AirHint found the following cheapest return flights from Houston (IAH) to Athens (ATH) in January 2026 (see full year).
Return flights
| 20 Jan - 03 Feb | Lufthansa | ||
| 26 Jan - 09 Feb | Lufthansa | ||
| 07 Jan - 20 Jan | Lufthansa | ||
| 10 Jan - 24 Jan | Lufthansa |
Also check the deals for one-way flights from Houston to Athens in January.
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