Singapore Changi Airport (SIN)

Airport

SIN is the IATA airport code for Singapore Changi Airport (Singapore). Its ICAO code is WSSS.

Singapore Changi Airport is a large airport in Singapore, Singapore with scheduled passenger flights. Its longest runway is 4,000 m long (asphalt), at an elevation of 7 m (22 ft).

Singapore Changi Airport is an international airport located in Singapore, recognized as one of the world's best airports. It serves as a major hub for both passenger and cargo flights, facilitating travel across various continents. The airport features three terminals, with a total capacity to handle millions of passengers annually, providing services for numerous key airlines such as Singapore Airlines, Qantas, and Emirates.

The IATA code for Changi Airport is SIN and the ICAO code is WSSS. It offers a wide array of amenities including luxury shopping, fine dining, and entertainment options, making it more than just a transit point. Changi Airport's strategic location in Southeast Asia allows it to connect travelers to popular destinations across the region and worldwide.

Opened in 1981, Changi Airport has undergone numerous expansions and upgrades to maintain its status as a leading international airport. It plays a critical role in Singapore's economy and aviation industry, contributing significantly to the nation's tourism and connectivity.

Basic Information

Full Name
Singapore Changi Airport
IATA Code
SIN
ICAO Code
WSSS
Location
Singapore, Singapore
Continent
Asia
Time Zone
Asia/Singapore

How early to be at SIN

International flights
2 to 3 hours before departure

From the airport's own advice. source

When check-in closes

These are the airline's own rules and they always win: after check-in closes, you can't fly.

All details for SIN →

An estimate, never a promise. Check your airline before you go. How we work this out

Before you fly to Singapore: visa and forms

Key facts

Scheduled passenger flights
Yes
Size
Large Airport
Elevation
7 m (22 ft)
Longest runway
4,000 m (13,123 ft), asphalt

Runways

RunwayLengthSurfaceLights
02C/20C4,000 m (13,123 ft)asphaltYes
02L/20R4,000 m (13,123 ft)asphaltYes
02R/20L4,000 m (13,123 ft)asphaltYes

Airport facts from OurAirports (public domain), checked 16 Oct 2026.

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Lounge access

No business class ticket or lounge membership? Many lounges at Singapore Changi Airport sell day passes, usually for a few hours with food, drinks, Wi-Fi and sometimes showers. Book ahead: walk-in prices are often higher and lounges can turn people away when full.

See lounge passes for SIN

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Onward by train, bus or ferry

Going further than Singapore? Compare trains, buses, ferries and transfers to other cities and islands, with times and prices, and book online.

See routes from Singapore

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SIN: questions and answers

What is the airport code of Singapore Changi Airport?

The airport code of Singapore Changi Airport is SIN (IATA) and WSSS (ICAO).

Which city is SIN airport in?

Singapore Changi Airport is in Singapore, Singapore.

Which airports serve Singapore?

Airports with scheduled passenger flights in Singapore: Singapore Changi Airport (SIN), Seletar Airport (XSP).

Seletar Airport (XSP)

Does Singapore Changi Airport have scheduled passenger flights?

Yes. SIN has scheduled passenger flights; see the airlines that fly here on this page.

Contact

Nearby airports

More airport guides in Singapore

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