Cheapest return flights from Seattle to Manila in August from 798€

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

18 Aug - 03 Sep Asiana Airlines
24 Aug - 03 Sep Asiana Airlines
24 Aug - 03 Sep Philippine Airlines direct
15 Aug - 29 Aug Singapore Airlines
01 Aug - 08 Sep United
15 Aug - 29 Aug Philippine Airlines direct
15 Aug - 23 Aug United

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.

Book a cheap hotel in Manila

Cheap car rent in Manila