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

Return flights

26 Aug - 02 Sep	Spirit Airlines
26 Aug - 11 Sep	Spirit Airlines
16 Aug - 30 Aug	Spirit Airlines
26 Aug - 09 Sep	Turkish Airlines
24 Aug - 02 Sep	Turkish Airlines
17 Aug - 26 Aug	Turkish Airlines
21 Aug - 01 Sep	Turkish Airlines
30 Aug - 08 Sep	Turkish Airlines
28 Aug - 06 Sep	Delta
04 Aug - 14 Aug	Spirit Airlines
01 Aug - 12 Aug	Spirit Airlines
07 Aug - 11 Aug	Frontier Airlines

Also check the deals for one-way flights from Houston 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 Houston to Athens in August from 520€

Return flights