Cheapest return flights from Seattle to Manila in August from $714

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

15 Aug - 13 Sep Singapore Airlines
18 Aug - 03 Sep Asiana Airlines
31 Aug - 12 Sep Asiana Airlines
31 Aug - 03 Sep Asiana Airlines
31 Aug - 28 Sep Asiana Airlines
27 Aug - 07 Sep Asiana Airlines
31 Aug - 28 Sep Philippine Airlines direct
31 Aug - 03 Sep Philippine Airlines direct
31 Aug - 12 Sep Philippine Airlines direct
19 Aug - 31 Aug China Airlines
22 Aug - 20 Sep United
17 Aug - 29 Aug ANA
17 Aug - 29 Aug Philippine Airlines direct
09 Aug - 24 Aug EVA Air
01 Aug - 29 Aug China Airlines
01 Aug - 29 Aug Philippine Airlines direct

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

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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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