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

Return flights

04 May - 08 May	Eurowings	direct
01 May - 08 May	Ryanair
06 May - 13 May	Eurowings	direct
24 May - 31 May	Wizz Air Malta
17 May - 19 May	Eurowings
02 May - 05 May	Eurowings
31 May - 11 Jun	Eurowings
05 May - 14 May	Austrian Airlines
01 May - 25 May	Ryanair
02 May - 26 May	Eurowings
26 May - 29 May	Eurowings
29 May - 10 Jun	Ryanair
25 May - 01 Jun	Eurowings
28 May - 04 Jun	Ryanair
30 May - 06 Jun	Eurowings
28 May - 04 Jun	Eurowings	direct
31 May - 11 Jun	Eurowings	direct
14 May - 07 Jun	Ryanair
14 May - 07 Jun	Eurowings	direct
29 May - 10 Jun	Eurowings	direct

Also check the deals for one-way flights from Cologne to Thessaloniki in May.

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 May from $150

Return flights