AirHint found the following cheapest return flights from Newcastle (NCL) to Singapore (SIN) in September 2025 (see full year).

Return flights

05 Sep - 30 Sep	Air France
06 Sep - 30 Sep	Air France
09 Sep - 30 Sep	Air France
10 Sep - 30 Sep	Air France
07 Sep - 30 Sep	Air France
08 Sep - 15 Sep	Ryanair
06 Sep - 28 Sep	SunExpress
12 Sep - 04 Oct	Ryanair
18 Sep - 23 Sep	easyJet
12 Sep - 02 Oct	Ryanair
12 Sep - 01 Oct	Ryanair
12 Sep - 30 Sep	Ryanair
06 Sep - 29 Sep	SunExpress
12 Sep - 03 Oct	Ryanair
26 Sep - 07 Oct	Ryanair
25 Sep - 06 Oct	Ryanair
07 Sep - 01 Oct	Air France
07 Sep - 02 Oct	Jet2
08 Sep - 07 Oct	Ryanair
27 Sep - 07 Oct	SunExpress

Also check the deals for one-way flights from Newcastle to Singapore in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Newcastle to Singapore in September from $693

Return flights