Need help booking?
Unpublished phone-only deals available
PTK to SIR: distance & flight time
Pontiac (Oakland County International Airport) → Sion (Sion Airport)
4,224 mi
6,798 km · 3,671 nm
8h 45m
estimated nonstop flight time
+6h
time difference · heading northeast
See live PTK→SIR fares Phone-only fares on this route — call free
Flight time details
4,224 miles nonstop takes roughly 8h 45m 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
- PTK — Oakland County International Airport · Pontiac, United States
- 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 PTK
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 PTK from SIR?
The flight distance from Pontiac (PTK) to Sion (SIR) is 4,224 miles (6,798 km, 3,671 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTK to SIR?
A nonstop flight takes about 8h 45m 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 Pontiac and Sion?
Sion is 6 hours ahead of Pontiac.
What is the cheapest way to fly from PTK to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTK–SIR that never appear on search engines, with no booking fees.