AirHint found the following cheapest return flights from Washington (IAD) to Paris (CDG) in September 2026 (see full year).
Return flights
| 03 Sep - 11 Sep | Scandinavian Airlines | ||
| 09 Sep - 16 Sep | Scandinavian Airlines | ||
| 14 Sep - 21 Sep | Scandinavian Airlines | ||
| 01 Sep - 26 Sep | Scandinavian Airlines | ||
| 29 Sep - 03 Oct | Scandinavian Airlines |
Also check the deals for one-way flights from Washington to Paris in September.
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