Fare Guide
Estimated lowest fares found within 7 days
Cheapest Airline
The cheapest airline(s) flying from Chicago to San Francisco is United Airlines.
Cheapest Month
April
Travel Period: February 2025 - January 2026
The cheapest month(s) to fly from Chicago to San Francisco is April.
Cheapest Day of the Week
Wednesday
The cheapest day(s) of the week to fly from Chicago to San Francisco is Wednesday.
What’s the most popular airline flying from Chicago to San Francisco?
The most popular airline flying from Chicago to San Francisco is United Airlines. Find the latest flight deals on Wego.
How far is San Francisco from Chicago?
The flight distance between Chicago and San Francisco is 2985km. Check all available flights on Wego.
