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Decatur

$216+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
Sep 13 — Sep 201
Sun 9/13
Sun 9/20
1 adult, Economy
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Cheap 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 August 14, 2026.

This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/2511:15 am -
1 stop5h 44m
Sat 8/297:20 pm -
1 stop5h 34m
Deal found 8/10$361
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.
Sat 10/246:10 pm -
1 stop23h 00m
Wed 10/286:57 pm -
1 stop16h 29m
Deal found 8/13$392
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Sat 10/247:45 am -
1 stop9h 58m
Sun 10/256:57 pm -
1 stop5h 34m
Deal found 8/12$393
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 11/37:45 am -
1 stop23h 50m
Sat 11/76:57 pm -
1 stop5h 34m
Deal found 8/10$409
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.
Fri 9/254:40 pm -
1 stop25h 03m
Mon 10/57:18 pm -
1 stop24h 02m
Deal found 8/13$414
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 8/277:10 pm -
1 stop11h 27m
Mon 8/317:20 pm -
1 stop12h 19m
Deal found 8/12$518
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.
Fri 9/116:00 am -
1 stop11h 44m
Fri 9/187:20 pm -
2 stops12h 40m
Deal found 8/13$526

Find 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 August 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$361
(United Airlines)

One-way from

$216
(United Airlines)
Provider with most accurate pricing for Denver Intl-Decatur Arpt flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Decatur Arpt flights.
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From Denver Intl to Decatur Arpt
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One-way flight from Denver Intl to Decatur Arpt
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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 August 14, 2026.
Use the filters below to find and compare flights from Denver to Decatur that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 8/25

11:15 am-5:59 pm

1 stop5h 44m

Decatur Arpt

Sat 8/29

7:20 pm-11:54 pm

1 stop5h 34m

$361

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Sat 10/24

6:10 pm-6:10 pm

1 stop23h 00m

Decatur Arpt

Wed 10/28

6:57 pm-10:26 am

1 stop16h 29m

$392

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 11/3

7:45 am-8:35 am

1 stop23h 50m

Decatur Arpt

Sat 11/7

6:57 pm-11:31 pm

1 stop5h 34m

$409

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Fri 9/25

4:40 pm-6:43 pm

1 stop25h 03m

Decatur Arpt

Mon 10/5

7:18 pm-6:20 pm

1 stop24h 02m

$414

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Fri 9/11

2:50 pm-6:44 pm

1 stop26h 54m

Decatur Arpt

Fri 9/18

7:20 pm-8:47 am

1 stop14h 27m

$414

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Fri 10/2

4:40 pm-6:43 pm

1 stop25h 03m

Decatur Arpt

Wed 10/7

7:18 pm-2:21 pm

2 stops20h 03m

$498

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Sat 10/24

8:51 am-6:43 pm

1 stop8h 52m

Decatur Arpt

Sun 10/25

6:57 pm-2:37 pm

2 stops20h 40m

$524
Cheapest one-way

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Tue 9/1

2:50 pm-7:09 am

1 stop15h 19m

$216

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Sun 9/27

6:00 am-8:35 am

1 stop25h 35m

$271

DenverDecatur

DEN Denver Intl - DEC Decatur Arpt

DENDEC

Denver Intl

Wed 8/26

2:50 pm-5:59 pm

1 stop26h 09m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Denver to Decatur

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Decatur in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Decatur, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Decatur, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Decatur, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

  • How long is the flight from Denver to Decatur, Illinois?

    Airlines like United Airlines fly from Denver to Decatur, Illinois in about 5h 44m. The time it takes to get you to your destination can typically vary by up to . The distance from Denver to Decatur, Illinois is about 837 mi.

  • 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.

See more FAQs

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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