AirHint found the following cheapest return flights from Seattle (SEA) to Manila (MNL) in July 2026 (see full year).

Return flights

20 Jul - 20 Aug	Asiana Airlines
08 Jul - 03 Aug	Cathay Pacific
02 Jul - 04 Aug	Cathay Pacific
11 Jul - 02 Aug	Cathay Pacific
02 Jul - 02 Aug	Cathay Pacific
11 Jul - 31 Jul	Asiana Airlines
13 Jul - 02 Aug	Asiana Airlines
10 Jul - 02 Aug	Philippine Airlines	direct
11 Jul - 01 Aug	Asiana Airlines
12 Jul - 31 Jul	Korean Air
12 Jul - 01 Aug	Alaska Airlines
01 Jul - 01 Aug	Korean Air

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

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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Cheapest return flights from Seattle to Manila in July from 754€

Return flights