AirHint found the following cheapest return flights from Washington (IAD) to Mumbai (BOM) in August 2025 (see full year).

Return flights

22 Aug - 20 Sep	Air India
29 Aug - 01 Sep	Air India
01 Aug - 28 Aug	Air India
08 Aug - 25 Aug	Air India
08 Aug - 26 Aug	Air India
12 Aug - 02 Sep	Turkish Airlines
07 Aug - 05 Sep	Turkish Airlines
15 Aug - 30 Aug	Air India
01 Aug - 12 Sep	Air India
05 Aug - 02 Sep	Turkish Airlines
18 Aug - 03 Sep	Delta
28 Aug - 06 Sep	Turkish Airlines
05 Aug - 01 Sep	Etihad Airways
12 Aug - 19 Aug	Royal Jordanian
06 Aug - 29 Aug	Qatar Airways
12 Aug - 26 Aug	Royal Jordanian
08 Aug - 24 Aug	Frontier Airlines
13 Aug - 24 Aug	IndiGo
13 Aug - 20 Aug	Air India

Also check the deals for one-way flights from Washington to Mumbai in August.

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 Mumbai in August from $609

Return flights