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Flights from Seattle to Hong Kong

Hi, I've summed up all the key info for Seattle to Hong Kong flights

Cheapest one-way

$ 310
Korean Air Wed, Sep 30

48% below next 30d avg. ($597)

Cheapest round-trip

$ 785
Hainan Airlines Tue, Oct 20

30% below next 30d avg. ($1,124)

When to travel

September Cheapest month
January Peak month

Fastest flight

14h Avg: 14h

Recommended airlines

With a lowest one-way fare of $310 , travelers can expect an average price of $597 for upcoming trips, while round-trip tickets start at $785 . Flights typically take around 14h , but the fastest nonstop option completes the journey in just 14h minutes. There are 5 flights weekly on this route. You can arrive at any of the following airports in Hong Kong: Hong Kong International Airport (HKG) . Flights from Seattle-Tacoma International Airport to Hong Kong International Airport (SEA-HKG) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 3d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Seattle to Hong Kong over the next 90 days, with one-way fares from $310 and round-trip from $785. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 11:45 AM
        14h
        Nonstop
        HKG 4:45 PM
        Seattle - Hong Kong | Tue, Oct 13 | Cathay Pacific
        HKG 1:25 PM
        11h 40m
        Nonstop
        SEA 10:05 AM
        Hong Kong - Seattle | Thu, Oct 15 | Cathay Pacific
        $883 $950
        7% off
        7% off
        $950 $883
      • SEA 11:45 AM
        14h
        Nonstop
        HKG 4:45 PM
        Seattle - Hong Kong | Mon, Oct 12 | Cathay Pacific
        HKG 1:25 PM
        11h 40m
        Nonstop
        SEA 10:05 AM
        Hong Kong - Seattle | Wed, Oct 14 | Cathay Pacific
        $883 $950
        7% off
        7% off
        $950 $883
      • SEA 11:00 AM
        35h 15m
        1 stop
        HKG 1:15 PM
        Seattle - Hong Kong | Tue, Oct 20 | Hainan Airlines
        HKG 4:30 PM
        31h 30m
        1 stop
        SEA 9:00 AM
        Hong Kong - Seattle | Fri, Oct 23 | Hainan Airlines
        $785 $950
        17% off
        17% off
        $950 $785
      • SEA 11:20 AM
        39h 10m
        1 stop
        HKG 5:30 PM
        Seattle - Hong Kong | Tue, Oct 27 | Hainan Airlines
        HKG 3:50 PM
        32h 30m
        1 stop
        SEA 9:20 AM
        Hong Kong - Seattle | Fri, Oct 30 | Hong Kong Airlines
        $792
        17% off
        $950 $792
      • SEA 10:50 AM
        27h 25m
        1 stop
        HKG 5:15 AM
        Seattle - Hong Kong | Mon, Sep 14 | Air Canada
        HKG 9:45 AM
        28h 2m
        1 stop
        SEA 10:47 PM
        Hong Kong - Seattle | Thu, Sep 17 | Air Canada
        $797
        16% off
        $950 $797
      • SEA 1:15 AM
        26h 50m
        1 stop
        HKG 7:05 PM
        Seattle - Hong Kong | Fri, Oct 23 | China Airlines
        HKG 11:10 AM
        23h
        1 stop
        SEA 7:10 PM
        Hong Kong - Seattle | Sun, Oct 25 | China Airlines
        $798
        16% off
        $950 $798
      • SEA 12:10 AM
        18h
        1 stop
        HKG 10:10 AM
        Seattle - Hong Kong | Tue, Nov 10 | China Airlines
        HKG 5:35 PM
        16h 35m
        1 stop
        SEA 6:10 PM
        Hong Kong - Seattle | Thu, Nov 12 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:15 AM
        17h
        1 stop
        HKG 9:15 AM
        Seattle - Hong Kong | Tue, Oct 13 | China Airlines
        HKG 5:35 PM
        16h 40m
        1 stop
        SEA 7:15 PM
        Hong Kong - Seattle | Thu, Oct 15 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:15 AM
        17h
        1 stop
        HKG 9:15 AM
        Seattle - Hong Kong | Tue, Oct 20 | China Airlines
        HKG 8:10 PM
