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NHT to KLS: distance & flight time
Northolt (RAF Northolt) → Kelso (Southwest Washington Regional Airport)
4,874 mi
7,844 km · 4,236 nm
10h 1m
estimated nonstop flight time
-8h
time difference · heading northwest
See live NHT→KLS fares Phone-only fares on this route — call free
Flight time details
4,874 miles nonstop takes roughly 10h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 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 NHT from KLS?
The flight distance from Northolt (NHT) to Kelso (KLS) is 4,874 miles (7,844 km, 4,236 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to KLS?
A nonstop flight takes about 10h 1m 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 Northolt and Kelso?
Kelso is 8 hours behind Northolt.
What is the cheapest way to fly from NHT to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–KLS that never appear on search engines, with no booking fees.