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SIR to IPT: distance & flight time
Sion (Sion Airport) → Williamsport (Williamsport Regional Airport)
4,016 mi
6,463 km · 3,490 nm
8h 20m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SIR→IPT fares Phone-only fares on this route — call free
Flight time details
4,016 miles nonstop takes roughly 8h 20m 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
- IPT — Williamsport Regional Airport · Williamsport, United States
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 IPT
- LHV · William T. Piper Memorial Airport27 mi away
- HZL · Hazleton Municipal Airport51 mi away
- SCE · University Park Airport55 mi away
- WBW · Wilkes Barre Wyoming Valley Airport56 mi away
Frequently asked questions
How far is SIR from IPT?
The flight distance from Sion (SIR) to Williamsport (IPT) is 4,016 miles (6,463 km, 3,490 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to IPT?
A nonstop flight takes about 8h 20m 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 Williamsport?
Williamsport is 6 hours behind Sion.
What is the cheapest way to fly from SIR to IPT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–IPT that never appear on search engines, with no booking fees.