Compare Medium Haul

Train vs Flight: Bilbau to Sierre/Siders

Q: Is train or flight faster from Bilbau to Sierre/Siders?

Flight is faster from Bilbau to Sierre/Siders, taking 3h 33m door-to-door versus 7h 54m for the train. However, the train produces 84% less CO2.

Q: What is the door-to-door travel time for train vs flight Bilbau to Sierre/Siders?

Door-to-door travel time from Bilbau to Sierre/Siders: Train takes 7h 54m total (7h 24m journey + 30 min station check-in). Flight takes 3h 33m total (1h 3m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: How far is Bilbau from Sierre/Siders?

The straight-line distance from Bilbau to Sierre/Siders is 891 km (891 km). The actual rail distance will be longer due to track routing.

🇪🇸 Bilbau → 🇨🇭 Sierre/Siders · 891 km

Verdict

Flight is faster by 4h 21m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Bilbau to Sierre/Siders, the flight is faster door-to-door, but the train is a greener alternative — saving 191 kg of CO2 per passenger. If your schedule allows extra travel time, the train offers a comfortable, eco-friendly journey.

Comparison

	Train	Flight ✓
Journey time	7h 24m	1h 3m
Door-to-door incl. check-in / airport	7h 54m +30 min at station	3h 33m +2h 30min at airport
CO2 emissions avg. estimate per passenger	36,5 kg	227,2 kg
Est. ticket price rough estimate only	~€71	~€107
City centre arrival	Central station	Airport (outside city)

* Price and CO2 figures are rough average estimates. Actual values vary by booking class, date, operator, and energy mix. Journey times are based on existing route data or standard speed assumptions.

CO2 Savings

Save 190,7 kg CO2 — 84% less than flying

Train: 36,5 kg CO2 · Flight: 227,2 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

36,5 kg

Flight

227,2 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min

Journey time 7h 24m

Total door-to-door 7h 54m

Flight

Faster door-to-door

Airport overhead 2h 30 min

Flight time 1h 3m

Total door-to-door 3h 33m

Train tickets for this route

Bilbau → Sierre/Siders · full route details

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Frequently Asked Questions

Is train or flight faster from Bilbau to Sierre/Siders?

Flight is faster from Bilbau to Sierre/Siders, taking 3h 33m door-to-door versus 7h 54m for the train. However, the train produces 84% less CO2.

How much CO2 does the Bilbau–Sierre/Siders train vs flight produce?

For the Bilbau to Sierre/Siders route (891 km straight-line), the train produces approximately 36,5 kg of CO2 per passenger, while the flight produces approximately 227,2 kg. Taking the train saves 190,7 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km including radiative forcing).

What is the door-to-door travel time for train vs flight Bilbau to Sierre/Siders?

Door-to-door travel time from Bilbau to Sierre/Siders:

Train: 7h 54m total (7h 24m journey + 30 min station check-in)
Flight: 3h 33m total (1h 3m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Bilbau to Sierre/Siders train worth it vs flying?

How far is Bilbau from Sierre/Siders?

The straight-line distance from Bilbau to Sierre/Siders is 891 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.