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GSP to IAG: distance & flight time
Greenville (Greenville Spartanburg International Airport) → Niagara Falls (Niagara Falls International Airport)
594 mi
956 km · 516 nm
1h 45m
estimated nonstop flight time
Same time
time difference · heading north
See live GSP→IAG fares Phone-only fares on this route — call free
Flight time details
594 miles nonstop takes roughly 1h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GSP — Greenville Spartanburg International Airport · Greenville, 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 GSP
- GMU · Greenville Downtown Airport8 mi away
- GDC · Donaldson Field Airport13 mi away
- SPA · Spartanburg Downtown Memorial Airport15 mi away
- CLT · Charlotte Douglas International Airport75 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 GSP from IAG?
The flight distance from Greenville (GSP) to Niagara Falls (IAG) is 594 miles (956 km, 516 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GSP to IAG?
A nonstop flight takes about 1h 45m 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 cheapest way to fly from GSP to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GSP–IAG that never appear on search engines, with no booking fees.