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YSM to BUF: distance & flight time
Fort Smith (Fort Smith Airport) → Buffalo (Buffalo Niagara International Airport)
1,821 mi
2,930 km · 1,582 nm
4h 2m
estimated nonstop flight time
+2h
time difference · heading southeast
See live YSM→BUF fares Phone-only fares on this route — call free
Flight time details
1,821 miles nonstop takes roughly 4h 2m 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
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is YSM from BUF?
The flight distance from Fort Smith (YSM) to Buffalo (BUF) is 1,821 miles (2,930 km, 1,582 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to BUF?
A nonstop flight takes about 4h 2m 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 Buffalo?
Buffalo is 2 hours ahead of Fort Smith.
What is the cheapest way to fly from YSM to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–BUF that never appear on search engines, with no booking fees.