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LUK to SIR: distance & flight time
Cincinnati (Cincinnati Municipal Airport Lunken Field) → Sion (Sion Airport)
4,419 mi
7,112 km · 3,840 nm
9h 8m
estimated nonstop flight time
+6h
time difference · heading northeast
See live LUK→SIR fares Phone-only fares on this route — call free
Flight time details
4,419 miles nonstop takes roughly 9h 8m 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
- LUK — Cincinnati Municipal Airport Lunken Field · Cincinnati, 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 LUK
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 LUK from SIR?
The flight distance from Cincinnati (LUK) to Sion (SIR) is 4,419 miles (7,112 km, 3,840 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LUK to SIR?
A nonstop flight takes about 9h 8m 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 Cincinnati and Sion?
Sion is 6 hours ahead of Cincinnati.
What is the cheapest way to fly from LUK to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LUK–SIR that never appear on search engines, with no booking fees.