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FSI to TRI: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → BRISTOL (Tri-Cities Regional TN/VA Airport)
907 mi
1,459 km · 788 nm
2h 26m
estimated nonstop flight time
+1h
time difference · heading east
See live FSI→TRI fares Phone-only fares on this route — call free
Flight time details
907 miles nonstop takes roughly 2h 26m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
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
Frequently asked questions
How far is FSI from TRI?
The flight distance from Fort Sill (FSI) to BRISTOL (TRI) is 907 miles (1,459 km, 788 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to TRI?
A nonstop flight takes about 2h 26m 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 Fort Sill and BRISTOL?
BRISTOL is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to TRI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–TRI that never appear on search engines, with no booking fees.