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O'Hare Intl

$121+ Cheap flights from San Francisco Bay Area to O'Hare Intl (ORD)

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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ORD
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from San Francisco Bay Area to O'Hare Intl

Cheapest flights from San Francisco Bay Area to O'Hare Intl
Explore the most affordable flight options available from San Francisco Bay Area to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/312:35 pmSJC - ORD
1 stop9h 15mAlaska Airlines
Tue 12/98:55 amORD - SJC
1 stop7h 37mAlaska Airlines
Deal found 11/2$248
This KAYAK deal was found by Cheapflights users on 11/3. 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 12/410:28 amSJC - ORD
1 stop7h 26mAlaska Airlines
Tue 12/98:55 amORD - SJC
1 stop7h 37mAlaska Airlines
Deal found 11/3$250
This Vliegwinkel deal was found by Cheapflights users on 11/3. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:55 amSJC - ORD
1 stop17h 10mMultiple Airlines
Wed 12/108:55 amORD - SJC
1 stop7h 37mMultiple Airlines
Deal found 11/3$256
This KAYAK deal was found by Cheapflights users on 11/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:35 pmSJC - ORD
1 stop9h 15mAlaska Airlines
Tue 12/168:00 amORD - SJC
1 stop9h 54mAlaska Airlines
Deal found 11/2$258
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/1110:28 amSJC - ORD
1 stop7h 26mAlaska Airlines
Tue 12/168:59 pmORD - SJC
1 stop16h 59mAlaska Airlines
Deal found 11/2$270
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/33:09 pmSJC - ORD
1 stop6h 41mAlaska Airlines
Mon 12/88:55 amORD - SJC
1 stop29h 03mAlaska Airlines
Deal found 11/3$273
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Sun 12/217:48 pmSJC - ORD
1 stop8h 17mMultiple Airlines
Wed 12/247:44 pmORD - SJC
1 stop20h 48mMultiple Airlines
Deal found 11/2$275
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 11/2512:42 pmSJC - ORD
1 stop10h 17mMultiple Airlines
Sat 12/69:06 pmORD - SJC
1 stop19h 26mMultiple Airlines
Deal found 11/2$276
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Wed 12/312:35 pmSJC - ORD
1 stop9h 15mAlaska Airlines
Sun 12/78:59 pmORD - SJC
1 stop14h 52mAlaska Airlines
Deal found 11/2$280
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:24 amSFO - ORD
1 stop15h 48mMultiple Airlines
Tue 12/307:44 pmORD - SFO
1 stop26h 46mMultiple Airlines
Deal found 11/1$282
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/410:28 amSJC - ORD
1 stop7h 26mAlaska Airlines
Mon 12/88:59 pmORD - SJC
1 stop16h 59mAlaska Airlines
Deal found 11/2$283
This Kiwi.com deal was found by Cheapflights users on 11/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amSFO - ORD
1 stop9h 30mFrontier
Mon 11/246:25 pmORD - SFO
2 stops21h 36mFrontier
Deal found 11/1$283

Cheap flight deals from San Francisco Bay Area to O'Hare Intl

Keep the following information in mind while searching for San Francisco Bay Area to O'Hare Intl flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$248
(Alaska Airlines)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$390
Provider with most accurate pricing for San Francisco-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Chicago (CHI) flights.
Search Deals
From San Francisco Bay Area to Chicago O'Hare Intl
Search Deals
One-way flight from San Francisco Bay Area to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to O'Hare Intl 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 November 3, 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Chicago O'Hare Intl Airport that are best for you.

