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KLS to BIO: distance & flight time
Kelso (Southwest Washington Regional Airport) → Bilbao (Bilbao Airport)
5,250 mi
8,449 km · 4,562 nm
10h 46m
estimated nonstop flight time
+9h
time difference · heading northeast
See live KLS→BIO fares Phone-only fares on this route — call free
Flight time details
5,250 miles nonstop takes roughly 10h 46m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- KLS — Southwest Washington Regional Airport · Kelso, United States
- BIO — Bilbao Airport · Bilbao, Spain
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 BIO
- VIT · Vitoria/Foronda Airport30 mi away
- SDR · Santander Airport47 mi away
- EAS · San Sebastian Airport56 mi away
- RJL · Logroño-Agoncillo Airport65 mi away
Frequently asked questions
How far is KLS from BIO?
The flight distance from Kelso (KLS) to Bilbao (BIO) is 5,250 miles (8,449 km, 4,562 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLS to BIO?
A nonstop flight takes about 10h 46m 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 Bilbao?
Bilbao is 9 hours ahead of Kelso.
What is the cheapest way to fly from KLS to BIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLS–BIO that never appear on search engines, with no booking fees.