Chicago to Denver from €25 - Save up to 63%!

Adventure awaits in the Mile High City! We've uncovered an incredible deal for one-way flights from Chicago (ORD) to Denver (DEN) for an astonishingly low €25! That's right, you can save up to a massive 63% off typical prices, making this the perfect opportunity to explore the vibrant city life and breathtaking natural beauty of Colorado.

This fantastic offer is available for select departure dates in May 2026: May 5th, May 6th, May 12th, and May 13th. May is an ideal time to visit Denver, as the weather is typically mild and pleasant, perfect for hiking in the nearby Rocky Mountains, exploring Red Rocks Amphitheatre, or enjoying the city's renowned craft breweries and culinary scene. Whether you're planning a quick solo trip, meeting up with friends, or starting a longer Colorado adventure, these one-way economy flights provide unbeatable value. Don't let this limited-time offer pass you by – these prices won't last!

To snag this deal, act fast! Click through to our booking links and select your preferred travel date. With such a significant discount, these seats are expected to sell out quickly. Remember, this is a one-way fare, giving you ultimate flexibility for your return journey. Happy travels!