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CTB to ISN: distance & flight time
Cutbank (Cut Bank International Airport) → Williston (Sloulin Field International Airport)
402 mi
646 km · 349 nm
1h 20m
estimated nonstop flight time
+1h
time difference · heading east
See live CTB→ISN fares Phone-only fares on this route — call free
Flight time details
402 miles nonstop takes roughly 1h 20m 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
- CTB — Cut Bank International Airport · Cutbank, 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 CTB
- YQL · Lethbridge County Airport73 mi away
- FCA · Glacier Park International Airport89 mi away
- GTF · Great Falls International Airport91 mi away
- WPC · Pincher Creek Airport97 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 CTB from ISN?
The flight distance from Cutbank (CTB) to Williston (ISN) is 402 miles (646 km, 349 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTB to ISN?
A nonstop flight takes about 1h 20m 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 Cutbank and Williston?
Williston is 1 hour ahead of Cutbank.
What is the cheapest way to fly from CTB to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTB–ISN that never appear on search engines, with no booking fees.