Train vs Flight: Heilbronn Estación Central to Sion
🇩🇪 Heilbronn Estación Central → 🇨🇭 Sion · 352 km
Verdict
Train wins door-to-door on this short route — airport overhead makes flying impractical.
For this short-haul route from Heilbronn Estación Central 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 75 kg of CO2 compared to flying.
Comparison
|
Train
✓
|
Flight
|
|
|---|---|---|
| Journey time | 3h 2m | 25m |
|
Door-to-door
incl. check-in / airport |
3h 32m
+30 min at station |
2h 55m
+2h 30min at airport |
|
CO2 emissions
avg. estimate per passenger |
14,4 kg | 89,8 kg |
|
Est. ticket price
rough estimate only |
~€28 | ~€42 |
| 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 75,4 kg CO2 — 84% less than flying
Train: 14,4 kg CO2 · Flight: 89,8 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)
Door-to-Door Breakdown
Train
Faster door-to-doorFlight
Train tickets for this route
Heilbronn Estación Central → Sion · full route details
Frequently Asked Questions
Is train or flight faster from Heilbronn Estación Central to Sion?
How much CO2 does the Heilbronn Estación Central–Sion train vs flight produce?
What is the door-to-door travel time for train vs flight Heilbronn Estación Central to Sion?
- Train: 3h 32m total (3h 2m journey + 30 min station check-in)
- Flight: 2h 55m total (25m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)
Is the Heilbronn Estación Central to Sion train worth it vs flying?
How far is Heilbronn Estación Central from Sion?
Stations
Other routes from Heilbronn Estación Central
Datos actualizados por última vez: 2026-02-27