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Singapore Airlines Airline Profile

Singapore Airlines information, codes and useful links

Singapore Airlines logo

Singapore Airlines profile

Overview

Marketing name: Singapore Airlines

Legal name: Singapore Airlines Limited

Year established: 1946

Region: Asia

Base country: Singapore

Base city: Singapore

Base airport: Singapore Changi Airport

Details

Airline IATA code: SQ

Airline ICAO code: SIA

Airline category: Scheduled

Airline type: Full service carrier

Alliance: Star Alliance

Operating status: Active

Useful links

Official Website: visit website

Baggage policy: visit website

Online check-in: visit website

We publish profile updates on a scheduled cycle, so recent changes may take up to three months to appear here. For the latest available Singapore Airlines data, use our Airline Database API.

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Singapore Airlines overview and services

Singapore Airlines Limited publicly known as Singapore Airlines is a currently operating Asian scheduled full-service carrier based in Singapore Changi Airport, in Singapore, Singapore.

This carrier's IATA code is SQ, and its 3-character ICAO designator is SIA. Established 79 years ago in 1947, the airline is one of the oldest airline companies in the world. Along with Lufthansa, United Airlines, All Nippon Airways, and 34 others, Singapore Airlines is a Star Alliance alliance member.

Singapore Airlines offers a web check-in option for the convenience of its passengers. The most recent info regarding Singapore Airlines baggage policy (last updated 2026) is available on the airline's official website via the link in the menu on the left.