Cheapest return flights from Seattle to Manila in September from $664

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

Return flights

04 Sep - 14 Sep STARLUX Airlines
23 Sep - 08 Oct STARLUX Airlines
03 Sep - 12 Oct STARLUX Airlines
05 Sep - 14 Oct STARLUX Airlines
07 Sep - 10 Oct STARLUX Airlines
07 Sep - 12 Oct STARLUX Airlines
10 Sep - 08 Oct STARLUX Airlines
24 Sep - 08 Oct ANA
04 Sep - 11 Sep Korean Air
24 Sep - 08 Oct Philippine Airlines direct
10 Sep - 08 Oct Philippine Airlines direct
03 Sep - 07 Sep Korean Air
14 Sep - 21 Sep Philippine Airlines direct
05 Sep - 12 Sep Korean Air
07 Sep - 12 Oct Philippine Airlines direct
03 Sep - 07 Sep Philippine Airlines direct
15 Sep - 24 Sep Asiana Airlines

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.

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