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BUF to YSM: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Fort Smith (Fort Smith Airport)
1,821 mi
2,930 km · 1,582 nm
4h 2m
estimated nonstop flight time
-2h
time difference · heading northwest
See live BUF→YSM fares Phone-only fares on this route — call free
Flight time details
1,821 miles nonstop takes roughly 4h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, United States
- YSM — Fort Smith Airport · Fort Smith, Canada
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 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
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
Frequently asked questions
How far is BUF from YSM?
The flight distance from Buffalo (BUF) to Fort Smith (YSM) 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 BUF to YSM?
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.
Are there nonstop flights from BUF to YSM?
Nonstop service on BUF–YSM 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 4h 2m nonstop estimate.
What is the time difference between Buffalo and Fort Smith?
Fort Smith is 2 hours behind Buffalo.
What is the cheapest way to fly from BUF to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–YSM that never appear on search engines, with no booking fees.
Why are some BUF to YSM fares phone-only?
Consolidator contracts let us sell certain BUF–YSM 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.