Cheapest return flights from Porto to Singapore in July from 1028€

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 July 2025 (see full year).

Return flights

28 Jul - 02 Aug TAP

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

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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