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HEI to SIR: distance & flight time
Büsum (Heide-Büsum Airport) → Sion (Sion Airport)
553 mi
889 km · 480 nm
1h 40m
estimated nonstop flight time
Same time
time difference · heading south
See live HEI→SIR fares Phone-only fares on this route — call free
Flight time details
553 miles nonstop takes roughly 1h 40m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HEI — Heide-Büsum Airport · Büsum, Germany
- SIR — Sion Airport · Sion, Switzerland
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near HEI
- PSH · St. Peter-Ording Airport14 mi away
- FCN · Nordholz Naval Airbase28 mi away
- WBG · Schleswig Air Base33 mi away
- HGL · Helgoland-Düne Airport40 mi away
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is HEI from SIR?
The flight distance from Büsum (HEI) to Sion (SIR) is 553 miles (889 km, 480 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEI to SIR?
A nonstop flight takes about 1h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from HEI to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEI–SIR that never appear on search engines, with no booking fees.