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SIR to LTN: distance & flight time
Sion (Sion Airport) → London (London Luton Airport)
523 mi
842 km · 454 nm
1h 36m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SIR→LTN fares Phone-only fares on this route — call free
Flight time details
523 miles nonstop takes roughly 1h 36m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- LTN — London Luton Airport · London, United Kingdom
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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
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
Frequently asked questions
How far is SIR from LTN?
The flight distance from Sion (SIR) to London (LTN) is 523 miles (842 km, 454 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to LTN?
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 Sion and London?
London is 1 hour behind Sion.
What is the cheapest way to fly from SIR to LTN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–LTN that never appear on search engines, with no booking fees.