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.

$348 Cheap Flights from Missouri to Decatur in 2025/26

1 adult

0 bags

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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.

6:35 pm - 9:05 amSTL-DEC

14h 30m1 stop

9:44 am - 2:26 pmDEC-STL

4h 42m1 stop

$348United Airlines

Find Deal

Mon, Dec 22 - Mon, Dec 29

5:27 pm - 8:48 amSTL-DEC

15h 21m1 stop

9:49 am - 2:25 pmDEC-STL

4h 36m1 stop

$384United Airlines

Find Deal

Wed, Dec 10 - Sun, Dec 14

6:35 pm - 9:05 amSTL-DEC

14h 30m1 stop

7:09 pm - 10:43 pmDEC-STL

3h 34m1 stop

$410United Airlines

Find Deal

Tue, Dec 23 - Tue, Dec 30

1:00 pm - 5:52 pmSTL-DEC

4h 52m1 stop

7:08 pm - 3:40 pmDEC-STL

20h 32m1 stop

$454United Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

United Airlines flights from Missouri to Decatur, Illinois

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

United Airlines

Dec 22

STL6:35 pmLambert-St Louis

14h 30m

1 stop

DEC9:05 amDecatur Arpt

Dec 29

DEC9:44 amDecatur Arpt

4h 42m

1 stop

STL2:26 pmLambert-St Louis

$348

Find similar

United Airlines

Dec 10

STL5:27 pmLambert-St Louis

15h 21m

1 stop

DEC8:48 amDecatur Arpt

Dec 14

DEC9:49 amDecatur Arpt

4h 36m

1 stop

STL2:25 pmLambert-St Louis

$384

Find similar

United Airlines

Dec 23

STL6:35 pmLambert-St Louis

14h 30m

1 stop

DEC9:05 amDecatur Arpt

Dec 30

DEC7:09 pmDecatur Arpt

3h 34m

1 stop

STL10:43 pmLambert-St Louis

$410

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 12/22

6:35 pm-9:05 am

1 stop14h 30m

Decatur Arpt

Mon 12/29

9:44 am-2:26 pm

1 stop4h 42m

$348

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Wed 12/10

5:27 pm-8:48 am

1 stop15h 21m

Decatur Arpt

Sun 12/14

9:49 am-2:25 pm

1 stop4h 36m

$384

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Tue 12/23

6:35 pm-9:05 am

1 stop14h 30m

Decatur Arpt

Tue 12/30

7:09 pm-10:43 pm

1 stop3h 34m

$410

St. LouisDecatur

STL - DEC

STLDEC

Lambert-St Louis

Tue 12/9

1:00 pm-5:52 pm

1 stop4h 52m

Decatur Arpt

Sat 12/13

7:08 pm-3:40 pm

1 stop20h 32m

$454

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

Fastest flight time	15h 21m
Direct flights	None

The fastest flight from Missouri to Decatur, Illinois takes 15h 21m

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

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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.