Cheap Flights from St. Louis (STL) to Decatur (DEC)

Featured airlines

    Plan, book, fly with confidence
  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
Flight from St. Louis to Decatur (STL - DEC) route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Decatur
Distance
175 km

St. Louis to Decatur Flights

The easy way to book your flights from St. Louis to Decatur 

With Expedia, it’s simple to find and book flights to Decatur from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Decatur, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Decatur today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Decatur, DEC 

Sort your search results by price to find great deals on your flight from St. Louis to Decatur—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Decatur from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Decatur  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Decatur from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Decatur with Expedia today.

Frequently asked questions

How much is a flight from St. Louis Lambert International Airport to Decatur Airport?
Pack your bags, because round-trip flights from STL to Decatur Airport (DEC) start from . That’s based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from St. Louis Lambert International Airport to Decatur Airport (DEC)?
This differs between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from St. Louis Lambert International Airport to Decatur Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for STL to Decatur Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from STL to Decatur Airport?
You can forget about a movie marathon on this flight — it’s only 180 kilometers from St. Louis to Decatur. Find your seat, buckle up and you’ll be there in no time.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to DEC?
If you want to travel straight from St. Louis Lambert International Airport to Decatur Airport, you’ll need to book a flight with one or more stops. Unfortunately, there are no airlines that fly directly between these airports.
Are Lambert-St. Louis Intl. Airport (STL) to Decatur Airport (DEC) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert Field to Decatur Airport last minute could be your ticket to a fantastic deal. However, you might miss out on a flight altogether! If you’d rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains as far ahead as 12 months in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated all the time on Expedia.
*Available to Expedia members.