AirHint found the following cheapest return flights from Seattle (SEA) to Manila (MNL) in January 2026 (see full year).

Return flights

27 Jan - 03 Feb	Asiana Airlines
20 Jan - 13 Feb	Asiana Airlines
21 Jan - 01 Feb	Korean Air
25 Jan - 10 Feb	Asiana Airlines
20 Jan - 31 Jan	Asiana Airlines
26 Jan - 27 Feb	Asiana Airlines
25 Jan - 22 Feb	Asiana Airlines
15 Jan - 05 Feb	EVA Air
12 Jan - 22 Jan	STARLUX Airlines
13 Jan - 09 Feb	STARLUX Airlines
13 Jan - 23 Jan	STARLUX Airlines
11 Jan - 08 Feb	STARLUX Airlines
14 Jan - 21 Jan	STARLUX Airlines
11 Jan - 22 Feb	Korean Air
11 Jan - 19 Jan	Korean Air
07 Jan - 21 Jan	Korean Air
16 Jan - 30 Jan	EVA Air
04 Jan - 27 Jan	China Airlines
10 Jan - 19 Jan	Alaska Airlines
02 Jan - 25 Jan	EVA Air

Also check the deals for one-way flights from Seattle to Manila in January.

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 Seattle to Manila in January from 915CAD

Return flights