Compare Short Haul (<500 km)

Train vs Flight: Ulm Hbf to Sion

🇩🇪 Ulm Hbf → 🇨🇭 Sion · 312 km

Verdict

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

For this short-haul route from Ulm Hbf to Sion, 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 Sion, saving 67 kg of CO2 compared to flying.

Comparison

Train
Flight
Journey time 2h 42m 23m
Door-to-door

incl. check-in / airport

3h 12m

+30 min at station

2h 53m

+2h 30min at airport

CO2 emissions

avg. estimate per passenger

12,8 kg 79,6 kg
Est. ticket price

rough estimate only

~€25 ~€37
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 66,8 kg CO2 — 84% less than flying

Train: 12,8 kg CO2 · Flight: 79,6 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train
12,8 kg
Flight
79,6 kg

Door-to-Door Breakdown

Train

Faster door-to-door
Check-in at station 30 min
Journey time 2h 42m
Total door-to-door 3h 12m

Flight

Airport overhead 2h 30 min
Flight time 23m
Total door-to-door 2h 53m

Train tickets for this route

Ulm Hbf → Sion · full route details

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Frequently Asked Questions

Is train or flight faster from Ulm Hbf to Sion?
Train is faster door-to-door from Ulm Hbf to Sion. The train takes 3h 12m door-to-door (including 2h 42m journey + 30 min station check-in), while flying takes 2h 53m (23m flight + 2h 30min airport overhead).
How much CO2 does the Ulm Hbf–Sion train vs flight produce?
For the Ulm Hbf to Sion route (312 km straight-line), the train produces approximately 12,8 kg of CO2 per passenger, while the flight produces approximately 79,6 kg. Taking the train saves 66,8 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 Ulm Hbf to Sion?
Door-to-door travel time from Ulm Hbf to Sion:
  • Train: 3h 12m total (2h 42m journey + 30 min station check-in)
  • Flight: 2h 53m total (23m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)
Is the Ulm Hbf to Sion train worth it vs flying?
For this short-haul route from Ulm Hbf to Sion, 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 Sion, saving 67 kg of CO2 compared to flying.
How far is Ulm Hbf from Sion?
The straight-line distance from Ulm Hbf to Sion is 312 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.

Stations

Other routes from Ulm Hbf

Veriler son güncelleme: 2026-02-27