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Low Price Flights from Hong Kong to Seattle

What to know about flights from Hong Kong to Seattle?

The approximate distance between Hong Kong and Seattle is 10,423.89km. Average flight time from Hong Kong to Seattle is around 11 hours 40 minutes. According to Trip.com data, travel demand hits its peak in July. The cheapest month to book flights is October.

Cheapest one-way
AU$ 486
Air Canada Air Canada HKG-SEA 27h 57m · 1 stop Fri, Oct 2
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Cheapest return
AU$ 967
United Airlines United Airlines HKG-SEA 27h 56m · 2 stops Thu, Sep 10 - Thu, Sep 17
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Recommended airlines
Air Canada Air Canada Cheapest · From AU$ 486 American Airlines American Airlines Most booked
Best time to book
October
Cheapest
July
Peak season for travel
Route details
10,423.89km
Flight distance
11h 40m
Average flight time

Explore the cheapest one-way and round-trip flights from Hong Kong to Seattle over the next 90 days, with one-way fares from AU$ 486 and round-trip from AU$ 967. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        HKG 13:30
        11h 40m
        Direct
        SEA 09:10
        Hong Kong - Seattle | Wed, Nov 4 | Cathay Pacific
        SEA 10:50
        13h 55m
        Direct
        HKG 16:45
        Seattle - Hong Kong | Tue, Nov 10 | Cathay Pacific
        AU$ 1,349 AU$ 1,666
        19% off
        19% off
        AU$ 1,666 AU$ 1,349
      • HKG 13:25
        11h 40m
        Direct
        SEA 10:05
        Hong Kong - Seattle | Tue, Oct 13 | Cathay Pacific
        SEA 11:45
        14h
        Direct
        HKG 16:45
        Seattle - Hong Kong | Fri, Oct 16 | Cathay Pacific
        AU$ 1,349 AU$ 1,666
        19% off
        19% off
        AU$ 1,666 AU$ 1,349
      • HKG 22:30
        27h 56m
        1 stop
        SEA 11:26
        Hong Kong - Seattle | Thu, Sep 10 | United Airlines
        SEA 16:30
        22h 10m
        1 stop
        HKG 05:40
        Seattle - Hong Kong | Thu, Sep 17 | United Airlines
        AU$ 967 AU$ 1,666
        42% off
        42% off
        AU$ 1,666 AU$ 967
      • HKG 11:25
        23h 44m
        1 stop
        SEA 19:09
        Hong Kong - Seattle | Wed, Nov 4 | United Airlines
        SEA 10:40
        28h 5m
        1 stop
        HKG 06:45
        Seattle - Hong Kong | Tue, Nov 10 | United Airlines
        AU$ 968
        42% off
        AU$ 1,666 AU$ 968
      • HKG 22:30
        30h 47m
        1 stop
        SEA 14:17
        Hong Kong - Seattle | Tue, Oct 6 | United Airlines
        SEA 06:30
        21h
        1 stop
        HKG 18:30
        Seattle - Hong Kong | Tue, Oct 13 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 12:40
        18h 10m
        1 stop
        SEA 15:50
        Hong Kong - Seattle | Wed, Oct 7 | United Airlines
        SEA 07:11
        20h 44m
        1 stop
        HKG 18:55
        Seattle - Hong Kong | Mon, Oct 12 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 22:30
        30h 47m
        1 stop
        SEA 14:17
        Hong Kong - Seattle | Tue, Oct 13 | United Airlines
        SEA 16:35
        22h 5m
        1 stop
        HKG 05:40
        Seattle - Hong Kong | Tue, Oct 20 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 12:40
        21h 49m
        1 stop
        SEA 19:29
        Hong Kong - Seattle | Wed, Oct 14 | United Airlines
        SEA 09:05
        18h 50m
        1 stop
        HKG 18:55
        Seattle - Hong Kong | Mon, Oct 19 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 11:45
        19h 49m
        1 stop
        SEA 16:34
        Hong Kong - Seattle | Thu, Oct 15 | United Airlines
        SEA 18:43
        19h 57m
        1 stop
        HKG 05:40
        Seattle - Hong Kong | Mon, Oct 19 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 11:45
        26h 41m
        1 stop
        SEA 23:26
        Hong Kong - Seattle | Mon, Oct 19 | United Airlines
        SEA 16:35
        22h 5m
        1 stop
        HKG 05:40
        Seattle - Hong Kong | Wed, Oct 21 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 22:30
        30h 47m
        1 stop
        SEA 14:17
        Hong Kong - Seattle | Tue, Oct 20 | United Airlines
        SEA 12:16
        26h 24m
        1 stop
        HKG 05:40
        Seattle - Hong Kong | Thu, Oct 22 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 22:30
        17h 45m
        1 stop
        SEA 01:15
        Hong Kong - Seattle | Wed, Oct 21 | United Airlines
        SEA 16:39
        23h 21m
        1 stop
        HKG 07:00
        Seattle - Hong Kong | Wed, Oct 28 | United Airlines
        AU$ 969
        42% off
        AU$ 1,666 AU$ 969
      • HKG 13:00
        17h 25m
        1 stop
        SEA 14:00
        Hong Kong - Seattle | Mon, Sep 7 | Normal Airline
        SEA 15:00
        6h
        Direct
        HKG 16:00
        Seattle - Hong Kong | Wed, Sep 9 | Normal Airline
        Find more flights
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      • Cheapest nonstop
        HKG 13:25
        11h 40m
        Direct
        SEA 10:05
        Hong Kong - Seattle | Thu, Sep 17 | American Airlines
        AU$ 881 AU$ 1,088
        19% off
        19% off
        AU$ 1,088 AU$ 881
      • HKG 13:25
        11h 40m
        Direct
        SEA 10:05
        Hong Kong - Seattle | Fri, Sep 18 | American Airlines
        AU$ 881 AU$ 1,088
        19% off
        19% off
        AU$ 1,088 AU$ 881
      • HKG 09:45
        27h 57m
        1 stop
        SEA 22:42
        Hong Kong - Seattle | Fri, Oct 2 | Air Canada
        AU$ 486 AU$ 1,088
        55% off
        55% off
        AU$ 1,088 AU$ 486
      • HKG 11:10
        23h 25m
        1 stop
        SEA 19:35
        Hong Kong - Seattle | Sat, Oct 31 | Philippine Airlines
        AU$ 490
        55% off
        AU$ 1,088 AU$ 490
      • HKG 17:55
        34h 19m
        1 stop
        SEA 13:14
        Hong Kong - Seattle | Fri, Oct 2 | Delta Air Lines
        AU$ 531
        51% off
        AU$ 1,088 AU$ 531
      • HKG 12:20
        37h 20m
        1 stop
        SEA 10:40
        Hong Kong - Seattle | Fri, Oct 2 | Korean Air
        AU$ 535
        51% off
        AU$ 1,088 AU$ 535
      • HKG 13:40
        21h 25m
        1 stop
        SEA 20:05
        Hong Kong - Seattle | Mon, Oct 5 | Philippine Airlines
        AU$ 539
        50% off
        AU$ 1,088 AU$ 539
      • HKG 21:45
        39h 14m
        1 stop
        SEA 21:59
        Hong Kong - Seattle | Fri, Oct 2 | United Airlines
        AU$ 541
        50% off
        AU$ 1,088 AU$ 541
      • HKG 19:25
        34h 6m
        1 stop
        SEA 14:31
        Hong Kong - Seattle | Sat, Oct 31 | Air Canada
        AU$ 567
        48% off
        AU$ 1,088 AU$ 567
      • HKG 01:40
        27h
        1 stop
        SEA 13:40
        Hong Kong - Seattle | Fri, Oct 2 | Alaska Airlines
        AU$ 591
        46% off
        AU$ 1,088 AU$ 591
      • HKG 22:55
        35h 35m
        1 stop
        SEA 19:30
        Hong Kong - Seattle | Mon, Oct 26 | Philippine Airlines
        AU$ 599
        45% off
        AU$ 1,088 AU$ 599
      • HKG 11:30
        23h 35m
        1 stop
        SEA 20:05
        Hong Kong - Seattle | Fri, Oct 23 | Philippine Airlines
        AU$ 599
        45% off
        AU$ 1,088 AU$ 599
      • HKG 13:00
        17h 25m
        1 stop
        SEA 14:00
        Hong Kong - Seattle | Mon, Sep 7 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Hong Kong to Seattle operate an average of 2 times per day over the past 7 days, with a 0.0% on-time departure rate and a 50.0% on-time arrival rate.

