Need help booking?
Unpublished phone-only deals available
YKU to ISN: distance & flight time
Chisasibi (Chisasibi Airport) → Williston (Sloulin Field International Airport)
1,136 mi
1,829 km · 988 nm
2h 56m
estimated nonstop flight time
-1h
time difference · heading west
See live YKU→ISN fares Phone-only fares on this route — call free
Flight time details
1,136 miles nonstop takes roughly 2h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YKU — Chisasibi Airport · Chisasibi, Canada
- 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 YKU
- YGL · La Grande Rivière Airport51 mi away
- YNC · Wemindji Airport55 mi away
- ZEM · Eastmain River Airport110 mi away
- YGW · Kuujjuarapik Airport112 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 YKU from ISN?
The flight distance from Chisasibi (YKU) to Williston (ISN) is 1,136 miles (1,829 km, 988 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YKU to ISN?
A nonstop flight takes about 2h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YKU to ISN?
Nonstop service on YKU–ISN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 56m nonstop estimate.
What is the time difference between Chisasibi and Williston?
Williston is 1 hour behind Chisasibi.
What is the cheapest way to fly from YKU to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YKU–ISN that never appear on search engines, with no booking fees.
Why are some YKU to ISN fares phone-only?
Consolidator contracts let us sell certain YKU–ISN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.