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YXU to SIR: distance & flight time
London (London Airport) → Sion (Sion Airport)
4,117 mi
6,626 km · 3,578 nm
8h 32m
estimated nonstop flight time
+6h
time difference · heading northeast
See live YXU→SIR fares Phone-only fares on this route — call free
Flight time details
4,117 miles nonstop takes roughly 8h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- YXU — London Airport · London, Canada
- 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 YXU
- YQS · St Thomas Municipal Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome25 mi away
- YYZ · Lester B. Pearson International Airport88 mi away
- YKF · Waterloo Airport49 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 YXU from SIR?
The flight distance from London (YXU) to Sion (SIR) is 4,117 miles (6,626 km, 3,578 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YXU to SIR?
A nonstop flight takes about 8h 32m 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 6 hours ahead of London.
What is the cheapest way to fly from YXU to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YXU–SIR that never appear on search engines, with no booking fees.