How do I get Price Alerts for flights from Missouri to Decatur, Illinois?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Missouri from Decatur, Illinois . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Missouri to Decatur, Illinois with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Missouri to Decatur Arpt Airport?

Prices for flights from Missouri to Decatur Arpt Airport were last updated today.

How old do you have to be to fly from Missouri to Decatur Arpt Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Decatur Arpt Airport.

What documentation or ID do you need to fly to Decatur Arpt Airport?

The required travel and health documents for your Decatur Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Decatur Arpt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$351 Cheap Flights from Missouri to Decatur in 2025/26

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Find the cheapest flights from Missouri to Decatur

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:31 pm - 5:52 pmSTL-DEC

5h 21m1 stop

7:08 pm - 3:40 pmDEC-STL

20h 32m1 stop

$369United Airlines

Find Deal

Mon, Nov 24 - Mon, Dec 1

12:31 pm - 8:48 amSTL-DEC

20h 17m1 stop

7:08 pm - 10:45 pmDEC-STL

3h 37m1 stop

$481United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

12:31 pm - 5:52 pmSTL-DEC

5h 21m1 stop

9:44 am - 10:45 pmDEC-STL

13h 01m1 stop

$484United Airlines

Find Deal

Fri, Nov 14 - Mon, Nov 24

1:27 pm - 5:51 pmSTL-DEC

4h 24m1 stop

6:55 pm - 2:18 pmDEC-STL

19h 23m1 stop

$489United Airlines

Find Deal

Tue, Apr 14 - Sat, Apr 18

United Airlines flights from Missouri to Decatur, Illinois

Our best United Airlines deals on Missouri to Decatur, Illinois flight tickets

United Airlines

Nov 24

STL12:31 pmLambert-St Louis

5h 21m

1 stop

DEC5:52 pmDecatur Arpt

Dec 1

DEC7:08 pmDecatur Arpt

20h 32m

1 stop

STL3:40 pmLambert-St Louis

$369

Find similar

United Airlines

Nov 18

STL12:31 pmLambert-St Louis

20h 17m

1 stop

DEC8:48 amDecatur Arpt

Nov 22

DEC7:08 pmDecatur Arpt

3h 37m

1 stop

STL10:45 pmLambert-St Louis

$481

Find similar

United Airlines

Nov 14

STL12:31 pmLambert-St Louis

5h 21m

1 stop

DEC5:52 pmDecatur Arpt

Nov 24

DEC9:44 amDecatur Arpt

13h 01m

1 stop

STL10:45 pmLambert-St Louis

$484

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Missouri to Decatur, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Mon 11/24

12:31 pm-5:52 pm

1 stop5h 21m

Decatur Arpt

Mon 12/1

7:08 pm-3:40 pm

1 stop20h 32m

$369

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Tue 11/18

12:31 pm-8:48 am

1 stop20h 17m

Decatur Arpt

Sat 11/22

7:08 pm-10:45 pm

1 stop3h 37m

$481

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Fri 11/14

12:31 pm-5:52 pm

1 stop5h 21m

Decatur Arpt

Mon 11/24

9:44 am-10:45 pm

1 stop13h 01m

$484

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Tue 4/14

1:27 pm-5:51 pm

1 stop4h 24m

Decatur Arpt

Sat 4/18

6:55 pm-2:18 pm

1 stop19h 23m

$489

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Missouri to Decatur, Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Decatur, Illinois

Direct flights	None

There are no direct flights from Missouri to Decatur, Illinois. There are no popular flight routes from Missouri to Decatur, Illinois.

Search flight deals

When did momondo last update prices for flights from Missouri to Decatur Arpt Airport?
Prices for flights from Missouri to Decatur Arpt Airport were last updated today.
How old do you have to be to fly from Missouri to Decatur Arpt Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Missouri to Decatur Arpt Airport.
What documentation or ID do you need to fly to Decatur Arpt Airport?
The required travel and health documents for your Decatur Arpt Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Decatur Arpt Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Missouri to Decatur, Illinois?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Missouri from Decatur, Illinois. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Missouri to Decatur, Illinois with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Effingham

Mattoon

Forsyth

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Decatur?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Missouri to Decatur for you.

Can I find flights from Missouri to Decatur with flexible booking policies on momondo?

momondo does allow users to show only those flights to Decatur from Missouri which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Missouri to Decatur?

Once all potential Missouri to Decatur flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Missouri to Decatur right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Decatur, momondo offers a useful price alert feature which will track prices for flights to Decatur from Missouri and alert you when they change.