Which airlines are the most popular for Hong Kong to Seattle flights?

Choose from 1 carriers that fly from Hong Kong to Seattle, including American Airlines, Enjoy the cheapest tickets on this route with Air Canada.
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Hong Kong to Seattle according to previous 12 months data from Trip.com.

Trip.com Price Insights on Flights from Hong Kong to Seattle

What is the cheapest month for one-way flights from Hong Kong to Seattle?

Average price of one-way flights from Hong Kong to Seattle purchased by Trip.com users by month over the past 12 months.

According to Trip.com's data, the cheapest month for flights from Hong Kong to Seattle is October, with an average price of AU$ 652. Conversely, the most expensive month is typically August, with an average price of up to AU$ 1,521.

AU$ 1,521
AU$ 1,087
AU$ 652
AU$ 218
    Cheapest
  • AU$ 1,521
    Aug
  • AU$ 689
    Sep
  • AU$ 652
    Oct
  • AU$ 704
    Nov
  • AU$ 804
    Dec
  • AU$ 1,080
    Jan
  • AU$ 729
    Feb
  • AU$ 790
    Mar
  • AU$ 1,037
    Apr
  • AU$ 778
    May
  • AU$ 727
    Jun
  • AU$ 920
    Jul

What's the cheapest day to fly from Hong Kong to Seattle?

