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ZAC to ISN: distance & flight time
York Landing (York Landing Airport) → Williston (Sloulin Field International Airport)
633 mi
1,018 km · 550 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ZAC→ISN fares Phone-only fares on this route — call free
Flight time details
633 miles nonstop takes roughly 1h 51m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ZAC — York Landing Airport · York Landing, 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 ZAC
- KES · Kelsey Airport17 mi away
- ILF · Ilford Airport18 mi away
- PIW · Pikwitonei Airport54 mi away
- YGX · Gillam Airport56 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 ZAC from ISN?
The flight distance from York Landing (ZAC) to Williston (ISN) is 633 miles (1,018 km, 550 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZAC to ISN?
A nonstop flight takes about 1h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from ZAC to ISN?
Nonstop service on ZAC–ISN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 51m nonstop estimate.
What is the cheapest way to fly from ZAC to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZAC–ISN that never appear on search engines, with no booking fees.
Why are some ZAC to ISN fares phone-only?
Consolidator contracts let us sell certain ZAC–ISN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.