Cheapest return flights from Washington to Paris in September from $618

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

10 Sep - 16 Sep Turkish Airlines
21 Sep - 10 Oct Turkish Airlines
24 Sep - 02 Oct Turkish Airlines
08 Sep - 22 Sep Turkish Airlines
02 Sep - 10 Sep Turkish Airlines
03 Sep - 12 Sep Turkish Airlines
02 Sep - 12 Sep Turkish Airlines
08 Sep - 12 Sep Royal Air Maroc
24 Sep - 03 Oct Aer Lingus
27 Sep - 10 Oct Aer Lingus
11 Sep - 18 Sep Icelandair
21 Sep - 28 Sep Icelandair
02 Sep - 10 Sep Air France direct
02 Sep - 12 Sep Air France direct
24 Sep - 02 Oct Air France direct
21 Sep - 10 Oct Air France 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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