Denver to Chicago

1 ways to travelfastest 2h 20mfly from €60
Photo: Pedro Lastra / Unsplash

How the cheapest fare moved

Sep 16: €51 €51 Sep 10 Sep 16 low €51 · high €140

Departure-day prices · September 2025 Denver → Chicago

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Return-day prices · September 2025 Chicago → Denver

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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 €88 and ~18°C daytime.

Flights from Denver to Chicago start around €60 (direct flights available). Range seen recently: €60–88, based on 4 fares found by travellers.

Fly (from €60)
2h 20mduration
€60–88recent fares
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Cheapest cached fares Denver → Chicago; direct flights available (e.g. F9). · 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.

Nov 13 – Nov 15 Frontier Airlines · Direct · 2h 26m €136 Book
Mar 11 – Mar 14 Frontier Airlines · Direct · 2h 27m €289 Book
Sep 18 – Sep 21 Frontier Airlines · Direct · 2h 28m €291 Book
Sep 25 – Sep 27 Frontier Airlines · Direct · 2h 28m €351 Book

Weather in Chicago

Wed 🌦️ 22° 18° 💧47%
Thu 🌦️ 20° 17° 💧62%
Fri 🌦️ 21° 17° 💧8%
Sat 🌧️ 22° 17° 💧65%
Sun 🌧️ 20° 17° 💧65%
Mon 🌧️ 16° 15° 💧45%
Tue 🌦️ 19° 15° 💧31%

In Sep, Chicago typically sees ~25°C daytime highs and 6 rainy days.

Good to know

Time difference+1h
Time in the air2h 26m

Things to do in Chicago

Top-rated tours and tickets from €31 — 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 Denver

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 2026-09-16. Some links earn Stayonomy a commission at no cost to you.