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CVG to IAG: distance & flight time
Cincinnati (Cincinnati Northern Kentucky International Airport) → Niagara Falls (Niagara Falls International Airport)
409 mi
658 km · 355 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northeast
See live CVG→IAG fares Phone-only fares on this route — call free
Flight time details
409 miles nonstop takes roughly 1h 21m gate to gate, flying northeast. 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
- CVG — Cincinnati Northern Kentucky International Airport · Cincinnati, 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 CVG
- LUK · Cincinnati Municipal Airport Lunken Field14 mi away
- HAO · Butler Co Regional Airport - Hogan Field23 mi away
- MGY · Dayton-Wright Brothers Airport44 mi away
- ILN · Wilmington Airpark54 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 CVG from IAG?
The flight distance from Cincinnati (CVG) to Niagara Falls (IAG) is 409 miles (658 km, 355 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CVG to IAG?
A nonstop flight takes about 1h 21m 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 CVG to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CVG–IAG that never appear on search engines, with no booking fees.