AirHint found the following cheapest return flights from Lisbon (LIS) to Singapore (SIN) in August 2026 (see full year).

Return flights

31 Aug - 07 Sep	Finnair
31 Aug - 08 Sep	Finnair
24 Aug - 07 Sep	Finnair
24 Aug - 08 Sep	Finnair
30 Aug - 07 Sep	Finnair
30 Aug - 13 Sep	Finnair
23 Aug - 08 Sep	Finnair
30 Aug - 08 Sep	Finnair
30 Aug - 11 Sep	Finnair
18 Aug - 05 Sep	British Airways
16 Aug - 24 Aug	Ryanair
03 Aug - 18 Aug	easyJet
10 Aug - 17 Aug	Etihad Airways
04 Aug - 31 Aug	Wizz Air Malta
10 Aug - 20 Aug	Etihad Airways
08 Aug - 30 Aug	TAP
04 Aug - 20 Aug	Wizz Air Malta
05 Aug - 28 Aug	Ryanair
07 Aug - 22 Aug	Wizz Air
01 Aug - 20 Aug	TAP

Also check the deals for one-way flights from Lisbon 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 Lisbon to Singapore in August from 594€

Return flights