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

Return flights

31 Jul - 31 Aug	Alaska Airlines
30 Jul - 20 Aug	Japan Airlines
30 Jul - 30 Aug	Japan Airlines
16 Jul - 16 Aug	Asiana Airlines
30 Jul - 30 Aug	Philippine Airlines	direct
30 Jul - 20 Aug	Philippine Airlines	direct

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 $804

Return flights