[Expired]RT Seattle to Hong Kong Airfares

• Booking.com now offers Seattle to Hong Kong flights with a Seoul layover for $661 (original price $759).
• Travel period: September 2025-March 2026
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Editor's Pick: Flights operated by Asiana Airlines from Seattle (SEA) to Hong Kong (HKG) with a layover in Seoul, South Korea (one connection each way). Includes: one personal item, one carry-on luggage, and two free checked bags.

 

Available departure dates (from Seattle):

September: 2-4, 7-9, 11, 14, 16-18

 

October: 16, 19-23, 26-27, 29-30

 

November: 2-6, 9-13, 16-20, 23-27

 

December: 1-4, 7

 

January: 5-8, 13-15, 18-22, 25-29

 

February: 1-4, 22, 25

 

March: 1-5, 8-12, 15-19, 22-23, 25

Available return dates (from Hong Kong):

September: 9-16, 18, 20-21, 23-25, 28

 

October: 13-31

 

November: 1-13, 16-30

 

December: 1-29

 

January: 12-31

 

February: 1-11, 24-28

 

March: 1, 4-30