San Francisco

$99+ Cheap flights from O'Hare Intl (ORD) to San Francisco (SFO)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
févr. 18 — févr. 251
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The best prices from Chicago O'Hare Intl to San Francisco are usually found in September or January, booked 48 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from O'Hare Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Francisco (SFO). 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 février 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$202
(Kiwi.com)

One-way from

$99
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$307

Good round-trip deal

$286 or less

Good one-way deal

$144 or less
Provider with most accurate pricing for Chicago O'Hare Intl-San Francisco flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Francisco flights.
From Chicago O'Hare Intl to San Francisco
One-way flight from Chicago O'Hare Intl to San Francisco
Highest demand for flights based on searches. 2% potential increase in price ($8 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 February 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to San Francisco.
Price to beat on a one-way flight from Chicago O'Hare Intl to San Francisco.

Find flight deals from O'Hare Intl to San Francisco

Cheapest flights from O'Hare Intl to San Francisco
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on février 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/12. 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.
sam. 3/297:16 pmORD - SFO
Nonstop4h 59mMultiple Airlines
sam. 4/57:41 pmSFO - ORD
1 stop26h 34mMultiple Airlines
Deal found 2/12$202
This Kiwi.com deal was found by Cheapflights users on 2/12. 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. 2/256:50 amORD - SFO
1 stop8h 43mFrontier
ven. 2/2811:13 amSFO - ORD
1 stop11h 50mFrontier
Deal found 2/12$203
This Hawaiian Airlines deal was found by Cheapflights users on 2/12. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 3/57:00 pmORD - SFO
Nonstop5h 10mHawaiian Airlines
lun. 3/1010:46 amSFO - ORD
Nonstop4h 12mHawaiian Airlines
Deal found 2/12$207
This American Airlines deal was found by Cheapflights users on 2/13. 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.
jeu. 3/138:20 pmORD - SFO
Nonstop4h 54mAmerican Airlines
mer. 3/195:00 amSFO - ORD
Nonstop4h 16mAmerican Airlines
Deal found 2/13$208
This United Airlines deal was found by Cheapflights users on 2/13. 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.
jeu. 3/69:28 pmORD - SFO
Nonstop5h 02mUnited Airlines
dim. 3/1611:59 pmSFO - ORD
Nonstop4h 18mUnited Airlines
Deal found 2/13$217
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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.
mar. 2/187:00 pmORD - SFO
Nonstop5h 10mAlaska Airlines
sam. 2/2210:48 amSFO - ORD
Nonstop4h 12mAlaska Airlines
Deal found 2/11$218
This Delta deal was found by Cheapflights users on 2/13. 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.
ven. 5/25:05 pmORD - SFO
1 stop7h 38mDelta
sam. 5/1012:30 pmSFO - ORD
1 stop9h 23mDelta
Deal found 2/13$257
This Southwest deal was found by Cheapflights users on 2/13. 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.
ven. 4/44:00 pmORD - SFO
1 stop7h 30mSouthwest
jeu. 4/245:10 amSFO - ORD
2 stops9h 35mSouthwest
Deal found 2/13$306
This Sun Country Air deal was found by Cheapflights users on 2/13. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/318:10 pmORD - SFO
1 stop13h 58mSun Country Air
dim. 8/311:59 pmSFO - ORD
1 stop17h 12mSun Country Air
Deal found 2/13$315

Find flights from O'Hare Intl to San Francisco within your budget

Customize your flight search to find flights from O'Hare Intl to San Francisco 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 février 13, 2025.

Fly from

O'Hare Intl

Fly to

San Francisco

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

sam. 3/29

7:16 pm-10:15 pm

Nonstop4h 59m

San Francisco

sam. 4/5

7:41 pm-12:15 am

1 stop26h 34m

$202

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mar. 2/25

6:50 am-1:33 pm

1 stop8h 43m

San Francisco

ven. 2/28

11:13 am-1:03 am

1 stop11h 50m

$203

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mer. 3/5

7:00 pm-10:10 pm

Nonstop5h 10m

San Francisco

lun. 3/10

10:46 am-4:58 pm

Nonstop4h 12m

$207

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jeu. 3/13

8:20 pm-11:14 pm

Nonstop4h 54m

San Francisco

mer. 3/19

5:00 am-11:16 am

Nonstop4h 16m

$208

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jeu. 3/6

9:28 pm-12:30 am

Nonstop5h 02m

San Francisco

dim. 3/16

11:59 pm-6:17 am

Nonstop4h 18m

$217

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

sam. 4/5

7:16 pm-10:15 pm

Nonstop4h 59m

San Francisco

sam. 4/12

11:52 am-6:16 pm

Nonstop4h 24m

$232

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jeu. 4/10

6:55 pm-11:20 pm

1 stop6h 25m

San Francisco

lun. 4/14

7:55 pm-12:45 pm

2 stops14h 50m

$248

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

ven. 5/2

5:05 pm-10:43 pm

1 stop7h 38m

San Francisco

sam. 5/10

12:30 pm-11:53 pm

1 stop9h 23m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jeu. 7/31

8:10 pm-8:08 am

1 stop13h 58m

San Francisco

dim. 8/3

11:59 pm-7:11 pm

1 stop17h 12m

$315

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mar. 4/15

8:45 am-11:28 am

Nonstop4h 43m

$99

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/13

Showing 1-10 of 18 results
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Compare providers for flights from O'Hare Intl to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to San Francisco in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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.

Travel insights for flights from O'Hare Intl to San Francisco

Get recent, data-driven insights about flights from O'Hare Intl to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to San Francisco. Price data was last updated on February 7, 2025.

The price you pay for your flight from Chicago O'Hare Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of $276). Flying from Chicago O'Hare Intl Airport to San Francisco in June is currently the most expensive (average of $403). 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 SFO?

Find hourly flight availability from O'Hare Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated février 13, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from Chicago O'Hare Intl Airport to San Francisco by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to San Francisco. Price data was last updated on February 10, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Francisco flight should consider departing on Thursday evenings 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 O'Hare Intl Airport to San Francisco

Explore weekly flight availability from O'Hare Intl to San Francisco. 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 février 13, 2025.

The most flights from ORD to SFO are scheduled on a Thursday (64 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in San Francisco by month