Cheapest one-way flights from Seattle to Manila in August from $307

AirHint found the following cheapest one-way flights from Seattle (SEA) to Manila (MNL) in August 2025 (see full year).

One-Way flights

23 Aug Singapore Airlines
22 Aug Singapore Airlines
24 Aug Singapore Airlines
31 Aug Singapore Airlines
12 Aug Singapore Airlines
27 Aug Asiana Airlines
13 Aug Asiana Airlines
17 Aug Asiana Airlines
25 Aug Asiana Airlines
05 Aug Korean Air

Also check the deals for return flights from Seattle to Manila in August.

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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