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

Popular airlines from Lambert-St. Louis International Airport (STL) to Decatur, IL (DEC)

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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 Lambert Field to Decatur Airport?
The lowest price advertised for a round-trip journey from Lambert-St. Louis Intl. Airport (STL) to Decatur Airport is . But you better get a move on. This price is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert-St. Louis Intl. Airport (STL) to Decatur Airport?
We get that things come up unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from STL to DEC that have flexible change policies?
Flights from Lambert Field to Decatur Airport offering flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between the two flights, without any extra fees to worry about.
How many hours is the flight from Lambert Field to DEC?
The flight from STL to DEC is a mere 2 hours and 40 minutes, so don't get too settled. There's a good chance the next time you look out the window you'll be about to land in Decatur.
How far is the flight from STL to Decatur Airport?
The distance from Lambert-St. Louis Intl. Airport (STL) (STL) to DEC (DEC) is only 180 kilometres. You'll be disembarking the plane and picking up your bags from the carousel in no time at all.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Decatur Airport (DEC)?
Flying directly between Lambert-St. Louis Intl. Airport (STL) and Decatur Airport (DEC) isn't possible right now. However, you'll still be able to find a flight to Decatur with at least one stop.
Are Lambert-St. Louis Intl. Airport (STL) to Decatur Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Lambert Field to DEC at the last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather not take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

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