AirHint found the following cheapest return flights from Thessaloniki (SKG) to Lisbon (LIS) in August 2026 (see full year).

Return flights

06 Aug - 18 Aug	Air Serbia
03 Aug - 13 Aug	Air Serbia
03 Aug - 08 Aug	Air Serbia
02 Aug - 05 Aug	SKY express
08 Aug - 15 Aug	Air Serbia
15 Aug - 22 Aug	Air Serbia
28 Aug - 31 Aug	SWISS
15 Aug - 23 Aug	Air Serbia
02 Aug - 19 Aug	SKY express
01 Aug - 05 Aug	Air Serbia
19 Aug - 04 Sep	SKY express
16 Aug - 04 Sep	SKY express
21 Aug - 04 Sep	SKY express

Also check the deals for one-way flights from Thessaloniki 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 Thessaloniki to Lisbon in August from $310

Return flights