San Francisco to Chicago

1 ways to travelfastest 5h 33mfly from €92
Photo: Pedro Lastra / Unsplash

How the cheapest fare moved

Sep 8: €104 €104 Sep 1 Sep 8 low €92 · high €169

Departure-day prices · September 2026 San Francisco → Chicago

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Return-day prices · September 2026 Chicago → San Francisco

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Best time to visit Chicago — climate

Jan: ~-2°C daytime, 6 rainy days -2° JanFeb: ~0°C daytime, 6 rainy days FebMar: ~11°C daytime, 11 rainy days 11° MarApr: ~14°C daytime, 9 rainy days 14° AprMay: ~17°C daytime, 9 rainy days 17° MayJun: ~27°C daytime, 11 rainy days 27° JunJul: ~29°C daytime, 15 rainy days 29° JulAug: ~26°C daytime, 6 rainy days 26° AugSep: ~24°C daytime, 5 rainy days 24° SepOct: ~18°C daytime, 6 rainy days 18° OctNov: ~9°C daytime, 9 rainy days NovDec: ~1°C daytime, 12 rainy days Dec

Best value: Oct — fares from €98 and ~18°C daytime.

Flights from San Francisco to Chicago start around €92 (typically 1 stop). Range seen recently: €92–108, based on 4 fares found by travellers.

Fly (from €92)
5h 33mduration
€92–108recent fares
Book
Cheapest cached fares San Francisco → Chicago; typically 1 stop (e.g. AS). · Based on 4 fares found by travellers in the last 48h

Cheapest round trips to Chicago

Fares found by travellers in the last 48 hours — refreshed daily.

Sep 22 – Sep 24 Frontier Airlines · 1 stop · 7h 01m €124 Book
Nov 12 – Nov 16 Frontier Airlines · 1 stop · 5h 27m €191 Book
Sep 25 – Sep 27 Frontier Airlines · 1 stop · 6h 13m €258 Book
Jan 15 – Jan 18 Southwest Airlines · Direct · 4h 10m €294 Book
Sep 14 – Sep 15 Frontier Airlines · 1 stop · 5h 34m €315 Book
Mar 11 – Mar 14 Alaska Airlines · 1 stop · 5h 54m €320 Book
Mar 12 – Mar 15 American Airlines · Direct · 4h 34m €322 Book

Weather in Chicago

Tue ☁️ 28° 17° 💧3%
Wed 🌦️ 27° 21° 💧43%
Thu ☁️ 23° 20° 💧10%
Fri ☀️ 25° 18° 💧2%
Sat 🌧️ 27° 20° 💧18%
Sun 🌦️ 25° 19° 💧25%
Mon 🌧️ 26° 21° 💧33%

In Sep, Chicago typically sees ~24°C daytime highs and 5 rainy days.

Where to stay in Chicago

3★+ hotels from €113/night (40 hotels sampled, ~3 weeks out).

Warwick Allerton Chicago hotel · Chicago
from €113/night★ 4
Hotel Saint Clair - Magnificent Mile hotel · Chicago
from €154/night★ 4
River Hotel hotel · Chicago
from €190/night★ 4

Good to know

Time difference+2h
Time in the air4h 10m

Things to do in Chicago

Top-rated tours and tickets from €30 — book ahead for the popular ones.

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

About Chicago

Chicago is the home of the blues and the truth of jazz, the heart of comedy and the idea of the skyscraper. Here, the age of railroads found its center, and airplanes followed suit. "Stormy, Husky, Brawling / City of Big Shoulders," Chicago is a Heartland boomtown, its ethos defined by urban planner Daniel Burnham's immortal vision: "Make no little plans; they have no magic to stir men's blood." It is one of the world's great cities and the third largest city in the United States, behind only New York City and Los Angeles. As the hub of the Mid…

Read the full Chicago guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

Popular from San Francisco

Cheapest destinations travellers searched recently — refreshed daily.

Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-09-08. Some links earn Stayonomy a commission at no cost to you.