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Cheap flights from Hong Kong to Seattle from HK$3,261

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 29-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
18 Aug — 25 Aug1
1 adult
1 adult, Economy, 0 bags
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 Thursday or Wednesday and return on a Monday

Cheap flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.

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 19 July 2026.

Mon 19-1000:45
HKG
-
SEA
2 stops36h 57m
Air Canada
Mon 30-1115:15
SEA
-
HKG
2 stops39h 55m
Air Canada
Deal found 19-7HK$3,920
Wed 30-900:45
HKG
-
SEA
2 stops32h 47m
Air Canada
Wed 28-1015:15
SEA
-
HKG
2 stops40h 55m
Air Canada
Deal found 15-7HK$3,928
Sun 11-1009:45
HKG
-
SEA
1 stop27h 57m
Air Canada
Sat 17-1010:30
SEA
-
HKG
1 stop27h 45m
Air Canada
Deal found 17-7HK$3,951
Mon 26-1010:45
HKG
-
SEA
1 stop26h 12m
Air Canada
Mon 30-1115:15
SEA
-
HKG
2 stops39h 55m
Air Canada
Deal found 18-7HK$3,998
Wed 28-1010:45
HKG
-
SEA
1 stop26h 12m
Air Canada
Mon 30-1115:15
SEA
-
HKG
2 stops39h 55m
Air Canada
Deal found 18-7HK$4,006
Tue 27-1010:45
HKG
-
SEA
1 stop18h 52m
Multiple Airlines
Tue 1-1208:15
SEA
-
HKG
2 stops22h 55m
Multiple Airlines
Deal found 18-7HK$4,014
Thu 1-1009:45
HKG
-
SEA
1 stop23h 47m
Air Canada
Sun 25-1019:05
SEA
-
HKG
2 stops37h 05m
Air Canada
Deal found 17-7HK$4,030
Wed 28-1014:50
HKG
-
SEA
2 stops22h 07m
Multiple Airlines
Mon 30-1108:40
SEA
-
HKG
2 stops22h 30m
Multiple Airlines
Deal found 18-7HK$4,061
Thu 17-909:45
HKG
-
SEA
1 stop15h 20m
Multiple Airlines
Thu 24-905:50
SEA
-
HKG
2 stops25h 55m
Multiple Airlines
Deal found 15-7HK$4,084
Wed 28-1014:50
HKG
-
SEA
2 stops18h 32m
Multiple Airlines
Wed 27-108:15
SEA
-
HKG
2 stops22h 35m
Multiple Airlines
Deal found 15-7HK$4,108

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 19 July 2026.

Round-trip from

HK$3,920

One-way from

HK$3,261

Popular in

August

Cheapest in

January

Average price

HK$7,048
Air Canada
  • Air Canada
  • 19-10-30-11
  • 4 total stops
  • 76h 52m total
  • Hong Kong to Seattle
Search Deals
29-8
  • 29-8
  • 1 total stop
  • 19h 55m total
  • Hong Kong to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$7,063 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,342 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 70,647 searches. Data last updated 19 July 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

Departure

Return

Price

Cheapest return flight
Fastest return journey

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 17-10

12:40-18:44

2 stops21h 04m

Seattle/Tacoma Intl

Fri 19-3

09:02-19:20

1 stop19h 18m

HK$4,186

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 7-9

12:40-23:26

2 stops25h 46m

Seattle/Tacoma Intl

Mon 21-9

18:52-05:40

1 stop19h 48m

HK$4,594

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 3-9

12:40-21:41

1 stop24h 01m

Seattle/Tacoma Intl

Mon 7-9

07:11-18:55

1 stop20h 44m

HK$4,649

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 3-10

11:45-18:44

1 stop21h 59m

Seattle/Tacoma Intl

Wed 7-10

12:16-18:30

1 stop39h 14m

HK$4,978

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 30-9

12:40-15:50

1 stop18h 10m

Seattle/Tacoma Intl

Wed 28-10

17:28-19:20

1 stop34h 52m

HK$4,978

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 15-8

22:30-09:59

1 stop26h 29m

Seattle/Tacoma Intl

Sat 22-8

06:30-05:00

2 stops31h 30m

HK$7,173

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 31-7

11:45-01:29

1 stop28h 44m

Seattle/Tacoma Intl

Sun 9-8

06:00-05:40

1 stop32h 40m

HK$7,573
Cheapest one-way

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 30-9

20:10-16:10

1 stop35h 00m

HK$3,536

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 15-9

22:30-21:15

3 stops37h 45m

HK$4,163

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 14-9

22:30-21:31

3 stops38h 01m

HK$4,163

Flights are sorted by cheapest return flights first.

Deals found on 18-7

Showing 1-10 of 18 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 return 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 HK$5,025). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$8,059). 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 19 July 2026.

When flying from Hong Kong to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How often are flights from Hong Kong to Seattle delayed?

About 13% of weekly flights between Hong Kong and Seattle have experienced delays in the past year, with the average delay time being 84 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 past year, Cathay Pacific have had the lowest number of delays on this route, with just 13% of flights being delayed.

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

The price you pay for your flight from Hong Kong to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 19 July 2026.
Get a feel of what it's like to fly with 星宇航空,EVA Air, andChina Airlines from Hong Kong to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
星宇航空
8.8
Very Good
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
EVA Air
8.5
Very Good
1,501 reviews
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
China Airlines
8.3
Very Good
834 reviews
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
Cathay Pacific
7.6
Good
1,416 reviews
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
United Airlines
7.4
Good
10,008 reviews
星宇航空
8.8
Very Good
Check prices

Entertainment

8.7

Boarding

8.9

Comfort

8.9

Crew

9.1

Food

8.6

Overall

8.8

Reviews

1 / 14
8.0
Excellent

Andrew,Jun 2026

SEA - TPE

Great value for a coach ticket. Fantastic leg room for a 6’3”” man.

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?

    For a flight from Hong Kong to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city.

  • How popular is this Hong Kong to Seattle flight route?

    The Hong Kong to Seattle/Tacoma Intl flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Hong Kong to Seattle can take about 21h 04m. United Airlines provides one of the quickest options available for as low as HK$4,186. Airlines will cover a distance of 10435 km.

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

    According to our current data, United Airlines (HK$3,196), Air Canada (HK$3,579), and China Airlines (HK$4,805) offers the cheapest pricing from Hong Kong to Seattle. United Airlines is priced at 48% lower than the current average price of a flight leaving 3 months from now.

  • 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 holiday 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 HK$5,025). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$8,059). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Shoreline
Edmonds
SeaTac

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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 Seattle flights
Hong Kong to Portland flights
Hong Kong to Spokane flights

Top 6 airlines flying from Hong Kong to Seattle

Discover the top 6 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 70,647 searches. Data last updated 19 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$3,196AverageHK$5,952FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestHK$3,579AverageHK$5,756FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
China AirlinesCheapestHK$4,805AverageHK$5,207FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
星宇航空CheapestHK$4,983AverageHK$5,727FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
Cathay PacificCheapestHK$5,101AverageHK$6,709FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapestHK$5,182AverageHK$6,265FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Seattle?

Deals for Hong Kong to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Hong Kong to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Hong Kong to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Hong Kong to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Seattle become cheaper?

Of course! You can now track prices for flights from Hong Kong to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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