If you're looking to fly from Chicago O'hare International Airport to Denver, you might like to know that 21 / Oct / 2025 currently has the cheapest flights. At the moment, there are three airlines flying to Denver. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Denver.
But it's still worth looking at other options, as there are 18 flights to Denver every week. If you want to broaden your search, look at flights departing from other airports.
The distance between Chicago O'hare International Airport to Denver is 1427 km. Normally, it takes about 10 hrs to fly, and you can definitely expect the journey to be at least 9 hrs 5 mins. You can see the various flight times in the results.
If you need somewhere to stay for your trip to the USA, take a look at our accommodation options.
