Seattle

$322+ Cheap flights from Hong Kong to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
Oct 11 — Oct 181
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Find cheap flights from Hong Kong to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Hong Kong to Seattle/Tacoma Intl are usually found in May or September, booked 4 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap flight deals from Hong Kong to Seattle

Keep the following information in mind while searching for Hong Kong to Seattle flight deals. Data was last updated September 11, 2025.

Round-trip from

$531
(Trip.com)

One-way from

$322
(SmartFares)

Popular in

July

Cheapest in

May

Average price

$810
From Hong Kong to Seattle/Tacoma Intl
One-way flight from Hong Kong to Seattle/Tacoma Intl
Highest demand for flights based on searches. 14% potential increase in price ($159 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Hong Kong to Seattle

Cheapest flights from Hong Kong to Seattle
Explore the most affordable flight options available from Hong Kong to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:20 amHKG - SEA
1 stop22h 55mPhilippine Airlines
Fri 9/2611:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
Deal found 9/11$526
This oojo deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Fri 10/311:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 9/10$531
This Cheapflightsfares deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Fri 9/2611:35 pmSEA - HKG
1 stop26h 45mPhilippine Airlines
Deal found 9/9$532
This oojo deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/261:40 pmHKG - SEA
1 stop20h 55mPhilippine Airlines
Sun 11/29:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Deal found 9/11$533
This oojo deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:20 amHKG - SEA
1 stop22h 55mPhilippine Airlines
Wed 11/59:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Deal found 9/9$534
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Sun 9/2811:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 9/10$542
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:40 pmHKG - SEA
1 stop20h 35mPhilippine Airlines
Fri 10/3110:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 9/9$544
This Jettzy deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:40 pmHKG - SEA
1 stop20h 35mPhilippine Airlines
Fri 10/1011:35 pmSEA - HKG
1 stop31h 15mPhilippine Airlines
Deal found 9/10$550
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Sun 9/2811:35 pmSEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 9/9$563
This iWofly deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:25 pmHKG - SEA
1 stop14h 51mAir Canada
Sat 1/1710:05 amSEA - HKG
1 stop16h 35mAir Canada
Deal found 9/10$633

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hong Kong to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Hong Kong to Seattle that are best for you.

Fly from

Hong Kong

Fly to

Seattle

Route

Depart

Return

Price

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 10/10

1:40 pm-7:15 pm

1 stop20h 35m

Seattle/Tacoma Intl

Fri 10/31

10:30 pm-10:15 am

1 stop20h 45m

$532

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 1/12

12:30 am-1:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Fri 3/6

12:10 am-10:30 pm

1 stop30h 20m

$668

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 3/8

12:30 am-2:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Mon 3/9

12:10 am-10:30 pm

1 stop31h 20m

$668

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 3/9

10:20 am-7:10 pm

1 stop23h 50m

Seattle/Tacoma Intl

Mon 3/9

1:10 am-8:10 pm

1 stop28h 00m

$687

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 3/9

10:45 pm-1:58 pm

1 stop30h 13m

Seattle/Tacoma Intl

Tue 3/10

5:00 pm-5:45 am

1 stop21h 45m

$691

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 10/22

11:15 am-2:24 pm

1 stop18h 09m

Seattle/Tacoma Intl

Wed 10/22

5:26 pm-6:55 pm

2 stops34h 29m

$697

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

11:25 am-9:07 pm

2 stops25h 42m

Seattle/Tacoma Intl

Sat 1/17

12:35 pm-6:45 am

1 stop26h 10m

$697

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 10/26

1:40 pm-7:35 pm

1 stop20h 55m

$351

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 9/19

11:20 am-7:15 pm

1 stop22h 55m

$351

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 2/12

6:55 pm-6:35 pm

1 stop15h 40m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 18 results
1
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Best time to book a flight from Hong Kong to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Hong Kong with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hong Kong to Seattle

How far ahead should I book a flight from Hong Kong to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Hong Kong to Seattle. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Hong Kong to Seattle, you should look to book at least 4 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Hong Kong to Seattle?

Currently, January is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of $238). Flying from Hong Kong to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HK to SEA?

Find hourly flight availability from Hong Kong to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Hong Kong to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with EVA Air, China Airlines, and Asiana Airlines from Hong Kong to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Entertainment

8.0

Food

8.1

Boarding

8.4

Comfort

8.3

Overall

8.4

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Related info for your journey

Find useful and relevant information for your journey from Hong Kong to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Seattle from Hong Kong?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Seattle from Hong Kong.

  • How long is the flight from Hong Kong to Seattle?

    Philippine Airlines and Asiana Airlines can get you from Hong Kong to Seattle in just under 20h 35m. Your travel time can differ by up to 8h 50m. The distance between Hong Kong and Seattle is about 6484 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Hong Kong to Seattle round-trip?

    According to our current data, Asiana Airlines ($665), China Airlines ($675), and EVA Air ($730) offers the cheapest pricing from Hong Kong to Seattle. You may be able to fly from Hong Kong to Seattle for 27% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Hong Kong to Seattle one-way?

    The cheapest airlines for a one-way flight from Hong Kong to Seattle are Philippine Airlines ($351), Air Canada ($404), and China Airlines ($426).

  • Can I find deals for flights from Hong Kong to Seattle that include hotel bookings?

    Yes. In addition to deals on Hong Kong to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hong Kong to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hong Kong to Seattle.

  • Can I find deals for business class flights from Hong Kong to Seattle?

    Yes. Cheapflights offers flight deals from Hong Kong to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hong Kong to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of $238). Flying from Hong Kong to Seattle in June is currently the most expensive (average of $388). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Lacey
Renton
Olympia
Kent
Federal Way
Cle Elum
Puyallup
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Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Hong Kong to Seattle

Discover the top 4 airlines that operate flights from Hong Kong to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$665Average$726FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$675Average$831FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$730Average$826FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$818Average$933FlexibilityNo cancel feeOn-time69%

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