Cheapest return flights from Seattle to Manila in September from 580€

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

Return flights

04 Sep - 06 Sep Asiana Airlines
15 Sep - 23 Sep Asiana Airlines
01 Sep - 30 Sep Asiana Airlines
25 Sep - 29 Oct Asiana Airlines
07 Sep - 17 Sep Asiana Airlines
28 Sep - 07 Oct Asiana Airlines
24 Sep - 24 Oct Asiana Airlines
04 Sep - 14 Sep Korean Air
05 Sep - 07 Sep Korean Air
27 Sep - 29 Oct Korean Air
05 Sep - 12 Sep Korean Air
07 Sep - 17 Sep Philippine Airlines direct
24 Sep - 24 Oct Philippine Airlines direct
05 Sep - 12 Sep Philippine Airlines direct
05 Sep - 07 Sep Philippine Airlines direct

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

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.