AirHint found the following cheapest return flights from Rotterdam (RTM) to Athens (ATH) in August 2025 (see full year).

Return flights

29 Aug - 01 Sep	transavia
21 Aug - 28 Aug	transavia
19 Aug - 25 Aug	transavia
27 Aug - 31 Aug	transavia
14 Aug - 25 Aug	transavia
15 Aug - 22 Aug	transavia
12 Aug - 24 Aug	transavia
07 Aug - 13 Aug	transavia
11 Aug - 18 Aug	TUI fly Belgium
09 Aug - 19 Aug	transavia
01 Aug - 31 Aug	TUI fly Belgium

Also check the deals for one-way flights from Rotterdam to Athens in August.

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 Rotterdam to Athens in August from $360

Return flights