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$55+ Cheap flights from O'Hare Intl (ORD) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
Aug 31 — Sep 71
Sun 8/31
Sun 9/7
1 adult, Economy
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Cheap flight deals from O'Hare Intl to San Francisco Bay Area

Keep the following information in mind while searching for O'Hare Intl to San Francisco Bay Area flight deals. Data was last updated August 26, 2025.

Round-trip from

$138
(Kiwi.com)

One-way from

$55
(FlightHub)

Popular in

December

Cheapest in

July

Average price

$328
From Chicago O'Hare Intl to San Francisco Bay Area
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One-way flight from Chicago O'Hare Intl to San Francisco Bay Area
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Highest demand for flights based on searches. 7% potential increase in price ($24 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 August 2025
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Find flight deals from O'Hare Intl to San Francisco Bay Area

Cheapest flights from O'Hare Intl to San Francisco Bay Area
Explore the most affordable flight options available from O'Hare Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/76:00 amORD - SJC
1 stop9h 14mMultiple Airlines
Wed 9/1711:40 amSJC - ORD
1 stop7h 52mMultiple Airlines
Deal found 8/25$138
This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:15 amORD - SJC
1 stop10h 45mSpirit Airlines
Wed 9/1711:40 amSJC - ORD
1 stop7h 52mSpirit Airlines
Deal found 8/25$142
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/911:15 amORD - SJC
1 stop10h 45mSpirit Airlines
Wed 9/1711:40 amSJC - ORD
1 stop7h 52mSpirit Airlines
Deal found 8/25$152
This CheapOair deal was found by Cheapflights users on 8/26. 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 9/911:15 amORD - OAK
1 stop14h 17mSpirit Airlines
Wed 9/1010:56 amOAK - ORD
2 stops8h 36mSpirit Airlines
Deal found 8/26$156
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:35 amORD - SJC
1 stop9h 39mFrontier
Mon 10/612:25 pmSJC - ORD
1 stop9h 34mFrontier
Deal found 8/25$158
This Frontier deal was found by Cheapflights users on 8/25. 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.
Thu 9/116:00 amORD - SJC
1 stop9h 14mFrontier
Mon 9/1512:25 pmSJC - ORD
1 stop9h 34mFrontier
Deal found 8/25$160
This Cheapflightsfares deal was found by Cheapflights users on 8/24. 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.
Wed 9/109:00 amORD - OAK
1 stop6h 34mSpirit Airlines
Wed 9/176:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Deal found 8/24$161
This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:00 amORD - SJC
1 stop7h 30mFrontier
Sun 9/1412:26 pmSJC - ORD
1 stop19h 11mFrontier
Deal found 8/25$167
This FlightHub deal was found by Cheapflights users on 8/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:00 amORD - OAK
1 stop6h 34mSpirit Airlines
Wed 9/176:30 amOAK - ORD
1 stop13h 02mSpirit Airlines
Deal found 8/25$168
This Frontier deal was found by Cheapflights users on 8/25. 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 9/76:00 amORD - SJC
1 stop9h 14mFrontier
Mon 9/1512:25 pmSJC - ORD
1 stop9h 34mFrontier
Deal found 8/25$174
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 9/76:00 amORD - SJC
1 stop9h 14mMultiple Airlines
Tue 9/1611:40 amSJC - ORD
1 stop7h 52mMultiple Airlines
Deal found 8/25$176
This Justfly.com deal was found by Cheapflights users on 8/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 amORD - SJC
1 stop7h 30mMultiple Airlines
Wed 9/106:35 amSJC - ORD
1 stop12h 57mMultiple Airlines
Deal found 8/25$177

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 August 26, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco Bay Area that are best for you.

