HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$128+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in April or May, booked 82 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 January 14, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$241
(Kiwi.com)

One-way from

$128
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$365

Good round-trip deal

$333 or less

Good one-way deal

$211 or less
Provider with most accurate pricing for Chicago O'Hare Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Francisco flights.
Search Deals
From Chicago O'Hare Intl to San Francisco
Search Deals
One-way flight from Chicago O'Hare Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($43 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 January 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to San Francisco.
Search Deals

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 January 14, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Fri 2/63:22 pm
ORD
-
SFO
2 stops11h 06m
Multiple Airlines
Tue 2/1010:58 pm
SFO
-
ORD
1 stop10h 16m
Multiple Airlines
Deal found 1/12$241
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/259:38 pm
ORD
-
SFO
1 stop14h 15m
Multiple Airlines
Tue 2/32:52 pm
SFO
-
ORD
1 stop6h 45m
Multiple Airlines
Deal found 1/11$242
This Cheapflightsfares deal was found by Cheapflights users on 1/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:36 pm
ORD
-
SFO
1 stop11h 03m
Frontier
Fri 2/1310:58 pm
SFO
-
ORD
1 stop9h 48m
Frontier
Deal found 1/12$243
This Kiwi.com deal was found by Cheapflights users on 1/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:00 am
ORD
-
SFO
1 stop12h 46m
Frontier
Sun 3/159:04 pm
SFO
-
ORD
1 stop26h 03m
Frontier
Deal found 1/11$244
This Frontier deal was found by Cheapflights users on 1/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/205:11 am
ORD
-
SFO
1 stop12h 15m
Frontier
Tue 3/2410:14 pm
SFO
-
ORD
1 stop11h 26m
Frontier
Deal found 1/12$245
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1011:51 am
ORD
-
SFO
1 stop11h 48m
Multiple Airlines
Thu 6/119:06 am
SFO
-
ORD
1 stop8h 13m
Multiple Airlines
Deal found 1/13$246
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Fri 1/309:38 pm
ORD
-
SFO
1 stop14h 30m
Multiple Airlines
Fri 2/67:00 am
SFO
-
ORD
1 stop8h 10m
Multiple Airlines
Deal found 1/12$247
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Fri 2/1312:53 pm
ORD
-
SFO
1 stop13h 35m
Frontier
Thu 2/1911:09 pm
SFO
-
ORD
1 stop9h 37m
Frontier
Deal found 1/12$248
This Alaska Airlines deal was found by Cheapflights users on 1/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/33:44 pm
ORD
-
SFO
1 stop9h 03m
Alaska Airlines
Sat 2/79:16 am
SFO
-
ORD
1 stop12h 21m
Alaska Airlines
Deal found 1/12$249
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:10 pm
ORD
-
SFO
1 stop8h 42m
Alaska Airlines
Thu 4/166:35 am
SFO
-
ORD
1 stop15h 24m
Alaska Airlines
Deal found 1/13$250
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Mon 1/2612:44 pm
ORD
-
SFO
2 stops36h 57m
Multiple Airlines
Thu 1/296:15 am
SFO
-
ORD
1 stop10h 16m
Multiple Airlines
Deal found 1/12$251
This Kiwi.com deal was found by Cheapflights users on 1/12. 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.
Sat 3/286:00 pm
ORD
-
SFO
1 stop8h 29m
Frontier
Wed 4/19:35 pm
SFO
-
ORD
1 stop16h 23m
Frontier
Deal found 1/12$252

Cheapflights Fare Finder

 
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 January 14, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

Fly from

O'Hare Intl

Fly to

San Francisco

Route

Depart

Return

Price

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 3/17

7:25 am-2:05 pm

1 stop8h 40m

San Francisco

Tue 3/24

10:40 pm-9:10 am

1 stop8h 30m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 3/17

4:35 pm-7:34 pm

Nonstop4h 59m

San Francisco

Sat 3/21

6:44 pm-12:59 am

Nonstop4h 15m

$257

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 3/1

7:00 am-11:59 pm

1 stop18h 59m

San Francisco

Wed 4/22

7:15 am-7:03 pm

1 stop9h 48m

$260

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 2/18

9:01 am-12:05 pm

Nonstop5h 04m

San Francisco

Fri 2/20

3:15 pm-9:36 pm

Nonstop4h 21m

$269

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 2/18

2:35 pm-5:40 pm

Nonstop5h 05m

San Francisco

Mon 3/2

11:59 pm-6:19 am

Nonstop4h 20m

$271

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 3/17

6:17 am-9:22 am

Nonstop5h 05m

San Francisco

Fri 3/20

6:44 pm-12:59 am

Nonstop4h 15m

$272

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 3/14

5:00 pm-10:15 pm

1 stop7h 15m

San Francisco

Sat 3/21

6:00 am-4:18 pm

1 stop8h 18m

$274

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Mon 3/30

1:57 pm-7:07 pm

1 stop7h 10m

San Francisco

Thu 4/2

10:40 pm-9:10 am

1 stop8h 30m

$283

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 3/13

7:10 am-2:42 pm

1 stop9h 32m

San Francisco

Fri 3/20

10:40 pm-9:10 am

1 stop8h 30m

$283

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Fri 2/20

7:40 am-10:50 am

Nonstop5h 10m

San Francisco

Fri 2/27

11:59 pm-6:19 am

Nonstop4h 20m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

Showing 1-10 of 24 results
1
2
3

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 Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Chicago O'Hare Intl Airport-San Francisco flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Francisco

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 9, 2026.

