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YTH to ISN: distance & flight time
Thompson (Thompson Airport) → Williston (Sloulin Field International Airport)
581 mi
935 km · 505 nm
1h 44m
estimated nonstop flight time
Same time
time difference · heading southwest
See live YTH→ISN fares Phone-only fares on this route — call free
Flight time details
581 miles nonstop takes roughly 1h 44m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YTH — Thompson Airport · Thompson, 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 YTH
- PIW · Pikwitonei Airport31 mi away
- YTD · Thicket Portage Airport34 mi away
- KES · Kelsey Airport55 mi away
- ZAC · York Landing 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 YTH from ISN?
The flight distance from Thompson (YTH) to Williston (ISN) is 581 miles (935 km, 505 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YTH to ISN?
A nonstop flight takes about 1h 44m 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 cheapest way to fly from YTH to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YTH–ISN that never appear on search engines, with no booking fees.