Need help booking?
Unpublished phone-only deals available
HEK to KLS: distance & flight time
Heihe (Heihe Airport) → Kelso (Southwest Washington Regional Airport)
4,576 mi
7,364 km · 3,976 nm
9h 26m
estimated nonstop flight time
-15h
time difference · heading northeast
See live HEK→KLS fares Phone-only fares on this route — call free
Flight time details
4,576 miles nonstop takes roughly 9h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time set-back when reading arrival times on your ticket.
The two airports
- HEK — Heihe Airport · Heihe, China
- 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 HEK
- BQS · Ignatyevo Airport18 mi away
- DTU · Wudalianchi Dedu Airport131 mi away
- JGD · Jiagedaqi Airport142 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 HEK from KLS?
The flight distance from Heihe (HEK) to Kelso (KLS) is 4,576 miles (7,364 km, 3,976 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEK to KLS?
A nonstop flight takes about 9h 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 Heihe and Kelso?
Kelso is 15 hours behind Heihe.
What is the cheapest way to fly from HEK to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEK–KLS that never appear on search engines, with no booking fees.