AirHint found the following cheapest return flights from Lisbon (LIS) to Singapore (SIN) in October 2025 (see full year).

Return flights

29 Oct - 12 Nov	SWISS
07 Oct - 14 Oct	Air France
22 Oct - 13 Nov	Finnair
09 Oct - 27 Nov	Ryanair
09 Oct - 13 Oct	Etihad Airways
08 Oct - 15 Oct	Ryanair
21 Oct - 13 Nov	SWISS
21 Oct - 15 Nov	SWISS
09 Oct - 22 Oct	Etihad Airways
22 Oct - 15 Nov	SWISS
22 Oct - 14 Nov	SWISS
09 Oct - 16 Oct	Etihad Airways
20 Oct - 03 Nov	Lufthansa
14 Oct - 21 Oct	Etihad Airways
02 Oct - 09 Oct	Ryanair
09 Oct - 26 Oct	KLM
13 Oct - 20 Oct	easyJet
13 Oct - 03 Nov	SWISS
12 Oct - 19 Oct	Etihad Airways
24 Oct - 07 Nov	SWISS

Also check the deals for one-way flights from Lisbon to Singapore in October.

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 Lisbon to Singapore in October from 606€

Return flights