Cheap flights from San Francisco to Chicago from $173
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 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from San Francisco to Chicago
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Chicago (CHI). 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 4 July 2025.
Round-trip from | $341 |
---|---|
One-way from | $173 |
Popular in | December |
Cheapest in | February |
Average price | $566 |
Find flight deals from San Francisco to Chicago
Cheapest flights from San Francisco to ChicagoExplore the most affordable flight options available from San Francisco to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Explore the most affordable flight options available from San Francisco to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from San Francisco to Chicago 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 134,765 searches. Data last updated 4 July 2025.
Use the filters below to find and compare flights from San Francisco to Chicago that are best for you.
Fly from
Fly to
Route
Departure
Return
Price
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 9/9
13:55-20:13
Nonstop4h 18m
Chicago O'Hare Intl
Fri 12/9
16:30-19:14
Nonstop4h 44m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 26/8
12:45-22:20
1 stop7h 35m
Chicago O'Hare Intl
Sun 31/8
07:30-11:55
1 stop6h 25m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Fri 26/9
21:19-07:03
1 stop7h 44m
Chicago O'Hare Intl
Sat 27/9
12:05-20:19
1 stop10h 14m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Wed 15/10
10:30-23:59
1 stop11h 29m
Chicago O'Hare Intl
Tue 21/10
08:20-14:01
1 stop7h 41m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Mon 18/8
06:00-15:00
1 stop7h 00m
Chicago O'Hare Intl
Mon 25/8
06:10-13:30
1 stop9h 20m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Thu 4/9
18:18-19:12
1 stop22h 54m
Chicago O'Hare Intl
Sun 7/9
19:02-17:12
1 stop24h 10m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Sat 30/8
05:00-17:55
1 stop10h 55m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Tue 9/12
12:30-23:10
1 stop8h 40m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Mon 10/11
18:19-06:22
1 stop10h 03m
San FranciscoChicago
SFO - ORD
SFOORD
San Francisco
Sat 9/8
00:50-08:25
1 stop5h 35m
Best time to book a flight from San Francisco to Chicago
Have a flexible travel schedule? Discover the best time to fly to Chicago from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Chicago
How far ahead should I book a flight from San Francisco to Chicago?
Use this chart to determine the optimal time to book a return flight from San Francisco to Chicago. Price data was last updated on 27 June 2025.
The price you pay for your flight from San Francisco to Chicago may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest time of day to fly from SFO to CHI?
Find hourly flight availability from San Francisco to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.
When flying from San Francisco to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from San Francisco to Chicago
Explore weekly flight availability from San Francisco to Chicago. 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 4 July 2025.
The most flights from SFO to CHI are scheduled on a Wednesday (76 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).
Reviews of airlines servicing Chicago
Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 4 July 2025.
Read through reviews of airlines operating flights from San Francisco to Chicago, such as Alaska Airlines, Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Boarding
Entertainment
Overall
Food
Comfort
Crew
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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How does Cheapflights help users find flights from San Francisco to Chicago?
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Why should you use Cheapflights to find cheap flight tickets from San Francisco to Chicago?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Chicago.
Can Cheapflights find flights from San Francisco to Chicago with no change fees?
Yes! Cheapflights helps users easily find flights from San Francisco to Chicago with no change fees.
Can Cheapflights notify me if prices for flights from San Francisco to Chicago become cheaper?
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