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Decatur

$359+ Cheap flights from Colorado to Decatur, IL (DEC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap flight deals from Colorado to Decatur

Keep the following information in mind while searching for Colorado to Decatur flight deals. Data was last updated June 26, 2025.

Round-trip from

$359
(United Airlines)
From Colorado to Decatur Arpt
Search Deals

Find flight deals from Colorado to Decatur

Cheapest flights from Colorado to Decatur
Explore the most affordable flight options available from Colorado to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/236:00 amDEN - DEC
1 stop25h 48mUnited Airlines
Wed 7/306:55 pmDEC - DEN
1 stop5h 27mUnited Airlines
Deal found 6/26$359

Cheapflights Fare Finder

Customize your flight search to find flights from Colorado to Decatur that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 26, 2025.
Use the filters below to find and compare flights from Colorado to Decatur that are best for you.

Fly from

Colorado

Fly to

Decatur

Route

Depart

Return

Price

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Wed 7/23

6:00 am-8:48 am

1 stop25h 48m

Decatur Arpt

Wed 7/30

6:55 pm-11:22 pm

1 stop5h 27m

$359

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

Fri 7/11

11:25 am-6:03 pm

1 stop5h 38m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Best time to book a flight from Colorado to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Colorado to Decatur
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Decatur

Get insights into the airlines that provide service to Decatur. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Decatur. Reviews last updated June 26, 2025.
Peruse reviews from past customers who have flown with United Airlines from Colorado to Decatur to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,838 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,838 reviews
United Airlines
7.4
Good
8,838 reviews

Boarding

7.7

Crew

8.1

Comfort

7.3

Food

6.6

Entertainment

7.0

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

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

  • What airport do you fly into for flights to Decatur from Colorado?

    If you book a flight to Decatur from Colorado, you will be flying to Decatur Arpt, which is the city’s only airport. Decatur Arpt (DEC) is located 4.7 mi from the center of Decatur.

  • Can I find deals for flights from Colorado to Decatur that include hotel bookings?

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

  • How can I find direct flights from Colorado to Decatur?

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

  • Can I find deals for business class flights from Colorado to Decatur?

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

See more FAQs

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