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TRI to KLS: distance & flight time
BRISTOL (Tri-Cities Regional TN/VA Airport) → Kelso (Southwest Washington Regional Airport)
2,178 mi
3,506 km · 1,893 nm
4h 44m
estimated nonstop flight time
-3h
time difference · heading northwest
See live TRI→KLS fares Phone-only fares on this route — call free
Flight time details
2,178 miles nonstop takes roughly 4h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- TRI — Tri-Cities Regional TN/VA Airport · BRISTOL, United States
- KLS — Southwest Washington Regional Airport · Kelso, 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 KLS
- PDX · Portland International Airport39 mi away
- CLS · Chehalis Centralia Airport39 mi away
- HIO · Portland Hillsboro Airport40 mi away
- TTD · Portland Troutdale Airport46 mi away
Frequently asked questions
How far is TRI from KLS?
The flight distance from BRISTOL (TRI) to Kelso (KLS) is 2,178 miles (3,506 km, 1,893 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TRI to KLS?
A nonstop flight takes about 4h 44m 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 Kelso?
Kelso is 3 hours behind BRISTOL.
What is the cheapest way to fly from TRI to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TRI–KLS that never appear on search engines, with no booking fees.