Cheapest return flights from Washington to Paris in September from $526

Best time to book flights for Washington (IAD) to Paris (CDG) flights at AirHint

AirHint found the following cheapest return flights from Washington (IAD) to Paris (CDG) in September 2025 (see full year).

Return flights

07 Sep - 17 Sep Scandinavian Airlines
08 Sep - 17 Sep Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
22 Sep - 29 Sep Scandinavian Airlines
02 Sep - 16 Sep Scandinavian Airlines
25 Sep - 09 Oct Scandinavian Airlines
09 Sep - 16 Sep Aer Lingus
01 Sep - 07 Sep Icelandair
03 Sep - 07 Sep Icelandair
12 Sep - 19 Sep Scandinavian Airlines
24 Sep - 01 Oct Air France direct
25 Sep - 09 Oct Delta direct

Also check the deals for one-way flights from Washington to Paris in September.

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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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