Cheap Flights from Denver International Airport to Illinois from Rp 1.258.829 Return

Flight deals from Denver International Airport to Illinois

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

Chicago.Rp 1.258.829 per passenger.Departing Thu, 26 Mar, returning Wed, 1 Apr.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Denver International on Thu, 26 Mar, arriving in Chicago O'Hare International.Inbound direct flight with Frontier Airlines departs from Chicago O'Hare International on Wed, 1 Apr, arriving in Denver International.Price includes taxes and charges.From Rp 1.258.829, select.

Moline.Rp 3.701.716 per passenger.Departing Fri, 20 Feb, returning Sun, 22 Feb.Return flight with United.Outbound indirect flight with United, departs from Denver International on Fri, 20 Feb, arriving in Moline.Inbound indirect flight with United, departs from Moline on Sun, 22 Feb, arriving in Denver International.Price includes taxes and charges.From Rp 3.701.716, select.

Peoria.Rp 4.206.212 per passenger.Departing Thu, 12 Feb, returning Mon, 16 Feb.Return flight with United.Outbound indirect flight with United, departs from Denver International on Thu, 12 Feb, arriving in Greater Peoria.Inbound indirect flight with United, departs from Greater Peoria on Mon, 16 Feb, arriving in Denver International.Price includes taxes and charges.From Rp 4.206.212, select.

Bloomington.Rp 6.266.808 per passenger.Departing Sat, 28 Feb, returning Sun, 1 Mar.Return flight with American Airlines.Outbound indirect flight with American Airlines, departs from Denver International on Sat, 28 Feb, arriving in Central Illinois Regional.Inbound indirect flight with American Airlines, departs from Central Illinois Regional on Sun, 1 Mar, arriving in Denver International.Price includes taxes and charges.From Rp 6.266.808, select.

Decatur.Rp 6.654.125 per passenger.Departing Thu, 5 Feb, returning Sun, 8 Feb.Return flight with United.Outbound indirect flight with United, departs from Denver International on Thu, 5 Feb, arriving in Decatur.Inbound indirect flight with United, departs from Decatur on Sun, 8 Feb, arriving in Denver International.Price includes taxes and charges.From Rp 6.654.125, select.

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Flying from Denver International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	Rp 1.258.829
Cheapest month to fly	March
Average flight time	2 hrs, 23 mins
Average flights per week	1,282
Most popular airline	American Airlines

How to find cheap flights from Denver International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Denver International Airport to Illinois. Other savvy travellers recently found return flights from Rp 1.258.829 and one-way tickets from Rp 537.057. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in March

The cheapest time to fly from Denver International Airport to Illinois is currently March.

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 International Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

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

Relax – these are fee-free flight tickets

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

Frequently asked questions

Are there any direct flights from Denver International Airport to Illinois?

Yes - direct flights currently operate from Denver International Airport to Chicago O'Hare International Airport, Moline Airport and Greater Peoria Airport in Illinois.

What is the average price of a flight from Denver International Airport to Illinois?

We looked at all of the upcoming return flights from Denver International Airport to Illinois we could find over the next 12 months. It looks like Rp 1.258.829 is the best price. This is good, compared to the average Illinois ticket price of Rp 4.417.538.

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

The cheapest month to fly from Denver International Airport to Moline Airport is currently February.
The cheapest month to fly from Denver International Airport to Greater Peoria Airport is currently February.
The cheapest month to fly from Denver International Airport to Decatur Airport is currently February.
And the cheapest month to fly from Denver International Airport to Central Illinois Regional Airport is usually February.

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

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Denver International Airport to Illinois on Thursday, 26 March 2026.

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

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