Cheap flights from Atlanta to Decatur (ATL - DEC)

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How to find the cheapest flight from
Atlanta (ATL) to Decatur (DEC)

All the information you need to plan the best ATL to DEC flight in 2022: compare Atlanta to Decatur flight prices with the expected peak season, weather and rainfall in Decatur.
What is the cheapest month to fly from Atlanta to Decatur, Illinois?

Flights from Atlanta to Decatur, Illinois lean towards being more expensive in March. Prices are generally better when you fly from Atlanta to Decatur, Illinois in December, with the cheapest ticket starting at $199.

When is the cheapest time to fly from Atlanta to Decatur, Illinois (ATL - DEC)?

It’s typically best to fly out from Atlanta to Decatur, Illinois in the morning. Doing so could potentially save you 14% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly round-trip from Atlanta to Decatur, Illinois?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

Related info for your journey

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

COVID Restrictions

View COVID Travel Restrictions for Decatur, IL

Do I need a COVID test to fly to Decatur from Atlanta?

Information is based on travel restrictions for travel to Decatur Arpt within the United States

Most visitors from Atlanta Hartsfield-Jackson need to provide a negative COVID-19 test result and/or quarantine to enter Decatur Arpt.

COVID-19 testing requirements
Visitors from Atlanta Hartsfield-Jackson are not required to present a negative COVID-19 PCR test or antigen result upon entering Decatur Arpt.

Quarantine requirements
Visitors from Atlanta Hartsfield-Jackson are not required to quarantine after entering Decatur Arpt.

Do I need a test to fly back to Atlanta from Decatur?

Returning to Atlanta Hartsfield-Jackson from Decatur Arpt

COVID-19 testing requirements
Visitors from Decatur Arpt are not required to present a negative COVID-19 PCR test or antigen result upon entering Atlanta Hartsfield-Jackson.

Quarantine requirements
Visitors from Decatur Arpt are not required to quarantine after entering Atlanta Hartsfield-Jackson.

Hide COVID Travel Restrictions for Decatur, IL

Alternative routes for Atlanta to Decatur

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Decatur

Things to know before you go - useful duration and weather info for your trip from Atlanta to Decatur.
Average temperature for June in Decatur
84.2 °F
Avg rainfall for June in Decatur
4.4 ″

Airports servicing Atlanta

Airports servicing Decatur

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