Cheapest return flights from Seattle to Manila in September from 518€

AirHint found the following cheapest return flights from Seattle (SEA) to Manila (MNL) in September 2026 (see full year).

Return flights

03 Sep - 14 Sep Korean Air
18 Sep - 23 Sep Asiana Airlines
11 Sep - 14 Sep Asiana Airlines
04 Sep - 20 Sep Asiana Airlines
05 Sep - 04 Oct Asiana Airlines
06 Sep - 04 Oct Korean Air
18 Sep - 26 Sep Asiana Airlines
06 Sep - 27 Sep United
03 Sep - 18 Sep United
12 Sep - 11 Oct United
13 Sep - 11 Oct United
18 Sep - 23 Sep Philippine Airlines direct
04 Sep - 20 Sep Philippine Airlines direct
06 Sep - 27 Sep Philippine Airlines direct
13 Sep - 11 Oct Philippine Airlines direct

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

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