Cheap Flights from Denver to Chicago from 74 €

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Flight deals from Denver to Chicago

Looking for a cheap last-minute deal or the best return flight from Denver to Chicago? Find the lowest prices on one-way and return tickets right here.

Chicago.74 € per passenger.Departing Wed, 19 Mar, returning Wed, 26 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 19 Mar, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 26 Mar, arriving in Denver International.Price includes taxes and charges.From 74 €, select.

Chicago.74 € per passenger.Departing Tue, 25 Mar, returning Wed, 2 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 25 Mar, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 2 Apr, arriving in Denver International.Price includes taxes and charges.From 74 €, select.

Chicago.75 € per passenger.Departing Tue, 1 Apr, returning Sat, 12 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 1 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sat, 12 Apr, arriving in Denver International.Price includes taxes and charges.From 75 €, select.

Chicago.98 € per passenger.Departing Fri, 9 May, returning Sun, 1 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Fri, 9 May, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Sun, 1 Jun, arriving in Denver International.Price includes taxes and charges.From 98 €, select.

Chicago.102 € per passenger.Departing Sat, 24 May, returning Mon, 26 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Sat, 24 May, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Mon, 26 May, arriving in Denver International.Price includes taxes and charges.From 102 €, select.

Chicago.112 € per passenger.Departing Tue, 1 Jul, returning Tue, 8 Jul.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Tue, 1 Jul, arriving in Chicago Midway.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Tue, 8 Jul, arriving in Denver International.Price includes taxes and charges.From 112 €, select.

Chicago.112 € per passenger.Departing Wed, 11 Jun, returning Wed, 18 Jun.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Wed, 11 Jun, arriving in Chicago Midway.Inbound direct flight with Frontier Airlines departs from Chicago Midway on Wed, 18 Jun, arriving in Denver International.Price includes taxes and charges.From 112 €, select.

Chicago.113 € per passenger.Departing Mon, 28 Apr, returning Mon, 5 May.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Mon, 28 Apr, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago Midway on Mon, 5 May, arriving in Denver International.Price includes taxes and charges.From 113 €, select.

Find the cheapest month to fly from Denver to Chicago

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

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Direct flights from Denver to Chicago

Alternative Denver to Chicago routes

Looking for the cheapest, fastest or easiest route from Denver 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	74 €
Cheapest month to fly	March
Average flight time	2 hrs, 28 mins
Most popular airline	Southwest Airlines
Average flights per week	482

Finding cheap flights from Denver 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 to Chicago?

The best price we found for a return flight from Denver to Chicago is 74 €. 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 to Chicago?

2 hours and 27 minutes is the average flight time from Denver to Chicago.

Which airlines fly direct from Denver to Chicago?

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

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

As of February 2025, there are 482 flights per week flying from Denver to Chicago.

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

The cheapest month to fly from Denver to Chicago is usually February 2025.

Which is the cheapest airport to fly into in Chicago?

If you're flying from Denver, 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 74 €.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Chicago on Wednesday, 19 March 2025.

Can I get a direct flight from Denver to Chicago?

Yes – the average flight time is 2 hours and 27 minutes.

How can I get the best flight deal from Denver 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 February, the average temperature is usually around -2°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 to Chicago with?

The cheapest airline that flies to Chicago is Frontier Airlines .

Travelling from Denver to Chicago: what you need to know

Start your trip at Denver International Airport (DEN), the main airport in Denver. Explore flights from Denver to Chicago that fly out of this terminal.
The major entry paths to Chicago are O'Hare International Airport (ORD) and Chicago Midway International Airport (MDW).
2 hours 27 minutes is the time it takes on average for a direct flight from Denver to Chicago. Following the UTC-5 timezone, Chicago is 1 hour ahead of Denver.
Denver International Airport (DEN) to O'Hare International Airport (ORD) is the most traveled route that connects these two cities. There are 157 flights a week to pick from. If you have things to do before heading off, the last flight from Denver to Chicago is with Frontier Airlines at 21:27. Choose the first DEN to ORD departure with American Airlines at 05:36 if you want to get going early.
Leave enough time to catch your flight from Denver to Chicago. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.
Travelling during a peak period like school or public holidays? Expect longer queues at check-in and security. To play it safe, arrive up to four hours before international flights and two hours ahead of domestic departures.
You won't need your passport or a visa to fly within United States. You will need a valid form of identification however, such as an ID card or driver's licence. Add them to your packing list after booking your cheap flights from Denver to Chicago.

