Cheapest return IAD–CDG flights, September

AirHint found the following cheapest return flights from Washington (IAD) to Paris (CDG) in September 2026 (see full year).

Return flights

27 Sep - 01 Oct Scandinavian Airlines
28 Sep - 02 Oct Scandinavian Airlines
16 Sep - 23 Sep Scandinavian Airlines
19 Sep - 26 Sep Scandinavian Airlines
14 Sep - 19 Sep Scandinavian Airlines
23 Sep - 28 Sep Scandinavian Airlines
24 Sep - 12 Oct Scandinavian Airlines
18 Sep - 23 Sep Scandinavian Airlines
02 Sep - 09 Sep Scandinavian Airlines
01 Sep - 15 Sep Turkish Airlines
01 Sep - 08 Sep Turkish Airlines
02 Sep - 08 Sep Turkish Airlines
03 Sep - 08 Sep Turkish Airlines
29 Sep - 22 Oct British Airways
24 Sep - 12 Oct Brussels Airlines 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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