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SZT to SIR: distance & flight time
San Cristobal de las Casas (San Cristobal de las Casas Airport) → Sion (Sion Airport)
5,846 mi
9,408 km · 5,080 nm
11h 56m
estimated nonstop flight time
+7h
time difference · heading northeast
See live SZT→SIR fares Phone-only fares on this route — call free
Flight time details
5,846 miles nonstop takes roughly 11h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- SZT — San Cristobal de las Casas Airport · San Cristobal de las Casas, Mexico
- 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 SZT
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 SZT from SIR?
The flight distance from San Cristobal de las Casas (SZT) to Sion (SIR) is 5,846 miles (9,408 km, 5,080 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SZT to SIR?
A nonstop flight takes about 11h 56m 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 SZT to SIR?
Nonstop service on SZT–SIR 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 11h 56m nonstop estimate.
What is the time difference between San Cristobal de las Casas and Sion?
Sion is 7 hours ahead of San Cristobal de las Casas.
What is the cheapest way to fly from SZT to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SZT–SIR that never appear on search engines, with no booking fees.
Why are some SZT to SIR fares phone-only?
Consolidator contracts let us sell certain SZT–SIR 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.