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YSF to ISN: distance & flight time
Stony Rapids (Stony Rapids Airport) → Williston (Sloulin Field International Airport)
770 mi
1,239 km · 669 nm
2h 8m
estimated nonstop flight time
+1h
time difference · heading south
See live YSF→ISN fares Phone-only fares on this route — call free
Flight time details
770 miles nonstop takes roughly 2h 8m gate to gate, flying south. 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
- YSF — Stony Rapids Airport · Stony Rapids, Canada
- ISN — Sloulin Field International Airport · Williston, 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 YSF
- ZFD · Fond-Du-Lac Airport48 mi away
- YNL · Points North Landing Airport92 mi away
- YBE · Uranium City Airport95 mi away
- ZWL · Wollaston Lake Airport124 mi away
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
Frequently asked questions
How far is YSF from ISN?
The flight distance from Stony Rapids (YSF) to Williston (ISN) is 770 miles (1,239 km, 669 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YSF to ISN?
A nonstop flight takes about 2h 8m 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 Stony Rapids and Williston?
Williston is 1 hour ahead of Stony Rapids.
What is the cheapest way to fly from YSF to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YSF–ISN that never appear on search engines, with no booking fees.