Cheapest one-way flights from Seattle to Manila in December from $435

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

One-Way flights

05 Dec Japan Airlines
31 Dec Korean Air
07 Dec ANA
31 Dec Philippine Airlines direct
09 Dec Japan Airlines
10 Dec Hawaiian Airlines
05 Dec Philippine Airlines direct
14 Dec Alaska Airlines
15 Dec EVA Air
17 Dec Alaska Airlines

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

Powered by

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.