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

Return flights

02 May - 09 May	Air Serbia
11 May - 14 May	Air Serbia
02 May - 10 May	Air Serbia
02 May - 05 May	Air Serbia
12 May - 17 May	Ryanair
10 May - 14 May	Ryanair
24 May - 28 May	Ryanair
19 May - 23 May	Ryanair
09 May - 13 May	Air Serbia
09 May - 16 May	Air Serbia
27 May - 04 Jun	Ryanair
30 May - 07 Jun	Air Serbia
19 May - 02 Jun	SWISS
29 May - 02 Jun	SWISS
29 May - 01 Jun	Wizz Air
27 May - 07 Jun	SKY express
20 May - 07 Jun	SKY express
29 May - 07 Jun	SKY express

Also check the deals for one-way flights from Thessaloniki to Lisbon in May.

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 May from 155€

Return flights