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ISN to YYW: distance & flight time
Williston (Sloulin Field International Airport) → Armstrong (Armstrong Airport)
679 mi
1,093 km · 590 nm
1h 57m
estimated nonstop flight time
+1h
time difference · heading east
See live ISN→YYW fares Phone-only fares on this route — call free
Flight time details
679 miles nonstop takes roughly 1h 57m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- YYW — Armstrong Airport · Armstrong, 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 YYW
- YGQ · Geraldton Greenstone Regional Airport94 mi away
- YPL · Pickle Lake Airport98 mi away
- YFH · Fort Hope Airport98 mi away
- YQN · Nakina Airport98 mi away
Frequently asked questions
How far is ISN from YYW?
The flight distance from Williston (ISN) to Armstrong (YYW) is 679 miles (1,093 km, 590 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to YYW?
A nonstop flight takes about 1h 57m 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 Armstrong?
Armstrong is 1 hour ahead of Williston.
What is the cheapest way to fly from ISN to YYW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–YYW that never appear on search engines, with no booking fees.