Cheapest one-way flights from Seattle to Manila in December from 662€

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

One-Way flights

14 Dec Asiana Airlines
13 Dec Korean Air
12 Dec Philippine Airlines direct
14 Dec Philippine Airlines direct

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

Skyscanner

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.

Book a cheap hotel in Manila

Cheap car rent in Manila

Feel free to contact us with any feedback or request another flight research.