Need help booking?
Unpublished phone-only deals available
DEC to BUF: distance & flight time
Decatur (Decatur Airport) → Buffalo (Buffalo Niagara International Airport)
567 mi
912 km · 493 nm
1h 42m
estimated nonstop flight time
+1h
time difference · heading northeast
See live DEC→BUF fares Phone-only fares on this route — call free
Flight time details
567 miles nonstop takes roughly 1h 42m gate to gate, flying northeast. 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
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is DEC from BUF?
The flight distance from Decatur (DEC) to Buffalo (BUF) is 567 miles (912 km, 493 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to BUF?
A nonstop flight takes about 1h 42m 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 Buffalo?
Buffalo is 1 hour ahead of Decatur.
What is the cheapest way to fly from DEC to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–BUF that never appear on search engines, with no booking fees.