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ISN to MWH: distance & flight time
Williston (Sloulin Field International Airport) → Grant County Airport (Grant County International Airport)
731 mi
1,176 km · 635 nm
2h 3m
estimated nonstop flight time
-2h
time difference · heading west
See live ISN→MWH fares Phone-only fares on this route — call free
Flight time details
731 miles nonstop takes roughly 2h 3m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- MWH — Grant County International Airport · Grant County Airport, 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 MWH
- EAT · Pangborn Memorial Airport44 mi away
- PSC · Tri Cities Airport66 mi away
- YKM · Yakima Air Terminal McAllister Field73 mi away
- SKA · Fairchild Air Force Base83 mi away
Frequently asked questions
How far is ISN from MWH?
The flight distance from Williston (ISN) to Grant County Airport (MWH) is 731 miles (1,176 km, 635 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to MWH?
A nonstop flight takes about 2h 3m 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 Grant County Airport?
Grant County Airport is 2 hours behind Williston.
What is the cheapest way to fly from ISN to MWH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–MWH that never appear on search engines, with no booking fees.