HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$329+ Cheap flights from Hong Kong (HKG) 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Hong Kong to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from Hong Kong to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$525
(Kiwi.com)

One-way from

$329
(SmartFares)

Popular in

July

Cheapest in

May

Average price

$818
From Hong Kong Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Hong Kong Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Thu 10/307:10 amHKG - SEA
1 stop22h 45mMultiple Airlines
Wed 11/51:45 pmSEA - HKG
1 stop19h 10mMultiple Airlines
Deal found 9/15$525
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/227:15 amHKG - SEA
2 stops31h 44mMultiple Airlines
Sun 10/262:45 pmSEA - HKG
1 stop19h 10mMultiple Airlines
Deal found 9/16$528
This oojo deal was found by Cheapflights users on 9/15. 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.
Tue 10/711:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Sun 10/1211:35 pmSEA - HKG
1 stop21h 50mPhilippine Airlines
Deal found 9/15$547
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/161:35 pmHKG - SEA
1 stop16h 00mMultiple Airlines
Sun 10/268:34 amSEA - HKG
2 stops29h 56mMultiple Airlines
Deal found 9/16$550
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/2211:20 amHKG - SEA
1 stop22h 55mPhilippine Airlines
Sun 10/2610:30 pmSEA - HKG
1 stop23h 00mPhilippine Airlines
Deal found 9/16$555
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Sat 10/181:35 pmHKG - SEA
1 stop16h 00mMultiple Airlines
Sat 10/252:55 pmSEA - HKG
1 stop19h 00mMultiple Airlines
Deal found 9/17$576
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:15 amHKG - SEA
1 stop23h 25mPhilippine Airlines
Sun 10/2610:30 pmSEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 9/16$585
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/86:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Sun 11/29:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 9/16$589
This Philippine Airlines deal was found by Cheapflights users on 9/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:00 pmHKG - SEA
1 stop35h 15mPhilippine Airlines
Sun 11/29:30 pmSEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 9/16$590

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 17, 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

Tue 10/7

11:00 pm-7:15 pm

1 stop35h 15m

Seattle/Tacoma Intl

Wed 11/5

9:30 pm-9:45 pm

1 stop32h 15m

$590

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

8:25 pm-7:16 pm

1 stop14h 51m

Seattle/Tacoma Intl

Sat 1/17

10:05 am-6:40 pm

1 stop16h 35m

$638

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

$669

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 10/11

5:30 pm-7:20 pm

1 stop16h 50m

Seattle/Tacoma Intl

Sat 11/1

1:10 am-10:10 am

1 stop18h 00m

$688

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

$692

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 10/30

10:35 am-12:18 pm

1 stop16h 43m

Seattle/Tacoma Intl

Thu 11/6

12:41 pm-6:45 am

2 stops26h 04m

$698

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 10/9

11:15 am-4:24 pm

1 stop20h 09m

Seattle/Tacoma Intl

Sat 10/18

6:35 am-5:00 am

2 stops31h 25m

$698

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 10/11

9:15 am-4:24 pm

2 stops22h 09m

Seattle/Tacoma Intl

Sun 11/2

3:37 pm-7:00 am

2 stops23h 23m

$730

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 2/28

10:45 pm-6:40 pm

1 stop35h 55m

$331

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 10/19

11:20 am-7:15 pm

1 stop22h 55m

$340

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 20 results
1
2

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 September 12, 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 $387). 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 HKG 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 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 26% on flights from Hong Kong to Seattle by exploring options for tickets in the afternoon.

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 17, 2025.
Read through reviews of airlines operating flights from Hong Kong to Seattle, such as EVA Air, China Airlines, and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,237 reviews
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
China Airlines
8.3
Very good
768 reviews
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Asiana Airlines
8.2
Very good
481 reviews
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,926 reviews
EVA Air
8.4
Very good
1,237 reviews

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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.

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

    Philippine Airlines, Air Canada, and Asiana Airlines can get you from Hong Kong to Seattle in just under 14h 51m. Your travel time can differ by up to 20h 24m. 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 26% less than the average price by searching for these airlines.

  • 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 $387). 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
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Hong Kong to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Portland flights
Hong Kong to Bellingham flights
Hong Kong to Spokane flights

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 17, 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%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.