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ISN to YAM: distance & flight time
Williston (Sloulin Field International Airport) → Sault Sainte Marie (Sault Ste Marie Airport)
901 mi
1,450 km · 783 nm
2h 26m
estimated nonstop flight time
+1h
time difference · heading east
See live ISN→YAM fares Phone-only fares on this route — call free
Flight time details
901 miles nonstop takes roughly 2h 26m gate to gate, flying east. 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
- ISN — Sloulin Field International Airport · Williston, United States
- YAM — Sault Ste Marie Airport · Sault Sainte Marie, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near YAM
Frequently asked questions
How far is ISN from YAM?
The flight distance from Williston (ISN) to Sault Sainte Marie (YAM) is 901 miles (1,450 km, 783 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to YAM?
A nonstop flight takes about 2h 26m 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 Williston and Sault Sainte Marie?
Sault Sainte Marie is 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to YAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–YAM that never appear on search engines, with no booking fees.