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

Return flights

30 Dec - 27 Jan	Etihad Airways
30 Dec - 24 Jan	Etihad Airways
30 Dec - 26 Jan	Etihad Airways
29 Dec - 29 Jan	Etihad Airways
02 Dec - 09 Dec	Turkish Airlines
31 Dec - 24 Jan	Etihad Airways
31 Dec - 28 Jan	Turkish Airlines
01 Dec - 27 Jan	Air Canada
01 Dec - 22 Jan	Air Canada
04 Dec - 23 Jan	SWISS
04 Dec - 22 Jan	SWISS
04 Dec - 25 Dec	Turkish Airlines
02 Dec - 27 Dec	Turkish Airlines
01 Dec - 25 Dec	Turkish Airlines
15 Dec - 30 Dec	Lufthansa

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

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 December from $696

Return flights