Cheap Flights from Denver International to Chicago O'Hare International

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      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

      Book the best Chicago O'Hare International fare with no extra fees

      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 Rs29,961. 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 September.

      Direct flights from Denver International to Chicago O'Hare International

      Aer Lingus
      Air Canada
      American Airlines
      Austrian Airlines
      British Airways
      Brussels Airlines
      Cathay Pacific
      Copa
      Emirates
      Finnair
      Frontier Airlines
      Gulf Air
      Iberia
      Japan Airlines
      Lufthansa
      Porter Airlines
      Qatar Airways
      Royal Jordanian
      SWISS
      Turkish Airlines
      United
      Volaris

      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 foundRs14,477
      Cheapest month to flySeptember
      Average flight time2 hrs, 42 mins
      Most popular airlineAmerican Airlines
      Average flights per week549

      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 Rs29,736. 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 August 2026, there are 549 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 October.
      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 Wednesday, 28 October 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.

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

      • The average time for a direct flight from Denver International Airport to Chicago O'Hare International Airport is 2 hours 35 minutes.

      • Chicago is one hour ahead of Denver and observes the UTC-6 timezone.

      • Choose from 120 weekly Denver International Airport to Chicago O'Hare International Airport flights. The 05:30 departure with American Airlines is the earliest flight available. Frontier Airlines operates the latest service of the day at 21:08.

      • Arrive at the airport on time so you don't miss your DEN to ORD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

      • Be prepared for longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures will give you ample time for security and boarding.

      • With direct flights from Denver International Airport to Chicago O'Hare International Airport operated by a number of airlines, flying to Chicago (and then other corners of the United States) is easy. You can fly nonstop with:

      • Most travellers choose to travel with United on this route.

      • With an impressive 80.36% of services arriving as scheduled, Southwest Airlines has the best on-time performance for DEN to ORD flights.

      • We make it easy to book a flight with a stopover. To see your options for tickets from Denver International Airport to Chicago O'Hare International Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to explore your chosen city. Worthwhile stopovers between DEN and ORD include:

        • St Louis Airport

        • Kansas City International Airport

        • Omaha Eppley Airfield Airport

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

      • The cheapest price we've found for a one-way Denver International Airport to Chicago O'Hare International Airport flight is Rs14,421. A round-trip ticket is currently Rs29,736. Depending on the availability when you book, these fares could change.

      • It's a good idea to book in advance if you're looking for cheap tickets from DEN to ORD. That's because airlines change prices based on demand, which tends to increase closer to departure.

      • Plan your trip for May. That's the cheapest month for flights from Denver International Airport to Chicago O'Hare International Airport. If your travel dates are flexible, use the 'Whole month' tool to see the cheapest price across each month.

      • Spend less time searching for cheap flights from DEN to ORD by creating a Price Alert. You'll get an email or notification through the app when a new discounted fare appears.

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

      Handy information about Denver International Airport (DEN)

      • DEN is located at 8500 Pena Boulevard.

      • 80% of flights departing from Denver International Airport arrive at their destination according to schedule. With its strong performance rating, disruptions are unlikely when jetting out of DEN.

      • To get to Denver International Airport from central Denver, it'll take around 35 minutes if you're planning to drive. Of course, this depends on traffic conditions. It's approximately 40 kilometres from the airport to the city centre.

      • The journey on public transport takes roughly 35 minutes.

      • Staying the night at a hotel can take the hassle out of getting to the airport on time. If you're looking for a place to stay before your flight from Denver International Airport to Chicago O'Hare International Airport, take a look at Baymont by Wyndham Denver International Airport. It's a short ride from DEN.

      Arriving at Chicago O'Hare International Airport (ORD)

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

      • The street address for ORD is 10000 West O'Hare.

      • Chicago O'Hare International Airport is roughly 27 kilometres from the centre of Chicago. The drive time takes about 30 minutes.

      • If you're taking public transport, expect a journey of around 45 minutes.

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

      • July is the most popular month for flights from Denver International Airport to Chicago O'Hare International Airport. To skip the crowds, travel to Chicago in March.

      • Book your flight from Denver International Airport to Chicago O'Hare International Airport for July if you want to visit Chicago during its warmest month. You can expect temperatures of between 16ºC and 28ºC.

      • If you like cooler conditions, search for a cheap ticket from DEN to ORD in January. Temperatures average between -12ºC and 3ºC then.

      Explore more of the United States

      • You've seen Chicago, now it's time to explore other corners of the United States. Travel about 451 kilometres south-east to Columbus to check off its popular sights. From Franklin Park Conservatory and Botanical Gardens to Whetstone Park / Park of Roses and Ohio Theatre, there's plenty to keep you on the go.

      • If you're ready to explore another side of the United States, consider Indianapolis, roughly 257 kilometres south-east of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are among the biggest draws.

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