$302+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — DEC
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Decatur with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to Decatur
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Last-minute
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Cheapest flights from Colorado to DecaturExplore 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 October 19, 2026.
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 October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/189:52 am -
1 stop7h 18m
Tue 11/249:10 am -
1 stop7h 07m
Deal found 10/15![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/299:52 am -
1 stop7h 03m
Mon 11/26:57 pm -
1 stop5h 34m
Deal found 10/14![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/238:57 pm -
1 stop10h 46m
Sun 12/277:03 pm -
1 stop5h 50m
Deal found 10/16![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/198:25 pm -
1 stop11h 10m
Wed 11/256:57 pm -
1 stop5h 34m
Deal found 10/15![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/208:25 pm -
1 stop20h 30m
Wed 11/256:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/138:34 pm -
2 stops20h 21m
Sun 11/156:57 pm -
1 stop5h 34m
Deal found 10/18![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/1711:40 am -
1 stop6h 03m
Thu 10/229:12 am -
1 stop6h 20m
Deal found 10/17![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/306:00 am -
2 stops10h 55m
Tue 11/37:02 pm -
1 stop27h 55m
Deal found 10/15![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 11/234:24 pm -
1 stop15h 11m
Fri 11/276:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/248:25 pm -
1 stop10h 44m
Fri 11/276:57 pm -
1 stop5h 34m
Deal found 10/19![United Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/206:25 pm -
2 stops22h 30m
Wed 11/256:57 pm -
1 stop17h 18m
Deal found 10/17![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/2412:02 pm -
1 stop19h 07m
Fri 11/279:10 am -
2 stops15h 49m
Deal found 10/19![United Airlines logo]()
$855
Best flights from Colorado to DecaturDiscover carefully curated flight deals from Colorado to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Colorado to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/299:52 am -
1 stop7h 03m
Mon 11/26:57 pm -
1 stop5h 34m
Deal found 10/14![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/16. 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 12/238:57 pm -
1 stop10h 46m
Sun 12/277:03 pm -
1 stop5h 50m
Deal found 10/16![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 10/18. 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 1/1511:15 am -
1 stop5h 51m
Sun 1/179:25 am -
1 stop6h 10m
Deal found 10/18![United Airlines logo]()
$503
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/208:25 pm -
1 stop20h 30m
Wed 11/256:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/67:45 am -
1 stop9h 25m
Thu 11/126:57 pm -
1 stop23h 52m
Deal found 10/19![United Airlines logo]()
$568
This United Airlines deal was found by Cheapflights users on 10/18. 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.
Sun 11/157:55 am -
2 stops9h 15m
Sun 11/226:57 pm -
1 stop5h 34m
Deal found 10/18![United Airlines logo]()
$622
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/306:00 am -
2 stops10h 55m
Tue 11/37:02 pm -
1 stop27h 55m
Deal found 10/15![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 11/234:24 pm -
1 stop15h 11m
Fri 11/276:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/206:25 pm -
2 stops22h 30m
Wed 11/256:57 pm -
1 stop17h 18m
Deal found 10/17![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/2512:02 pm -
1 stop19h 07m
Fri 11/279:10 am -
2 stops15h 49m
Deal found 10/19![United Airlines logo]()
$855
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/2412:02 pm -
1 stop19h 07m
Fri 11/279:10 am -
2 stops15h 49m
Deal found 10/19![United Airlines logo]()
$855
Last-minute flights from Colorado to DecaturDiscover last-minute flight deals from Colorado to Decatur. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Decatur. Data last updated October 19, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/17. 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 10/1711:40 am -
1 stop6h 03m
Wed 10/217:18 pm -
1 stop5h 36m
Deal found 10/17![United Airlines logo]()
$574
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Thu 10/299:52 am -
1 stop7h 03m
Mon 11/26:57 pm -
1 stop5h 34m
Deal found 10/14![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 10/15. 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 10/306:00 am -
2 stops10h 55m
Tue 11/37:02 pm -
1 stop27h 55m
Deal found 10/15![United Airlines logo]()
$627
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/68:25 pm -
1 stop20h 30m
Sun 11/86:57 pm -
1 stop20h 53m
Deal found 10/18![United Airlines logo]()
$714
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/138:34 pm -
2 stops20h 21m
Sun 11/156:57 pm -
1 stop5h 34m
Deal found 10/18![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/189:52 am -
1 stop7h 18m
Tue 11/249:10 am -
1 stop7h 07m
Deal found 10/15![United Airlines logo]()
$454
This United Airlines deal was found by Cheapflights users on 10/15. 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 11/198:25 pm -
1 stop11h 10m
Wed 11/256:57 pm -
1 stop5h 34m
Deal found 10/15![United Airlines logo]()
$518
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/208:25 pm -
1 stop20h 30m
Wed 11/256:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 10/17. 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 11/206:25 pm -
2 stops22h 30m
Wed 11/256:57 pm -
1 stop17h 18m
Deal found 10/17![United Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/17. 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.
