Cheapest one-way flights from Porto to Singapore in December from 606€

AirHint found the following cheapest one-way flights from Porto (OPO) to Singapore (SIN) in December 2025 (see full year).

One-Way flights

06 Dec KLM

Also check the deals for return flights from Porto to Singapore in December.

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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