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SIR to CAT: distance & flight time
Sion (Sion Airport) → Cascais (Cascais Airport)
992 mi
1,597 km · 862 nm
2h 37m
estimated nonstop flight time
-1h
time difference · heading southwest
See live SIR→CAT fares Phone-only fares on this route — call free
Flight time details
992 miles nonstop takes roughly 2h 37m gate to gate, flying southwest. 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
- CAT — Cascais Airport · Cascais, Portugal
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is SIR from CAT?
The flight distance from Sion (SIR) to Cascais (CAT) is 992 miles (1,597 km, 862 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to CAT?
A nonstop flight takes about 2h 37m 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 Cascais?
Cascais is 1 hour behind Sion.
What is the cheapest way to fly from SIR to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–CAT that never appear on search engines, with no booking fees.