Cheapest return flights from Graz to Kos in June from $183

AirHint found the following cheapest return flights from Graz (GRZ) to Kos (KGS) in June 2025 (see full year).

Return flights

25 Jun - 02 Jul Eurowings direct
28 Jun - 30 Jun Lufthansa
29 Jun - 09 Jul Austrian Airlines
25 Jun - 29 Jun Lufthansa
22 Jun - 02 Jul Austrian Airlines
25 Jun - 29 Jun Eurowings direct
22 Jun - 25 Jun Pegasus Airlines
29 Jun - 06 Jul Air Dolomiti
29 Jun - 09 Jul Eurowings direct
18 Jun - 29 Jun Lufthansa
22 Jun - 25 Jun Eurowings direct
22 Jun - 02 Jul Eurowings direct
29 Jun - 06 Jul Eurowings direct
29 Jun - 03 Jul Austrian Airlines
18 Jun - 29 Jun Eurowings direct
18 Jun - 21 Jun Eurowings
18 Jun - 22 Jun Eurowings

Also check the deals for one-way flights from Graz to Kos in June.

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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