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YSM to IAG: distance & flight time
Fort Smith (Fort Smith Airport) → Niagara Falls (Niagara Falls International Airport)
1,805 mi
2,905 km · 1,569 nm
4h
estimated nonstop flight time
+2h
time difference · heading southeast
See live YSM→IAG fares Phone-only fares on this route — call free
Flight time details
1,805 miles nonstop takes roughly 4h gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- YSM — Fort Smith Airport · Fort Smith, Canada
- 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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 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 YSM from IAG?
The flight distance from Fort Smith (YSM) to Niagara Falls (IAG) is 1,805 miles (2,905 km, 1,569 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to IAG?
A nonstop flight takes about 4h 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 Fort Smith and Niagara Falls?
Niagara Falls is 2 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to IAG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–IAG that never appear on search engines, with no booking fees.