Cheapest return flights from Lisbon to Singapore in September from $674

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 September 2025 (see full year).

Return flights

09 Sep - 22 Sep Etihad Airways
09 Sep - 30 Sep KLM
14 Sep - 28 Sep SWISS
16 Sep - 26 Sep Air France
14 Sep - 27 Sep SWISS
30 Sep - 16 Oct Lufthansa
13 Sep - 28 Sep SWISS
13 Sep - 27 Sep SWISS
19 Sep - 04 Oct SWISS
13 Sep - 11 Oct SWISS
02 Sep - 14 Sep Finnair
03 Sep - 11 Sep KLM

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

Skyscanner

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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