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

Return flights

22 Jan - 29 Jan	Turkish Airlines
23 Jan - 30 Jan	Turkish Airlines
17 Jan - 20 Jan	Turkish Airlines
17 Jan - 31 Jan	Delta
24 Jan - 31 Jan	Turkish Airlines
17 Jan - 20 Jan	Air India	direct
17 Jan - 31 Jan	Air India	direct
15 Jan - 18 Jan	Turkish Airlines
23 Jan - 30 Jan	Air India	direct
24 Jan - 31 Jan	Air India	direct

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.

Book a cheap hotel in Delhi

Cheap car rent in Delhi

Cheapest return flights from Washington to Delhi in January from $646

Return flights