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SUS to IAG: distance & flight time
Null (Spirit of St Louis Airport) → Niagara Falls (Niagara Falls International Airport)
683 mi
1,100 km · 594 nm
1h 57m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SUS→IAG fares Phone-only fares on this route — call free
Flight time details
683 miles nonstop takes roughly 1h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SUS — Spirit of St Louis Airport · Null, 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 SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 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 SUS from IAG?
The flight distance from Null (SUS) to Niagara Falls (IAG) is 683 miles (1,100 km, 594 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SUS to IAG?
A nonstop flight takes about 1h 57m 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 Null and Niagara Falls?
Niagara Falls is 1 hour ahead of Null.
What is the cheapest way to fly from SUS to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SUS–IAG that never appear on search engines, with no booking fees.