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DEF to IAG: distance & flight time
Dezful (Dezful Airport) → Niagara Falls (Niagara Falls International Airport)
6,247 mi
10,054 km · 5,429 nm
12h 43m
estimated nonstop flight time
-7.5h
time difference · heading northwest
See live DEF→IAG fares Phone-only fares on this route — call free
Flight time details
6,247 miles nonstop takes roughly 12h 43m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7.5-hour time set-back when reading arrival times on your ticket.
The two airports
- DEF — Dezful Airport · Dezful, Iran
- 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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
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 DEF from IAG?
The flight distance from Dezful (DEF) to Niagara Falls (IAG) is 6,247 miles (10,054 km, 5,429 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DEF to IAG?
A nonstop flight takes about 12h 43m 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 Dezful and Niagara Falls?
Niagara Falls is 7.5 hours behind Dezful.
What is the cheapest way to fly from DEF to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DEF–IAG that never appear on search engines, with no booking fees.