AirHint found the following cheapest return flights from Thessaloniki (SKG) to Porto (OPO) in June 2025 (see full year).

Return flights

21 Jun - 27 Jun	SWISS
21 Jun - 28 Jun	SWISS
24 Jun - 01 Jul	SWISS
25 Jun - 29 Jun	Ryanair
27 Jun - 03 Jul	Ryanair
25 Jun - 28 Jun	Ryanair
28 Jun - 03 Jul	Ryanair
29 Jun - 08 Jul	Ryanair
24 Jun - 29 Jun	SWISS
28 Jun - 05 Jul	Ryanair
23 Jun - 30 Jun	Ryanair
18 Jun - 26 Jun	Transavia France
19 Jun - 25 Jun	Ryanair
18 Jun - 23 Jun	Ryanair
23 Jun - 02 Jul	Air Serbia
19 Jun - 22 Jun	Ryanair

Also check the deals for one-way flights from Thessaloniki to Porto in June.

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 Porto in June from $271

Return flights