Data is based on the average flight price for each day of the week from Hong Kong to Seattle on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from Hong Kong to Seattle is Friday, with average prices lower than on other days. Avoid Monday, as prices are usually highest then.

AU$ 952
AU$ 855
AU$ 758
AU$ 661
    Cheapest
  • AU$ 952
    Mon
  • AU$ 835
    Tue
  • AU$ 777
    Wed
  • AU$ 873
    Thu
  • AU$ 758
    Fri
  • AU$ 901
    Sat
  • AU$ 891
    Sun

When is the cheapest day to fly from Hong Kong to Seattle during Labour Day?

Data is based on the lowest one-way fares from Hong Kong to Seattle during Labour Day, sourced from the Trip.com database over the last 3 days.

Labour Day is scheduled for Oct 5. The lowest flight fares from Hong Kong to Seattle are available on Oct 6, starting from AU$ 616.

AU$ 681
AU$ 649
AU$ 616
AU$ 584
    Cheapest
  • AU$ 681
    2
    Oct
  • AU$ 663
    3
  • AU$ 663
    4
  • AU$ 618
    5
  • AU$ 616
    6
  • AU$ 673
    7

Flight FAQs

  • Which airlines offer the cheapest flights from Hong Kong to Seattle?

    Based on Trip.com data, Air Canada offers Cheapest nonstop one-way flights from AU$ 486 (for example, HKG–SEA on Fri, Oct 2). For a Cheapest nonstop return flight, United Airlines offers fares from AU$ 967, departing on Thu, Sep 10 and returning on Thu, Sep 17.
  • At the moment, several airlines serve connecting flights from Hong Kong to Seattle, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • It takes about 11 hours 40 minutes to fly from Hong Kong (HKG) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Hong Kong to Seattle 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.
  • On average, 5 direct flights operate each week between Hong Kong and Seattle. See below the schedules of the main airlines serving this route:
    American Airlines: S/M/T/W/-/F/- – AA8953 (departure at 13:35)
  • Here are some tips for finding the best flight deals from Hong Kong to Seattle on Trip.com:
    · Be flexible with your travel dates. The cheapest flight is currently on Fri, Oct 2, with one-way fares from just AU$ 486.
    · Compare airlines. American Airlines currently offers the lowest fares on this route.
    · Set up a price alert to track fare changes without searching every day.
    · Check Trip.com regularly for flight deals and available promo codes.
    · Avoid peak season or book early. July is generally the busiest month for travel to Seattle.
    · Get exclusive promo codes on the Trip.com app.
  • The cheapest month to book a flight from Hong Kong to Seattle is usually October, when demand is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Hong Kong to Seattle on September 18, 2026 with Air Canada, with prices starting at AU$ 403.
  • Flights to Seattle can arrive at: King County (Boeing Field) International Airport (BFI)Kenmore Air Harbor Seaplane Base (LKE)Seattle-Tacoma International Airport (SEA). The most common route connects Hong Kong International Airport and Seattle-Tacoma International Airport (HKG–SEA).
  • The time difference between Seattle and Hong Kong is 16h.
  • Tickets can only be changed or cancelled 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Hong Kong to Seattle is AU$ 817. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Hong Kong to Seattle is AU$ 1,635. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Hong Kong and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Jetstar Japanare the most popular budget airlines flying from Hong Kong to Seattle. Check baggage, seat and payment fees before comparing the final price.

Trip.com Airline Insights on Flights from Hong Kong toSeattle

Which airlines offer the cheapest nonstop flights from Hong Kong to Seattle?

Data is based on the average price of all nonstop flights from Hong Kong to Seattle on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, Philippine Airlines offers the cheapest nonstop flights from Hong Kong to Seattle, with an average price of AU$ 678.

AU$ 430
AU$ 678
AU$ 927
AU$ 1,175
AU$ 1,423
Philippine Airlines
AU$ 678
Philippine Airlines
China Airlines
AU$ 823
China Airlines
Air Canada
AU$ 829
Air Canada
Asiana Airlines
AU$ 891
Asiana Airlines
EVA Air
AU$ 1,069
EVA Air
Cathay Pacific
AU$ 1,423
Cathay Pacific

Which airlines operate the most flights from Hong Kong to Seattle?

Data is based on the number of flights from Hong Kong to Seattle operated by each airline on Trip.com in the past month.

Based on Trip.com data from the past month, American Airlines/Cathay Pacific/Malaysia Airlines operates the most flights from Hong Kong to Seattle, with 5 flight per week.

5
American Airlines
5
American Airlines
Cathay Pacific
5
Cathay Pacific
Malaysia Airlines
5
Malaysia Airlines

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.