AirHint found the following cheapest return flights from Houston (IAH) to Athens (ATH) in September 2026 (see full year).
Return flights
| 23 Sep - 07 Oct | Air Canada | ||
| 27 Sep - 04 Oct | Air Canada | ||
| 20 Sep - 04 Oct | Air Canada | ||
| 15 Sep - 27 Sep | Turkish Airlines |
Also check the deals for one-way flights from Houston to Athens in September.
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