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$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 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
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The best prices from Chicago O'Hare Intl to San Francisco are usually found in September or February, booked 85 days in advance, depart on a Wednesday or Tuesday 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 enero 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(United Airlines)

One-way from

$99
(United Airlines)

Popular in

March

Cheapest in

September

Average price

$307
Provider with most accurate pricing for Chicago O'Hare Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Francisco flights.
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From Chicago O'Hare Intl to San Francisco
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One-way flight from Chicago O'Hare Intl to San Francisco
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High demand for flights, 2% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in January 2025
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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 enero 17, 2025.

This United Airlines deal was found by Cheapflights users on 1/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/68:55 amORD - SFO
Nonstop4h 48mUnited Airlines
dom. 2/911:05 pmSFO - ORD
Nonstop4h 25mUnited Airlines
Deal found 1/15$197
This Alaska Airlines deal was found by Cheapflights users on 1/16. 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.
mié. 2/197:00 pmORD - SFO
Nonstop5h 10mAlaska Airlines
mar. 2/252:43 pmSFO - ORD
1 stop7h 16mAlaska Airlines
Deal found 1/16$198
This Expedia deal was found by Cheapflights users on 1/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/26:58 pmORD - SFO
Nonstop4h 59mMultiple Airlines
lun. 5/511:53 pmSFO - ORD
1 stop8h 59mMultiple Airlines
Deal found 1/16$199
This eDestinos deal was found by Cheapflights users on 1/16. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/26:50 amORD - SFO
2 stops52h 52mFrontier
dom. 3/910:59 pmSFO - ORD
2 stops47h 24mFrontier
Deal found 1/16$200
This American Airlines deal was found by Cheapflights users on 1/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/1512:25 pmORD - SFO
Nonstop4h 54mAmerican Airlines
mar. 2/185:15 amSFO - ORD
Nonstop4h 06mAmerican Airlines
Deal found 1/16$224
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/176:15 amORD - SFO
1 stop9h 05mDelta
mié. 3/55:55 amSFO - ORD
1 stop8h 18mDelta
Deal found 1/16$257
This Southwest deal was found by Cheapflights users on 1/16. 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.
lun. 4/286:55 pmORD - SFO
1 stop6h 25mSouthwest
jue. 5/19:55 amSFO - ORD
2 stops10h 25mSouthwest
Deal found 1/16$305
This Sun Country Air deal was found by Cheapflights users on 1/16. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/28:05 pmORD - SFO
1 stop19h 07mSun Country Air
vie. 6/69:20 amSFO - ORD
1 stop7h 51mSun Country Air
Deal found 1/16$335

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 enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

jue. 2/6

12:45 pm-3:38 pm

Nonstop4h 53m

San Francisco

sáb. 2/8

8:25 am-2:54 pm

Nonstop4h 29m

$197

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

sáb. 2/15

7:00 pm-10:10 pm

Nonstop5h 10m

San Francisco

sáb. 2/22

6:59 pm-1:04 pm

1 stop16h 05m

$198

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mié. 2/5

12:39 pm-3:28 pm

Nonstop4h 49m

San Francisco

mar. 2/11

1:20 pm-7:41 pm

Nonstop4h 21m

$199

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

dom. 3/30

2:48 pm-11:15 pm

1 stop10h 27m

San Francisco

mar. 4/8

11:12 am-12:15 am

1 stop11h 03m

$200

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

vie. 2/14

7:00 pm-10:10 pm

Nonstop5h 10m

San Francisco

mar. 2/18

12:16 am-9:51 am

1 stop7h 35m

$204

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

lun. 2/17

6:15 am-1:20 pm

1 stop9h 05m

San Francisco

mié. 3/5

5:55 am-4:13 pm

1 stop8h 18m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

lun. 4/28

6:55 pm-11:20 pm

1 stop6h 25m

San Francisco

jue. 5/1

9:55 am-10:20 pm

2 stops10h 25m

$305

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

lun. 6/2

8:05 pm-1:12 pm

1 stop19h 07m

San Francisco

vie. 6/6

9:20 am-7:11 pm

1 stop7h 51m

$335

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

mié. 4/16

6:56 pm-9:55 pm

Nonstop4h 59m

$99

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

sáb. 2/8

1:00 pm-3:50 pm

Nonstop4h 50m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 16 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 January.
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*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
Trip.comPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust 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 January 10, 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 85 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 $405). 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 enero 17, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 6% 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 December 16, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Francisco flight should consider departing on Wednesday 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 enero 17, 2025.

The most flights from ORD to SFO are scheduled on a Thursday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, 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

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated enero 17, 2025.
Read through reviews of airlines operating flights from Chicago to San Francisco, such as American Airlines, Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Delta
8.0
Very good
8,511 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

United Airlines
7.4
Good
8,965 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,659 reviews

Food

7.2

Crew

8.7

Comfort

8.1

Entertainment

7.7

Boarding

8.2

Overall

8.1

Reviews

1 / 10

My first time, surprisingly good! It was a good ride overall. Coming from Singapore, this budget flight is better than the budget airline for our national carrier Singapore Airlines.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Francisco. 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 into for flights to San Francisco from Chicago O'Hare Intl?

    Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to San Francisco (SFO) should be relatively easy as there are 36 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Francisco round-trip?

    Currently priced at $197, United Airlines will fly you from Chicago O'Hare Intl Airport to San Francisco and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and American Airlines - these airlines can fly you to your destination from $198 and $199, respectively. Users have found that United Airlines is 41% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to San Francisco are United Airlines ($99), Alaska Airlines ($103), and Frontier ($104).

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

    Consider Air China (100%), ANA (93%) or Asiana Airlines (83%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco.

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

    Looking at all options, your cheapest flight can be booked for $98. While the most popular route (Chicago O'Hare Intl - San Francisco) can be booked for $165 on average our data indicates $937 when flying from Chicago O'Hare Intl Airport to San Francisco.

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

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

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

    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.

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

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

    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 $405). 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
Mountain View
Roseville
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
Antioch
South San Francisco
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

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Alternative routes for O'Hare Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from O'Hare Intl to San Francisco

Discover the top 5 airlines that operate flights from O'Hare Intl to San Francisco. 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 enero 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$124Average$210FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$377FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$150Average$303FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$196Average$336FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$202Average$383FlexibilityNo cancel feeOn-time69%
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