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Cheap flights from Chicago O'Hare International to Denver International

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Compare Chicago O'Hare International to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Chicago O'Hare International to Denver International

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International to Denver International? Find the lowest prices on one-way and return tickets right here.
Denver.P6,569 per passenger.Departing Fri, 30 May, returning Fri, 30 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Fri, 30 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 30 May, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,569, select.
Denver.P6,569 per passenger.Departing Mon, 26 May, returning Mon, 2 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 26 May, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 2 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,569, select.
Denver.P6,630 per passenger.Departing Sat, 26 Jul, returning Sat, 9 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 26 Jul, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sat, 9 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,630, select.
Denver.P6,630 per passenger.Departing Sat, 9 Aug, returning Tue, 12 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 9 Aug, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Tue, 12 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,630, select.
Denver.P6,632 per passenger.Departing Sat, 7 Jun, returning Mon, 9 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 7 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 9 Jun, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,632, select.
Denver.P6,969 per passenger.Departing Sat, 12 Jul, returning Mon, 14 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 12 Jul, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 14 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From P6,969, select.
Denver.P7,995 per passenger.Departing Sun, 29 Jun, returning Fri, 4 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 29 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Fri, 4 Jul, arriving in Chicago O'Hare International.Price includes taxes and charges.From P7,995, select.
Denver.P8,315 per passenger.Departing Sun, 29 Jun, returning Mon, 4 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 29 Jun, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 4 Aug, arriving in Chicago O'Hare International.Price includes taxes and charges.From P8,315, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Denver International flights are currently cheapest in May.
Apr
from P13,920
May
from P6,569
Jun
from P6,632
Jul
from P6,969
Aug
from P6,630
Sep
from P9,009
Oct
from P11,415
Nov
from P11,520
Dec
Find prices
Jan
from P13,796
Feb
from P16,600
Mar
Find prices

Direct flights from Chicago O'Hare International to Denver International

Chicago O'Hare International to Denver International: Alternative routes

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

Chicago to Denver: Flight information

The things to know before you go.
Cheapest flight foundP6,569
Cheapest month to flyMay
Average flight time2 hrs, 49 mins
Most popular airlineUnited
Average flights per week386

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

The best price we found for a return flight from Chicago O'Hare International to Denver International is P6,569. 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 49 minutes is the average flight time from Chicago O'Hare International to Denver International.
United, American Airlines and Iberia fly direct from Chicago O'Hare International to Denver International.
As of April 2025, there are 386 flights per week flying from Chicago O'Hare International to Denver International.
The cheapest month to fly from Chicago O'Hare International to Denver International is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Denver International Airport on Friday, 30 May 2025.
Yes – the average flight time is 2 hours and 49 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 Denver 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 Denver 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 Denver International.

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

  • The average duration of a direct flight from O'Hare International Airport to Denver International Airport is 2 hours 45 minutes.

  • The timezone in Denver is UTC-6, which is one hour behind Chicago.

  • You can choose from 313 weekly O'Hare International Airport to Denver International Airport flights. The 05:00 departure with United Airlines is the earliest flight available. Frontier Airlines operates the latest service of the day at 22:11.

  • To ensure you catch your ORD to DEN flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • Travelling during a peak time like August? Major public holidays and other popular periods can mean longer queues at airport checkpoints. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • A number of airlines offer direct flights from O'Hare International Airport to Denver International Airport, so getting to Denver (and then exploring more of United States!) is easy. Top carriers that fly nonstop include:

  • The airline with the highest booking volume on this route is American Airlines.

  • Southwest Airlines is the most punctual carrier offering ORD to DEN flights. An exceptional 85.78% of its services on this route land on time.

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

    • Eppley Airfield Airport

    • General Mitchell International Airport

    • Kansas City International Airport

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

  • The cheapest price we've seen for a one-way O'Hare International Airport to Denver International Airport flight is P3,209. A round-trip fare right now is P6,569. Depending on the availability and when you book, these fares may change.

  • Get cheap tickets from ORD to DEN by booking five months ahead. According to our research, that's the sweet spot for finding the biggest deals.

  • The cheapest month for flights from O'Hare International Airport to Denver International Airport is April. Use the 'Whole month' tool to find the lowest prices if you have flexible travel dates.

  • There's no need to check every day to see if fares have dropped when you create a Price Alert. We'll update you the moment there's a better deal on cheap flights from ORD to DEN.

  • Discover the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from O'Hare International Airport to Denver International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about O'Hare International Airport (ORD)

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

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights stick to their scheduled arrival time.

  • To reach O'Hare International Airport from central Chicago, it takes around 35 minutes if you're planning to drive. This depends on traffic though. It's approximately 40 kilometres from the airport to the city centre.

  • Planning to catch public transport? You can expect a journey time of around 55 minutes.

  • Get your break off to a hassle-free start by staying near ORD. Whether you're taking an early flight from O'Hare International Airport to Denver International Airport or want to avoid feeling rushed, these stays are perfect:

Arriving at Denver International Airport (DEN)

  • Get off your O'Hare International Airport to Denver International Airport flight and be snoozing in your hotel bed shortly after. If you need a convenient option within easy reach of DEN, make your way to Baymont by Wyndham Denver International Airport.

  • Grab a Denver International Airport rental car and discover Denver and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are top outlets you can book with here.

  • To secure the lowest price, reserve your ride from Denver International Airport about one week in advance.

Getting from Denver International Airport (DEN) to central Denver

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport is roughly 40 kilometres from central Denver. Driving there takes about 35 minutes.

  • If you're travelling on public transport, expect a journey of about 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • July is the busiest month for flights from O'Hare International Airport to Denver International Airport. To skip the crowds, visit Denver in April.

  • Lock in your flight from O'Hare International Airport to Denver International Airport for July if you want to visit Denver during its warmest month. You can expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).

  • If you like travelling in cooler conditions, look for a cheap ticket from ORD to DEN in January. Average temperatures are between -9ºC (16ºF) and 7ºC (45ºF) then.

Explore more of United States

  • Denver has its own special appeal, but there are so many other parts of United States just waiting to be explored. Around 105 kilometres south of Denver, a visit to Colorado Springs will keep you on the go. Start with popular sights like US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Start your sightseeing at Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

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Plan the rest of your trip from Chicago to Denver

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.