Trip.com
>
Flights
>
Flights to China
>
Flights to Hong Kong
Hotels in Hong Kong
>
Flights from Seattle to Hong Kong

Cheapest airlines flights from Seattle to Hong Kong

Fly from Seattle to Hong Kong with 4 carriers, including Hawaiian Airlines, United Airlines, and STARLUX Airlines. Philippine Airlines offers the cheapest flights from Seattle to Hong Kong.
Hawaiian Airlines logo Hawaiian Airlines United Airlines logo United Airlines STARLUX Airlines logo STARLUX Airlines Japan Airlines logo Japan Airlines

Find Seattle to Hong Kong flight deals for the next 3 months. One way flights from US$301, round trip flights from US$599.

      • SEA 21:30
        32h 15m
        1 stop
        HKG 21:45
        Seattle - Hong Kong | Sun, Nov 23 | Philippine Airlines
        HKG 11:15
        23h 25m
        1 stop
        SEA 18:40
        Hong Kong - Seattle | Wed, Nov 26 | Philippine Airlines
        US$599 US$808
        26% OFF
        26% OFF
        US$808 US$599
      • SEA 11:00
        20h 10m
        1 stop
        HKG 23:10
        Seattle - Hong Kong | Thu, Jan 15 | Korean Air
        HKG 12:35
        36h 25m
        1 stop
        SEA 09:00
        Hong Kong - Seattle | Tue, Jan 20 | Korean Air
        US$607 US$808
        25% OFF
        25% OFF
        US$808 US$607
      • SEA 11:25
        19h 45m
        1 stop
        HKG 23:10
        Seattle - Hong Kong | Thu, Jan 15 | Delta Air Lines
        HKG 12:35
        16h 45m
        1 stop
        SEA 13:20
        Hong Kong - Seattle | Tue, Jan 20 | Delta Air Lines
        US$624 US$808
        23% OFF
        23% OFF
        US$808 US$624
      • SEA 21:30
        32h 15m
        1 stop
        HKG 21:45
        Seattle - Hong Kong | Thu, Nov 27 | Philippine Airlines
        HKG 22:45
        35h 55m
        1 stop
        SEA 18:40
        Hong Kong - Seattle | Mon, Dec 1 | Philippine Airlines
        US$627
        23% OFF
        US$808 US$627
      • SEA 21:30
        28h 25m
        1 stop
        HKG 17:55
        Seattle - Hong Kong | Tue, Nov 25 | Philippine Airlines
        HKG 22:45
        35h 55m
        1 stop
        SEA 18:40
        Hong Kong - Seattle | Mon, Dec 1 | Philippine Airlines
        US$637
        21% OFF
        US$808 US$637
      • SEA 21:30
        23h
        1 stop
        HKG 12:30
        Seattle - Hong Kong | Wed, Nov 26 | Philippine Airlines
        HKG 22:45
        35h 55m
        1 stop
        SEA 18:40
        Hong Kong - Seattle | Tue, Dec 2 | Philippine Airlines
        US$637
        21% OFF
        US$808 US$637
      • SEA 11:00
        37h 50m
        1 stop
        HKG 16:50
        Seattle - Hong Kong | Fri, Jan 16 | Korean Air
        HKG 18:55
        15h 45m
        1 stop
        SEA 18:40
        Hong Kong - Seattle | Tue, Jan 20 | Philippine Airlines
        US$650
        20% OFF
        US$808 US$650
      • SEA 20:00
        30h 40m
        1 stop
        HKG 18:40
        Seattle - Hong Kong | Sun, Nov 23 | Air Canada
        HKG 18:15
        14h 51m
        1 stop
        SEA 16:00
        Hong Kong - Seattle | Wed, Nov 26 | Air Canada
        US$654
        19% OFF
        US$808 US$654
      • SEA 10:05
        16h 35m
        1 stop
        HKG 18:40
        Seattle - Hong Kong | Wed, Nov 19 | Air Canada
        HKG 18:15
        14h 51m
        1 stop
        SEA 16:00
        Hong Kong - Seattle | Fri, Nov 21 | Air Canada
        US$662
        18% OFF
        US$808 US$662
      • SEA 20:00
        30h 40m
        1 stop
        HKG 18:40
        Seattle - Hong Kong | Sun, Jan 11 | Air Canada
        HKG 20:25
        14h 51m
        1 stop
        SEA 19:16
        Hong Kong - Seattle | Sun, Jan 18 | Air Canada
        US$663
        18% OFF
        US$808 US$663
      • SEA 13:00
        17h 25m
        1 stop
        HKG Invalid Date
        Seattle - Hong Kong | Wed, Nov 19 | Normal Airline
        HKG 15:00
        6h
        Nonstop
        SEA 16:00
        Hong Kong - Seattle | Fri, Nov 21 | Normal Airline
        Find More Flights
        Find More Flights

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

Seattle to Hong Kong Flight Information

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

Cheapest one-way flight priceUS$301
Cheapest return ticket priceUS$599
Cheapest monthSeptember
Peak season for travelJanuary
Flight distance10,423.89 km
Popular airlineHawaiian Airlines

When is the cheapest time to book flights from Seattle to Hong Kong?

Best time for cheap flights from Seattle to Hong Kong are between Jan 25 and Feb 1 with one way fares from US$297

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer flights from Seattle to Hong Kong?

    At the moment, several airlines serve connecting flights from Seattle to Hong Kong, including: United Airlines Hawaiian Airlines STARLUX Airlines Japan Airlines Selected airlines are based on historical data collected from flight bookings made by users 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 26, 2025 with Philippine Airlines, with prices starting at US$625.
  • 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.

Explore More Popular Flights