        14h 5m
        1 stop
        SEA 7:15 PM
        Hong Kong - Seattle | Thu, Oct 22 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:10 AM
        17h 5m
        1 stop
        HKG 9:15 AM
        Seattle - Hong Kong | Sun, Oct 25 | China Airlines
        HKG 8:05 PM
        14h 5m
        1 stop
        SEA 7:10 PM
        Hong Kong - Seattle | Tue, Oct 27 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:10 AM
        17h 5m
        1 stop
        HKG 9:15 AM
        Seattle - Hong Kong | Tue, Oct 27 | China Airlines
        HKG 5:35 PM
        16h 35m
        1 stop
        SEA 7:10 PM
        Hong Kong - Seattle | Thu, Oct 29 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:15 AM
        17h
        1 stop
        HKG 9:15 AM
        Seattle - Hong Kong | Fri, Sep 25 | China Airlines
        HKG 5:35 PM
        16h 40m
        1 stop
        SEA 7:15 PM
        Hong Kong - Seattle | Sun, Sep 27 | China Airlines
        $801
        16% off
        $950 $801
      • SEA 1:00 PM
        17h 25m
        1 stop
        HKG 2:00 PM
        Seattle - Hong Kong | Mon, Sep 14 | Normal Airline
        HKG 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Hong Kong - Seattle | Wed, Sep 16 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 11:45 AM
        14h
        Nonstop
        HKG 4:45 PM
        Seattle - Hong Kong | Tue, Sep 29 | Cathay Pacific
        $455 $490
        7% off
        7% off
        $490 $455
      • SEA 11:45 AM
        14h
        Nonstop
        HKG 4:45 PM
        Seattle - Hong Kong | Mon, Sep 28 | Cathay Pacific
        $455 $490
        7% off
        7% off
        $490 $455
      • SEA 12:50 PM
        18h 55m
        1 stop
        HKG 10:45 PM
        Seattle - Hong Kong | Wed, Sep 30 | Korean Air
        $310 $490
        37% off
        37% off
        $490 $310
      • SEA 12:55 AM
        31h 35m
        1 stop
        HKG 11:30 PM
        Seattle - Hong Kong | Mon, Oct 5 | Asiana Airlines
        $312
        36% off
        $490 $312
      • SEA 12:55 AM
        19h 45m
        1 stop
        HKG 11:40 AM
        Seattle - Hong Kong | Tue, Oct 6 | Asiana Airlines
        $312
        36% off
        $490 $312
      • SEA 12:55 AM
        31h 35m
        1 stop
        HKG 11:30 PM
        Seattle - Hong Kong | Sat, Oct 3 | Asiana Airlines
        $312
        36% off
        $490 $312
      • SEA 12:55 AM
        31h 35m
        1 stop
        HKG 11:30 PM
        Seattle - Hong Kong | Wed, Sep 30 | Asiana Airlines
        $312
        36% off
        $490 $312
      • SEA 11:10 PM
        31h 50m
        1 stop
        HKG 10:00 PM
        Seattle - Hong Kong | Wed, Sep 30 | Philippine Airlines
        $316
        36% off
        $490 $316
      • SEA 11:10 PM
        31h 50m
        1 stop
        HKG 10:00 PM
        Seattle - Hong Kong | Sun, Oct 4 | Philippine Airlines
        $316
        36% off
        $490 $316
      • SEA 11:10 PM
        31h 50m
        1 stop
        HKG 10:00 PM
        Seattle - Hong Kong | Wed, Oct 7 | Philippine Airlines
        $316
        36% off
        $490 $316
      • SEA 11:10 PM
        19h 55m
        1 stop
        HKG 10:05 AM
        Seattle - Hong Kong | Tue, Oct 6 | Philippine Airlines
        $316
        36% off
        $490 $316
      • SEA 12:50 PM
        31h 5m
        1 stop
        HKG 10:55 AM
        Seattle - Hong Kong | Sat, Oct 3 | Korean Air
        $319
        35% off
        $490 $319
      • SEA 1:00 PM
        17h 25m
        1 stop
        HKG 2:00 PM
        Seattle - Hong Kong | Mon, Sep 14 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Seattle to Hong Kong operate an average of 2 times per day over the past 7 days, with a 0.0% on-time departure rate and a 100.0% on-time arrival rate.

