Originally Posted by dordal
I know the smarter thing to do would probably be to stay at the airport, but I'm not a smart person. :-)
Seriously, though: do you think it would be possible? How long does immigration take? How long does security take? How far is it to the city center?
It is possible though what the value of it would be is somewhat questionable. All the nice things in SIN like the diversity, great food, shopping, etc. require you more than barely an hour. I would pass on it as missing your flight (if your tix is changable) will cost you probably as much as doing a regular stop over. Think about a stop for a day in SIN, it is definitely worth it. If that's not possible skip the city visit, stay at the airport, and add SIN to your places to visit list.
BTW, who tells you that your BA flight will actually be on time getting into SIN
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Cheers ...