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Chicago to San Francisco is a 2,964 km route with a -2 hour timezone difference. Most flights have 1 stop. The shortest flight time we've seen is 5h 42m, with an average of 5h 50m.
The cheapest economy flight we're currently tracking is $242. Over the last 30 days, prices have dropped 4.9% (recent average: $298).
Airlines operating Chicago to San Francisco include Frontier. We're tracking trips ranging from 7 to 30 days.
We'll notify you when fares on ORD→SFO drop.