88 € Cheap Flights from Denver International to Chicago

Compare Denver International to Chicago flight deals

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Flight deals from Denver International to Chicago

Looking for a cheap last-minute deal or the best return flight from Denver International Airport to Chicago? If you want to travel next month, return fares start from 112 €. Find the lowest prices on one-way and return tickets right here.

Chicago.88 € per passenger.Departing Wed, 5 Aug, returning Mon, 10 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 5 Aug, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 10 Aug, arriving in Denver International.Price includes taxes and charges.From 88 €, select.

Chicago.92 € per passenger.Departing Mon, 9 Nov, returning Thu, 12 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 9 Nov, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Thu, 12 Nov, arriving in Denver International.Price includes taxes and charges.From 92 €, select.

Chicago.93 € per passenger.Departing Wed, 16 Sep, returning Tue, 22 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 16 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 22 Sep, arriving in Denver International.Price includes taxes and charges.From 93 €, select.

Chicago.100 € per passenger.Departing Sat, 3 Oct, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 3 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 6 Oct, arriving in Denver International.Price includes taxes and charges.From 100 €, select.

Chicago.102 € per passenger.Departing Tue, 29 Sep, returning Tue, 6 Oct.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 29 Sep, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 6 Oct, arriving in Denver International.Price includes taxes and charges.From 102 €, select.

Chicago.105 € per passenger.Departing Fri, 31 Jul, returning Tue, 18 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 31 Jul, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 18 Aug, arriving in Denver International.Price includes taxes and charges.From 105 €, select.

Chicago.112 € per passenger.Departing Tue, 14 Jul, returning Tue, 21 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 14 Jul, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 21 Jul, arriving in Denver International.Price includes taxes and charges.From 112 €, select.

Chicago.114 € per passenger.Departing Sat, 29 Aug, returning Wed, 2 Sep.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 29 Aug, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 2 Sep, arriving in Denver International.Price includes taxes and charges.From 114 €, select.

Chicago.119 € per passenger.Departing Thu, 29 Oct, returning Mon, 2 Nov.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 29 Oct, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 2 Nov, arriving in Denver International.Price includes taxes and charges.From 119 €, select.

Chicago.162 € per passenger.Departing Sat, 20 Jun, returning Sat, 4 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 20 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 4 Jul, arriving in Denver International.Price includes taxes and charges.From 162 €, select.

Chicago.180 € per passenger.Departing Sat, 27 Jun, returning Wed, 12 Aug.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 27 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 12 Aug, arriving in Denver International.Price includes taxes and charges.From 180 €, select.

Chicago.204 € per passenger.Departing Thu, 10 Dec, returning Sun, 13 Dec.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Denver International on Thu, 10 Dec, arriving in Chicago Midway.Inbound direct flight with Southwest Airlines departs from Chicago Midway on Sun, 13 Dec, arriving in Denver International.Price includes taxes and charges.From 204 €, select.

Chicago.204 € per passenger.Departing Fri, 19 Jun, returning Tue, 23 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 19 Jun, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 23 Jun, arriving in Denver International.Price includes taxes and charges.From 204 €, select.

Chicago.212 € per passenger.Departing Wed, 24 Feb, returning Wed, 17 Mar.Return flight with United.Outbound direct flight with United departs from Denver International on Wed, 24 Feb, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 17 Mar, arriving in Denver International.Price includes taxes and charges.From 212 €, select.

Chicago.213 € per passenger.Departing Wed, 13 Jan, returning Wed, 27 Jan.Return flight with United.Outbound direct flight with United departs from Denver International on Wed, 13 Jan, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 27 Jan, arriving in Denver International.Price includes taxes and charges.From 213 €, select.

Chicago.221 € per passenger.Departing Thu, 19 Nov, returning Wed, 2 Dec.Return flight with United.Outbound direct flight with United departs from Denver International on Thu, 19 Nov, arriving in Chicago O'Hare International.Inbound direct flight with United departs from Chicago O'Hare International on Wed, 2 Dec, arriving in Denver International.Price includes taxes and charges.From 221 €, select.

Find the cheapest month to fly from Denver International to Chicago

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

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Direct flights from Denver International to Chicago

Alternative Denver International to Chicago routes

Looking for the cheapest, fastest or easiest route from Denver International to Chicago? You could fly into the following airports instead.

Denver to Chicago: Flight information

The things to know before you go.

Cheapest flight found	88 €
Cheapest month to fly	August
Average flight time	2 hrs, 32 mins
Most popular airline	Southwest Airlines
Average flights per week	547

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

How many airports are there in Chicago?

There are 4 airports in Chicago: Chicago Midway, Chicago O'Hare International, Chicago Dupage County, and Chicago Rockford.

How much are return flights from Denver International to Chicago?

The best price we found for a return flight from Denver International to Chicago is 88 €. 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.

How long does it take to fly from Denver International to Chicago?

2 hours and 31 minutes is the average flight time from Denver International to Chicago.

Which airlines fly direct from Denver International to Chicago?

Southwest Airlines, American Airlines and United fly direct from Denver International to Chicago.

How many flights are there a week from Denver International to Chicago?

As of June 2026, there are 1,094 flights per week flying from Denver International to Chicago.

When is the cheapest time to fly from Denver International to Chicago?

The cheapest month to fly from Denver International to Chicago is usually August.

Which is the cheapest airport to fly into in Chicago?

If you're flying from Denver International Airport, the cheapest airport near Chicago is Chicago O'Hare International – which is 25.4 km away from the centre of Chicago. We've found flights into this airport from 88 €.

Which upcoming date is cheapest to fly from Denver International Airport to Chicago on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Chicago on Wednesday, 5 August 2026.

Can I get a direct flight from Denver International Airport to Chicago?

