AirHint found the following cheapest return flights from Frankfurt (FRA) to Thessaloniki (SKG) in July 2025 (see full year).

Return flights

24 Jul - 26 Jul	Air Serbia
24 Jul - 25 Jul	Air Serbia
31 Jul - 07 Aug	Ryanair
29 Jul - 07 Aug	Ryanair
29 Jul - 09 Aug	Ryanair
24 Jul - 03 Aug	Air Serbia
28 Jul - 07 Aug	Ryanair
28 Jul - 04 Aug	Ryanair
24 Jul - 28 Jul	Air Serbia
30 Jul - 08 Aug	Condor
28 Jul - 08 Aug	Ryanair
24 Jul - 01 Aug	Air Serbia
31 Jul - 09 Aug	Air Serbia
24 Jul - 29 Jul	Air Serbia
24 Jul - 27 Jul	Air Serbia
25 Jul - 26 Jul	SKY express
24 Jul - 28 Jul	Lufthansa	direct
28 Jul - 31 Jul	Ryanair
24 Jul - 25 Jul	Ryanair	direct
24 Jul - 26 Jul	Ryanair	direct

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

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 Frankfurt to Thessaloniki in July from 175€

Return flights