Cheapest return flights from Frankfurt to Thessaloniki in September from $139

AirHint found the following cheapest return flights from Frankfurt (FRA) to Thessaloniki (SKG) in September 2026 (see full year).

Return flights

01 Sep - 16 Sep Ryanair direct
04 Sep - 16 Sep Ryanair direct
02 Sep - 16 Sep Ryanair direct
10 Sep - 19 Sep Air Serbia
04 Sep - 28 Sep Air Serbia
23 Sep - 10 Oct Air Serbia
04 Sep - 27 Sep Air Serbia
01 Sep - 07 Sep Ryanair
01 Sep - 21 Sep Ryanair
01 Sep - 10 Sep Ryanair
01 Sep - 15 Sep Ryanair direct
24 Sep - 06 Oct SKY express
24 Sep - 12 Oct SKY express
23 Sep - 10 Oct Lufthansa direct
21 Sep - 06 Oct SKY express
21 Sep - 12 Oct SKY express

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

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