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RDR to ISN: distance & flight time
Red River (Grand Forks Air Force Base) → Williston (Sloulin Field International Airport)
288 mi
464 km · 251 nm
1h 14m
estimated nonstop flight time
Same time
time difference · heading west
See live RDR→ISN fares Phone-only fares on this route — call free
Flight time details
288 miles nonstop takes roughly 1h 14m 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
- RDR — Grand Forks Air Force Base · Red River, 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 RDR
- GFK · Grand Forks International Airport10 mi away
- TVF · Thief River Falls Regional Airport57 mi away
- PMB · Pembina Municipal Airport68 mi away
- DVL · Devils Lake Regional Airport70 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 RDR from ISN?
The flight distance from Red River (RDR) to Williston (ISN) is 288 miles (464 km, 251 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDR to ISN?
A nonstop flight takes about 1h 14m 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 RDR to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDR–ISN that never appear on search engines, with no booking fees.