$384+ Cheap flights from Madison to Decatur, IL (MSN - 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
MSN — DEC
Oct 10 — Oct 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Madison 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Madison to Decatur
Cheapest
Best
Last-minute
Cheapest flights from Madison to DecaturExplore the most affordable flight options available from Madison to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
Explore the most affordable flight options available from Madison to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2412:39 pm -
1 stop6h 04m
Mon 9/287:18 pm -
1 stop3h 17m
Deal found 9/9![United Airlines logo]()
$384
Best flights from Madison to DecaturDiscover carefully curated flight deals from Madison to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Madison to Decatur that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2412:39 pm -
1 stop6h 04m
Mon 9/287:18 pm -
1 stop3h 17m
Deal found 9/9![United Airlines logo]()
$384
Last-minute flights from Madison to DecaturDiscover last-minute flight deals from Madison to Decatur. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Madison to Decatur. Data last updated September 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/2412:39 pm -
1 stop6h 04m
Mon 9/287:18 pm -
1 stop3h 17m
Deal found 9/9![United Airlines logo]()
$384
Find flight deals from Madison to Decatur
Discover tips and strategies to find the most affordable flight options for your journey from Madison (MSN) 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $384 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Madison 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 September 10, 2026.
Use the filters below to find and compare flights from Madison to Decatur that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
MadisonDecatur
MSN Madison Truax Field - DEC Decatur Arpt
MSNDEC
Madison Truax Field
Thu 9/24
12:39 pm-6:43 pm
1 stop6h 04m
Decatur Arpt
Mon 9/28
7:18 pm-10:35 pm
1 stop3h 17m
$384
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Madison-Decatur, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Madison-Decatur, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Madison-Decatur, Illinois flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Madison-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 Madison-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 Madison to Decatur
Have a flexible travel schedule? Discover the best time to fly to Decatur from Madison with our price prediction graph.
MSN-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 Madison 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 locationsMattoon
Effingham
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Decatur flight routes
Flights by cabin class
Other flight options
Other flights from Madison
Popular flights