AirHint found the following cheapest return flights from Seattle (SEA) to Manila (MNL) in November 2025 (see full year).

Return flights

07 Nov - 15 Nov	Singapore Airlines
02 Nov - 23 Nov	Asiana Airlines
23 Nov - 07 Dec	Asiana Airlines
16 Nov - 01 Dec	Asiana Airlines
02 Nov - 23 Nov	Philippine Airlines	direct
22 Nov - 07 Dec	Korean Air

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

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 November from $661

Return flights