Cheap flights from St Louis to Decatur (STL - DEC)

Know your dates, get live prices in seconds:

From
To
Depart
–
Return
Any month
Compare vs. Cheapflights |
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
Add another flight clear all

We work with more than 300 partners to bring you better travel deals

Home North America USA Illinois Decatur Cheap flights from St Louis to Decatur

How to find the cheapest flight from
St Louis (STL) to Decatur (DEC)

All the information you need to plan the best STL to DEC flight in 2021: compare St Louis to Decatur flight prices with the expected peak season, weather and rainfall in Decatur.
What is the cheapest day to fly round-trip from St Louis to Decatur?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 16% on your flight compared to booking on days when demand is much higher.

When is the cheapest time to fly from St Louis to Decatur (STL - DEC)?

Unlike at noon, when flights are generally more expensive, you can save up to 15% on flights from St Louis to Decatur by exploring options for tickets in the morning.

St Louis to Decatur 2021 flight deals

Cheap flights to Decatur from St Louis found for this year
4 Aug - 9 Aug
$230pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
DEC
Decatur Arpt
DEC
Decatur Arpt
United Airlines
 
1 STOP
STL
Lambert-St Louis
7 Aug - 10 Aug
$242pp
STL
Lambert-St Louis
United Airlines
 
1 STOP
DEC
Decatur Arpt
DEC
Decatur Arpt
United Airlines
 
1 STOP
STL
Lambert-St Louis

Related info for your journey

Useful info, stats and facts about <span class="emphasized">St Louis</span> to <span class="emphasized">Decatur</span> flights.

Flight FAQs

From St Louis to Decatur

Are flight prices decreasing from St Louis to Decatur due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Decatur for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Lambert-St Louis to Decatur Arpt have flexible changes due to COVID-19?

One of the carriers operating flights from Lambert-St Louis to Decatur Arpt that may be offering flexible change policies is Cape Air. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from St Louis to Decatur for under $300 on Cheapflights?

Yes, there are multiple flights from St Louis to Decatur for under $300. The cheapest flight booked recently is on United Airlines for just $230, but on average you can expect to pay $236.

Are there nonstop flights from St Louis to Decatur for under $200 on Cheapflights?

There are no nonstop flights from St Louis to Decatur, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Does it rain more in St Louis or Decatur?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in St Louis is roughly greater than that of Decatur. You can assume this to be the case over the next 18 days.

Is St Louis weather warmer or cooler than Decatur?

You can imagine temperatures to be in the 90 °F range in July. The weather in Decatur is generally colder than St Louis's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

How long is the flight from St Louis to Decatur?

A quick flight from St Louis to Decatur can take about 3h 16m. United Airlines provides one of the quickest options available for as low as $230.

What is the cheapest airline to fly from St Louis to Decatur round-trip?

United Airlines, at $230, was found to be the cheapest airline from St Louis to Decatur..

Related searches

Flights to Decatur from St Louis
Flights to St Louis Flights to Decatur Flights from Decatur

Rent a Car

Car Rentals in Decatur Car Rentals in Illinois

Alternative routes for St Louis to Decatur

See prices for flight routes from nearby airports that may be better suited for you.
Springfield to Bloomington from $297 pp
Kansas City to Moline from $417 pp

Destination information for Decatur

Things to know before you go - useful duration and weather info for your trip from St Louis to Decatur.
Average temperature for May in Decatur
75.2 °F
Avg rainfall for May in Decatur
4.1 ″

Airports servicing St. Louis

St Louis (STL)

Airports servicing Decatur

Decatur (DEC)

Popular flight searches

Check out other popular destinations found by fellow travelers in 2021.
Home North America USA Illinois Decatur Cheap flights from St Louis to Decatur