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

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

One-Way flights

14 May Philippine Airlines
06 May Philippine Airlines
16 May Philippine Airlines
04 May Air Canada
05 May Air Canada
06 May Cathay Pacific direct
14 May Cathay Pacific direct
16 May Cathay Pacific direct

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

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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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