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Cheapest one-way flights from Seattle (SEA) to Manila (MNL), September

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Dates, airline, and price
Dates	Airline	Price
03 Sep	Cathay Pacific
01 Sep	Asiana Airlines
16 Sep	Cathay Pacific
21 Sep	Cathay Pacific
04 Sep	Korean Air
13 Sep	Korean Air
27 Sep	United
26 Sep	United
16 Sep	Philippine Airlines Direct Flight
13 Sep	Philippine Airlines Direct Flight

deals for return flights from Seattle to Manila in September.

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Updated Jul 19, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Seattle (SEA) to Manila (MNL), September

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