Cheap flights from St. Louis to Decatur (STL - DEC)
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1 adult, Economy
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What is the cheapest day to fly round-trip from St. Louis to Decatur, Illinois?
Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Decatur, Illinois. Check prices with Cheapflights to find a great deal for your trip.
When is the cheapest time to fly from St. Louis to Decatur, Illinois (STL - DEC)?
It’s typically best to fly out from St. Louis to Decatur, Illinois in the morning. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.
Related info for your journey
Useful info, stats and facts about St. Louis to Decatur flights.
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.
Other flights from St. Louis
Flights to Decatur from St. Louis
Can I fly to Decatur Arpt from Lambert-St Louis right now?
Information is based on travel restrictions for travel to Decatur Arpt within the United States
Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Decatur Arpt.
COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Decatur Arpt.
Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Decatur Arpt.
Most visitors from Lambert-St Louis need to provide a negative COVID-19 test result and/or quarantine to enter Decatur Arpt.
COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Decatur Arpt.
Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Decatur Arpt.
Can I fly back to Lambert-St Louis from Decatur Arpt?
Returning to Lambert-St Louis from Decatur Arpt
COVID-19 testing requirements
Visitors from Decatur Arpt must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.
Quarantine requirements
Visitors from Decatur Arpt are not required to quarantine after entering Lambert-St Louis.
COVID-19 testing requirements
Visitors from Decatur Arpt must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Lambert-St Louis.
Quarantine requirements
Visitors from Decatur Arpt are not required to quarantine after entering Lambert-St Louis.
Alternative routes for St. Louis to Decatur
See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Quincyfrom $77 pp
Kansas City to Molinefrom $215 pp
Top airline flying from St. Louis to Decatur
The chart below displays the airlines Cheapflights users traveling from St. Louis to Decatur choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Cheapest$58
Average$63
FlexibilityNo cancel fee
On-time63%
COVID-19 safety