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$74+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
jun. 21 — jun. 281
sáb. 6/21
sáb. 6/28
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 junio 16, 2025.

Round-trip from

$162
(KAYAK)

One-way from

$74
(Flightnetwork)

Popular in

December

Cheapest in

September

Average price

$327
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 ($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 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 junio 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.
jue. 7/177:08 amORD - OAK
1 stop6h 39mSpirit Airlines
mar. 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.
sáb. 8/303:10 pmORD - OAK
1 stop7h 35mSouthwest
lun. 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.
jue. 7/101:39 pmORD - SFO
1 stop8h 00mFrontier
vie. 7/118:53 pmSFO - ORD
1 stop9h 14mFrontier
Deal found 6/16$202
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.
mar. 7/15:25 pmORD - SFO
1 stop7h 45mSouthwest
sáb. 7/59:00 pmSFO - ORD
1 stop12h 50mSouthwest
Deal found 6/16$204
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.
lun. 10/205:43 pmORD - SFO
Nonstop4h 37mAmerican Airlines
mié. 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.
vie. 7/117:18 pmORD - SFO
Nonstop4h 48mMultiple Airlines
dom. 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.
vie. 8/87:18 pmORD - SFO
Nonstop4h 48mAlaska Airlines
lun. 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.
mar. 9/301:01 pmORD - SFO
1 stop8h 18mHawaiian Airlines
lun. 10/67:43 pmSFO - ORD
1 stop8h 38mHawaiian Airlines
Deal found 6/16$229
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.
jue. 7/249:40 pmORD - SFO
Nonstop4h 50mUnited Airlines
dom. 7/2711:25 pmSFO - ORD
Nonstop4h 14mUnited Airlines
Deal found 6/16$246
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/26:00 amORD - SFO
1 stop9h 15mDelta
lun. 7/1412:50 amSFO - ORD
1 stop5h 35mDelta
Deal found 6/15$257
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/17:40 amORD - OAK
1 stop6h 10mDelta
vie. 7/412:30 pmOAK - ORD
1 stop7h 39mDelta
Deal found 6/14$257
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/303:18 pmORD - OAK
1 stop10h 15mMultiple Airlines
mié. 8/68:00 amOAK - ORD
2 stops12h 30mMultiple Airlines
Deal found 6/14$262

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 junio 16, 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

jue. 7/17

7:08 am-11:47 am

1 stop6h 39m

Oakland

mar. 7/22

6:00 am-2:13 pm

1 stop6h 13m

$162

ChicagoOakland

ORD - OAK

ORDOAK

Chicago O'Hare Intl

sáb. 8/30

3:10 pm-8:45 pm

1 stop7h 35m

Oakland

lun. 9/1

1:45 pm-11:40 pm

1 stop7h 55m

$199

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 7/10

1:39 pm-7:39 pm

1 stop8h 00m

San Francisco

vie. 7/11

8:53 pm-8:07 am

1 stop9h 14m

$202

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mar. 7/1

5:25 pm-11:10 pm

1 stop7h 45m

San Francisco

sáb. 7/5

9:00 pm-11:50 am

1 stop12h 50m

$204

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 7/11

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

dom. 7/13

11:30 pm-11:37 am

1 stop10h 07m

$214

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 8/8

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

lun. 8/11

11:55 am-6:18 pm

Nonstop4h 23m

$217

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mar. 7/1

7:18 pm-10:06 pm

Nonstop4h 48m

San Francisco

mar. 7/15

11:55 am-6:18 pm

Nonstop4h 23m

$218

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mar. 7/1

6:45 am-9:23 am

Nonstop4h 38m

San Francisco

vie. 7/4

2:40 pm-9:01 pm

Nonstop4h 21m

$219

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 7/24

9:40 pm-12:30 am

Nonstop4h 50m

San Francisco

dom. 7/27

11:25 pm-5:39 am

Nonstop4h 14m

$246

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mié. 7/2

6:00 am-1:15 pm

1 stop9h 15m

San Francisco

lun. 7/14

12:50 am-8:25 am

1 stop5h 35m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 51 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 $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 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 junio 16, 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 junio 16, 2025.

The most flights from ORD to zzXIH are scheduled on a Monday (93 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (74 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 junio 16, 2025.
To help decide which airline to fly from Chicago to San Francisco Bay Area, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Food

7.1

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 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.

  • 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 ($74), Frontier ($100), and Southwest ($105).

  • 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 - Oakland or Chicago O'Hare Intl - San Jose, 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 Alaska Airlines (93%), Air China (89%) and ANA (89%).

  • 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 $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 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 $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.

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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 junio 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$90Average$221FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$226FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$127Average$239FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$375FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$167Average$324FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$416FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$454FlexibilityNo cancel feeOn-time63%

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