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

Return flights

01 Dec - 16 Dec	Turkish Airlines
30 Dec - 30 Jan	Turkish Airlines
30 Dec - 25 Jan	Frontier Airlines
08 Dec - 20 Dec	Royal Air Maroc
28 Dec - 16 Jan	Saudia
24 Dec - 19 Jan	Etihad Airways
08 Dec - 27 Dec	Turkish Airlines
08 Dec - 28 Dec	SWISS
31 Dec - 07 Jan	Turkish Airlines
26 Dec - 10 Jan	Frontier Airlines
24 Dec - 10 Jan	Etihad Airways
10 Dec - 28 Dec	Turkish Airlines
15 Dec - 10 Jan	Frontier Airlines
11 Dec - 28 Dec	Iberia
16 Dec - 14 Jan	Aer Lingus
25 Dec - 06 Jan	Etihad Airways
16 Dec - 31 Dec	Aer Lingus
12 Dec - 31 Dec	Turkish Airlines
18 Dec - 28 Dec	Aer Lingus

Also check the deals for one-way flights from Washington to Dhaka 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 Dhaka in December from 842€

Return flights