Cheapest one-way flights from Seattle to Manila in March from $264

AirHint found the following cheapest one-way flights from Seattle (SEA) to Manila (MNL) in March 2026 (see full year).

One-Way flights

01 Mar Singapore Airlines
10 Mar Singapore Airlines
24 Mar Singapore Airlines
03 Mar Singapore Airlines
19 Mar Singapore Airlines
12 Mar Singapore Airlines
15 Mar Singapore Airlines
20 Mar Singapore Airlines
04 Mar Korean Air
23 Mar Korean Air

Also check the deals for return flights from Seattle to Manila in March.

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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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