What's the cheapest day to fly in January?

We don't have enough real fare data for January to identify a cheapest weekday.

Is January a good time to visit Chicago?

Check the real weather data above for Chicago in January — we don't have crowd or event data to add beyond that.

Should I book now or wait?

There's no reliable way to predict whether a specific fare will rise or fall. If the real January fares above already fit your budget, booking removes the risk of the price changing.

Search Denver → Chicago in January

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Flights from Denver to Chicago in January

Planning a trip from Denver to Chicago in January? Find the best flights and seasonal tips. Flight time: 2h 30m.

Flying in January

Chicago typically sees daytime highs around 0°C and overnight lows around -7°C in January, based on the last 3 years. Expect roughly 77 mm of rain across the month.