Cheap flights from San Francisco to Chicago
From 148 USD — compare hundreds of airlines
About this route
Compare flights from San Francisco to Chicago, a about 2,985 km route (around 4h 14m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Alaska Airlines, United Airlines operate this route.
Prices by date
Airlines on this route
FAQ
What's the cheapest month to fly San Francisco to Chicago?
It's usually 2026-07, from 120 USD. Use the price calendar to compare other dates.
How long is the flight from San Francisco to Chicago?
A nonstop flight takes about 4h 14m and covers around 2,985 km. Connecting itineraries take longer.
Are there direct flights from San Francisco to Chicago?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from San Francisco to Chicago?
American Airlines, Alaska Airlines, United Airlines, Silk Avia operate this route, among others. Compare them all in the results.
When should I book San Francisco–Chicago flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.