starting at $162
starting at $126
starting at $121
starting at $93
starting at $111
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.
In different months, ticket prices from Chicago to San Francisco vary: minimum — $128 (October 2026), maximum — $204 (June 2027). Typically, the flight costs $165–$344.
A non-stop 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.
The only airline operating direct flights from Chicago to San Francisco is American Airlines. Flights operate every day.
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Answers to questions about the route that travelers are most interested in.
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 Chicago — San Francisco route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.
Prices rise from October 2026 to June 2027 (+59%), then decline from June 2027 to August 2027 (11%). The cheapest tickets are in October 2026–November 2026 (averaging $135), while the priciest are in June 2027–July 2027 ($195).
For savings, plan your flight for October 2026–November 2026 — you could save up to 31%. Try to avoid June 2027–July 2027 when possible: prices are at their highest then.
Price spread on this route is 15.2%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
The route Chicago — San Francisco is served by many carriers — 5 in total, including United Airlines, Southwest Airlines, American Airlines, Frontier Airlines, and Alaska Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $93) 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.
starting at $162
starting at $126
starting at $121
starting at $93
starting at $111
Chicago — San Francisco
07/17/2027
Departure
Direct flight
UA649
starting at $281
Chicago — San Francisco
11/08/2026
Departure
Direct flight
UA638
starting at $296
Chicago — San Francisco
11/18/2026
Departure
Direct flight
WN1536
starting at $126
Chicago — San Francisco
11/15/2026
Departure
Direct flight
UA649
starting at $162
Chicago — San Francisco
10/29/2026
Departure
Direct flight
WN4327
starting at $287
Chicago — San Francisco
11/16/2026
Departure
Direct flight
AA1253
starting at $121
Chicago — San Francisco
06/09/2027
Departure
Direct flight
UA246
starting at $202
Chicago — San Francisco
03/24/2027
Departure
Direct flight
AA3168
starting at $212
Chicago — San Francisco
03/31/2027
Departure
Direct flight
UA649
starting at $226
Chicago — San Francisco
12/02/2026
Departure
Direct flight
UA2347
starting at $308
American Airlines
Every day
starting at $184
The cheapest flight ticket from Chicago to San Francisco according to data for the last 48 hours costs $93
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: October, November, December.
The fastest flights from Chicago to San Francisco start from 6 hours 46 minutes in the air.
The following airlines operate direct flights on the route Chicago — San Francisco: United Airlines, Southwest Airlines, American Airlines
The cheapest one-way flight from Chicago to San Francisco departs on 11/16/2026, is operated by Frontier Airlines and costs $93
The cheapest roundtrip flight from Chicago to San Francisco departs on 11/09/2026, is operated by Frontier Airlines and costs $265
Fastest flight from Chicago to San Francisco takes
All airports
There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa
The distance between Chicago and San Francisco is 2984km (1850 miles). The average flight duration is 4h 58m. There are 175 direct flights from Chicago to San Francisco. The time difference between Chicago and San Francisco is 2h. Flights from Chicago begin at 6:00 AM. The latest flight from Chicago departs at 9:57 PM
We couldn't find any special offers for flights from Chicago to San Francisco