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ICN to IAG: distance & flight time
Seoul (Incheon International Airport) → Niagara Falls (Niagara Falls International Airport)
6,646 mi
10,695 km · 5,775 nm
13h 30m
estimated nonstop flight time
-13h
time difference · heading north
See live ICN→IAG fares Phone-only fares on this route — call free
Flight time details
6,646 miles nonstop takes roughly 13h 30m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- ICN — Incheon International Airport · Seoul, South Korea
- 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 ICN
- GMP · Gimpo International Airport20 mi away
- SWU · Suwon Airport34 mi away
- SSN · Seoul Air Base (K-16)36 mi away
- OSN · Osan Air Base41 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 ICN from IAG?
The flight distance from Seoul (ICN) to Niagara Falls (IAG) is 6,646 miles (10,695 km, 5,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ICN to IAG?
A nonstop flight takes about 13h 30m 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 Seoul and Niagara Falls?
Niagara Falls is 13 hours behind Seoul.
What is the cheapest way to fly from ICN to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ICN–IAG that never appear on search engines, with no booking fees.