AirHint found the following cheapest return flights from Washington (IAD) to Delhi (DEL) in January 2026 (see full year).

Return flights

20 Jan - 18 Feb	SWISS
17 Jan - 16 Feb	SWISS
18 Jan - 17 Feb	SWISS
20 Jan - 19 Feb	SWISS
24 Jan - 23 Feb	SWISS
25 Jan - 24 Feb	SWISS
18 Jan - 07 Feb	SWISS
20 Jan - 25 Feb	SWISS
19 Jan - 18 Feb	SWISS
21 Jan - 20 Feb	SWISS
10 Jan - 26 Jan	Delta
13 Jan - 27 Jan	Etihad Airways
15 Jan - 26 Jan	Delta
14 Jan - 21 Jan	Etihad Airways
21 Jan - 28 Jan	Etihad Airways
13 Jan - 20 Jan	Turkish Airlines
13 Jan - 31 Jan	Delta
14 Jan - 28 Jan	Delta
05 Jan - 19 Jan	Delta
01 Jan - 31 Jan	Saudia

Also check the deals for one-way flights from Washington to Delhi in January.

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 Delhi in January from 589€

Return flights