Cheapest return flights from Porto to Singapore in August from 802€

Best time to book flights for Porto (OPO) to Singapore (SIN) flights at AirHint

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

Return flights

06 Aug - 18 Aug IndiGo
18 Aug - 04 Sep Turkish Airlines
14 Aug - 04 Sep Turkish Airlines
12 Aug - 04 Sep Turkish Airlines
13 Aug - 04 Sep Turkish Airlines
10 Aug - 04 Sep Turkish Airlines
11 Aug - 04 Sep Turkish Airlines
08 Aug - 04 Sep Turkish Airlines
10 Aug - 03 Sep Turkish Airlines
11 Aug - 03 Sep Turkish Airlines
19 Aug - 04 Sep Turkish Airlines
04 Aug - 09 Aug Turkish Airlines
16 Aug - 30 Aug IndiGo
09 Aug - 24 Aug Turkish Airlines
03 Aug - 16 Aug IndiGo
05 Aug - 27 Aug Vueling Airlines
08 Aug - 23 Aug Turkish Airlines
01 Aug - 24 Aug Turkish Airlines
01 Aug - 12 Aug Turkish Airlines
09 Aug - 23 Aug Turkish Airlines

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore