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SIR to YSP: distance & flight time
Sion (Sion Airport) → Marathon (Marathon Airport)
4,083 mi
6,571 km · 3,548 nm
8h 28m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SIR→YSP fares Phone-only fares on this route — call free
Flight time details
4,083 miles nonstop takes roughly 8h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- YSP — Marathon Airport · Marathon, Canada
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 YSP
- YMG · Manitouwadge Airport32 mi away
- YGQ · Geraldton Greenstone Regional Airport76 mi away
- YHN · Hornepayne Municipal Airport78 mi away
- YXZ · Wawa Airport90 mi away
Frequently asked questions
How far is SIR from YSP?
The flight distance from Sion (SIR) to Marathon (YSP) is 4,083 miles (6,571 km, 3,548 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to YSP?
A nonstop flight takes about 8h 28m 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 Marathon?
Marathon is 6 hours behind Sion.
What is the cheapest way to fly from SIR to YSP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–YSP that never appear on search engines, with no booking fees.