Cheap Flights from Denver International to Chicago O'Hare International

Compare Denver International to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Denver International to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Chicago O'Hare International Airport? If you want to travel next month, return fares start from R 2,425. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Denver International to Chicago O'Hare International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Chicago O'Hare International flights are currently cheapest in June.

Direct flights from Denver International to Chicago O'Hare International

Denver International to Chicago O'Hare International: Alternative routes

Compare routes from Denver International to Chicago below. You may find an airport to fly into that's cheaper, faster, or easier than Chicago O'Hare International.

Denver to Chicago: Flight information

The things to know before you go.
Cheapest flight foundR 927
Cheapest month to flyJune
Average flight time2 hrs, 42 mins
Most popular airlineAmerican Airlines
Average flights per week546

Finding cheap flights from Denver International to Chicago O'Hare International: Frequently asked questions

The best price we found for a return flight from Denver International to Chicago O'Hare International is R 1,938. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 42 minutes is the average flight time from Denver International to Chicago O'Hare International.
American Airlines, United and Air Canada fly direct from Denver International to Chicago O'Hare International.
As of June 2026, there are 546 flights per week flying from Denver International to Chicago O'Hare International.
The cheapest month to fly from Denver International to Chicago O'Hare International is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Chicago O'Hare International Airport on Tuesday, 4 August 2026.
Yes – the average flight time is 2 hours and 42 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Chicago O'Hare International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Chicago O'Hare International.

Flying from Denver International Airport (DEN) to O'Hare International Airport (ORD): what you need to know

  • Around 2 hours 30 minutes is how long you can expect to be in the air on a direct flight from Denver International Airport to O'Hare International Airport.

  • Chicago's timezone is UTC-5, making Chicago one hour ahead of Denver.

  • Flights from DEN to ORD start from 05:36 — the earliest with American Airlines. The latest departure is at 21:27 with Frontier Airlines. Overall, there are 157 weekly Denver International Airport to O'Hare International Airport flights.

  • Leave enough time to make your DEN to ORD flight. Generally, it's best to arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines in popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a good idea.

  • You'll find a variety of airlines operating direct flights from Denver International Airport to O'Hare International Airport. When you're ready to start your Chicago holiday, let one of these carriers take you to this popular corner of United States:

  • The airline with the highest number of bookings on this route is American Airlines.

  • American Airlines is the most punctual carrier that offers DEN to ORD flights. A reliable 89.29% of its departures on this route land on time.

  • Think about adding a stopover when booking your ticket from Denver International Airport to O'Hare International Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between DEN and ORD:

    • Eppley Airfield Airport

    • Kansas City International Airport

    • Lambert-St. Louis International Airport

How to find the cheapest flights from Denver International Airport (DEN) to O'Hare International Airport (ORD)

  • The cheapest price we've seen for a one-way Denver International Airport to O'Hare International Airport flight is R 927. A round-trip fare is currently R 1,938. Depending on the availability when you book, these fares could change.

  • Score cheap tickets from DEN to ORD by booking six months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for flights from Denver International Airport to O'Hare International Airport is May. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • Getting your hands on cheap flights from DEN to ORD is a cinch with Price Alerts. All you need to do is set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Tailor your flights using filters. Pick your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best' flights from Denver International Airport to O'Hare International Airport.

Handy information about Denver International Airport (DEN)

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport scores high marks for its on-time performance. 80.23% of flights that depart DEN arrive at their destination without delay.

  • To reach Denver International Airport from central Denver, it takes around 35 minutes if you're going by car. This depends on traffic though. It's approximately 40 kilometres from the airport to the city centre.

  • Taking public transport? You can expect a journey time of around 1 hour 30 minutes.

  • Want a hotel to stay in before your flight from Denver International Airport to O'Hare International Airport? Check out Baymont by Wyndham Denver International Airport. Enjoy a good night's rest here before making your way to DEN.

Arriving at O'Hare International Airport (ORD)

Getting from O'Hare International Airport (ORD) to central Chicago

  • You'll find ORD at 10000 West O'Hare.

  • O'Hare International Airport is roughly 40 kilometres from the centre of Chicago. Driving there takes about 35 minutes.

  • When travelling by public transport, expect a journey time of around 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • It's time to pick your travel dates for your flight from Denver International Airport to O'Hare International Airport. August is the most popular month to visit Chicago. If you like a more laid-back vibe, go in January.

  • The warmest month in Chicago is July, with temperatures ranging between 15ºC (59ºF) and 29ºC (84ºF). Lock in your flights from Denver International Airport to O'Hare International Airport in this month if this is the kind of weather you like.

  • If you want cooler conditions, search for a cheap ticket from DEN to ORD in January. Average temperatures are between -12ºC (10ºF) and 3ºC (37ºF) then.

Explore more of United States

  • Chicago is always a good idea, but there are so many other parts of United States just waiting to be explored. Around 451 kilometres south-east of Chicago, a trip to Columbus will keep you busy. Start with attractions like Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

  • If you're ready to explore another major stop in United States, consider Indianapolis, about 257 kilometres south-east of Chicago. The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.