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Cheap flights from Hong Kong to Seattle from HK$3,289

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 11-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
23 May — 30 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Seattle/Tacoma Intl are usually found in January or November, booked 16 days in advance, depart on a Thursday or Monday 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 23 April 2026.

Mon 4-500:45
HKG
-
SEA
1 stop24h 55m
Korean Air
Wed 9-912:50
SEA
-
HKG
1 stop18h 55m
Korean Air
Deal found 21-4HK$5,960
Thu 3-917:55
HKG
-
SEA
1 stop34h 42m
Delta
Mon 7-918:55
SEA
-
HKG
1 stop19h 10m
Delta
Deal found 20-4HK$5,991
Sun 27-909:25
HKG
-
SEA
1 stop18h 33m
Delta
Sun 11-1012:00
SEA
-
HKG
1 stop26h 05m
Delta
Deal found 20-4HK$6,054
Wed 9-900:45
HKG
-
SEA
1 stop24h 55m
Korean Air
Sat 12-912:50
SEA
-
HKG
1 stop36h 30m
Korean Air
Deal found 19-4HK$6,077
Mon 15-611:45
HKG
-
SEA
1 stop22h 02m
United Airlines
Tue 8-1206:57
SEA
-
HKG
1 stop20h 23m
United Airlines
Deal found 18-4HK$6,117
Fri 26-609:45
HKG
-
SEA
1 stop15h 22m
Multiple Airlines
Sat 11-710:45
SEA
-
HKG
2 stops21h 45m
Multiple Airlines
Deal found 20-4HK$6,124
Thu 25-609:45
HKG
-
SEA
1 stop15h 22m
Multiple Airlines
Sat 11-710:45
SEA
-
HKG
2 stops21h 45m
Multiple Airlines
Deal found 19-4HK$6,305
Mon 15-613:40
HKG
-
SEA
1 stop21h 25m
Philippine Airlines
Mon 7-1223:55
SEA
-
HKG
1 stop18h 15m
Philippine Airlines
Deal found 18-4HK$6,375
Fri 26-608:10
HKG
-
SEA
2 stops29h 38m
Multiple Airlines
Sun 12-705:45
SEA
-
HKG
2 stops37h 25m
Multiple Airlines
Deal found 19-4HK$6,391
Mon 13-713:40
HKG
-
SEA
1 stop21h 25m
Philippine Airlines
Sun 13-923:10
SEA
-
HKG
1 stop26h 50m
Philippine Airlines
Deal found 19-4HK$6,422
Mon 31-817:55
HKG
-
SEA
1 stop34h 42m
Delta
Fri 18-909:30
SEA
-
HKG
1 stop28h 35m
Delta
Deal found 21-4HK$6,493
Mon 4-500:45
HKG
-
SEA
1 stop24h 55m
Korean Air
Thu 10-907:20
SEA
-
HKG
2 stops24h 25m
Korean Air
Deal found 21-4HK$6,602

Find 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 23 April 2026.

Round-trip from

HK$5,960

One-way from

HK$3,289

Popular in

August

Cheapest in

January

Average price

HK$6,516

Good round-trip deal

HK$8,711 or less
Korean Air
  • Korean Air
  • 4-5-9-9
  • 2 total stops
  • 43h 50m total
  • Hong Kong to Seattle
Search Deals
Hainan Airlines
  • Hainan Airlines
  • 11-5
  • 1 total stop
  • 27h 40m total
  • Hong Kong to Seattle
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (HK$11,185 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$1,526 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Hong Kong Intl to Seattle/Tacoma Intl.
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 23 April 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

