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Decatur

$207+ Cheap flights from Denver to Decatur, IL (DEN - DEC)

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from Denver to Decatur

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Decatur (DEC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$404
(United Airlines)

One-way from

$207
(United Airlines)
From Denver Intl to Decatur Arpt
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One-way flight from Denver Intl to Decatur Arpt
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Find flight deals from Denver to Decatur

Cheapest flights from Denver to Decatur
Explore the most affordable flight options available from Denver to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/11. 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.
jue. 10/25:58 pmDEN - DEC
1 stop23h 06mUnited Airlines
sáb. 10/49:38 amDEC - DEN
1 stop7h 25mUnited Airlines
Deal found 8/11$360
This United Airlines deal was found by Cheapflights users on 8/11. 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.
mié. 8/278:28 pmDEN - DEC
1 stop11h 28mUnited Airlines
dom. 8/319:42 amDEC - DEN
1 stop7h 53mUnited Airlines
Deal found 8/11$389
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/286:00 amDEN - DEC
1 stop25h 56mUnited Airlines
mié. 9/39:42 amDEC - DEN
1 stop7h 53mUnited Airlines
Deal found 8/13$404
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/286:00 amDEN - DEC
1 stop25h 56mUnited Airlines
mar. 9/29:42 amDEC - DEN
1 stop21h 59mUnited Airlines
Deal found 8/13$424
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 10/98:21 pmDEN - DEC
2 stops20h 43mUnited Airlines
lun. 10/139:30 amDEC - DEN
1 stop22h 12mUnited Airlines
Deal found 8/13$450
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 12/264:15 pmDEN - DEC
1 stop24h 36mUnited Airlines
mié. 12/317:09 pmDEC - DEN
1 stop5h 34mUnited Airlines
Deal found 8/14$464
This United Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 8/291:35 pmDEN - DEC
2 stops18h 21mUnited Airlines
mié. 9/39:42 amDEC - DEN
1 stop7h 53mUnited Airlines
Deal found 8/13$467
This United Airlines deal was found by Cheapflights users on 8/13. 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.
jue. 8/286:00 amDEN - DEC
1 stop10h 59mUnited Airlines
lun. 9/16:55 pmDEC - DEN
1 stop15h 04mUnited Airlines
Deal found 8/13$474
This United Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 8/295:59 pmDEN - DEC
2 stops13h 57mUnited Airlines
mar. 9/29:42 amDEC - DEN
1 stop21h 59mUnited Airlines
Deal found 8/13$487

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 agosto 14, 2025.
Use the filters below to find and compare flights from Denver to Decatur that are best for you.

Fly from

Denver

Fly to

Decatur

Route

Depart

Return

Price

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

jue. 10/2

5:58 pm-6:04 pm

1 stop23h 06m

Decatur Arpt

sáb. 10/4

9:38 am-4:03 pm

1 stop7h 25m

$360

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

mié. 8/27

8:28 pm-8:56 am

1 stop11h 28m

Decatur Arpt

dom. 8/31

9:42 am-4:35 pm

1 stop7h 53m

$389

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

jue. 8/28

6:00 am-8:56 am

1 stop25h 56m

Decatur Arpt

mié. 9/3

9:42 am-4:35 pm

1 stop7h 53m

$404

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

vie. 8/29

8:28 pm-8:56 am

1 stop11h 28m

Decatur Arpt

mié. 9/3

9:42 am-2:37 pm

1 stop5h 55m

$404

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

vie. 8/29

8:28 pm-8:56 am

1 stop11h 28m

Decatur Arpt

mar. 9/2

9:42 am-8:59 am

1 stop24h 17m

$424

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

jue. 8/28

6:00 am-8:56 am

1 stop25h 56m

Decatur Arpt

mar. 9/2

9:42 am-6:41 am

1 stop21h 59m

$424

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

sáb. 11/1

6:00 am-5:52 pm

1 stop10h 52m

Decatur Arpt

dom. 11/2

7:08 pm-12:30 pm

1 stop18h 22m

$424

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

jue. 10/9

8:21 pm-6:04 pm

2 stops20h 43m

Decatur Arpt

lun. 10/13

9:30 am-6:42 am

1 stop22h 12m

$450

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

lun. 9/8

8:28 pm-8:56 am

1 stop11h 28m

$207

DenverDecatur

DEN - DEC

DENDEC

Denver Intl

vie. 9/19

8:28 pm-8:56 am

1 stop11h 28m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Best time to book a flight from Denver to Decatur

Have a flexible travel schedule? Discover the best time to fly to Decatur from Denver 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.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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.

Traveling to a place near Decatur?

Book flights to Decatur if you plan to visit one of these locations
Mattoon
Effingham

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