What's the average Denver to Illinois flight price?

We looked at all of the upcoming round-trip flights from Denver to Illinois we could find over the next 12 months. It looks like C$86 is the best price. This is good, compared to the average Illinois ticket price of C$362.

What is the cheapest month to fly from Denver to Illinois?

The cheapest month to fly from Denver to Chicago O'Hare International Airport is usually June . The cheapest month to fly from Denver to Central Illinois Regional Airport is usually June . The cheapest month to fly from Denver to Moline Airport is usually June . And the cheapest month to fly from Denver to Decatur Airport is usually June .

On which upcoming date is it cheapest to fly from Denver to Illinois?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Illinois on Thursday, June 6, 2024 .

Are there any direct flights from Denver to Illinois?

Denver International Airport offers direct flights to Illinois.

If I'm flying from Denver, where in Illinois is cheapest to fly to?

If you're flying from Denver, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.

How long is the flight from Denver to Illinois?

The average flight time between Denver and Illinois is 2 hours and 15 minutes.

Flights from Denver to Illinois

Flight deals from Denver to Illinois

Looking for cheap flights from Denver to Illinois, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Chicago.C$86 per passenger.Departing Thu, Jun 6, returning Thu, Jun 13.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Thu, Jun 6, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departing from Chicago Midway on Thu, Jun 13, arriving in Denver International.Price includes taxes and charges.From C$86, select.

Peoria.C$168 per passenger.Departing Mon, Aug 5, returning Mon, Aug 12.Round-trip flight with Allegiant Air.Outbound direct flight with Allegiant Air departing from Denver International on Mon, Aug 5, arriving in Greater Peoria.Inbound direct flight with Allegiant Air departing from Greater Peoria on Mon, Aug 12, arriving in Denver International.Price includes taxes and charges.From C$168, select.

Bloomington.C$230 per passenger.Departing Thu, Jun 13, returning Sun, Jun 16.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Denver International on Thu, Jun 13, arriving in Central Illinois Regional.Inbound direct flight with Frontier Airlines departing from Central Illinois Regional on Sun, Jun 16, arriving in Denver International.Price includes taxes and charges.From C$230, select.

Moline.C$415 per passenger.Departing Mon, Jun 3, returning Mon, Jun 10.Round-trip flight with United.Outbound indirect flight with United, departing from Denver International on Mon, Jun 3, arriving in Moline.Inbound indirect flight with United, departing from Moline on Mon, Jun 10, arriving in Denver International.Price includes taxes and charges.From C$415, select.

Decatur.C$628 per passenger.Departing Wed, Jun 26, returning Tue, Jul 2.Round-trip flight with United.Outbound indirect flight with United, departing from Denver International on Wed, Jun 26, arriving in Decatur.Inbound indirect flight with United, departing from Decatur on Tue, Jul 2, arriving in Denver International.Price includes taxes and charges.From C$628, select.

Marion.C$981 per passenger.Departing Tue, Jun 25, returning Mon, Jul 1.Round-trip flight with Alaska Airlines and Contour Airlines.Outbound indirect flight with Alaska Airlines, departing from Denver International on Tue, Jun 25, arriving in Marion.Inbound indirect flight with Contour Airlines, departing from Marion on Mon, Jul 1, arriving in Denver International.Price includes taxes and charges.From C$981, select.

Flying from Denver to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	C$40, Chicago
Cheapest month to fly	August
Average flight time	2 hrs, 16 mins
Cheapest airport to fly from	Denver International
Most popular airline	Southwest Airlines

How to find cheap flights from Denver to Illinois

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Denver to Illinois. Other savvy travelers recently found round-trip flights from C$86 and one-way tickets from C$40. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Denver International into Chicago

At the moment, the lowest-priced flight tickets to Illinois are from Denver International Airport to Chicago O'Hare International Airport.

Fly in August

We crunched the flight calendar and found the cheapest time to fly from Denver to Illinois is currently August.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Denver to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Denver to anywhere you choose in Illinois.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Denver to Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Denver to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

: We looked at all of the upcoming round-trip flights from Denver to Illinois we could find over the next 12 months. It looks like C$86 is the best price. This is good, compared to the average Illinois ticket price of C$362.
: The cheapest month to fly from Denver to Chicago O'Hare International Airport is usually June. The cheapest month to fly from Denver to Central Illinois Regional Airport is usually June. The cheapest month to fly from Denver to Moline Airport is usually June. And the cheapest month to fly from Denver to Decatur Airport is usually June.
: After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver to Illinois on Thursday, June 6, 2024.
: Denver International Airport offers direct flights to Illinois.
: If you're flying from Denver, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.
: The average flight time between Denver and Illinois is 2 hours and 15 minutes.