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IAD to YSM: distance & flight time
Washington (Washington Dulles International Airport) → Fort Smith (Fort Smith Airport)
2,083 mi
3,352 km · 1,810 nm
4h 33m
estimated nonstop flight time
-2h
time difference · heading northwest
See live IAD→YSM fares Phone-only fares on this route — call free
Flight time details
2,083 miles nonstop takes roughly 4h 33m 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
- IAD — Washington Dulles International Airport · Washington, 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 IAD
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 IAD from YSM?
The flight distance from Washington (IAD) to Fort Smith (YSM) is 2,083 miles (3,352 km, 1,810 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to YSM?
A nonstop flight takes about 4h 33m 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 Washington and Fort Smith?
Fort Smith is 2 hours behind Washington.
What is the cheapest way to fly from IAD to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–YSM that never appear on search engines, with no booking fees.