Oakland, California to Chicago?

Currently, August is the cheapest month in which you can book a flight from Oakland, California to Chicago (average of $245). Flying from Oakland, California to Chicago in March is currently the most expensive (average of $321). 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 OAK to CHI?

Find hourly flight availability from Oakland 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 September 11, 2025.

One of the essential ways to save on airfare from Oakland, California to Chicago is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 4% on airfare.

What is the cheapest day to fly from Oakland, California to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Oakland to Chicago. Price data was last updated on September 7, 2025.

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

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 September 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Oakland to Chicago to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

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

  • What airport do you fly from for flights from Oakland to Chicago?

    Located just 7.0 mi from the city center, Oakland is the airport most travelers will use when flying to Chicago from Oakland. Booking flights from Oakland (OAK) to Chicago should be relatively easy as there is 1 daily outbound flight to Chicago from 3 different airlines.

  • How long is the flight from Oakland, California to Chicago?

    For as low as $211, Alaska Airlines can have you in Chicago from Oakland, California in 7h 25m. Airlines will cover a distance of 1839 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Oakland, California to Chicago round-trip?

    Cheapflights users have booked flights from Oakland, California to Chicago round-trip from $108. Other airlines that can offer you cheap pricing are United Airlines, from $163, and Southwest, from $242. Users have found that Spirit Airlines is 69% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Oakland, California to Chicago one-way?

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $83. Users have also found prices from $95 and $95 on Alaska Airlines and Hawaiian Airlines, respectively.

  • What are the most popular routes from Oakland, California to Chicago?

    The most popular flight routes from Oakland, California to Chicago are Oakland - Chicago O'Hare Intl, Oakland - Chicago Midway and Oakland - Chicago Greater Rockford.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland 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 Oakland, California to Chicago?

    Currently, August is the cheapest month in which you can book a flight from Oakland, California to Chicago (average of $245). Flying from Oakland, California to Chicago in March is currently the most expensive (average of $321). 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
Merrillville
Lansing
Hammond
Benton Harbor
Porter
Chesterton

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Alternative routes for Oakland to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Oakland to Chicago

Discover the top 3 airlines that operate flights from Oakland 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$221FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$163Average$287FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$242Average$412FlexibilityNo cancel feeOn-time63%

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