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ISN to YSF: distance & flight time
Williston (Sloulin Field International Airport) → Stony Rapids (Stony Rapids Airport)
770 mi
1,239 km · 669 nm
2h 8m
estimated nonstop flight time
-1h
time difference · heading north
See live ISN→YSF fares Phone-only fares on this route — call free
Flight time details
770 miles nonstop takes roughly 2h 8m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- YSF — Stony Rapids Airport · Stony Rapids, 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 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
Frequently asked questions
How far is ISN from YSF?
The flight distance from Williston (ISN) to Stony Rapids (YSF) is 770 miles (1,239 km, 669 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to YSF?
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 Williston and Stony Rapids?
Stony Rapids is 1 hour behind Williston.
What is the cheapest way to fly from ISN to YSF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–YSF that never appear on search engines, with no booking fees.