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ALN to BIO: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Bilbao (Bilbao Airport)
4,331 mi
6,970 km · 3,764 nm
8h 58m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→BIO fares Phone-only fares on this route — call free
Flight time details
4,331 miles nonstop takes roughly 8h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 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 ALN from BIO?
The flight distance from Alton/St Louis (ALN) to Bilbao (BIO) is 4,331 miles (6,970 km, 3,764 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to BIO?
A nonstop flight takes about 8h 58m 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 cheapest way to fly from ALN to BIO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–BIO that never appear on search engines, with no booking fees.