AirHint found the following cheapest return flights from Ronchi De Legionari (TRS) to Porto (OPO) in December 2025 (see full year).

Return flights

12 Dec - 16 Dec	Ryanair
02 Dec - 07 Dec	Ryanair
12 Dec - 19 Dec	Ryanair
13 Dec - 18 Dec	Ryanair
05 Dec - 09 Dec	Ryanair
02 Dec - 04 Dec	Ryanair
19 Dec - 09 Jan	Ryanair
05 Dec - 08 Dec	Ryanair
25 Dec - 08 Jan	ITA Airways
26 Dec - 08 Jan	Ryanair
27 Dec - 08 Jan	Ryanair
25 Dec - 07 Jan	ITA Airways
09 Dec - 11 Dec	Ryanair
30 Dec - 07 Jan	Ryanair
24 Dec - 03 Jan	Ryanair
25 Dec - 06 Jan	ITA Airways
25 Dec - 05 Jan	ITA Airways
25 Dec - 28 Dec	ITA Airways
29 Dec - 06 Jan	Ryanair

Also check the deals for one-way flights from Ronchi De Legionari 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 Ronchi De Legionari to Porto in December from 140€

Return flights