Cheapest one-way flights from Seattle to Manila in December from 401€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Manila (MNL) in December 2025 (see full year).

One-Way flights

31 Dec United
30 Dec United
28 Dec Hawaiian Airlines
27 Dec Hawaiian Airlines
30 Dec Philippine Airlines direct
31 Dec Philippine Airlines direct
29 Dec Asiana Airlines
28 Dec Philippine Airlines direct

Also check the deals for return flights from Seattle to Manila in December.

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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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