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IAG to SFZ: distance & flight time
Niagara Falls (Niagara Falls International Airport) → Smithfield (North Central State Airport)
388 mi
625 km · 337 nm
1h 29m
estimated nonstop flight time
Same time
time difference · heading east
See live IAG→SFZ fares Phone-only fares on this route — call free
Flight time details
388 miles nonstop takes roughly 1h 29m gate to gate, flying east. 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
- IAG — Niagara Falls International Airport · Niagara Falls, United States
- SFZ — North Central State Airport · Smithfield, 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 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
Near SFZ
- BOS · General Edward Lawrence Logan International Airport39 mi away
- PVD · Theodore Francis Green State Airport14 mi away
- NCO · Quonset State Airport23 mi away
- OWD · Norwood Memorial Airport25 mi away
Frequently asked questions
How far is IAG from SFZ?
The flight distance from Niagara Falls (IAG) to Smithfield (SFZ) is 388 miles (625 km, 337 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAG to SFZ?
A nonstop flight takes about 1h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAG to SFZ?
Nonstop service on IAG–SFZ depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 29m nonstop estimate.
What is the cheapest way to fly from IAG to SFZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAG–SFZ that never appear on search engines, with no booking fees.
Why are some IAG to SFZ fares phone-only?
Consolidator contracts let us sell certain IAG–SFZ tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.