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

One-Way flights

18 Dec	Ryanair
14 Dec	Ryanair	direct
17 Dec	Wizz Air	direct
16 Dec	Wizz Air	direct
21 Dec	Ryanair	direct
15 Dec	Ryanair
18 Dec	Ryanair	direct
31 Dec	Wizz Air	direct
23 Dec	Vueling Airlines
11 Dec	Ryanair

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

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 one-way flights from Porto to Warsaw in December from $46

One-Way flights