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ISN to MSA: distance & flight time
Williston (Sloulin Field International Airport) → Muskrat Dam (Muskrat Dam Airport)
632 mi
1,017 km · 549 nm
1h 50m
estimated nonstop flight time
Same time
time difference · heading northeast
See live ISN→MSA fares Phone-only fares on this route — call free
Flight time details
632 miles nonstop takes roughly 1h 50m gate to gate, flying northeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
- MSA — Muskrat Dam Airport · Muskrat Dam, 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 MSA
- ZPB · Sachigo Lake Airport36 mi away
- ZRJ · Round Lake (Weagamow Lake) Airport39 mi away
- XBE · Bearskin Lake Airport47 mi away
- KEW · Keewaywin Airport54 mi away
Frequently asked questions
How far is ISN from MSA?
The flight distance from Williston (ISN) to Muskrat Dam (MSA) is 632 miles (1,017 km, 549 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to MSA?
A nonstop flight takes about 1h 50m 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 ISN to MSA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–MSA that never appear on search engines, with no booking fees.