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LTN to SIR: distance & flight time
London (London Luton Airport) → Sion (Sion Airport)
523 mi
842 km · 454 nm
1h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live LTN→SIR fares Phone-only fares on this route — call free
Flight time details
523 miles nonstop takes roughly 1h 36m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LTN — London Luton Airport · London, United Kingdom
- 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 LTN
- LHR · London Heathrow Airport28 mi away
- LGW · London Gatwick Airport51 mi away
- NHT · RAF Northolt22 mi away
- STN · London Stansted Airport26 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 LTN from SIR?
The flight distance from London (LTN) to Sion (SIR) is 523 miles (842 km, 454 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LTN to SIR?
A nonstop flight takes about 1h 36m 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 time difference between London and Sion?
Sion is 1 hour ahead of London.
What is the cheapest way to fly from LTN to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LTN–SIR that never appear on search engines, with no booking fees.