Cheap flights from Illinois (IL) to Denver (DEN)

Flight FAQs

From Illinois to Denver

Are flight prices decreasing from Illinois to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Illinois and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Illinois to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from Illinois to Denver for under $100. The cheapest flight booked recently is on Multiple Airlines for just $63, but on average you can expect to pay $148.

Are there nonstop flights from Illinois to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Illinois to Denver under $100. A good price for a nonstop flight from Illinois to Denver is less than $86.

Are there last-minute flights available from Illinois to Denver for under $100?

There are currently 15+ open flights from Illinois to Denver within the next 7 days for less than $100.

What days are nonstop flights available from Illinois to Denver?

Nonstop flights are available for this route on the following days: Sunday, Wednesday, Friday, Saturday.

How popular is this flight route?

This flight path from Illinois to Denver Intl was viewed by 430 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the most popular airlines that fly from Illinois to Denver?

Major Airline, Delta and Frontier are the most popular airlines when flying from Illinois to Denver.

What are the most popular routes from Illinois to Denver?

The most popular route from Illinois to Denver is Chicago O'Hare Intl - Denver Intl. You may also consider Chicago Midway - Denver Intl or Bloomington-Normal - Denver Intl.

What are the cheapest Flights from Illinois to Denver?

The cheapest flight price from Illinois to Denver is $31. On average you can expect to pay $157. The most popular route, (Chicago O'Hare Intl - Denver Intl), can usually be booked for $32.

What are the most reliable airlines from Illinois to Denver?

No one likes to see their flight delayed. When booking a flight from Illinois to Denver consider choosing LOT (100%), Brussels Airlines (100%) or Lufthansa (96%) as they are the most reliable in getting you off to your destination on time.