$65 Cheap Flights from San Francisco (SFO) to Chicago (ORD)

View $65 flight on Mon, Nov 10, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Nov 10 - Thu, Nov 13
SFO
San Francisco
ORD
Chicago
$130 Roundtrip, just found
$130
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 10 from San Francisco to Chicago, returning Thu, Nov 13, priced at $130 just found
Frontier Airlines
Mon, Nov 17 - Wed, Nov 19
SFO
San Francisco
ORD
Chicago
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 17 from San Francisco to Chicago, returning Wed, Nov 19, priced at $140 just found
Frontier Airlines
Sat, Dec 13 - Mon, Dec 15
SFO
San Francisco
ORD
Chicago
$150 Roundtrip, found 2 hours ago
$150
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Dec 13 from San Francisco to Chicago, returning Mon, Dec 15, priced at $150 found 2 hours ago
Frontier Airlines
Mon, Dec 8 - Thu, Dec 11
SFO
San Francisco
ORD
Chicago
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Dec 8 from San Francisco to Chicago, returning Thu, Dec 11, priced at $160 just found
Frontier Airlines
Mon, Nov 10 - Thu, Nov 13
SFO
San Francisco
ORD
Chicago
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Nov 10 from San Francisco to Chicago, returning Thu, Nov 13, priced at $168 just found
Alaska Airlines
Tue, Feb 3 - Wed, Feb 11
SFO
San Francisco
ORD
Chicago
$169 Roundtrip, found 3 days ago
$169
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from San Francisco to Chicago, returning Wed, Feb 11, priced at $169 found 3 days ago
Frontier Airlines
Sat, Dec 13 - Mon, Dec 15
SFO
San Francisco
ORD
Chicago
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sat, Dec 13 from San Francisco to Chicago, returning Mon, Dec 15, priced at $170 found 2 hours ago
United
Sat, Jan 17 - Tue, Jan 20
SFO
San Francisco
ORD
Chicago
$233 Roundtrip, just found
$233
Roundtrip
just found
Select United flight, departing Sat, Jan 17 from San Francisco to Chicago, returning Tue, Jan 20, priced at $233 just found
Southwest Airlines
Wed, Jan 7 - Tue, Jan 13
SFO
San Francisco
ORD
Chicago
$245 Roundtrip, found 18 hours ago
$245
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Wed, Jan 7 from San Francisco to Chicago, returning Tue, Jan 13, priced at $245 found 18 hours ago
Delta
Sat, Jan 17 - Tue, Jan 20
SFO
San Francisco
ORD
Chicago
$253 Roundtrip, just found
$253
Roundtrip
just found
Select Delta flight, departing Sat, Jan 17 from San Francisco to Chicago, returning Tue, Jan 20, priced at $253 just found

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

September is typically the cheapest month to fly

From $129 - $207 per traveler.

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 center is 16 minutes. Flights from $232
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $232

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD) cost?
Secure a cheap one-way flight from $65 or cheap return flight from $130 from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
Flying in November is a great way to save, as it's the cheapest month for flights between SFO and ORD. You'll typically find the lowest fares during off-peak months.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
Avoid the layovers and fly direct to O'Hare Intl. Airport (ORD) from San Francisco Intl. Airport (SFO) with 3 carriers, including:

  • United Airlines
  • American Airlines
  • Alaska Airlines

What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
Alaska Airlines and American Airlines are some popular carriers offering competitive fares. Don't forget that flight prices from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD) can change based on travel dates, demand and how early you book. With Expedia's search tool, you can easily find a SFO to ORD flight that fits your preferences and budget.
How many flights per day from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
When flying out of San Francisco Intl. Airport (SFO), you can pick from an average of 10 daily direct flights to O'Hare Intl. Airport (ORD).
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
The 11 PM departures from SFO to ORD are typically the busiest. Prices can be higher for these popular slots. If you want to save on your fare, pick a less crowded time to fly.
What day of the week has the most flights from SFO to ORD?
Sunday has the most flights from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
The earliest flight leaving San Francisco Intl. Airport (SFO) is at around 5:20AM UTC-8. Catch this flight and you'll reach O'Hare Intl. Airport (ORD) at approximately 11:36AM UTC-6. The total time in the air is 4h 16m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
The average flight duration from SFO to ORD is 4 hours and 23 minutes, covering a total distance of 1,850 mi.
What airline has the least delays from SFO to ORD?
With 81% of journeys generally arriving on time, United Airlines has the best on-time performance for nonstop flights from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
Choose a flight from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD) that leaves before 3 PM to reduce the risk of cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Chicago from San Francisco Intl. Airport (SFO)?
Catch a direct flight from San Francisco Intl. Airport (SFO) to Chicago and arrive at O'Hare Intl. Airport (ORD). An alternative entry point into this destination is Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD) last-minute?
Last-minute fares from SFO to ORD are generally more expensive. For the best rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may find a cheap fare right before your journey.
Is it cheaper to book a SFO to ORD flight and hotel package?
You'll generally save money by securing a SFO to ORD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to O'Hare Intl. Airport (ORD)?
Usually, it's possible to reschedule or cancel your SFO to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
San Francisco Intl.
Destination airport
O'Hare Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$130
Distance
1842 mi
Average flight time
6 hours 17 mins

Book with confidence

San Francisco to Chicago Flights

The cheapest times to fly from San Francisco to Chicago

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Chicago are during the month of November. You can find some of the cheapest flights from San Francisco to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Francisco to Chicago

Sunday is one of the best days to book for cheap flights from San Francisco to Chicago: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Francisco to Chicago

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Chicago flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Chicago airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Francisco to Chicago Flights

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*Available to One Key members.