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$397+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheapflights Tip: The best prices from Hong Kong to Seattle/Tacoma Intl are usually found in January or November, booked 90 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 1, 2026.

This Ticket deal was found by Cheapflights users on 7/29. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 am
HKG
-
SEA
1 stop28h 02m
Air Canada
Sat 9/195:50 am
SEA
-
HKG
1 stop32h 25m
Air Canada
Deal found 7/29$453
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:45 pm
HKG
-
SEA
2 stops41h 57m
Multiple Airlines
Wed 1/203:15 pm
SEA
-
HKG
1 stop21h 55m
Multiple Airlines
Deal found 7/27$505
This Travelis deal was found by Cheapflights users on 7/29. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:45 am
HKG
-
SEA
1 stop23h 47m
Multiple Airlines
Sat 9/193:00 pm
SEA
-
HKG
2 stops41h 30m
Multiple Airlines
Deal found 7/29$515
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1312:45 am
HKG
-
SEA
2 stops28h 37m
Multiple Airlines
Fri 1/228:15 am
SEA
-
HKG
2 stops22h 25m
Multiple Airlines
Deal found 7/27$516
This Jettzy deal was found by Cheapflights users on 7/30. 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 9/119:45 am
HKG
-
SEA
1 stop23h 47m
Air Canada
Fri 9/185:50 am
SEA
-
HKG
2 stops25h 55m
Air Canada
Deal found 7/30$518
This Mytrip deal was found by Cheapflights users on 7/30. 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 9/139:45 am
HKG
-
SEA
1 stop28h 02m
Multiple Airlines
Sun 9/205:50 am
SEA
-
HKG
2 stops26h 40m
Multiple Airlines
Deal found 7/30$522
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Sat 9/129:45 am
HKG
-
SEA
1 stop28h 02m
Multiple Airlines
Wed 9/165:50 am
SEA
-
HKG
2 stops26h 40m
Multiple Airlines
Deal found 7/28$523

Find 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$453
(Ticket)

One-way from

$397
(Mytrip)

Popular in

August

Cheapest in

January

Average price

$965

Good one-way deal

$626 or less
Provider with most accurate pricing for Hong Kong Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hong Kong Intl-Seattle/Tacoma Intl flights.
Search Deals
From Hong Kong to Seattle/Tacoma Intl
Search Deals
One-way flight from Hong Kong to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($89 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a one-way flight from Hong Kong to Seattle/Tacoma Intl.
Search Deals

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 1, 2026.
Use the filters below to find and compare flights from Hong Kong to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 10/3

9:45 am-10:42 pm

1 stop27h 57m

Seattle/Tacoma Intl

Wed 1/20

10:10 am-5:10 am

1 stop27h 00m

$528

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 9/13

12:40 pm-9:15 pm

2 stops23h 35m

Seattle/Tacoma Intl

Sat 10/31

9:00 am-5:45 am

1 stop29h 45m

$601

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 9/14

12:40 pm-7:14 pm

1 stop21h 34m

Seattle/Tacoma Intl

Sat 10/31

1:16 pm-5:45 am

1 stop25h 29m

$601
Quickest round-trip

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 9/14

12:40 pm-9:15 pm

2 stops23h 35m

Seattle/Tacoma Intl

Tue 9/29

9:05 am-6:55 pm

1 stop18h 50m

$607

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 9/19

11:45 am-6:29 pm

1 stop21h 44m

Seattle/Tacoma Intl

Fri 3/12

6:29 am-7:15 pm

1 stop20h 46m

$639

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 9/12

12:40 pm-4:04 pm

1 stop18h 24m

Seattle/Tacoma Intl

Wed 9/16

5:20 pm-6:55 pm

1 stop34h 35m

$639

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 9/3

9:45 pm-12:20 pm

2 stops29h 35m

Seattle/Tacoma Intl

Mon 9/7

10:55 am-5:00 am

1 stop27h 05m

$643

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 10/16

10:30 pm-10:02 am

1 stop26h 32m

Seattle/Tacoma Intl

Mon 10/19

6:30 am-6:55 pm

2 stops21h 25m

$715

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 9/2

12:45 am-2:50 pm

2 stops29h 05m

Seattle/Tacoma Intl

Mon 9/7

5:50 pm-10:55 am

2 stops26h 05m

$829
Cheapest one-way
Quickest one-way

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 1/24

5:35 pm-6:10 pm

1 stop16h 35m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 19 resultsSorted by cheapest first
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

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 $641). Flying from Hong Kong to Seattle in August is currently the most expensive (average of $965). 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 August 1, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hong Kong to Seattle as you normally would.

How often are flights from Hong Kong to Seattle delayed?

About 18% of weekly flights between Hong Kong and Seattle have experienced delays in the past year, with the average delay time being 103 minutes.

What is the most punctual flight time for Hong Kong to Seattle flights?

Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Hong Kong to Seattle flights?

Over the last year, Cathay Pacific have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

To ensure you get the cheapest price possible for a flight from Hong Kong to Seattle, you should look to book at least 69 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.

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 1, 2026.
Peruse reviews from past customers who have flown with EVA Air,China Airlines, andDelta 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.
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very good
1,511 reviews
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
China Airlines
8.3
Very good
838 reviews
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Delta
7.8
Good
8,493 reviews
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Cathay Pacific
7.6
Good
1,436 reviews
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Philippine Airlines
7.3
Good
1,012 reviews
EVA Air
8.5
Very good
1,511 reviews

Comfort

8.3

Food

8.1

Entertainment

8.0

Boarding

8.5

Overall

8.5

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

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?

    Air Canada and United Airlines can get you from Hong Kong to Seattle in just under 23h 35m. Your travel time can differ by up to 4h 22m. 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, Philippine Airlines ($531), Delta ($552), and United Airlines ($577) offers the cheapest pricing from Hong Kong to Seattle. You may be able to fly from Hong Kong to Seattle for 32% 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 ($338), United Airlines ($365), and Air Canada ($377).

  • What are the cheapest flights from Hong Kong to Seattle?

    Looking at all options, your cheapest flight can be booked for $624. While the most popular route (Hong Kong Intl - Seattle/Tacoma Intl) can be booked for $522 on average, our data indicates $859 when flying from Hong Kong to Seattle.

  • 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 $641). Flying from Hong Kong to Seattle in August is currently the most expensive (average of $965). 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Hong Kong to Seattle

Discover the top 8 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Philippine AirlinesCheapest$531Average$598FlexibilityNo cancel feeOn-time60%
DeltaCheapest$552Average$729FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$577Average$818FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$605Average$688FlexibilityNo cancel feeOn-time70%
Asiana AirlinesCheapest$632Average$710FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$641Average$663FlexibilityNo cancel feeOn-time67%
EVA AirCheapest$642Average$838FlexibilityNo cancel feeOn-time74%
Cathay PacificCheapest$671Average$1,103FlexibilityNo cancel feeOn-time72%

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