Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Denver to Chicago is United Airlines.

  • United Airlines United Airlines
  • American Airlines American Airlines
  • Frontier Airlines Frontier Airlines
  • Denver Air Connection Denver Air Connection
  • Southwest Airlines Southwest Airlines
  • Alaska Airlines Alaska Airlines
  • JetBlue Airways JetBlue Airways
Cheapest Month July

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Denver to Chicago is July.

  • Feb 2025
  • Mar 2025
  • Apr 2025
  • May 2025
  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
Cheapest Day of the Week Wednesday

The cheapest day(s) of the week to fly from Denver to Chicago is Wednesday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday
What’s the most popular airline flying from Denver to Chicago?

The most popular airline flying from Denver to Chicago is United Airlines. Find the latest flight deals on Wego.

How far is Chicago from Denver?

The flight distance between Denver and Chicago is 1477km. Check all available flights on Wego.