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

Return flights

30 May - 09 Jun	Air Serbia
15 May - 18 May	Ryanair
08 May - 11 May	Air Serbia
01 May - 08 May	Ryanair
29 May - 01 Jun	Air Serbia
19 May - 24 May	Ryanair
08 May - 17 May	Air Serbia
09 May - 14 May	Aegean Airlines
09 May - 17 May	Aegean Airlines
01 May - 17 May	SKY express
06 May - 08 May	SKY express
06 May - 17 May	SKY express
30 May - 07 Jun	Air Serbia
27 May - 03 Jun	SKY express
27 May - 07 Jun	SKY express
29 May - 03 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 173€

Return flights