Cheapest return flights from Hong Kong to Seattle in December from 516€

AirHint found the following cheapest return flights from Hong Kong (HKG) to Seattle (SEA) in December 2025 (see full year).

Return flights

19 Dec - 31 Dec Philippine Airlines
19 Dec - 01 Jan Philippine Airlines
23 Dec - 28 Dec United
27 Dec - 31 Dec United
19 Dec - 04 Jan Philippine Airlines
01 Dec - 07 Dec Air Canada
04 Dec - 11 Dec STARLUX Airlines
18 Dec - 10 Jan Philippine Airlines
23 Dec - 07 Jan United
22 Dec - 03 Jan EVA Air
26 Dec - 03 Jan EVA Air
20 Dec - 01 Jan United
07 Dec - 10 Dec Philippine Airlines
19 Dec - 27 Dec HK Express
20 Dec - 29 Dec China Eastern
19 Dec - 02 Jan Korean Air
06 Dec - 13 Dec United
08 Dec - 18 Dec Philippine Airlines

Also check the deals for one-way flights from Hong Kong to Seattle in December.

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