Cheapest return flights from Lisbon to Singapore in August from 754€

Best time to book flights for Lisbon (LIS) to Singapore (SIN) flights at AirHint

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

Return flights

31 Aug - 13 Sep Finnair
19 Aug - 17 Sep KLM
07 Aug - 02 Sep Turkish Airlines
15 Aug - 31 Aug Ryanair
18 Aug - 16 Sep KLM
13 Aug - 20 Aug Ryanair
15 Aug - 22 Aug Ryanair
25 Aug - 31 Aug Turkish Airlines
06 Aug - 13 Aug Turkish Airlines
05 Aug - 25 Aug Finnair
14 Aug - 21 Aug IndiGo
15 Aug - 28 Aug IndiGo
15 Aug - 29 Aug IndiGo
02 Aug - 18 Aug Finnair
14 Aug - 04 Sep KLM

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

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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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