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PRM to KLS: distance & flight time
Portimao (Portimão Airport) → Kelso (Southwest Washington Regional Airport)
5,390 mi
8,674 km · 4,684 nm
11h 2m
estimated nonstop flight time
-8h
time difference · heading northwest
See live PRM→KLS fares Phone-only fares on this route — call free
Flight time details
5,390 miles nonstop takes roughly 11h 2m 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
- PRM — Portimão Airport · Portimao, Portugal
- 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 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 PRM from KLS?
The flight distance from Portimao (PRM) to Kelso (KLS) is 5,390 miles (8,674 km, 4,684 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to KLS?
A nonstop flight takes about 11h 2m 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 Portimao and Kelso?
Kelso is 8 hours behind Portimao.
What is the cheapest way to fly from PRM to KLS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–KLS that never appear on search engines, with no booking fees.