Find cheap flights from Portugal to Singapore from S$ 646

Singapore is 17 km from the centre of Singapore.

All flights to Singapore land at Singapore. The airport code is SIN,and it can also be referred to as Changi, Changi Airport, Singapore, or Singapore Changi.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Singapore.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Singapore is likely to change within 7 days, so travellers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Singapore with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Singapore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.