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ISN to SEM: distance & flight time
Williston (Sloulin Field International Airport) → Selma (Craig Field)
1,396 mi
2,247 km · 1,214 nm
3h 30m
estimated nonstop flight time
Same time
time difference · heading southeast
See live ISN→SEM fares Phone-only fares on this route — call free
Flight time details
1,396 miles nonstop takes roughly 3h 30m gate to gate, flying southeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
- SEM — Craig Field · Selma, 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 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
Near SEM
Frequently asked questions
How far is ISN from SEM?
The flight distance from Williston (ISN) to Selma (SEM) is 1,396 miles (2,247 km, 1,214 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SEM?
A nonstop flight takes about 3h 30m 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 ISN to SEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SEM that never appear on search engines, with no booking fees.