Distance From Cascais Airport to San Antonio International Airport, CAT - SAT Distance

The distance from Cascais Airport (CAT) to San Antonio International Airport (SAT) is 4934 miles or 7940 kilometers or 4285 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Cascais ( Portugal ) to San Antonio ( United States )?

A one-way nonstop (direct) flight between Cascais and San Antonio takes around 11 hours 20 minutes.

Estimated flight time from Cascais Airport, Cascais, Portugal to San Antonio International Airport, San Antonio, United States is 11 hours 20 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CAT - SAT

Kilometers		7940 km
Statute Miles		4934 miles
Nautical Miles		4285 nm
Avg. Time of Flight		11 hours 20 minutes

Cascais Airport to San Antonio International Airport Flight Route Map - CAT to SAT Flight Path

Location of Cascais Airport & San Antonio International Airport is given below.
Click the map to view Cascais to San Antonio nonstop flight path and travel direction.

Click to see flight route on Google Map between Cascais, Portugal and San Antonio, United States. .

Nonstop flight route between Cascais, Portugal and San Antonio, United States.

Time Difference Between the Airports • CAT - SAT

Time difference between Cascais (Portugal) and San Antonio (United States) is 7 Hours.
San Antonio time is 7 Hours behind Cascais.

Location	Local Time
Cascais (Portugal)	2025-12-16, 16:04:06 WET
San Antonio (United States)	2025-12-16, 09:04:06 MST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Cascais Airport (CAT / LPCS) Cascais, Portugal

Destination

San Antonio International Airport (SAT / KSAT) San Antonio, United States