SIN Airport Code, Singapore Changi Airport
SIN is the IATA airport code for Singapore Changi Airport, one of the world's busiest airports, serving Singapore, Singapore. Pilots and air traffic control use its ICAO code, WSSS.
What airport is SIN?
SIN is the IATA airport code for Singapore Changi Airport, in Singapore, Singapore. The same airport has the ICAO code WSSS.
It ranks among the busiest airports in the world by scheduled connections, sitting at number 12 in our dataset. Its ICAO code WSSS begins with W, the prefix ICAO assigns to the Malay Archipelago.
| IATA airport code | SIN |
|---|---|
| ICAO airport code | WSSS |
| Airport | Singapore Changi Airport |
| City | Singapore |
| Country | Singapore |
| Main airlines | SQ, MI, TR |
| Runways | 2 |
Airport data comes from OurAirports (public domain), regenerated here on . How we build this · Data and sources.
Where is SIN airport located?
Singapore Changi Airport (SIN) is in Singapore, Singapore, at coordinates 1.35019, 103.994.
It lies in the northern and eastern hemispheres, at 1.35° N, 103.99° E. It is close to sea level at 22 ft (7 m), typical of a coastal or low-lying airport.
Runways at SIN
It has 2 runways. The longest is 13,123 ft (4.00 km), designated 02C/20C.
Which airlines fly to SIN?
The open route dataset lists SQ (Singapore Airlines), MI (SilkAir), TR (Tiger Airways), 3K (Jetstar Asia Airways), GA (Garuda Indonesia), ET (Ethiopian Airlines) as operating carriers on nonstop routes touching Singapore Changi Airport.
Route and carrier data comes from the OpenFlights open dataset, regenerated here on . It is a historical snapshot of scheduled connections, not a live schedule, and it includes codeshare listings, so some carriers shown may no longer operate the route or exist. How we build this · Data and sources.
Where the SIN code comes from
SIN is SINgapore, the first three letters, attached to Changi since it opened in 1981 and took the code from the older Paya Lebar airport. Changi's jewel-and-garden terminals have made SIN a destination in itself, and the code anchors Singapore Airlines' entire network.
Curious why codes look the way they do? Read how airport codes work.
Frequently asked questions
What is the IATA code for Singapore Changi Airport?
The IATA code for Singapore Changi Airport in Singapore is SIN. It is the three-letter code on tickets, baggage tags and departure boards.
What is the 3-letter code for Singapore?
The 3-letter IATA code for Singapore Changi Airport in Singapore is SIN.
What is the ICAO code for Singapore Changi Airport?
The ICAO code for Singapore Changi Airport is WSSS. Pilots and air traffic control use it, while airlines and booking systems use the IATA code SIN.
What is the difference between SIN and WSSS?
SIN is the IATA code used for tickets and baggage. WSSS is the ICAO code used by pilots and air traffic control for the same airport, Singapore Changi Airport.
Read more about Singapore Changi Airport on Wikipedia →
Nearby and related airports
Other airports in Singapore and the wider region:
Popular routes from SIN
Distance and typical flight time from Singapore Changi Airport to other airports it connects with:
All airports in Singapore · Busiest airports worldwide · SIN as JSON