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YSM to SUS: distance & flight time
Fort Smith (Fort Smith Airport) → Null (Spirit of St Louis Airport)
1,743 mi
2,805 km · 1,514 nm
3h 53m
estimated nonstop flight time
+1h
time difference · heading southeast
See live YSM→SUS fares Phone-only fares on this route — call free
Flight time details
1,743 miles nonstop takes roughly 3h 53m gate to gate, flying southeast. 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
- YSM — Fort Smith Airport · Fort Smith, Canada
- SUS — Spirit of St Louis Airport · Null, 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 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
Frequently asked questions
How far is YSM from SUS?
The flight distance from Fort Smith (YSM) to Null (SUS) is 1,743 miles (2,805 km, 1,514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSM to SUS?
A nonstop flight takes about 3h 53m 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 Null?
Null is 1 hour ahead of Fort Smith.
What is the cheapest way to fly from YSM to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSM–SUS that never appear on search engines, with no booking fees.