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

Return flights

08 Dec - 11 Jan	Saudia
29 Dec - 28 Jan	IndiGo
08 Dec - 08 Jan	Saudia
31 Dec - 26 Jan	Emirates
24 Dec - 19 Jan	Lufthansa
09 Dec - 14 Jan	Turkish Airlines
10 Dec - 17 Dec	Turkish Airlines
15 Dec - 15 Jan	Lufthansa
09 Dec - 11 Jan	Royal Jordanian
30 Dec - 24 Jan	Turkish Airlines
23 Dec - 15 Jan	IndiGo
19 Dec - 26 Dec	IndiGo

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 $975

Return flights