AirHint found the following cheapest return flights from Tours (TUF) to Porto (OPO) in December 2025 (see full year).

Return flights

12 Dec - 19 Dec	Ryanair	direct
15 Dec - 19 Dec	Ryanair	direct
12 Dec - 15 Dec	Ryanair	direct
15 Dec - 09 Jan	Ryanair	direct
05 Dec - 12 Dec	Ryanair	direct
01 Dec - 05 Dec	Ryanair	direct
12 Dec - 05 Jan	Ryanair	direct
08 Dec - 31 Dec	Ryanair	direct
24 Dec - 29 Dec	Ryanair	direct
15 Dec - 07 Jan	Ryanair
26 Dec - 02 Jan	Ryanair	direct
22 Dec - 29 Dec	Ryanair	direct
26 Dec - 30 Dec	Ryanair
15 Dec - 08 Jan	Ryanair
28 Dec - 02 Jan	Ryanair
19 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Tours to Porto 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 return flights from Tours to Porto in December from $89

Return flights