AirHint found the following cheapest return flights from Washington (DCA) to Delhi (DEL) in December 2025 (see full year).

Return flights

30 Dec - 31 Jan	jetBlue
31 Dec - 14 Jan	jetBlue
29 Dec - 27 Jan	Air Canada
29 Dec - 26 Jan	Air Canada
30 Dec - 26 Jan	Air Canada
15 Dec - 20 Jan	jetBlue
03 Dec - 28 Jan	Air France
05 Dec - 20 Dec	United
16 Dec - 23 Jan	jetBlue
16 Dec - 24 Jan	jetBlue
16 Dec - 22 Jan	jetBlue
02 Dec - 25 Dec	Air India
11 Dec - 16 Dec	Air Canada
01 Dec - 31 Dec	Qatar Airways
08 Dec - 31 Dec	Air Canada
05 Dec - 30 Dec	Air Canada
21 Dec - 28 Dec	Air Canada
17 Dec - 29 Dec	Air Canada
20 Dec - 30 Dec	Air Canada

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

Book a cheap hotel in Delhi

Cheap car rent in Delhi

Cheapest return flights from Washington to Delhi in December from $918

Return flights