Cheapest return flights from Hong Kong (HKG) to Seattle (SEA), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
24 Sep 07 Oct Air Canada
24 Sep 06 Oct Air Canada
19 Sep 01 Oct Air Canada
22 Sep 10 Oct Air Canada
17 Sep 25 Sep Air Canada
11 Sep 19 Sep Air Canada
12 Sep 20 Sep Air Canada
12 Sep 19 Sep Air Canada
17 Sep 22 Oct Air Canada
19 Sep 17 Oct Air Canada
10 Sep 10 Oct Air Canada
24 Sep 03 Oct Air Canada
23 Sep 03 Oct Air Canada
10 Sep 16 Sep Air Canada
16 Sep 24 Sep United
09 Sep 17 Sep United
27 Sep 04 Oct United
02 Sep 19 Sep Air Canada
18 Sep 24 Sep United
18 Sep 27 Sep United
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deals for one-way flights from Hong Kong to Seattle in September.

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Updated Jul 16, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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