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$381+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Hong Kong Intl to Seattle/Tacoma Intl are usually found in May or April, 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 August 18, 2025.

Round-trip from

$627
(Cheapflightsfares)

One-way from

$381
(Cheapflightsfares)

Popular in

July

Cheapest in

May

Average price

$1,111
From Hong Kong Intl to Seattle/Tacoma Intl
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One-way flight from Hong Kong Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Sun 9/211:40 pmHKG - SEA
1 stop20h 35mPhilippine Airlines
Fri 10/2411:35 pmSEA - HKG
1 stop21h 55mPhilippine Airlines
Deal found 8/18$627
This Booking.com deal was found by Cheapflights users on 8/16. 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.
Sat 9/138:10 pmHKG - SEA
1 stop35h 00mSTARLUX Airlines
Fri 9/191:15 amSEA - HKG
1 stop17h 40mSTARLUX Airlines
Deal found 8/16$628
This Booking.com deal was found by Cheapflights users on 8/16. 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.
Wed 9/1711:20 amHKG - SEA
1 stop19h 50mSTARLUX Airlines
Mon 9/221:15 amSEA - HKG
1 stop17h 40mSTARLUX Airlines
Deal found 8/16$629
This oojo deal was found by Cheapflights users on 8/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/131:00 pmHKG - SEA
1 stop14h 30mAsiana Airlines
Sat 9/202:15 pmSEA - HKG
1 stop30h 25mAsiana Airlines
Deal found 8/16$632
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:10 pmHKG - SEA
1 stop35h 00mSTARLUX Airlines
Thu 9/181:15 amSEA - HKG
1 stop26h 40mSTARLUX Airlines
Deal found 8/18$636
This Mytrip deal was found by Cheapflights users on 8/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/158:10 pmHKG - SEA
1 stop35h 00mSTARLUX Airlines
Sat 9/271:15 amSEA - HKG
1 stop26h 40mSTARLUX Airlines
Deal found 8/16$637
This oojo deal was found by Cheapflights users on 8/18. 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 9/2110:15 amHKG - SEA
1 stop24h 05mChina Airlines
Thu 10/231:10 amSEA - HKG
1 stop17h 55mChina Airlines
Deal found 8/18$640
This Jettzy deal was found by Cheapflights users on 8/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:45 pmHKG - SEA
1 stop35h 20mSTARLUX Airlines
Sat 12/1311:45 pmSEA - HKG
1 stop18h 25mSTARLUX Airlines
Deal found 8/17$643
This Justfly.com deal was found by Cheapflights users on 8/18. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2312:30 amHKG - SEA
1 stop29h 25mAsiana Airlines
Tue 1/612:10 amSEA - HKG
1 stop19h 40mAsiana Airlines
Deal found 8/18$645
This TeaFlight deal was found by Cheapflights users on 8/18. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:20 pmHKG - SEA
1 stop15h 55mPhilippine Airlines
Fri 10/1011:35 pmSEA - HKG
1 stop26h 45mPhilippine Airlines
Deal found 8/18$647
This Jettzy deal was found by Cheapflights users on 8/17. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:45 pmHKG - SEA
1 stop35h 20mSTARLUX Airlines
Sat 1/1711:45 pmSEA - HKG
1 stop18h 25mSTARLUX Airlines
Deal found 8/17$648
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:10 pmHKG - SEA
1 stop35h 00mSTARLUX Airlines
Fri 10/241:15 amSEA - HKG
1 stop26h 15mSTARLUX Airlines
Deal found 8/16$649

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 August 18, 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

Sat 9/13

8:10 pm-4:10 pm

1 stop35h 00m

Seattle/Tacoma Intl

Fri 9/19

1:15 am-9:55 am

1 stop17h 40m

$628

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 9/17

11:20 am-4:10 pm

1 stop19h 50m

Seattle/Tacoma Intl

Mon 9/22

1:15 am-9:55 am

1 stop17h 40m

$629

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 9/20

8:10 pm-4:10 pm

1 stop35h 00m

Seattle/Tacoma Intl

Sat 10/4

1:15 am-6:55 pm

1 stop26h 40m

$629

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 9/13

1:00 pm-12:30 pm

1 stop14h 30m

Seattle/Tacoma Intl

Sat 9/20

2:15 pm-11:40 am

1 stop30h 25m

$632

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 9/15

8:10 pm-4:10 pm

1 stop35h 00m

Seattle/Tacoma Intl

Sat 9/27

1:15 am-6:55 pm

1 stop26h 40m

$637

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 9/21

5:30 pm-7:20 pm

1 stop16h 50m

Seattle/Tacoma Intl

Sun 10/19

1:10 am-1:00 pm

1 stop20h 50m

$640

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 11/30

7:45 pm-3:05 pm

1 stop35h 20m

Seattle/Tacoma Intl

Sat 12/13

11:45 pm-10:10 am

1 stop18h 25m

$643

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 11/24

12:30 am-1:55 pm

1 stop29h 25m

Seattle/Tacoma Intl

Tue 1/6

12:10 am-11:50 am

1 stop19h 40m

$645

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 10/3

6:20 pm-7:15 pm

1 stop15h 55m

Seattle/Tacoma Intl

Fri 10/10

11:35 pm-5:20 pm

1 stop26h 45m

$647

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 12/26

7:45 pm-3:05 pm

1 stop35h 20m

Seattle/Tacoma Intl

Sat 1/17

11:45 pm-10:10 am

1 stop18h 25m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 21 results
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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 8, 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 $389). 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 August 18, 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 August 18, 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
1,232 reviews

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
1,232 reviews
EVA Air
8.4
Very good
1,232 reviews

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
764 reviews
EVA Air
8.4
Very good
1,232 reviews

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
474 reviews
EVA Air
8.4
Very good
1,232 reviews

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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
8,925 reviews
EVA Air
8.4
Very good
1,232 reviews

Entertainment

8.0

Comfort

8.3

Food

8.1

Boarding

8.4

Crew

8.6

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.

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

    According to our current data, Asiana Airlines ($665), China Airlines ($683), and EVA Air ($779) 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.

  • 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 $389). 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
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
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Shoreline
Federal Way
Shelton

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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 Spokane flights
Hong Kong to Portland flights
Hong Kong to Bellingham 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$665Average$727FlexibilityNo cancel feeOn-time76%
China AirlinesCheapest$683Average$831FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$779Average$826FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$818Average$1,028FlexibilityNo cancel feeOn-time69%

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