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COE to ISN: distance & flight time
Coeur d'Alene (Coeur D'Alene - Pappy Boyington Field) → Williston (Sloulin Field International Airport)
609 mi
981 km · 530 nm
1h 47m
estimated nonstop flight time
+2h
time difference · heading east
See live COE→ISN fares Phone-only fares on this route — call free
Flight time details
609 miles nonstop takes roughly 1h 47m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- COE — Coeur D'Alene - Pappy Boyington Field · Coeur d'Alene, United States
- 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 COE
- SFF · Felts Field24 mi away
- GEG · Spokane International Airport35 mi away
- SKA · Fairchild Air Force Base40 mi away
- PUW · Pullman Moscow Regional Airport72 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 COE from ISN?
The flight distance from Coeur d'Alene (COE) to Williston (ISN) is 609 miles (981 km, 530 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COE to ISN?
A nonstop flight takes about 1h 47m 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 Coeur d'Alene and Williston?
Williston is 2 hours ahead of Coeur d'Alene.
What is the cheapest way to fly from COE to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COE–ISN that never appear on search engines, with no booking fees.