Fly from

San Francisco Bay Area

Fly to

O'Hare Intl

Route

Depart

Return

Price

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 1/14

2:30 pm-11:37 pm

1 stop7h 07m

Chicago O'Hare Intl

Tue 1/27

9:00 am-7:18 pm

1 stop12h 18m

$262

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 1/17

9:38 am-2:29 pm

1 stop26h 51m

Chicago O'Hare Intl

Tue 1/27

9:00 am-7:18 pm

1 stop12h 18m

$272

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Wed 1/14

2:30 pm-11:37 pm

1 stop7h 07m

Chicago O'Hare Intl

Fri 1/30

3:49 pm-2:29 pm

1 stop24h 40m

$272

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 1/17

9:38 am-2:29 pm

1 stop26h 51m

Chicago O'Hare Intl

Mon 1/26

3:49 pm-7:18 pm

1 stop29h 29m

$283

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 1/26

2:30 pm-11:50 pm

1 stop7h 20m

Chicago O'Hare Intl

Fri 1/30

8:00 am-2:00 pm

1 stop8h 00m

$283

OaklandChicago

OAK - ORD

OAKORD

Oakland

Wed 1/14

11:08 am-11:55 pm

1 stop10h 47m

Chicago O'Hare Intl

Thu 1/29

6:06 pm-8:40 pm

1 stop28h 34m

$283

OaklandChicago

OAK - ORD

OAKORD

Oakland

Wed 1/14

11:08 am-11:55 pm

1 stop10h 47m

Chicago O'Hare Intl

Fri 1/30

6:06 pm-4:28 pm

1 stop24h 22m

$283

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Thu 1/15

9:38 am-2:29 pm

1 stop26h 51m

Chicago O'Hare Intl

Tue 1/27

9:00 am-7:18 pm

1 stop12h 18m

$287

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Mon 3/9

6:58 am-11:10 pm

1 stop14h 12m

Chicago O'Hare Intl

Tue 3/10

9:00 am-10:46 pm

1 stop15h 46m

$287

Santa RosaChicago

STS - ORD

STSORD

Santa Rosa Sonoma County

Sat 1/17

9:38 am-2:29 pm

1 stop26h 51m

Chicago O'Hare Intl

Wed 1/28

3:49 pm-2:29 pm

1 stop24h 40m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco Bay Area to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

What is the cheapest month to book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport?

Currently, December is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $111). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $203). 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 ORD?

Find hourly flight availability from San Francisco Bay Area to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco Bay Area to Chicago O'Hare Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from San Francisco Bay Area to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to O'Hare Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco Bay Area to Chicago O'Hare Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday afternoons 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 O'Hare Intl Airport

Explore weekly flight availability from San Francisco Bay Area to O'Hare Intl. 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 November 3, 2025.

The most flights from zzXIH to ORD are scheduled on a Sunday (67 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated November 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and United Airlines from San Francisco Bay Area to Chicago O'Hare Intl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
11,235 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
4,238 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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
8,997 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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.
American Airlines
7.2
Good
11,036 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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.
Frontier
5.8
Fair
3,117 reviews
Alaska Airlines
8.0
Very good
11,235 reviews

Entertainment

7.0

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

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 San Francisco Bay Area to O'Hare Intl. 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 O'Hare Intl Airport?

    For as low as $297, Alaska Airlines can have you in Chicago O'Hare Intl Airport from San Francisco Bay Area in 4h 20m. Airlines will cover a distance of 1841 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from San Francisco Bay Area to Chicago O'Hare Intl Airport?

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

  • What are the most reliable airlines from San Francisco Bay Area to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Francisco Bay Area to Chicago O'Hare Intl Airport on time: China Southern (100%), Fiji Airways (92%), Asiana Airlines (91%).

  • What are the cheapest flights from San Francisco Bay Area to Chicago O'Hare Intl Airport?

    The cheapest flight price from San Francisco Bay Area to Chicago O'Hare Intl Airport is $130. On average you can expect to pay $1,006. The most popular route, (San Francisco - Chicago O'Hare Intl), can usually be booked for $142.

  • Can I find deals for flights from San Francisco Bay Area to O'Hare Intl that include hotel bookings?

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

  • How can I find direct flights from San Francisco Bay Area to O'Hare Intl?

    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 O'Hare Intl.

  • Can I find deals for business class flights from San Francisco Bay Area to O'Hare Intl?

    Yes. Cheapflights offers flight deals from San Francisco Bay Area to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from San Francisco Bay Area to Chicago O'Hare Intl Airport (average of $111). Flying from San Francisco Bay Area to Chicago O'Hare Intl Airport in November is currently the most expensive (average of $203). 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 O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Elgin
Oak Brook
Elk Grove Village
Naperville
Racine
Downers Grove
Rockford
Orland Park
Merrillville
Bridgeview
Warrenville
Waukegan
Aurora

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Alternative routes for San Francisco Bay Area to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Palm Springs to Midway flights
Reno to Midway flights
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Las Vegas to Rockford flights
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Medford to Midway flights
Burbank to Rockford flights
San Diego to Rockford flights
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Top 8 airlines flying from San Francisco Bay Area to O'Hare Intl

Discover the top 8 airlines that operate flights from San Francisco Bay Area to O'Hare Intl. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$251FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$108Average$240FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$108Average$288FlexibilityNo cancel feeOn-time85%
DeltaCheapest$128Average$340FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$163Average$411FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$170Average$384FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$185Average$386FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$197Average$453FlexibilityNo cancel feeOn-time71%

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