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FLZ to KLS: distance & flight time
Sibolga (Dr Ferdinand Lumban Tobing Airport) → Kelso (Southwest Washington Regional Airport)
8,278 mi
13,322 km · 7,193 nm
16h 42m
estimated nonstop flight time
-14h
time difference · heading northeast
See live FLZ→KLS fares Phone-only fares on this route — call free
Flight time details
8,278 miles nonstop takes roughly 16h 42m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- FLZ — Dr Ferdinand Lumban Tobing Airport · Sibolga, Indonesia
- 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 FLZ
- AEG · Aek Godang Airport39 mi away
- DTB · Silangit Airport49 mi away
- GNS · Binaka Airport86 mi away
- PPR · Pasir Pangaraan Airport113 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 FLZ from KLS?
The flight distance from Sibolga (FLZ) to Kelso (KLS) is 8,278 miles (13,322 km, 7,193 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLZ to KLS?
A nonstop flight takes about 16h 42m 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 Sibolga and Kelso?
Kelso is 14 hours behind Sibolga.
What is the cheapest way to fly from FLZ to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLZ–KLS that never appear on search engines, with no booking fees.