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DEC to IAG: distance & flight time
Decatur (Decatur Airport) → Niagara Falls (Niagara Falls International Airport)
561 mi
902 km · 487 nm
1h 41m
estimated nonstop flight time
+1h
time difference · heading northeast
See live DEC→IAG fares Phone-only fares on this route — call free
Flight time details
561 miles nonstop takes roughly 1h 41m 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
- IAG — Niagara Falls International Airport · Niagara Falls, 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 IAG
- YYZ · Lester B. Pearson International Airport52 mi away
- YCM · Niagara District Airport13 mi away
- BUF · Buffalo Niagara International Airport16 mi away
- DU9 · Dunnville Airport37 mi away
Frequently asked questions
How far is DEC from IAG?
The flight distance from Decatur (DEC) to Niagara Falls (IAG) is 561 miles (902 km, 487 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEC to IAG?
A nonstop flight takes about 1h 41m 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 Niagara Falls?
Niagara Falls is 1 hour ahead of Decatur.
What is the cheapest way to fly from DEC to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEC–IAG that never appear on search engines, with no booking fees.