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ZGR to ISN: distance & flight time
Little Grand Rapids (Little Grand Rapids Airport) → Williston (Sloulin Field International Airport)
450 mi
724 km · 391 nm
1h 27m
estimated nonstop flight time
Same time
time difference · heading southwest
See live ZGR→ISN fares Phone-only fares on this route — call free
Flight time details
450 miles nonstop takes roughly 1h 27m 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
- ZGR — Little Grand Rapids Airport · Little Grand 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 ZGR
- YHP · Poplar Hill Airport52 mi away
- YPM · Pikangikum Airport65 mi away
- YBV · Berens River Airport69 mi away
- YVZ · Deer Lake Airport73 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 ZGR from ISN?
The flight distance from Little Grand Rapids (ZGR) to Williston (ISN) is 450 miles (724 km, 391 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZGR to ISN?
A nonstop flight takes about 1h 27m 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 cheapest way to fly from ZGR to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZGR–ISN that never appear on search engines, with no booking fees.