Large hub · Singapore, Singapore
Singapore Changi Airport (SIN)
A hub for Singapore Airlines. Compare flights from and to SIN, see which airlines fly nonstop, and find the cheapest month to travel.
SIN at a glance
- IATA / ICAO
- SIN / WSSS
- City
- Singapore, Singapore
- Time zone
- Asia/Singapore (UTC+8)
- Airport size
- Large hub
- Coordinates
- 1.364, 103.992
- Country
- Singapore
Popular routes from SIN
Airlines at SIN
Hub airlines first, then carriers with nonstop routes from this airport.
SIN: common questions
Which airlines fly from SIN?
Singapore Airlines and Alaska Airlines serve Singapore Changi Airport. Singapore Airlines uses SIN as a hub, so expect the widest choice of nonstop routes from it.
Is SIN a hub airport?
Yes — Singapore Changi Airport is a hub or focus city for Singapore Airlines, which means frequent departures and many connecting itineraries pass through it.
How early should I arrive at SIN?
Plan on two hours before a domestic departure and three hours before an international one — security lines at large airports like SIN can stretch to 30 minutes or more at peak times. TSA PreCheck or CLEAR typically saves 15–30 minutes (US programs don't apply abroad, but many airports have fast-track lanes).