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YZZ to ISN: distance & flight time
Trail (Trail Airport) → Williston (Sloulin Field International Airport)
640 mi
1,030 km · 556 nm
1h 51m
estimated nonstop flight time
+2h
time difference · heading east
See live YZZ→ISN fares Phone-only fares on this route — call free
Flight time details
640 miles nonstop takes roughly 1h 51m 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
- YZZ — Trail Airport · Trail, 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 YZZ
- YCG · Castlegar/West Kootenay Regional Airport17 mi away
- ZGF · Grand Forks Airport37 mi away
- YXC · Cranbrook/Canadian Rockies International Airport91 mi away
- YYF · Penticton Airport94 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 YZZ from ISN?
The flight distance from Trail (YZZ) to Williston (ISN) is 640 miles (1,030 km, 556 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YZZ to ISN?
A nonstop flight takes about 1h 51m 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 Trail and Williston?
Williston is 2 hours ahead of Trail.
What is the cheapest way to fly from YZZ to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YZZ–ISN that never appear on search engines, with no booking fees.