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STI to IAG: distance & flight time
Santiago (Cibao International Airport) → Niagara Falls (Niagara Falls International Airport)
1,708 mi
2,749 km · 1,484 nm
3h 49m
estimated nonstop flight time
Same time
time difference · heading north
See live STI→IAG fares Phone-only fares on this route — call free
Flight time details
1,708 miles nonstop takes roughly 3h 49m 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
- STI — Cibao International Airport · Santiago, Dominican Republic
- 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 STI
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 STI from IAG?
The flight distance from Santiago (STI) to Niagara Falls (IAG) is 1,708 miles (2,749 km, 1,484 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STI to IAG?
A nonstop flight takes about 3h 49m 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 STI to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STI–IAG that never appear on search engines, with no booking fees.