Cheapest return flights from Thessaloniki to Porto in September from $185

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

Return flights

22 Sep - 25 Sep Ryanair
29 Sep - 06 Oct Ryanair
17 Sep - 23 Sep Ryanair
22 Sep - 24 Sep Ryanair
11 Sep - 18 Sep Air Serbia
26 Sep - 03 Oct Ryanair
19 Sep - 23 Sep Ryanair
18 Sep - 23 Sep Ryanair
08 Sep - 14 Sep Ryanair
25 Sep - 30 Sep Ryanair
05 Sep - 14 Sep Air Serbia
25 Sep - 28 Sep Ryanair

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

Skyscanner

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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