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 3-9

17:55-13:37

1 stop34h 42m

Seattle/Tacoma Intl

Mon 7-9

12:00-05:05

1 stop26h 05m

HK$5,991

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 2-9

00:45-13:37

1 stop27h 52m

Seattle/Tacoma Intl

Tue 8-9

09:30-05:05

1 stop28h 35m

HK$5,991
Fastest return journey

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 21-6

20:10-19:15

1 stop14h 05m

Seattle/Tacoma Intl

Tue 30-6

01:55-16:35

1 stop23h 40m

HK$7,683

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 9-10

12:40-21:15

2 stops23h 35m

Seattle/Tacoma Intl

Mon 12-10

12:15-18:30

1 stop39h 15m

HK$7,738
Cheapest one-way

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2-6

00:45-13:25

1 stop27h 40m

HK$3,579

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 26-5

00:45-13:11

1 stop27h 26m

HK$3,579

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 14-5

17:55-13:11

1 stop34h 16m

HK$3,579

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 3-5

00:45-13:11

1 stop27h 26m

HK$3,579
Fastest single journey

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2-6

12:20-13:25

1 stop16h 05m

HK$3,579

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 3-10

00:45-10:40

1 stop24h 55m

HK$3,603

Flights are sorted by cheapest return flights first.

Deals found on 17-4

Showing 1-10 of 14 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

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

Use this chart to determine the optimal time to book a return flight from Hong Kong to Seattle. Price data was last updated on 17 April 2026.

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 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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$5,020). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$8,349). 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 23 April 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 much does it cost for a return flight from Hong Kong to Seattle?

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 23 April 2026.
Check out reviews from past customers who have flown with 星宇航空,EVA Air, andChina 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.
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
星宇航空
8.9
Very Good
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
EVA Air
8.5
Very Good
1,422 reviews
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
China Airlines
8.3
Very Good
818 reviews
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
Cathay Pacific
7.6
Good
1,289 reviews
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.
United Airlines
7.4
Good
9,637 reviews
星宇航空
8.9
Very Good
Check prices

Food

8.6

Entertainment

8.8

Boarding

9.0

Overall

8.9

Crew

9.2

Comfort

8.9

Reviews

1 / 11
8.0
Excellent

Anonymous,Apr 2026

PHX - TPE

After about 10 hours the seat turns into a 2 x4! Maybe pitch the front up 1-2 degrees so the posterior occupies the whole surface instead of sliding out forward--you would think it would be more comfortable.

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 airports do I use to fly from Hong Kong to Seattle?

    You will need to book a flight from Hong Kong Intl to Seattle/Tacoma Intl if you want to fly from Hong Kong to Seattle. At least 6 different airlines have flights from Hong Kong Intl (HKG) to Seattle/Tacoma Intl (SEA) on a regular basis. There is 1 flight to Seattle from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SEA to be around 11h 40m.

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

    The Hong Kong Intl to Seattle/Tacoma Intl flight path was viewed by 6 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 34h 42m. Delta provides one of the quickest options available for as low as HK$5,991. 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, China Airlines (HK$4,800), Air Canada (HK$4,806), and 星宇航空 (HK$4,978) offers the cheapest pricing from Hong Kong to Seattle. China Airlines is priced at 22% lower than the current average price of a flight leaving 3 months from now.

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

    While on average a flight from Hong Kong to Seattle is generally HK$9,040, our data shows the cheapest flight currently is HK$7,788. When looking at the most popular route, (Hong Kong Intl - Seattle/Tacoma Intl), you can expect to pay HK$5,991 for that flight.

  • 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$5,020). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$8,349). 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?

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Shoreline
Renton
SeaTac

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Fly from Hong Kong to Seattle on these airlines

Choose from the following airlines for your flight from Hong Kong to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 23 April 2026.
EVA Air flights from Hong Kong Intl to Seattle/Tacoma Intl
United Airlines flights from Hong Kong Intl to Seattle/Tacoma Intl
Air Canada flights from Hong Kong Intl to Seattle/Tacoma Intl

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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$4,800AverageHK$5,203FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestHK$4,806AverageHK$5,924FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
星宇航空CheapestHK$4,978AverageHK$6,069FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
Cathay PacificCheapestHK$5,096AverageHK$6,702FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapestHK$5,176AverageHK$6,437FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
United AirlinesCheapestHK$5,245AverageHK$5,946FlexibilityNo cancel feeOn-time69%
Search United Airlines 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?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Seattle, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Hong Kong today and book when prices fit your budget.

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