Yes – the average flight time is 2 hours and 31 minutes.

How can I get the best flight deal from Denver International Airport to Chicago?

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 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.

When is the best time to book flights to Chicago?

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.

What’s the weather like in Chicago?

In June, the average temperature is usually around 19°C. July is typically the warmest month in Chicago, when it usually averages around 26°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is August.

Which is the cheapest airline to fly from Denver International Airport to Chicago with?

Currently, Frontier Airlines offers the cheapest flight tickets to Chicago.

Travelling from Denver International Airport (DEN) to Chicago: what you need to know

Book a direct flight from Denver International Airport to Chicago and you'll be in the air for an average of 2 hours 45 minutes.
The timezone in Chicago is UTC-6. The city is one hour ahead of Denver, where Denver International Airport is located.
Denver International Airport (DEN) to Chicago O'Hare International Airport (ORD) is the most popular route, with 103 flights a week to pick from. If you have things to do before heading off, the last flight from DEN to ORD is with Frontier Airlines at 21:08. Go for the first departure operated by American Airlines at 05:30 if you want to get on your way earlier.
Give yourself enough time to make your DEN to Chicago flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.
Flying over a peak time such as July? School holidays and other high seasons can mean longer queues at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.
Begin your trip at DEN and travel nonstop to Chicago O'Hare International Airport (ORD). That will be your arrival point when searching for Denver International Airport to Chicago tickets.
You can choose from a variety of carriers that offer direct flights from Denver International Airport to Chicago, such as:
The journey from central Denver to DEN takes about 35 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 31 kilometres in 35 minutes or so, depending on traffic.
Searching for a place to stay before your flight from Denver International Airport to Chicago? Check out The Westin Denver International Airport. Catch some z's here before making your way to DEN.
Denver International Airport has an excellent on-time performance, making delays less likely. Departures from DEN land at their destination as scheduled 80% of the time.
You'll find DEN at 8500 Pena Boulevard.

How to find the cheapest flights from Denver International Airport (DEN) to Chicago

40 € is the cheapest price we've seen for a one-way Denver International Airport to Chicago flight. A return ticket right now is 88 €. Depending on the availability when you book, these fares could change.
Booking ahead of time is often the key to scoring a cheap flight from DEN to Chicago. Fares tend to rise as seats fill up, so the nearer your departure date, the more it could cost you.
If you're willing to be flexible with your trip dates, use the 'Whole month' tool. It'll give you the cheapest price across every month when searching for a Denver International Airport to Chicago ticket.
Picking up a cheap flight from DEN to Chicago is easy with Price Alerts. Simply set up one of these automatic notifications and we'll let you know as soon as a better deal is available.
Save on your flight from Denver International Airport to Chicago with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Chicago

Chicago O'Hare International Airport (ORD)

The distance from Chicago O'Hare International Airport (ORD) to central Chicago is roughly 27 kilometres. It takes around 30 minutes to reach the centre driving.
It typically takes 45 minutes if you're travelling by public transport.
If you're coming in on a late flight from Denver International Airport to Chicago, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and relaxing not long after at one of these hotels near ORD:
Reserving your vehicle from Chicago O'Hare International Airport around four weeks ahead of your flight from DEN to Chicago can help you lock in the best possible rate.
The address for ORD is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

After your flight from Denver International Airport to Chicago has hit the tarmac, you can make your way to the city centre in about 25 minutes by car. Central Chicago is roughly 16 kilometres from Chicago Midway International Airport (MDW).
If you choose to travel on public transport, the ride to the centre takes 30 minutes or so.
After stepping off your DEN to Chicago flight, settle in at a hotel near MDW. These are some comfortable accommodation options that'll help you get into relaxation mode:
Get exactly what you want. Reserving your ride from MDW four weeks in advance often means more savings and a wider range of vehicles.
The address for Chicago Midway International Airport is 5700 South Cicero.

Chicago Rockford International Airport (RFD)

Hop off your flight from Denver International Airport to Chicago and head straight for your hotel or start exploring right away. The centre of Chicago is around 145 kilometres from Chicago Rockford International Airport (RFD) and typically takes 1 hour 40 minutes to reach driving.
The journey will take you about 2 hours if you use public transport.
Check in to a hotel near RFD and go from the plane to your bed in a flash. Whether you're arriving on a late DEN to Chicago flight or just want an easier arrival, these stays offer a quick route to a good night's sleep:
Rental agencies sometimes offer deals for early bookings, so secure your ride from RFD ahead of your flight from Denver International Airport to Chicago. A bit of planning goes a long way in savings.
The address for Chicago Rockford International Airport is 2 Airport Cir.

Best time to go to Chicago

July is the busiest month for flights from Denver International Airport to Chicago. To escape the crowds, visit Chicago in January.
Lock in a Denver International Airport to Chicago plane ticket with a departure in July to explore the city during its warmest month. Expect temperatures to range from 16ºC (61ºF) to 28ºC (82ºF).
Look for cheap tickets from DEN to Chicago in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -12ºC (10ºF) and 3ºC (37ºF) on average.

More about Chicago

Once you've booked your flight from Denver International Airport to Chicago, choose a hotel that combines comfort with a great location. Make one of these accommodation options your base for exploring Chicago:
Art Institute of Chicago and Millennium Park are just a couple of the popular attractions to put on your Chicago must-do list. Continue your sightseeing adventures at Willis Tower.

Explore more of the United States

Columbus is just one of the many cities in the United States waiting to be discovered once you've seen the sights of Chicago. Around 451 kilometres away to the southeast, top sights here include Franklin Park Conservatory and Botanical Gardens, Whetstone Park / Park of Roses and Ohio Theatre.
If there's time to check out another side of the United States, head for Indianapolis, roughly 257 kilometres southeast of Chicago. Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis are key highlights.