AirHint found the following cheapest return flights from Washington (DCA) to Dubai (DXB) in September 2025 (see full year).

Return flights

12 Sep - 19 Sep	Delta
13 Sep - 20 Sep	Delta
11 Sep - 16 Oct	Delta
26 Sep - 04 Oct	Delta
24 Sep - 28 Sep	Delta
04 Sep - 08 Sep	Delta
18 Sep - 21 Sep	Delta
18 Sep - 02 Oct	Air Canada
15 Sep - 29 Sep	Qatar Airways
09 Sep - 16 Sep	Qatar Airways
11 Sep - 19 Sep	Qatar Airways
04 Sep - 18 Sep	Qatar Airways
21 Sep - 29 Sep	Qatar Airways

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

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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Cheapest return flights from Washington to Dubai in September from $760

Return flights