Helping travelers to find the best flight offers
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to San Francisco. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A direct flight is the most convenient and comfortable way to fly from Chicago to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Chicago to San Francisco:
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We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The route Chicago — San Francisco is served by many carriers — 7 in total, including United Airlines, American Airlines, Southwest Airlines, Alaska Airlines, Frontier Airlines, Spirit Airlines, and Sun Country Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $63) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
Chicago — San Francisco
12/17/2025
Departure
Direct flight
UA1406
Starting at $332
Chicago — San Francisco
12/19/2025
Departure
Direct flight
AA928
Starting at $271
Chicago — San Francisco
12/07/2025
Departure
Direct flight
UA636
Starting at $265
Chicago — San Francisco
12/07/2025
Departure
Direct flight
WN3780
Starting at $552
Chicago — San Francisco
12/11/2025
Departure
Direct flight
UA1498
Starting at $229
Chicago — San Francisco
12/12/2025
Departure
Direct flight
WN3780
Starting at $352
Chicago — San Francisco
12/13/2025
Departure
Direct flight
UA2465
Starting at $203
Chicago — San Francisco
12/18/2025
Departure
Direct flight
UA343
Starting at $291
Chicago — San Francisco
12/20/2025
Departure
Direct flight
UA1442
Starting at $376
Chicago — San Francisco
12/24/2025
Departure
Direct flight
UA505
Starting at $351
United Airlines
Every day
Starting at $228
The cheapest one-way flight from Chicago to San Francisco departs on 01/28/2026, is operated by Alaska Airlines and costs $63
The cheapest roundtrip flight from Chicago to San Francisco departs on 01/31/2026, is operated by Frontier Airlines and costs $154
Fastest flight from Chicago to San Francisco takes 6h 40m
Starting at $148
Starting at $271
Starting at $170
Starting at $63
Starting at $123
Starting at $137
Starting at $175
There are no direct flights on this route.
The distance between Chicago and San Francisco is 2984km (1850 miles). There are 111 direct flights from Chicago to San Francisco. The time difference between Chicago and San Francisco is 2h. Flights from Chicago begin at 6:15 AM. The latest flight from Chicago departs at 9:10 PM
We couldn't find any special offers for flights from Chicago to San Francisco
The cheapest flight ticket from Chicago to San Francisco according to data for the last 48 hours costs $63
Often the best time to buy tickets from Chicago to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to San Francisco can be found flying in these months: February, December, January.
The fastest flights from Chicago to San Francisco start from 6 hours 40 minutes in the air.
The following airlines operate direct flights on the route Chicago — San Francisco: United Airlines, American Airlines, Southwest Airlines
In different months, ticket prices from Chicago to San Francisco vary: minimum — $65 (February 2026), maximum — $263 (January 2026). Typically, the flight costs $153–$395.