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CAT to SIA: distance & flight time
Cascais (Cascais Airport) → Xi\'AN (Xi'an Xiguan Airport)
6,035 mi
9,713 km · 5,245 nm
12h 18m
estimated nonstop flight time
+7h
time difference · heading northeast
See live CAT→SIA fares Phone-only fares on this route — call free
Flight time details
6,035 miles nonstop takes roughly 12h 18m 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
- CAT — Cascais Airport · Cascais, Portugal
- SIA — Xi'an Xiguan Airport · Xi\'AN, China
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 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
Near SIA
- XIY · Xi'an Xianyang International Airport22 mi away
- AKA · Ankang Wulipu Airport116 mi away
- YCU · Yuncheng Guangong Airport120 mi away
- IQN · Qingyang Airport130 mi away
Frequently asked questions
How far is CAT from SIA?
The flight distance from Cascais (CAT) to Xi\'AN (SIA) is 6,035 miles (9,713 km, 5,245 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to SIA?
A nonstop flight takes about 12h 18m 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 Cascais and Xi\'AN?
Xi\'AN is 7 hours ahead of Cascais.
What is the cheapest way to fly from CAT to SIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–SIA that never appear on search engines, with no booking fees.