AirHint found the following cheapest return flights from Washington (IAD) to Poznan (POZ) in January 2026 (see full year).
Return flights
| 01 Jan - 13 Jan | Lufthansa | ||
| 04 Jan - 12 Jan | Lufthansa | ||
| 03 Jan - 13 Jan | Lufthansa | ||
| 03 Jan - 12 Jan | Lufthansa | ||
| 16 Jan - 25 Jan | Lufthansa |
Also check the deals for one-way flights from Washington to Poznan in January.
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