Cheapest return flights from Porto to Singapore in June from $679

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 June 2025 (see full year).

Return flights

03 Jun - 16 Jun SWISS
09 Jun - 23 Jun Lufthansa
19 Jun - 30 Jun Ryanair
14 Jun - 17 Jun Ryanair
07 Jun - 21 Jun KLM
23 Jun - 30 Jun Ryanair
20 Jun - 11 Jul KLM
26 Jun - 01 Jul Ryanair
20 Jun - 27 Jun Ryanair
21 Jun - 28 Jun Ryanair
20 Jun - 12 Jul Turkish Airlines

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

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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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