Cheapest return flights from Seattle to Manila in August from $762

Best time to book flights for Seattle (SEA) to Manila (MNL) flights at AirHint

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

Return flights

27 Aug - 01 Sep China Airlines
10 Aug - 31 Aug Korean Air
29 Aug - 03 Sep Asiana Airlines
08 Aug - 24 Aug Singapore Airlines
09 Aug - 30 Aug Korean Air
29 Aug - 03 Sep Philippine Airlines direct
01 Aug - 08 Aug EVA Air
10 Aug - 31 Aug Philippine Airlines direct
08 Aug - 24 Aug Philippine Airlines direct
01 Aug - 08 Aug Philippine Airlines direct

Also check the deals for one-way 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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