Distance From Ireland West Knock Airport to San Antonio International Airport, NOC - SAT Distance

The distance from Ireland West Knock Airport (NOC) to San Antonio International Airport (SAT) is 4583 miles or 7376 kilometers or 3980 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 Charlestown ( Ireland ) to San Antonio ( United States )?

A one-way nonstop (direct) flight between Charlestown and San Antonio takes around 10 hours 32 minutes.

Estimated flight time from Ireland West Knock Airport, Charlestown, Ireland to San Antonio International Airport, San Antonio, United States is 10 hours 32 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 • NOC - SAT

Kilometers		7376 km
Statute Miles		4583 miles
Nautical Miles		3980 nm
Avg. Time of Flight		10 hours 32 minutes

Ireland West Knock Airport to San Antonio International Airport Flight Route Map - NOC to SAT Flight Path

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

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

Nonstop flight route between Charlestown, Ireland and San Antonio, United States.

Time Difference Between the Airports • NOC - SAT

Time difference between Charlestown (Ireland) and San Antonio (United States) is 6 Hours.
San Antonio time is 6 Hours behind Charlestown.

Location	Local Time
Charlestown (Ireland)	2026-10-28, 18:48:11 GMT
San Antonio (United States)	2026-10-28, 12:48:11 MDT

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

Ireland West Knock Airport (NOC / EIKN) Charlestown, Ireland

Destination

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