Mon 11/234:24 pm -
1 stop15h 11m
Fri 11/276:57 pm -
1 stop5h 34m
Deal found 10/17![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/248:25 pm -
1 stop10h 44m
Fri 11/276:57 pm -
1 stop5h 34m
Deal found 10/19![United Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/2412:02 pm -
1 stop19h 07m
Fri 11/279:10 am -
2 stops15h 49m
Deal found 10/19![United Airlines logo]()
$855
One-way flights from Colorado to DecaturSearch for one-way flight options from Colorado to Decatur. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Colorado to Decatur. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Sun 11/157:45 am -
1 stop23h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/411:15 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![United Airlines logo]()
$374
Find flight deals from Colorado to Decatur
Keep the following information in mind while searching for Colorado to Decatur flight deals. Data was last updated October 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $454 (United Airlines) |
One-way from | $302 (United Airlines) |
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 7,457,451 searches. Data last updated October 19, 2026.
Use the filters below to find and compare flights from Colorado to Decatur that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Sun 11/15
7:45 am-8:09 am
1 stop23h 24m
Decatur Arpt
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$302
Quickest round-trip
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Wed 11/4
11:15 am-6:10 pm
1 stop5h 55m
Decatur Arpt
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$374
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Thu 10/29
9:52 am-5:55 pm
1 stop7h 03m
Decatur Arpt
Mon 11/2
6:57 pm-11:31 pm
1 stop5h 34m
$484
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Wed 12/23
8:57 pm-8:43 am
1 stop10h 46m
Decatur Arpt
Sun 12/27
7:03 pm-11:53 pm
1 stop5h 50m
$499
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Fri 1/15
11:15 am-6:06 pm
1 stop5h 51m
Decatur Arpt
Sun 1/17
9:25 am-2:35 pm
1 stop6h 10m
$503
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Fri 11/20
8:25 pm-5:55 pm
1 stop20h 30m
Decatur Arpt
Wed 11/25
6:57 pm-11:31 pm
1 stop5h 34m
$548
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Fri 11/6
7:45 am-6:10 pm
1 stop9h 25m
Decatur Arpt
Thu 11/12
6:57 pm-5:49 pm
1 stop23h 52m
$568
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Sun 11/15
7:55 am-6:10 pm
2 stops9h 15m
Decatur Arpt
Sun 11/22
6:57 pm-11:31 pm
1 stop5h 34m
$622
Colorado SpringsDecatur
COS Colorado Springs - DEC Decatur Arpt
COSDEC
Colorado Springs
Fri 10/30
6:00 am-5:55 pm
2 stops10h 55m
Decatur Arpt
Tue 11/3
7:02 pm-9:57 pm
1 stop27h 55m
$627
DenverDecatur
DEN Denver Intl - DEC Decatur Arpt
DENDEC
Denver Intl
Mon 11/23
4:24 pm-8:35 am
1 stop15h 11m
Decatur Arpt
Fri 11/27
6:57 pm-11:31 pm
1 stop5h 34m
$654
Showing 1-10 of 13 resultsSorted by cheapest first
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.
DEN-DEC
COS-DEC
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
USCO-DEC
DEN-DEC
COS-DEC
No data available for this route at this time. Please check back soon.
Related info for your journey
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