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ISN to PIR: distance & flight time
Williston (Sloulin Field International Airport) → Pierre (Pierre Regional Airport)
307 mi
494 km · 267 nm
1h 17m
estimated nonstop flight time
Same time
time difference · heading southeast
See live ISN→PIR fares Phone-only fares on this route — call free
Flight time details
307 miles nonstop takes roughly 1h 17m gate to gate, flying southeast. 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
- PIR — Pierre Regional Airport · Pierre, 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 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 PIR
- MBG · Mobridge Municipal Airport81 mi away
- HON · Huron Regional Airport102 mi away
- VTN · Miller Field106 mi away
- ABR · Aberdeen Regional Airport117 mi away
Frequently asked questions
How far is ISN from PIR?
The flight distance from Williston (ISN) to Pierre (PIR) is 307 miles (494 km, 267 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to PIR?
A nonstop flight takes about 1h 17m 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 PIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–PIR that never appear on search engines, with no booking fees.