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

Return flights

15 Oct - 21 Oct	Turkish Airlines
15 Oct - 22 Oct	Turkish Airlines
13 Oct - 28 Oct	Turkish Airlines
23 Oct - 30 Oct	Turkish Airlines
07 Oct - 21 Oct	Turkish Airlines
07 Oct - 14 Oct	Turkish Airlines
17 Oct - 31 Oct	Turkish Airlines
24 Oct - 09 Nov	Delta
03 Oct - 15 Oct	Turkish Airlines
17 Oct - 24 Oct	Turkish Airlines
17 Oct - 08 Nov	Frontier Airlines
19 Oct - 26 Oct	Turkish Airlines
06 Oct - 01 Nov	Spirit Airlines

Also check the deals for one-way flights from Houston to Athens in October.

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 October from 519€

Return flights