AirHint found the following cheapest return flights from Ronchi De Legionari (TRS) to Lisbon (LIS) in August 2025 (see full year).

Return flights

25 Aug - 31 Aug	Ryanair
28 Aug - 03 Sep	Lufthansa
25 Aug - 03 Sep	Lufthansa
29 Aug - 31 Aug	Ryanair
30 Aug - 03 Sep	ITA Airways
27 Aug - 31 Aug	Ryanair
30 Aug - 06 Sep	Ryanair
24 Aug - 31 Aug	ITA Airways
28 Aug - 02 Sep	ITA Airways
29 Aug - 05 Sep	Ryanair
31 Aug - 07 Sep	Ryanair
29 Aug - 01 Sep	ITA Airways
25 Aug - 28 Aug	Ryanair
23 Aug - 25 Aug	Lufthansa
25 Aug - 30 Aug	Ryanair
21 Aug - 28 Aug	Lufthansa
27 Aug - 30 Aug	Lufthansa
25 Aug - 29 Aug	Ryanair

Also check the deals for one-way flights from Ronchi De Legionari to Lisbon in August.

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 Lisbon in August from $315

Return flights