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SIG is the IATA airport code for Isla Grande, Puerto Rico. IATA codes are three-letter identifiers assigned to airports worldwide by the International Air Transport Association — they're what you see on boarding passes, baggage tags, and booking sites. Below: where SIG is, what timezone it operates in, and how to sort your transfer, lounge access, and car rental before you land.
SIG is the IATA code for Isla Grande, Puerto Rico. You'll see SIG on boarding passes, baggage tags, and flight-booking sites whenever this airport is the origin or destination.
Where is SIG airport located?
SIG serves Isla Grande, Puerto Rico, at approximately 18.4589° N, 66.1028° W.
How do I get from SIG into the city?
Pre-booked private transfers are the most predictable option — fixed price, driver tracking your flight, no taxi-line haggling. Compare partner quotes for Isla Grande on this page. Ride-hail and licensed taxis are the usual fallback where available.
What timezone is SIG in?
SIG operates on the America/Puerto_Rico timezone. Flight departure boards always show local time.
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Isla Grande is served by SIG in Puerto Rico.