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

Return flights

29 Aug - 19 Sep	Lufthansa
29 Aug - 12 Sep	Lufthansa
27 Aug - 13 Sep	Lufthansa
30 Aug - 13 Sep	Aer Lingus
04 Aug - 16 Aug	British Airways
27 Aug - 02 Sep	Aer Lingus
08 Aug - 17 Aug	British Airways
08 Aug - 16 Aug	British Airways
29 Aug - 06 Sep	Aer Lingus
04 Aug - 26 Aug	Ryanair
07 Aug - 21 Aug	Ryanair
08 Aug - 22 Aug	British Airways
19 Aug - 03 Sep	Emirates
14 Aug - 21 Aug	Etihad Airways
09 Aug - 15 Aug	Emirates
11 Aug - 21 Aug	Emirates

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

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 August from 670€

Return flights