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

Return flights

09 May - 15 May	Air Serbia
20 May - 26 May	Ryanair
07 May - 13 May	Aegean Airlines
09 May - 13 May	Aegean Airlines
12 May - 20 May	Aegean Airlines
26 May - 29 May	Aegean Airlines
14 May - 17 May	Air Serbia
02 May - 09 May	Air Serbia
02 May - 08 May	Air Serbia
14 May - 20 May	Air Serbia
28 May - 01 Jun	Aegean Airlines
29 May - 01 Jun	Air Serbia
29 May - 07 Jun	Air Serbia
29 May - 02 Jun	Air Serbia
28 May - 02 Jun	Air Serbia
27 May - 12 Jun	SKY express
27 May - 14 Jun	SKY express
30 May - 02 Jun	Aegean Airlines
29 May - 12 Jun	SKY express
27 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 149€

Return flights