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

Return flights

31 Dec - 16 Jan	Etihad Airways
06 Dec - 20 Jan	Etihad Airways
10 Dec - 24 Dec	Etihad Airways
05 Dec - 28 Dec	Qatar Airways
05 Dec - 29 Dec	Turkish Airlines
11 Dec - 29 Dec	Etihad Airways
08 Dec - 29 Dec	Etihad Airways
14 Dec - 19 Dec	Turkish Airlines
25 Dec - 28 Dec	Etihad Airways
25 Dec - 12 Jan	Etihad Airways
16 Dec - 18 Jan	Turkish Airlines
26 Dec - 10 Jan	Etihad Airways
05 Dec - 05 Jan	Turkish Airlines
15 Dec - 31 Dec	Etihad Airways
24 Dec - 12 Jan	Turkish Airlines
05 Dec - 08 Jan	Turkish Airlines
15 Dec - 05 Jan	Air Canada
24 Dec - 07 Jan	Lufthansa
24 Dec - 31 Dec	Emirates
19 Dec - 30 Dec	Aer Lingus

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 $806

Return flights