AirHint found the following cheapest return flights from Cologne (CGN) to Thessaloniki (SKG) in July 2026 (see full year).

Return flights

06 Jul - 18 Jul	Aegean Airlines	direct
20 Jul - 04 Aug	Eurowings
21 Jul - 06 Aug	Eurowings
20 Jul - 05 Aug	Eurowings
16 Jul - 07 Aug	Aegean Airlines
20 Jul - 05 Aug	Aegean Airlines	direct
20 Jul - 06 Aug	Aegean Airlines
20 Jul - 04 Aug	Aegean Airlines	direct
22 Jul - 05 Aug	Lufthansa
17 Jul - 09 Aug	Eurowings
31 Jul - 23 Aug	Eurowings

Also check the deals for one-way flights from Cologne 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 Cologne to Thessaloniki in July from $213

Return flights