Flying from Denver

Denver International Airport (DEN)

Direct flights from Denver to Chicago are available from Denver International Airport (DEN). DEN offers nonstop journeys to two Chicago terminals, O'Hare International Airport (ORD) and Chicago Midway International Airport (MDW).
At DEN, there's a good selection of carriers that offer direct flights from Denver to Chicago, including:
Stopovers are the perfect opportunity to take a travel break — and maybe even tour another city. When searching for flights from Denver to Chicago departing from Denver International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Top options include:
- Los Angeles International Airport (LAX)
- Nashville International Airport (BNA)
- Harry Reid Airport (formerly McCarran Airport) Airport (LAS)
Located around 40 kilometres from the centre of Denver, DEN can be reached in approximately 34 minutes by car (depending on traffic). The same journey by public transport is roughly 1 hour and 31 minutes.
Looking for a convenient place to stay before your flight from Denver to Chicago? Check out SpringHill Suites Denver Airport. Get a good night's rest here before heading to Denver International Airport.

Arriving in Chicago

O'Hare International Airport (ORD)

O'Hare International Airport (ORD) is around 40 kilometres from central Chicago. With a cab or in your own car rental, the drive is around 35 minutes.
It typically takes 54 minutes when travelling by public transport.
If you're coming in on a late flight from Denver to Chicago, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing soon after at one of these hotels near ORD:

Chicago Midway International Airport (MDW)

Chicago Midway International Airport (MDW) is around 19 kilometres from central Chicago. Once you've disembarked your flight from Denver to Chicago, expect a drive time of approximately 21 minutes to reach the heart of the city.
If you're travelling on public transport, it'll take about 46 minutes.
Hang the 'Do not disturb' sign on your door and rest at a hotel close to MDW. Here are a few options where you can put your feet up after your flight from Denver to Chicago:

How to find the cheapest flights from Denver to Chicago

Right now, 37 € is the best price we've seen for a one-way ticket from Denver to Chicago. The cheapest price for a return flight is 74 €. Bear in mind fares may change due to demand at the time of booking.
Get cheap tickets from Denver to Chicago by booking 9 months ahead. Based on our research, that's the sweet spot for finding a bargain.
Plan your trip for May. That's the cheapest month for tickets from Denver to Chicago. If you're flexible with your dates, use the 'Whole month' tool to see the cheapest price across every month.
Create a Price Alert for cheap tickets from Denver to Chicago. There's no need to look every day to see if prices have dropped. We'll let you know as soon as there's a change in price.
Use filters to tailor your flights from Denver to Chicago. Simply select your preferred arrival and departure times, number of stops and airlines. Alternatively, sort your results by 'Cheapest' to see the best deals.

Best time to go to Chicago

February is the quietest month for flights from Denver to Chicago, while August is the busiest. Choose the best time to visit Chicago based on whether you want a bustling atmosphere or a more laid-back vibe.
Before you book a flight from Denver to Chicago, think about the kind of weather you like. July is the warmest month in Chicago, with the temperature ranging from 15ºC to 29ºC.
Look for cheap tickets from Denver to Chicago in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between -12ºC and 3ºC on average.

More about Chicago

Start your Chicago trip off on the right foot by choosing the ideal place to stay. Once you've booked your flight from Denver to Chicago, explore our range of accommodation options including:
Millennium Park and Art Institute of Chicago are just a couple of the big attractions to put on your Chicago to-do list. Keep the momentum going by heading to LandShark Beer Garden at Navy Pier.

Complete your Chicago trip with a car rental

Finding you a cheap flight from Denver to Chicago isn't the only trick up our sleeve. Check out our car rentals in Chicago and explore at your own pace. We search for deals from trusted car rental companies and put them all in one place. Instantly compare offers and then book with no fees.