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

Return flights

22 Jan - 27 Jan	STARLUX Airlines
16 Jan - 23 Jan	STARLUX Airlines
22 Jan - 27 Jan	Philippine Airlines	direct
22 Jan - 29 Jan	Philippine Airlines	direct
01 Jan - 02 Jan	EVA Air
01 Jan - 21 Jan	Korean Air

Also check the deals for one-way flights from Manila to Seattle 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 Manila to Seattle in January from $560

Return flights