$450+ Cheap flights from Kansas City to Decatur, IL (MCI - 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEC
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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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 Kansas City to Decatur
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Best
Last-minute
Cheapest flights from Kansas City to DecaturExplore the most affordable flight options available from Kansas City to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Kansas City to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/21:09 pm -
1 stop5h 01m
Fri 11/66:57 pm -
1 stop22h 37m
Deal found 10/7![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/221:07 pm -
1 stop4h 46m
Mon 10/266:57 pm -
1 stop15h 34m
Deal found 10/7![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/411:18 am -
1 stop6h 52m
Fri 11/66:57 pm -
1 stop21h 37m
Deal found 10/5![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/231:07 pm -
1 stop5h 36m
Tue 10/277:02 pm -
1 stop13h 38m
Deal found 10/8![United Airlines logo]()
$563
Best flights from Kansas City to DecaturDiscover carefully curated flight deals from Kansas City to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Kansas City to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/21:09 pm -
1 stop5h 01m
Fri 11/66:57 pm -
1 stop22h 37m
Deal found 10/7![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/221:07 pm -
1 stop4h 46m
Mon 10/266:57 pm -
1 stop15h 34m
Deal found 10/7![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/411:18 am -
1 stop6h 52m
Fri 11/66:57 pm -
1 stop21h 37m
Deal found 10/5![United Airlines logo]()
$536
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/231:07 pm -
1 stop5h 36m
Tue 10/277:02 pm -
2 stops39h 48m
Deal found 10/8![United Airlines logo]()
$689
Last-minute flights from Kansas City to DecaturDiscover last-minute flight deals from Kansas City to Decatur. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Decatur. Data last updated October 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/221:07 pm -
1 stop4h 46m
Mon 10/266:57 pm -
1 stop15h 34m
Deal found 10/7![United Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/231:07 pm -
1 stop5h 36m
Tue 10/277:02 pm -
1 stop13h 38m
Deal found 10/8![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/21:09 pm -
1 stop5h 01m
Fri 11/66:57 pm -
1 stop22h 37m
Deal found 10/7![United Airlines logo]()
$450
This United Airlines deal was found by Cheapflights users on 10/5. 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 11/411:18 am -
1 stop6h 52m
Fri 11/66:57 pm -
1 stop21h 37m
Deal found 10/5![United Airlines logo]()
$536
Find flight deals from Kansas City to Decatur
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $450 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City 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 9, 2026.
Use the filters below to find and compare flights from Kansas City to Decatur that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityDecatur
MCI Kansas City - DEC Decatur Arpt
MCIDEC
Kansas City
Mon 11/2
1:09 pm-6:10 pm
1 stop5h 01m
Decatur Arpt
Fri 11/6
6:57 pm-5:34 pm
1 stop22h 37m
$450
Quickest round-trip
Kansas CityDecatur
MCI Kansas City - DEC Decatur Arpt
MCIDEC
Kansas City
Thu 10/22
1:07 pm-5:53 pm
1 stop4h 46m
Decatur Arpt
Mon 10/26
6:57 pm-10:31 am
1 stop15h 34m
$515
Kansas CityDecatur
MCI Kansas City - DEC Decatur Arpt
MCIDEC
Kansas City
Wed 11/4
11:18 am-6:10 pm
1 stop6h 52m
Decatur Arpt
Fri 11/6
6:57 pm-4:34 pm
1 stop21h 37m
$536
Kansas CityDecatur
MCI Kansas City - DEC Decatur Arpt
MCIDEC
Kansas City
Fri 10/23
1:07 pm-6:43 pm
1 stop5h 36m
Decatur Arpt
Tue 10/27
7:02 pm-10:50 am
2 stops39h 48m
$689
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Kansas City-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Decatur, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-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 Kansas City-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 Kansas City to Decatur
Have a flexible travel schedule? Discover the best time to fly to Decatur from Kansas City with our price prediction graph.
MCI-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.
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Decatur. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Decatur?
Book flights to Decatur if you plan to visit one of these locationsEffingham
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