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Cheap flights from Hong Kong to Seattle from HK$3,290

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
24 May — 31 May1
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 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 24 April 2026.

Wed 10-612:40
HKG
-
SEA
1 stop21h 38m
United Airlines
Thu 10-919:35
SEA
-
HKG
1 stop18h 25m
United Airlines
Deal found 24-4HK$5,578
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$5,962
Thu 3-917:55
HKG
-
SEA
1 stop34h 42m
Delta
Mon 7-918:55
SEA
-
HKG
1 stop19h 10m
Delta
Deal found 20-4HK$5,993
Sun 27-909:25
HKG
-
SEA
1 stop18h 33m
Delta
Sun 11-1012:00
SEA
-
HKG
1 stop26h 05m
Delta
Deal found 20-4HK$6,056
Mon 4-500:45
HKG
-
SEA
1 stop24h 55m
Korean Air
Fri 11-912:50
SEA
-
HKG
1 stop18h 55m
Korean Air
Deal found 21-4HK$6,080
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$6,127
Mon 31-817:55
HKG
-
SEA
1 stop34h 42m
Delta
Fri 18-909:30
SEA
-
HKG
1 stop28h 35m
Delta
Deal found 21-4HK$6,495
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$6,604
Sat 27-613:35
HKG
-
SEA
1 stop17h 35m
Multiple Airlines
Tue 8-901:15
SEA
-
HKG
1 stop28h 55m
Multiple Airlines
Deal found 21-4HK$6,706
Tue 15-913:40
HKG
-
SEA
1 stop21h 25m
Philippine Airlines
Tue 15-923:10
SEA
-
HKG
1 stop22h 25m
Philippine Airlines
Deal found 22-4HK$6,792
Mon 4-500:45
HKG
-
SEA
1 stop24h 55m
Delta
Tue 8-914:30
SEA
-
HKG
1 stop23h 35m
Delta
Deal found 21-4HK$6,800

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 24 April 2026.

Round-trip from

HK$5,578

One-way from

HK$3,290

Popular in

August

Cheapest in

January

Average price

HK$6,518

Good round-trip deal

HK$8,714 or less
United Airlines
  • United Airlines
  • 10-6-10-9
  • 2 total stops
  • 40h 03m 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$11,188 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$1,527 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 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 24 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

Wed 2-9

00:45-13:37

1 stop27h 52m

Seattle/Tacoma Intl

Tue 8-9

18:55-05:05

1 stop19h 10m

HK$5,993

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 2-9

00:45-13:37

1 stop27h 52m

Seattle/Tacoma Intl

Mon 7-9

09:30-05:05

1 stop28h 35m

HK$5,993

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 8-10

01:40-15:15

1 stop28h 35m

Seattle/Tacoma Intl

Sun 11-10

00:10-23:30

1 stop32h 20m

HK$7,278

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2-6

01:25-14:45

1 stop28h 20m

Seattle/Tacoma Intl

Wed 10-6

17:05-16:25

1 stop32h 20m

HK$7,991

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 3-6

14:45-14:25

1 stop14h 40m

Seattle/Tacoma Intl

Wed 10-6

10:45-05:15

2 stops27h 30m

HK$8,015

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 27-7

01:25-12:25

1 stop26h 00m

Seattle/Tacoma Intl

Mon 31-8

16:25-21:55

1 stop38h 30m

HK$8,414

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 24-6

19:40-12:25

1 stop31h 45m

Seattle/Tacoma Intl

Mon 29-6

16:25-21:55

1 stop38h 30m

HK$8,414

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 16-7

12:40-21:59

1 stop24h 19m

Seattle/Tacoma Intl

Mon 27-7

08:45-18:55

1 stop19h 10m

HK$8,540
Fastest return journey

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 10-7

12:40-21:59

1 stop24h 19m

Seattle/Tacoma Intl

Fri 31-7

10:29-18:55

1 stop17h 26m

HK$8,602
Cheapest one-way

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 10-5

17:55-13:11

1 stop34h 16m

HK$3,573

Flights are sorted by cheapest return flights first.

Deals found on 21-4

Showing 1-10 of 20 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?

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 14 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, June is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$3,956). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$5,954). 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 24 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 often are flights from Hong Kong to Seattle delayed?

About 40% of weekly flights between Hong Kong and Seattle have experienced delays in the past year, with the average delay time being 166 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?

Monday tends to have the lowest number of delays on this route, whereas Saturday 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 40% of flights being delayed.

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 24 April 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
8.9
Very Good
Check prices

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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
1,426 reviews
星宇航空
8.9
Very Good
Check prices

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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
1,299 reviews
星宇航空
8.9
Very Good
Check prices

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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
9,650 reviews
星宇航空
8.9
Very Good
Check prices

Crew

9.2

Food

8.6

Entertainment

8.8

Comfort

8.9

Boarding

8.9

Overall

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 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 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 27h 52m. Delta provides one of the quickest options available for as low as HK$5,993. 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$4,802), Air Canada (HK$4,807), and 星宇航空 (HK$4,980) 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$9,043, our data shows the cheapest flight currently is HK$7,791. When looking at the most popular route, (Hong Kong Intl - Seattle/Tacoma Intl), you can expect to pay HK$5,578 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, June is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$3,956). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$5,954). 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
Renton
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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$4,802AverageHK$5,205FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestHK$4,807AverageHK$5,926FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
星宇航空CheapestHK$4,980AverageHK$6,071FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
Cathay PacificCheapestHK$5,097AverageHK$6,704FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapestHK$5,178AverageHK$6,440FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
United AirlinesCheapestHK$5,247AverageHK$5,948FlexibilityNo 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?

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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