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

The most popular airlines flying from Seattle to Hong Kong are Cathay Pacific, Air Canada, and China Airlines, among 10 carriers on this route. Korean Air offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
Cathay Pacific logo Cathay Pacific
Air Canada logo Air Canada
China Airlines logo China Airlines
EVA Air logo EVA Air
Alaska Airlines logo Alaska Airlines
STARLUX Airlines logo STARLUX Airlines
Japan Airlines logo Japan Airlines
Delta Air Lines logo Delta Air Lines
Philippine Airlines logo Philippine Airlines
Asiana Airlines logo Asiana Airlines
Airlines are determined based on actual purchased flight tickets from Seattle to Hong Kong according to previous 12 months data from Trip.com.

Flight Info | Seattle to Hong Kong

The distance between Seattle and Hong Kong is approximately 10,423.89 km. It takes around 14 hours on average to fly from Seattle to Hong Kong. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price $310
Cheapest round-trip ticket price $785
Off-season for travel September
Peak season for travel January
Flight distance 10,423.89 km
Average flight time 14 hours
Popular airline Cathay Pacific
Frequency ～2/week
Flight statistics for the Seattle–Hong Kong route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Seattle to Hong Kong

Which month has the cheapest one-way flights from Seattle to Hong Kong?

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

Based on Trip.com’s data, the cheapest month for flights from Seattle to Hong Kong is January, with an average price of $403; while the month with the highest flight price is usually June, with an average price of up to $783.

$783
$593
$403
$213
    Cheapest
  • $455
    Sep
  • $541
    Oct
  • $439
    Nov
  • $727
    Dec
  • $403
    Jan
  • $466
    Feb
  • $536
    Mar
  • $456
    Apr
  • $578
    May
  • $783
    Jun
  • $630
    Jul
  • $538
    Aug

What is the cheapest month for round-trip flights from Seattle to Hong Kong?

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

According to historical data from Trip.com, the lowest prices for flights from Seattle to Hong Kong are found during April, with an average price of $773. Conversely, the highest prices are found during December, with an average price of up to $1,565.

$1,565
$1,169
$773
$377
    Cheapest
  • $799
    Sep
  • $991
    Oct
  • $848
    Nov
  • $1,565
    Dec
  • $784
    Jan
  • $847
    Feb
  • $913
    Mar
  • $773
    Apr
  • $964
    May
  • $1,450
    Jun
  • $1,327
    Jul
  • $896
    Aug

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

Data is based on the lowest one-way price from Seattle to Hong Kong during Columbus Day on Trip.com in the past 3 days.

Columbus Day is scheduled for Oct 12. The cheapest flights from Seattle to Hong Kong are available on Oct 11, with fares starting at $432.

$547
$490
$432
$375
    Cheapest
  • $516
    8
    Oct
  • $521
    9
  • $547
    10
  • $432
    11
  • $433
    12
  • $451
    13
  • $467
    14

Frequently Asked Questions

  • What are the cheapest flights from Seattle to Hong Kong (SEA-HKG)?

    Based on Trip.com data, Korean Air offers one-way fares as low as $310 on Cheapest nonstop routes (e.g. SEA to HKG on Wed, Sep 30), while Hainan Airlines offers Cheapest nonstop round-trips from $785 departing on Tue, Oct 20 and returning on Fri, Oct 23.
  • At the moment, you can catch a nonstop flight from Seattle to Hong Kong with the following airlines, including: Cathay Pacific China Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 14 hours to fly from Seattle (SEA) to Hong Kong (HKG).
  • 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.
  • Based on Trip.com data in the past 4 weeks, there is 5 flight per week flying from Seattle to Hong Kong. You can check the weekly schedule for popular airlines on this route below: Cathay Pacific: S/M/T/W/-/F/- -- CX853 (12:54)
  • To find best deals on flights from Seattle to Hong Kong, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Sep 30, with one-way flights priced at just $310.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cathay Pacific.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Hong Kong travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Hong Kong is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Seattle to Hong Kong on September 12, 2026 with United Airlines, with prices starting at $294.
  • You can arrive at any of the following airports in Hong Kong: Hong Kong International Airport (HKG). Flights from Seattle-Tacoma International Airport to Hong Kong International Airport (SEA-HKG) are by far the most popular option for this route.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Seattle to Hong Kong is $597. 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 Seattle to Hong Kong is $1,124. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Seattle and Hong Kong, 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.

Explore More Popular Flights

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

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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.