Find cheap airlines flights from Seattle to Hong Kong

Choose from 12 carriers that fly from Seattle to Hong Kong, including EVA Air, Philippine Airlines, and China Airlines. Enjoy the cheapest tickets on this route with Philippine Airlines.
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Find flight deals from Seattle to Hong Kong for the next 3 months. Book one way flights from $306 or round trip flights from $598.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Seattle to Hong Kong

The distance between Seattle and Hong Kong is about 10,423.89 km. The most popular month to Hong Kong is January. The off-season for travel is September.

Cheapest one-way flight price$306
Cheapest round-trip ticket price$598
Off-season for travelSeptember
Peak season for travelJanuary
Flight distance10,423.89 km
Popular airlineEVA Air

When is the cheapest time to fly from Seattle to Hong Kong?

The cheapest time for Seattle to Hong Kong flights: Jan 25 to Feb 1 — one way flight prices from $304.

Cheapest flights
From price
Search
  • 916
  • 1623
  • 2330
  • Dec

    307
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Seattle to Hong Kong?

    At the moment, you can catch a nonstop flight from Seattle to Hong Kong with the following airlines, including: Cathay Pacific Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Hong Kong is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Seattle to Hong Kong is September, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Seattle to Hong Kong on November 16, 2025 with Philippine Airlines, with prices starting at $610.
  • You can land at any one of the following hubs in Hong Kong, with Seattle–Tacoma International Airport to Hong Kong International Airport (SEA-HKG) is by far the most common option on this route: Hong Kong International Airport (HKG).
  • The time difference between Hong Kong and Seattle is 16h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.