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BIO to SIR: distance & flight time
Bilbao (Bilbao Airport) → Sion (Sion Airport)
541 mi
870 km · 470 nm
1h 39m
estimated nonstop flight time
Same time
time difference · heading northeast
See live BIO→SIR fares Phone-only fares on this route — call free
Flight time details
541 miles nonstop takes roughly 1h 39m 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
- BIO — Bilbao Airport · Bilbao, Spain
- SIR — Sion Airport · Sion, Switzerland
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 BIO
- VIT · Vitoria/Foronda Airport30 mi away
- SDR · Santander Airport47 mi away
- EAS · San Sebastian Airport56 mi away
- RJL · Logroño-Agoncillo Airport65 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is BIO from SIR?
The flight distance from Bilbao (BIO) to Sion (SIR) is 541 miles (870 km, 470 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIO to SIR?
A nonstop flight takes about 1h 39m 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 BIO to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIO–SIR that never appear on search engines, with no booking fees.