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Decatur

$294+ Cheap flights from Missouri 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — DEC
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Missouri to Decatur

Cheapest flights from Missouri to Decatur
Explore the most affordable flight options available from Missouri to Decatur. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:35 pmSTL - DEC
1 stop14h 30mUnited Airlines
Wed 12/249:44 amDEC - STL
1 stop6h 43mUnited Airlines
Deal found 12/17$617

Find flight deals from Missouri to Decatur

Keep the following information in mind while searching for Missouri to Decatur flight deals. Data was last updated December 18, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$294
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Decatur Arpt flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Decatur Arpt flights.
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From Missouri to Decatur Arpt
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri 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 December 18, 2025.
Use the filters below to find and compare flights from Missouri to Decatur that are best for you.

Fly from

Missouri

Fly to

Decatur

Route

Depart

Return

Price

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Wed 4/1

11:25 am-5:51 pm

1 stop6h 26m

Decatur Arpt

Sat 4/4

6:55 pm-10:59 pm

1 stop4h 04m

$294

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Thu 1/1

5:02 pm-5:59 pm

1 stop24h 57m

Decatur Arpt

Mon 1/5

7:09 pm-9:13 pm

1 stop26h 04m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Missouri to Decatur

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

Cheapflights Insights

Everything you need to know about your flight from Missouri to Decatur
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Decatur from Missouri?

    Decatur Arpt (DEC), located 4.7 mi from the city center, is the airport you fly into when you book flights from Missouri to Decatur.

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

    United Airlines can get you from Missouri to Decatur, Illinois in just under 6h 26m. Your travel time can differ by up to . Airlines will cover a distance of 110 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missouri 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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