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TRI to ISN: distance & flight time
BRISTOL (Tri-Cities Regional TN/VA Airport) → Williston (Sloulin Field International Airport)
1,345 mi
2,165 km · 1,169 nm
3h 23m
estimated nonstop flight time
-1h
time difference · heading northwest
See live TRI→ISN fares Phone-only fares on this route — call free
Flight time details
1,345 miles nonstop takes roughly 3h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 TRI
- MRN · Foothills Regional Airport63 mi away
- AVL · Asheville Regional Airport72 mi away
- IKB · Wilkes County Airport75 mi away
- HKY · Hickory Regional Airport76 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 TRI from ISN?
The flight distance from BRISTOL (TRI) to Williston (ISN) is 1,345 miles (2,165 km, 1,169 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRI to ISN?
A nonstop flight takes about 3h 23m 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 BRISTOL and Williston?
Williston is 1 hour behind BRISTOL.
What is the cheapest way to fly from TRI to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–ISN that never appear on search engines, with no booking fees.