Compare Medium Haul

Train vs Flight: Bonn Hbf to Sion

🇩🇪 Bonn Hbf → 🇨🇭 Sion · 501 km

Verdict

Flight is faster by 1h 38m door-to-door, but train produces 84% less CO2 — worth considering.

On this medium-haul route from Bonn Hbf to Sion, the flight is faster door-to-door, but the train is a greener alternative — saving 107 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 4h 14m 36m
Door-to-door

incl. check-in / airport

4h 44m

+30 min at station

3h 6m

+2h 30min at airport

CO2 emissions

avg. estimate per passenger

20,5 kg 127,8 kg
Est. ticket price

rough estimate only

~€40 ~€60
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 107,3 kg CO2 — 84% less than flying

Train: 20,5 kg CO2 · Flight: 127,8 kg CO2 (41g/km train vs 255g/km flight, European averages incl. radiative forcing)

Train
20,5 kg
Flight
127,8 kg

Door-to-Door Breakdown

Train

Check-in at station 30 min
Journey time 4h 14m
Total door-to-door 4h 44m

Flight

Faster door-to-door
Airport overhead 2h 30 min
Flight time 36m
Total door-to-door 3h 6m

Train tickets for this route

Bonn Hbf → Sion · full route details

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Frequently Asked Questions

Is train or flight faster from Bonn Hbf to Sion?
Flight is faster from Bonn Hbf to Sion, taking 3h 6m door-to-door versus 4h 44m for the train. However, the train produces 84% less CO2.
How much CO2 does the Bonn Hbf–Sion train vs flight produce?
For the Bonn Hbf to Sion route (501 km straight-line), the train produces approximately 20,5 kg of CO2 per passenger, while the flight produces approximately 127,8 kg. Taking the train saves 107,3 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 Bonn Hbf to Sion?
Door-to-door travel time from Bonn Hbf to Sion:
  • Train: 4h 44m total (4h 14m journey + 30 min station check-in)
  • Flight: 3h 6m total (36m flight + 2h 30min airport overhead for check-in, security, boarding, and taxi)
Is the Bonn Hbf to Sion train worth it vs flying?
On this medium-haul route from Bonn Hbf to Sion, the flight is faster door-to-door, but the train is a greener alternative — saving 107 kg of CO2 per passenger. If your schedule allows extra travel time, the train offers a comfortable, eco-friendly journey.
How far is Bonn Hbf from Sion?
The straight-line distance from Bonn Hbf to Sion is 501 km. The actual rail distance will be longer (typically ~1.3× the straight-line distance) due to track routing.

Stations

Other routes from Bonn Hbf

Veriler son güncelleme: 2026-02-27