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

Return flights

29 Jul - 12 Aug	Spirit Airlines
30 Jul - 16 Aug	Spirit Airlines
28 Jul - 13 Aug	United
21 Jul - 24 Jul	Spirit Airlines
28 Jul - 11 Aug	Spirit Airlines
28 Jul - 10 Aug	Hawaiian Airlines
18 Jul - 25 Jul	Spirit Airlines
19 Jul - 31 Jul	Spirit Airlines
24 Jul - 28 Jul	Spirit Airlines
18 Jul - 31 Jul	Spirit Airlines
12 Jul - 19 Jul	Spirit Airlines
12 Jul - 30 Jul	Frontier Airlines
16 Jul - 27 Jul	Spirit Airlines
31 Jul - 07 Aug	United
29 Jul - 05 Aug	United

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

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 July from 709€

Return flights