Need help booking?
Unpublished phone-only deals available
TYS to KLS: distance & flight time
Knoxville (McGhee Tyson Airport) → Kelso (Southwest Washington Regional Airport)
2,126 mi
3,422 km · 1,848 nm
4h 38m
estimated nonstop flight time
-3h
time difference · heading northwest
See live TYS→KLS fares Phone-only fares on this route — call free
Flight time details
2,126 miles nonstop takes roughly 4h 38m 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
- TYS — McGhee Tyson Airport · Knoxville, 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 TYS
- MMI · McMinn County Airport43 mi away
- HDI · Hardwick Field62 mi away
- CSV · Crossville Memorial Whitson Field62 mi away
- AVL · Asheville Regional Airport86 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 TYS from KLS?
The flight distance from Knoxville (TYS) to Kelso (KLS) is 2,126 miles (3,422 km, 1,848 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TYS to KLS?
A nonstop flight takes about 4h 38m 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 Knoxville and Kelso?
Kelso is 3 hours behind Knoxville.
What is the cheapest way to fly from TYS to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TYS–KLS that never appear on search engines, with no booking fees.