Cheapest one-way flights from Hong Kong to Seattle in March from $336

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

One-Way flights

18 Mar Philippine Airlines
10 Mar Philippine Airlines
23 Mar Hainan Airlines
09 Mar Hainan Airlines
20 Mar EVA Air
02 Mar EVA Air
27 Mar United
26 Mar Philippine Airlines
30 Mar Greater Bay Airlines
28 Mar EVA Air

Also check the deals for return flights from Hong Kong to Seattle 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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