Cheapest return flights from Seattle to Manila in April from $669

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

Return flights

15 Apr - 15 May Asiana Airlines
23 Apr - 09 May Singapore Airlines
03 Apr - 22 Apr Asiana Airlines
15 Apr - 15 May Philippine Airlines direct

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

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