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

Return flights

02 Dec - 11 Dec	United
03 Dec - 12 Dec	United
08 Dec - 17 Dec	ANA
06 Dec - 17 Dec	United
06 Dec - 18 Dec	United
07 Dec - 18 Dec	United
07 Dec - 17 Dec	United
06 Dec - 19 Dec	Alaska Airlines
27 Dec - 17 Jan	Porter Airlines (Canada) Ltd
12 Dec - 22 Dec	United
25 Dec - 15 Jan	Sun Country Airlines
14 Dec - 16 Dec	United
20 Dec - 18 Jan	Porter Airlines (Canada) Ltd
20 Dec - 12 Jan	Porter Airlines (Canada) Ltd
14 Dec - 06 Jan	United
21 Dec - 02 Jan	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Boston 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 Boston to Manila in December from $886

Return flights