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SIR to SNN: distance & flight time
Sion (Sion Airport) → Shannon (Shannon Airport)
853 mi
1,373 km · 742 nm
2h 19m
estimated nonstop flight time
-1h
time difference · heading northwest
See live SIR→SNN fares Phone-only fares on this route — call free
Flight time details
853 miles nonstop takes roughly 2h 19m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- SNN — Shannon Airport · Shannon, Ireland
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 SNN
- INQ · Inisheer Aerodrome35 mi away
- IIA · Inishmaan Aerodrome38 mi away
- GWY · Galway Airport41 mi away
- IOR · Inishmore Aerodrome41 mi away
Frequently asked questions
How far is SIR from SNN?
The flight distance from Sion (SIR) to Shannon (SNN) is 853 miles (1,373 km, 742 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to SNN?
A nonstop flight takes about 2h 19m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SIR to SNN?
Nonstop service on SIR–SNN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 19m nonstop estimate.
What is the time difference between Sion and Shannon?
Shannon is 1 hour behind Sion.
What is the cheapest way to fly from SIR to SNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–SNN that never appear on search engines, with no booking fees.
Why are some SIR to SNN fares phone-only?
Consolidator contracts let us sell certain SIR–SNN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.