Cheap Flights from San Francisco (SFO) to Chicago (ORD)

View AU$180 flight on Tue, 9 June 2026Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Chicago O'Hare International Airport (ORD)

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Cheap Flights from San Francisco (SFO) to Chicago (ORD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$333 Return, found 3 days ago
AU$333
Return
found 3 days ago
Select American Airlines flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$333 found 3 days ago
Delta
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$352 Return, found 3 days ago
AU$352
Return
found 3 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$352 found 3 days ago
Alaska Airlines
Tue, 19 May - Wed, 3 June
SFO
San Francisco
ORD
Chicago
AU$368 Return, found 6 days ago
AU$368
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 19 May from San Francisco to Chicago, returning Wed, 3 June, priced at AU$368 found 6 days ago
Delta
Thu, 28 May - Wed, 3 June
SFO
San Francisco
ORD
Chicago
AU$370 Return, found 18 hours ago
AU$370
Return
found 18 hours ago
Select Delta flight, departing Thu, 28 May from San Francisco to Chicago, returning Wed, 3 June, priced at AU$370 found 18 hours ago
Delta
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$373 Return, found 3 days ago
AU$373
Return
found 3 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$373 found 3 days ago
Delta
Thu, 28 May - Wed, 3 June
SFO
San Francisco
ORD
Chicago
AU$378 Return, found 18 hours ago
AU$378
Return
found 18 hours ago
Select Delta flight, departing Thu, 28 May from San Francisco to Chicago, returning Wed, 3 June, priced at AU$378 found 18 hours ago
Delta
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$380 Return, found 3 days ago
AU$380
Return
found 3 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$380 found 3 days ago
Delta
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$392 Return, found 3 days ago
AU$392
Return
found 3 days ago
Select Delta flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$392 found 3 days ago
American Airlines
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$395 Return, found 3 days ago
AU$395
Return
found 3 days ago
Select American Airlines flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$395 found 3 days ago
United
Wed, 27 May - Tue, 2 June
SFO
San Francisco
ORD
Chicago
AU$409 Return, found 3 days ago
AU$409
Return
found 3 days ago
Select United flight, departing Wed, 27 May from San Francisco to Chicago, returning Tue, 2 June, priced at AU$409 found 3 days ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city centre is 16 minutes. Flights from AU$1,286
MDW
Midway Intl.
Closest
Average driving time to city centre16 min
Flights from AU$1,286

Find the cheapest month to fly from San Francisco (SFO) to Chicago (ORD)

April is typically the cheapest month to fly

From AU$233 - AU$482 per traveller.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) cost?
One-way flights typically cost between $322 and $1,796 and return flights often range between $1,119 and $3,283. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
September is typically the cheapest month to fly from San Francisco International Airport (SFO) to O'Hare International Airport (ORD), with average return fares around 746 AUD. This is about 16% lower than the average price throughout the year. September often sees lower prices as the peak summer travel season ends and demand decreases. Other cheap months to fly from San Francisco to Chicago include May and August.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Enter SFO to ORD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, AA typically offers the lowest fares. UA offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) is typically September. This month offers a great balance, as it's one of the cheapest months to fly with average return flights around 746, AUD and it's also a popular time to travel, meaning you'll have heaps of flight options to choose from. This information is based on booking data from the past year.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
When flying from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.), you'll find approximately 22 nonstop flights per day. For even more choice, look at flights that include layovers, as there are around 182 connecting flights per day. Some common connection points include Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), and Dallas-Fort Worth Intl. (DFW).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The earliest flight from San Francisco International Airport (SFO) to O'Hare International Airport (ORD) typically departs at around 12:05 AM local time, operated by Delta Air Lines. This is a seasonal service active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
You'll typically find the most flights from San Francisco Intl. (SFO) to O'Hare Intl. (ORD) on a Thursday, with around 122 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Alaska Airlines, and American Airlines.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
The most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) are in the morning, from 6am to 9am. Around 26% of passengers reckon this time's best. Heaps of major carriers, including American Airlines and United Airlines, offer flights during this window. This timing works well because it allows you to start your travel day early and arrive in Chicago with plenty of time for business or leisure activities.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
A nonstop flight from SFO to ORD typically takes around 4 hours 30 minutes, covering approximately 1,843 miles. Connecting flights on this route usually add 5 hours 30 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
Select the "Business class" and "First class" filters when looking for SFO to ORD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Chicago from San Francisco Intl. (SFO)?
When traveling from San Francisco Intl. (SFO) to Chicago, you can fly into Midway Intl. (MDW) and O'Hare Intl. (ORD). Some flights may connect through major hubs like McCarran Intl. (LAS), Los Angeles Intl. (LAX), San Diego Intl. (SAN) before reaching Chicago. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Chicago, IL (ORD-O'Hare Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
AU$333
Distance
2947 km
Average flight time
6 hours 25 mins

Book with confidence

Your quick guide to flights from San Francisco to Chicago

Pick up great flights from San Francisco to Chicago

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Francisco to Chicago. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Francisco to Chicago that take around hours.

Find cheap flights from San Francisco to Chicago

From the great flight deals with prices currently ranging from AU$333 to AU$409, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Francisco to Chicago around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chicago is normally in May.

Reasons to book your flight from San Francisco to Chicago with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Francisco to Chicago across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chicago right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from San Francisco to Chicago

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*Available to Expedia members.