Cheapest return flights from Manila to Seattle in September from $706

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

Return flights

11 Sep - 02 Oct Korean Air
22 Sep - 29 Sep Korean Air
04 Sep - 25 Sep Korean Air
01 Sep - 15 Sep Korean Air
02 Sep - 16 Sep Korean Air
02 Sep - 23 Sep Korean Air
06 Sep - 27 Sep Korean Air
10 Sep - 01 Oct EVA Air
23 Sep - 30 Sep EVA Air
03 Sep - 24 Sep EVA Air
05 Sep - 26 Sep EVA Air
09 Sep - 30 Sep EVA Air
11 Sep - 02 Oct Philippine Airlines direct

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

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