Question 1

What days are nonstop flights available from Denver to Illinois?

Accepted Answer

Nonstop flights can be found on the following days: Monday, Tuesday, Wednesday, Thursday, Saturday.

Question 2

How many flights depart from Denver to Illinois on average per day?

Accepted Answer

31 flight departures from Denver to Illinois per day on average.
Morning (6am - Noon) - 39% of flight departures
Afternoon (Noon - 6pm) - 48% of flight departures
Evening (6pm - Midnight) - 13% of flight departures

Question 3

How long is the flight from Denver to Illinois?

Accepted Answer

There are many flights that can get you from Denver to Illinois in 2h 29m. Fly via Frontier to get the fastest option. Denver and Illinois are separated by a distance of 891 mi. All flights are typically nonstop.

Question 4

E

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Denver to Illinois (average of $245). Flying from Denver to Illinois in June is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

How recently were the Denver to Illinois flight deals updated?

Accepted Answer

The Denver to Illinois flight deals you see on this page were last updated on 4/28.

Question 6

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

Accepted Answer

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

Question 7

What are the most popular routes from Denver to Illinois?

Accepted Answer

When deciding which route to take from Denver to Illinois consider Denver Intl - Chicago O'Hare Intl, Denver Intl - Lambert-St Louis or Denver Intl - Chicago Midway as they are the most popular.

Question 8

What are the cheapest flights from Denver to Illinois?

Accepted Answer

Looking at all options, your cheapest flight can be booked for $34. While the most popular route (Denver Intl - Chicago O'Hare Intl) can be booked for $77 on average our data indicates $754 when flying from Denver to Illinois.

Question 9

What are the most reliable airlines from Denver to Illinois?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Denver to Illinois consider choosing Copa Airlines (90%), Turkish Airlines (90%) or SWISS (88%) as they are the most reliable in getting you off to your destination on time.

Question 10

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

Accepted Answer

Yes, there are multiple flights from Denver to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $57, but on average you can expect to pay $66.

Question 11

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

Accepted Answer

Cheapflights has at least 20 direct flights from Denver to Illinois under $100. A good price for a nonstop flight from Denver to Illinois is less than $67.

Question 12

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

Accepted Answer

There are currently 20+ open flights from Denver to Illinois within the next 7 days for less than $100.

Question 13

How far in advance should I book a flight from Denver to Illinois?

Accepted Answer

Users have found that booking a flight from Denver to Illinois at least 50 days early can save you up to 20% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from Denver to Illinois for as little as $184 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $289 for flights departing within the next 3 days.

Question 14

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

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Illinois. Flights to Illinois from Denver in January are about $211 on average during January, but can be found for as low as $50.

Question 15

When is the cheapest time to fly from Denver to Illinois (DEN - IL)?

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Illinois as you normally would.

Question 16

What airport do you fly from for flights from Denver to Illinois?

Accepted Answer

Most people fly from Denver Intl (DEN) if they book a flight from Denver to Illinois. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

Question 17

What does DEN to ORD mean?

Accepted Answer

DEN stands for Denver Intl Airport, while ORD stands for Chicago O'Hare Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

Question 18

Can I find deals for flights from Denver to Illinois that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your Denver to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 19

Can I find deals on flights from Denver to Illinois with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter Denver to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 20

Can I find deals for flights from Denver to Illinois that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Denver to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 21

How can I find direct flights from Denver to Illinois?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Illinois.

Question 22

Can I find deals for business class flights from Denver to Illinois?

Accepted Answer

Yes. Cheapflights offers flight deals from Denver to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 23

Can I find deals for flights from Denver to Illinois that allow pets onboard?

Accepted Answer

Many airlines flying from Denver to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 24

Can I find deals on last-minute flights from Denver to Illinois?

Accepted Answer

Yes, you can often find last-minute deals on Denver to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 25

How does Cheapflights help users find flights from Denver to Illinois?

Accepted Answer

Cheapflights makes it easy to find Denver to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 26

Why should you use Cheapflights to find cheap flight tickets from Denver to Illinois?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Denver.

Question 27

Can Cheapflights find flights from Denver to Illinois with no change fees?

Accepted Answer

Need flexible booking options for your flight to Illinois from Denver? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Question 28

Can Cheapflights notify me if prices for flights from Denver to Illinois become cheaper?

Accepted Answer

Not ready to book yet? You can track prices for flights from Denver to Illinois on Cheapflights with our Price Alert feature and get notified when better prices are available.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$25	Average$143	FlexibilityNo cancel fee	On-time62%	Search Frontier flights
Allegiant Air	Cheapest$85	Average$170	FlexibilityNo cancel fee	On-time88%	Search Allegiant Air flights
Spirit Airlines	Cheapest$115	Average$209	FlexibilityNo cancel fee	On-time65%	Search Spirit Airlines flights
American Airlines	Cheapest$152	Average$408	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
United Airlines	Cheapest$152	Average$413	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	Cheapest$196	Average$371	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

10%of flight departures	Early morningMidnight to 6 am
41%of flight departures	Morning6 am to noon
37%of flight departures	AfternoonNoon to 6 pm
12%of flight departures	Evening6 pm to midnight

Cheap flights from Denver (DEN) to Illinois from $30

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

How far in advance should I book a flight from Denver to Illinois?

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

When is the cheapest time to fly from Denver to Illinois (DEN - IL)?

Cheap Frontier flights from Denver to Illinois

Check out some of the cheapest Frontier flights we've come across from Denver to Illinois. Make sure to double check the flight details before booking.

Cheap United Airlines flights from Denver to Illinois

Take a gander at the lowest prices we've found on United Airlines flights from Denver to Illinois. Deals are refreshing constantly so come back soon for more options.

Cheap Denver to Illinois flights in April & May 2024

Find cheap flight options from Denver to Illinois specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Prices were last updated on April 29, 2024.

These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.

Denver to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Denver and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,948,547 searches. Data last updated April 29, 2024.

These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.

Non-stop flights to Illinois from Denver

For a quicker trip, book one of these direct flights from Denver to Illinois. Search for alternative flights from Denver to Illinois by utilizing the search form above.

Denver to Illinois flights leaving soon

Book one of these great deals on flights from Denver to Illinois. It's wise to confirm all flight details are correct before booking.

One-way flights to Illinois from Denver

Some of the best available deals we've found on one-way flights from Denver to Illinois. Users needing a return flight from Denver to Illinois should utilize the search form above.

Find flights from Denver to Illinois within your budget

Reviews of airlines servicing Illinois

Related info for your journey

Find useful and relevant information for your journey from Denver to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.