Compare Short Haul (<500 km)

Train vs Flight: Sion to Altdorf

Q: Is train or flight faster from Sion to Altdorf?

Train is faster door-to-door from Sion to Altdorf. The train takes 1h 39m door-to-door (including 1h 9m journey + 30 min station check-in), while flying takes 2h 39m (including 9m flight + 2.5 hours at the airport).

Q: How much CO2 does the Sion-Altdorf train vs flight produce?

For the Sion to Altdorf route (121 km straight-line), the train produces approximately 5.0 kg of CO2 per passenger, while the flight produces approximately 30.9 kg. Taking the train saves 25.9 kg of CO2 — a 84% reduction. These are average estimates based on European averages (train: 41g CO2/km, flight: 255g CO2/km incl. radiative forcing).

Q: What is the door-to-door travel time for train vs flight Sion to Altdorf?

Door-to-door travel time from Sion to Altdorf: Train takes 1h 39m total (1h 9m journey + 30 min station check-in). Flight takes 2h 39m total (9m flight + 2.5 hours airport overhead for check-in, security, boarding, and taxi).

Q: Is the Sion to Altdorf train worth it vs flying?

For this short-haul route from Sion to Altdorf, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Altdorf, saving 26 kg of CO2 compared to flying.

Q: How far is Sion from Altdorf?

The straight-line distance from Sion to Altdorf is 121 km (121 km). The actual rail distance will be longer due to track routing.

🇨🇭 Sion → 🇨🇭 Altdorf · 121 km

Verdict

Train wins door-to-door on this short route — airport overhead makes flying impractical.

For this short-haul route from Sion to Altdorf, train is the clear winner. Airport check-in, security, and boarding add over 2.5 hours to your journey. The train departs from the city centre and arrives directly in the heart of Altdorf, saving 26 kg of CO2 compared to flying.

Comparison

	Train ✓	Flight
Journey time	1h 9m	9m
Door-to-door incl. check-in / airport	1h 39m +30 min at station	2h 39m +2h 30min at airport
CO2 emissions avg. estimate per passenger	5.0 kg	30.9 kg
Est. ticket price rough estimate only	~€10	~€15
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 25.9 kg CO2 — 84% less than flying

Train: 5.0 kg CO2 · Flight: 30.9 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train

5.0 kg

Flight

30.9 kg

Door-to-Door Breakdown

Train

Faster door-to-door

Check-in at station 30 min

Journey time 1h 9m

Total door-to-door 1h 39m

Flight

Airport overhead 2h 30 min

Flight time 9m

Total door-to-door 2h 39m

Train tickets for this route

Sion → Altdorf · full route details

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Frequently Asked Questions

Is train or flight faster from Sion to Altdorf?

Train is faster door-to-door from Sion to Altdorf. The train takes 1h 39m door-to-door (including 1h 9m journey + 30 min station check-in), while flying takes 2h 39m (9m flight + 2h 30min airport overhead).

How much CO2 does the Sion–Altdorf train vs flight produce?

For the Sion to Altdorf route (121 km straight-line), the train produces approximately 5.0 kg of CO2 per passenger, while the flight produces approximately 30.9 kg. Taking the train saves 25.9 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 Sion to Altdorf?

Door-to-door travel time from Sion to Altdorf:

Train: 1h 39m total (1h 9m journey + 30 min station check-in)
Flight: 2h 39m total (9m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)

Is the Sion to Altdorf train worth it vs flying?

How far is Sion from Altdorf?

The straight-line distance from Sion to Altdorf is 121 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.