Fly from

O'Hare Intl

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Tue 9/9

11:15 am-11:32 pm

1 stop14h 17m

Oakland

Wed 9/10

10:56 am-9:32 pm

2 stops8h 36m

$156

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 9/18

6:00 am-1:14 pm

1 stop9h 14m

San Jose

Mon 9/22

12:30 pm-11:59 pm

1 stop9h 29m

$158

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 9/25

6:00 am-1:14 pm

1 stop9h 14m

San Jose

Thu 10/2

2:14 pm-11:59 pm

1 stop7h 45m

$158

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 10/2

5:35 am-1:14 pm

1 stop9h 39m

San Jose

Sun 10/5

12:26 pm-11:59 pm

1 stop9h 33m

$158

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Thu 9/11

6:00 am-1:14 pm

1 stop9h 14m

San Jose

Mon 9/15

12:25 pm-11:59 pm

1 stop9h 34m

$160

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 10/31

6:00 am-11:32 am

1 stop7h 32m

San Jose

Mon 11/3

12:27 pm-12:15 am

1 stop9h 48m

$160

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 10/17

6:50 am-11:32 am

1 stop6h 42m

San Jose

Mon 10/20

12:35 pm-12:59 am

1 stop10h 24m

$160

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

Wed 9/10

9:00 am-1:34 pm

1 stop6h 34m

Oakland

Wed 9/17

6:30 am-9:32 pm

1 stop13h 02m

$161

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Sun 9/28

6:00 am-11:26 am

1 stop7h 26m

San Jose

Mon 10/6

12:25 pm-11:59 pm

1 stop9h 34m

$167

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

Fri 9/5

6:00 am-11:30 am

1 stop7h 30m

San Jose

Sun 9/14

12:26 pm-9:37 am

1 stop19h 11m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/23

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

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from O'Hare Intl 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 O'Hare Intl Airport to San Francisco Bay Area

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco Bay Area (average of $276). Flying from Chicago O'Hare Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $358). 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 ORD to XIH?

Find hourly flight availability from O'Hare Intl 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 August 26, 2025.

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

Weekly flight availability from Chicago O'Hare Intl Airport to San Francisco Bay Area

Explore weekly flight availability from O'Hare Intl 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 August 26, 2025.

The most flights from ORD to zzXIH are scheduled on a Monday (81 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

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 August 26, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and United Airlines from Chicago O'Hare Intl Airport to San Francisco Bay Area have to say. 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

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,943 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Frontier
5.8
Fair
3,200 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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.

  • How long is the flight from Chicago O'Hare Intl Airport to San Francisco Bay Area?

    Airlines like Spirit Airlines, Frontier, and Alaska Airlines fly from Chicago O'Hare Intl Airport to San Francisco Bay Area in about 9h 01m. The time it takes to get you to your destination can typically vary by up to 5h 16m. There are 1841 mi between Chicago O'Hare Intl Airport and San Francisco Bay Area. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to San Francisco Bay Area one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to San Francisco Bay Area are Spirit Airlines ($55), Frontier ($79), and Hawaiian Airlines ($102).

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

    While some choose either Chicago O'Hare Intl - San Jose or Chicago O'Hare Intl - Oakland, Chicago O'Hare Intl - San Francisco is the most popular route from Chicago O'Hare Intl Airport to San Francisco Bay Area.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco Bay Area are Austrian Airlines (75%), ANA (74%) and Aer Lingus (73%).

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

    Looking for the cheapest flight from Chicago O'Hare Intl Airport to San Francisco Bay Area? While on average our users pay $903, our data indicates the cheapest price to be $97. The most popular route (Chicago O'Hare Intl - San Francisco), is priced around $164.

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco Bay Area (average of $276). Flying from Chicago O'Hare Intl Airport to San Francisco Bay Area in June is currently the most expensive (average of $358). 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 O'Hare Intl 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 O'Hare Intl to San Francisco Bay Area

Discover the top 8 airlines that operate flights from O'Hare Intl 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 August 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$228FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$127Average$233FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$350FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$180Average$408FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$188Average$286FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$510FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$200Average$411FlexibilityNo cancel feeOn-time69%

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