AirHint found the following cheapest return flights from Porto (OPO) to Singapore (SIN) in July 2026 (see full year).

Return flights

16 Jul - 28 Jul	Ryanair
15 Jul - 31 Jul	Ryanair
15 Jul - 24 Jul	Ryanair
03 Jul - 11 Jul	Ryanair
15 Jul - 25 Jul	Ryanair
14 Jul - 24 Jul	Ryanair
16 Jul - 27 Jul	Ryanair
14 Jul - 25 Jul	Air Europa
16 Jul - 26 Jul	Ryanair
11 Jul - 21 Jul	Wizz Air Malta
31 Jul - 11 Aug	Ryanair
23 Jul - 09 Aug	Air Europa

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

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 Porto to Singapore in July from $823

Return flights