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KLS to DLH: distance & flight time
Kelso (Southwest Washington Regional Airport) → Duluth (Duluth International Airport)
1,452 mi
2,337 km · 1,262 nm
3h 37m
estimated nonstop flight time
+2h
time difference · heading east
See live KLS→DLH fares Phone-only fares on this route — call free
Flight time details
1,452 miles nonstop takes roughly 3h 37m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- DLH — Duluth International Airport · Duluth, 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 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
Near DLH
- HIB · Range Regional Airport48 mi away
- GPZ · Grand Rapids Itasca Co-Gordon Newstrom field67 mi away
- HYR · Sawyer County Airport67 mi away
- LYU · Ely Municipal Airport70 mi away
Frequently asked questions
How far is KLS from DLH?
The flight distance from Kelso (KLS) to Duluth (DLH) is 1,452 miles (2,337 km, 1,262 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to DLH?
A nonstop flight takes about 3h 37m 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 Kelso and Duluth?
Duluth is 2 hours ahead of Kelso.
What is the cheapest way to fly from KLS to DLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–DLH that never appear on search engines, with no booking fees.