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

Return flights

29 Sep - 06 Oct	Turkish Airlines
02 Sep - 11 Sep	Turkish Airlines
02 Sep - 11 Sep	Etihad Airways	direct
17 Sep - 24 Sep	IndiGo
16 Sep - 23 Sep	IndiGo
21 Sep - 28 Sep	IndiGo
23 Sep - 30 Sep	IndiGo
25 Sep - 30 Sep	IndiGo
14 Sep - 21 Sep	IndiGo
18 Sep - 25 Sep	IndiGo
08 Sep - 15 Sep	IndiGo
24 Sep - 01 Oct	IndiGo
27 Sep - 04 Oct	IndiGo
30 Sep - 07 Oct	IndiGo
29 Sep - 07 Oct	IndiGo
20 Sep - 20 Oct	IndiGo
28 Sep - 05 Oct	Etihad Airways	direct
29 Sep - 06 Oct	Etihad Airways	direct
23 Sep - 26 Oct	IndiGo
09 Sep - 28 Oct	IndiGo

Also check the deals for one-way flights from Washington to Abu Dhabi 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 Abu Dhabi in September from 664€

Return flights