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DEC to ATL: distance & flight time
Decatur (Decatur Airport) → Atlanta (Hartsfield Jackson Atlanta International Airport)
494 mi
794 km · 429 nm
1h 32m
estimated nonstop flight time
+1h
time difference · heading southeast
See live DEC→ATL fares Phone-only fares on this route — call free
Flight time details
494 miles nonstop takes roughly 1h 32m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- DEC — Decatur Airport · Decatur, United States
- ATL — Hartsfield Jackson Atlanta International Airport · Atlanta, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near DEC
Near ATL
- FTY · Fulton County Airport Brown Field11 mi away
- PDK · DeKalb Peachtree Airport18 mi away
- MGE · Dobbins Air Reserve Base20 mi away
- LZU · Gwinnett County Briscoe Field36 mi away
Frequently asked questions
How far is DEC from ATL?
The flight distance from Decatur (DEC) to Atlanta (ATL) is 494 miles (794 km, 429 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to ATL?
A nonstop flight takes about 1h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Decatur and Atlanta?
Atlanta is 1 hour ahead of Decatur.
What is the cheapest way to fly from DEC to ATL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–ATL that never appear on search engines, with no booking fees.