Skyscanner

Cheap flights from Denver International to Chicago O'Hare International

Travelers and cabin class

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 round-trip flight from Denver International to Chicago O'Hare International? Find the lowest prices on one-way and round-trip tickets right here.
Chicago.C$112 per passenger.Departing Sat, Apr 12, returning Sat, Apr 19.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, Apr 12, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Sat, Apr 19, arriving in Denver International.Price includes taxes and charges.From C$112, select.
Chicago.C$112 per passenger.Departing Sat, Mar 22, returning Wed, Mar 26.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, Mar 22, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Wed, Mar 26, arriving in Denver International.Price includes taxes and charges.From C$112, select.
Chicago.C$146 per passenger.Departing Sat, May 24, returning Sun, Jun 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, May 24, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Sun, Jun 1, arriving in Denver International.Price includes taxes and charges.From C$146, select.
Chicago.C$146 per passenger.Departing Sat, May 24, returning Mon, May 26.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Sat, May 24, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Mon, May 26, arriving in Denver International.Price includes taxes and charges.From C$146, select.
Chicago.C$170 per passenger.Departing Wed, Jun 4, returning Sat, Jun 7.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Wed, Jun 4, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Sat, Jun 7, arriving in Denver International.Price includes taxes and charges.From C$170, select.
Chicago.C$184 per passenger.Departing Thu, Jul 3, returning Sat, Jul 5.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Thu, Jul 3, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Sat, Jul 5, arriving in Denver International.Price includes taxes and charges.From C$184, select.
Chicago.C$192 per passenger.Departing Wed, Aug 6, returning Mon, Aug 11.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Wed, Aug 6, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Mon, Aug 11, arriving in Denver International.Price includes taxes and charges.From C$192, select.
Chicago.C$199 per passenger.Departing Thu, Jun 26, returning Thu, Jul 3.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Thu, Jun 26, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago O'Hare International on Thu, Jul 3, arriving in Denver International.Price includes taxes and charges.From C$199, select.

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 March.
Mar
from C$112
Apr
from C$112
May
from C$146
Jun
from C$170
Jul
from C$184
Aug
from C$192
Sep
from C$296
Oct
from C$297
Nov
from C$324
Dec
Find prices
Jan
from C$323
Feb
Find prices

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 foundC$112
Cheapest month to flyMarch
Average flight time2 hrs, 33 mins
Most popular airlineUnited
Average flights per week626

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

The best price we found for a round-trip flight from Denver International to Chicago O'Hare International is C$112. 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 33 minutes is the average flight time from Denver International to Chicago O'Hare International.
United, American Airlines and Iberia fly direct from Denver International to Chicago O'Hare International.
There are 626 flights per week flying from Denver International to Chicago O'Hare International, as of March 2025.
The cheapest month to fly from Denver International to Chicago O'Hare International is usually March 2025.
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 Saturday, March 22, 2025.
Yes – the average flight time is 2 hours and 33 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

  • The average length of a direct flight from Denver International Airport to O'Hare International Airport is 2 hours 32 minutes. Chicago's timezone is UTC-5, making Chicago 1 hour ahead of Denver.

  • Each week, there are 157 flights from Denver International Airport to O'Hare International Airport. The first flight from DEN to ORD is at 05:00 and the latest is at 22:11.

  • Planning to travel during a peak time like a public holiday? Expect longer lines at security and check-in. Give yourself extra leeway and arrive up to four hours before international flights and two hours before domestic departures.

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

    • Eppley Airfield

    • Lambert-St. Louis International Airport

    • Kansas City International Airport

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

  • The lowest price we've seen for a one-way ticket from Denver International Airport to O'Hare International Airport is C$56. For a return flight on this route, the best price is C$112. Depending on the availability and when you book, these fares could change.

  • Book 9 months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap flight tickets from DEN to ORD.

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

  • Finding a cheap ticket from DEN to ORD couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll let you know when the price has fallen.

  • Use filters to tailor your flights from Denver International Airport to O'Hare International Airport. Simply select your ideal departure and arrival times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to see the best deals.

Handy information about Denver International Airport (DEN)

  • The journey from central Denver to Denver International Airport takes approximately 1 hour and 31 minutes by public transport. If you drive, ride-share or hail a cab, you'll cover the 40 kilometres in 34 minutes or so, depending on traffic conditions.

  • Searching for a place to stay before your flight from Denver International Airport to O'Hare International Airport? Check out SpringHill Suites Denver Airport. Enjoy a good night's rest here before heading to DEN.

Arriving at O'Hare International Airport (ORD)

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

  • O'Hare International Airport is approximately 40 kilometres from central Chicago. With your own car rental or in a cab, the drive is around 35 minutes.

  • Traveling to the center on public transport takes about 54 minutes.

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

  • It's time to plan your trip dates for your flight from Denver International Airport to O'Hare International Airport. August is the busiest month to visit Chicago. If you want a more relaxed vibe, go in February.

  • Lock in your flight from Denver International Airport to O'Hare International Airport for July if you'd like to visit Chicago during its warmest month. You can expect temperatures of between 15ºC and 29ºC.

  • Look for cheap flight tickets from DEN to ORD in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC and 3ºC on average.

More about Chicago

Complete your Chicago trip with hotels and a car rental

  • Once you've secured your cheap ticket to O'Hare International Airport, check out the lowest prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one place to get the best car rental price for your Chicago trip.

More travel options

Tickets from JacksonCheap round-trip tickets from Frankfurt to Santorini (Thira)WestJet to Savannah / Hilton Head AirportRound-trip tickets from Khanty-MansiyskCheap tickets from Kos to Athens InternationalFlights from Larnaca to Athens InternationalFlights to ChurchillVirgin Australia ticketsCheap round-trip tickets to Massena
Cheap flights to TaiwanCheap tickets from New York Newark to MontrealRound-trip tickets from Montreal to Paris OrlyRound-trip tickets from Toronto to London LutonHiSky Europe cheap round-trip ticketsCheap round-trip tickets from Indonesia to ThailandRound-trip tickets from Manila Ninoy Aquino to Tokyo NaritaRound-trip tickets from London to HavanaRound-trip tickets from Paris to Stockholm
Kam Air round-trip ticketsTokyo car rentalCheap car rental at Belfast International AirportHilton Bangkok Grande AsokeCheap hotels in PortlandHotels in Saskatoon

Plan the rest of your trip from Denver to Chicago

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