SIN is Singapore Changi
An airport in Singapore. SIN is its three-letter IATA code, the one on your boarding pass and bag tag.
- IATA code
- SIN
- Airport
- Singapore Changi
- Country
- Singapore
- Region
- Asia & Pacific
Why is it SIN?
The letters S, I and N all appear, in that order, in “Singapore Changi”, which makes this one of the easier codes to remember.
Don't mix it up with
These codes look or sound close to SIN.
Quick check
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Common questions
What airport is SIN?
SIN is the IATA code for Singapore Changi in Singapore.
What is the airport code for Singapore Changi?
The three-letter IATA code for Singapore Changi is SIN.