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 82 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of $80). Flying from Chicago O'Hare Intl Airport to San Francisco in November is currently the most expensive (average of $207). 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 January 14, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% 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 January 10, 2026.

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.

The best insider tips for Chicago O'Hare Intl Airport to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to San Francisco trip
Airlines
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort for travelers seeking more space.


United's Polaris Lounges provide exclusive amenities like showers and dining for premium passengers.

Read more about United AirlinesBy Harriet Baskas
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on medium-haul flights.


Alaska's Wi-Fi is a flat fee, ideal for business travelers needing connectivity during flights.

Read more about Alaska AirlinesBy Robert Schrader
Airports
ORD

For a quick snack before your flight, grab some Garrett Popcorn near gate B8, a Chicago favorite.

Read more about ORDBy Ramsey Qubein
SFO

Use BART for an affordable ride from SFO to downtown San Francisco, taking about 40 minutes.

Read more about SFOBy Harriet Baskas
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 January 14, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Chicago O'Hare Intl Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Alaska Airlines
8.0
Very good
11,714 reviews
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Delta
7.9
Good
8,048 reviews
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
United Airlines
7.4
Good
9,163 reviews
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
American Airlines
7.2
Good
11,130 reviews
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.
Frontier
5.7
Fair
3,057 reviews
Alaska Airlines
8.0
Very good
11,714 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

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 45 daily inbound flights from Chicago O'Hare Intl from 8 different airlines.

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

    Departing from Chicago O'Hare Intl Airport to San Francisco will take you 4h 59m. 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 cheapest airlines flying from Chicago O'Hare Intl Airport to San Francisco round-trip?

    Currently priced at $95, Frontier will fly you from Chicago O'Hare Intl Airport to San Francisco and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Hawaiian Airlines and Delta - these airlines can fly you to your destination from $108 and $128, respectively. Users have found that Frontier is 71% 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 JetBlue ($73), Frontier ($85), and Alaska Airlines ($98).

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

    Consider ANA (89%), China Southern (75%) or Brussels Airlines (75%) 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 $127. While the most popular route (Chicago O'Hare Intl - San Francisco) can be booked for $158 on average, our data indicates $1,234 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of $80). Flying from Chicago O'Hare Intl Airport to San Francisco in November is currently the most expensive (average of $207). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Hollister
Redwood City
Union City
Elk Grove
Foster City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for O'Hare Intl to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
Midway to Las Vegas flights
O'Hare Intl to Santa Ana flights
Midway to Los Angeles flights
O'Hare Intl to San Diego flights
O'Hare Intl to Ontario flights
O'Hare Intl to Burbank flights
O'Hare Intl to Palm Springs flights
Midway to San Francisco flights
O'Hare Intl to Reno flights
Midway to Santa Ana flights
Rockford to Las Vegas flights
O'Hare Intl to Sacramento flights
O'Hare Intl to San Jose flights
Midway to Ontario flights
Midway to San Diego flights
Midway to Palm Springs flights
Midway to Burbank flights
O'Hare Intl to Oakland flights
Midway to Reno flights
O'Hare Intl to Long Beach flights
Midway to Sacramento flights
O'Hare Intl to Santa Barbara flights
O'Hare Intl to Fresno flights
Midway to Oakland flights
O'Hare Intl to Monterey flights
Midway to San Jose flights
Midway to Long Beach flights
Midway to Fresno flights
O'Hare Intl to San Luis Obispo flights
O'Hare Intl to Santa Rosa flights
O'Hare Intl to Bakersfield flights
O'Hare Intl to Medford flights
O'Hare Intl to Arcata flights
O'Hare Intl to Redding flights
O'Hare Intl to Yuma flights
O'Hare Intl to Tijuana flights
Midway to Medford flights
Midway to Tijuana flights
Midway to Mexicali flights
O'Hare Intl to Mexicali flights
O'Hare Intl to Mammoth Lakes flights
O'Hare Intl to Merced flights

Top 8 airlines flying from O'Hare Intl to San Francisco

Discover the top 8 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 January 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
FrontierCheapest$129Average$235FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$138Average$332FlexibilityNo cancel feeOn-time63%
DeltaCheapest$159Average$314FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$183Average$427FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$187Average$276FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$311FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$206Average$372FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.