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

Return flights

21 Dec - 04 Jan	Ethiopian Airlines
30 Dec - 14 Jan	KLM
28 Dec - 18 Jan	Etihad Airways
27 Dec - 17 Jan	Etihad Airways
13 Dec - 24 Jan	Alaska Airlines
26 Dec - 18 Jan	Etihad Airways
31 Dec - 15 Jan	ANA
30 Dec - 11 Jan	United
16 Dec - 19 Jan	Alaska Airlines
16 Dec - 23 Dec	Alaska Airlines
15 Dec - 15 Jan	Alaska Airlines
14 Dec - 28 Dec	Alaska Airlines
22 Dec - 29 Dec	Frontier Airlines
23 Dec - 30 Dec	Ethiopian Airlines
24 Dec - 28 Dec	EVA Air

Also check the deals for one-way flights from Washington to Manila 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 Manila in December from $1154

Return flights