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

Return flights

01 Dec - 09 Dec	Qatar Airways
31 Dec - 14 Jan	Air Canada
04 Dec - 11 Dec	jetBlue
01 Dec - 25 Jan	Qatar Airways
08 Dec - 20 Dec	Air Canada
08 Dec - 15 Dec	Air Canada
10 Dec - 26 Dec	jetBlue
09 Dec - 24 Dec	Qatar Airways
25 Dec - 08 Jan	Frontier Airlines
25 Dec - 06 Jan	Frontier Airlines
24 Dec - 05 Jan	jetBlue
21 Dec - 06 Jan	jetBlue
20 Dec - 22 Dec	Air Canada
02 Dec - 01 Jan	TAP
23 Dec - 01 Jan	Air Canada
24 Dec - 08 Jan	Qatar Airways
12 Dec - 21 Dec	Qatar Airways
12 Dec - 25 Dec	Qatar Airways
15 Dec - 03 Jan	Air Canada
15 Dec - 31 Dec	Air Canada

Also check the deals for one-way flights from Washington to Karachi 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 Karachi in December from $1277

Return flights