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JMS to ISN: distance & flight time
Jamestown (Jamestown Regional Airport) → Williston (Sloulin Field International Airport)
247 mi
397 km · 215 nm
1h 7m
estimated nonstop flight time
Same time
time difference · heading west
See live JMS→ISN fares Phone-only fares on this route — call free
Flight time details
247 miles nonstop takes roughly 1h 7m gate to gate, flying west. 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
- JMS — Jamestown Regional Airport · Jamestown, 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 JMS
- DVL · Devils Lake Regional Airport83 mi away
- FAR · Hector International Airport88 mi away
- RDR · Grand Forks Air Force Base93 mi away
- BIS · Bismarck Municipal Airport98 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 JMS from ISN?
The flight distance from Jamestown (JMS) to Williston (ISN) is 247 miles (397 km, 215 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JMS to ISN?
A nonstop flight takes about 1h 7m 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 JMS to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JMS–ISN that never appear on search engines, with no booking fees.