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

Return flights

09 May - 19 May	Air Serbia
09 May - 14 May	Air Serbia
12 May - 20 May	Aegean Airlines
09 May - 16 May	Ryanair
04 May - 09 May	Air Serbia
21 May - 28 May	Air Serbia
06 May - 13 May	easyJet
13 May - 20 May	Ryanair
07 May - 16 May	Air Serbia
06 May - 27 May	easyJet
28 May - 01 Jun	Air Serbia
29 May - 01 Jun	Wizz Air
20 May - 07 Jun	SKY express
24 May - 07 Jun	SKY express
29 May - 14 Jun	SKY express
29 May - 03 Jun	Wizz Air
29 May - 07 Jun	SKY express
22 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 $195

Return flights