Cheap flights from Hong Kong to Seattle from HK$3,355

HKG — SEA
9 Dec — 16 Dec1
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 February, booked 90 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Seattle

Mon 9-1111:25 -
1 stop26h 25m
Mon 23-1107:00 -
1 stop20h 20m
Deal found 7-11HK$5,534
Mon 9-1110:35 -
1 stop23h 58m
Mon 23-1116:39 -
1 stop22h 21m
Deal found 8-11HK$5,550
Thu 12-1111:25 -
1 stop20h 47m
Tue 17-1107:00 -
1 stop20h 20m
Deal found 4-11HK$5,644
Thu 19-1111:25 -
1 stop24h 12m
Mon 23-1115:35 -
1 stop23h 10m
Deal found 5-11HK$5,652
Wed 2-1210:35 -
1 stop17h 45m
Sat 2-106:34 -
1 stop20h 41m
Deal found 8-11HK$5,832
Mon 30-1120:50 -
1 stop27h 30m
Sat 2-110:20 -
1 stop34h 50m
Deal found 8-11HK$5,879

Find flight deals from Hong Kong to Seattle

Round-trip from

HK$5,644

One-way from

HK$3,355

Popular in

August

Cheapest in

January

Average price

HK$6,467
United Airlines
  • United Airlines
  • 19-11-23-11
  • 2 total stops
  • 47h 22m total
  • Hong Kong to Seattle
30-11-31-12
  • 30-11-31-12
  • 1 total stop
  • 27h 30m total
  • Hong Kong to Seattle
Highest demand for flights based on searches. 12% potential increase in price (HK$7,742 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$1,806 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Mon 15-3

13:30-19:45

1 stop21h 15m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$3,716

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Fri 9-4

11:10-19:35

1 stop23h 25m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$3,810

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Tue 30-3

11:05-19:15

1 stop23h 10m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$3,888

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Thu 3-12

10:35-21:21

3 stops26h 46m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,319

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Wed 9-12

22:30-21:21

3 stops38h 51m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,327

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Mon 23-11

11:25-20:47

2 stops25h 22m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,327
Fastest return journey

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Sat 14-11

13:05-08:45

Nonstop11h 40m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,656

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Fri 9-4

12:40-18:07

2 stops20h 27m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,703

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Thu 8-4

11:45-21:56

2 stops25h 11m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,703

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Sat 14-11

11:25-20:47

2 stops25h 22m

Seattle/Tacoma Intl

Wed 31-12

00:00-16:00

Nonstop0h 00m

HK$4,703

Flights are sorted by cheapest return flights first.

Deals found on 8-11

Showing 1-10 of 24 resultsSorted by cheapest first
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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 return price

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$5,495). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$9,344). 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?

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 35% of weekly flights between Hong Kong and Seattle have experienced delays in the past year, with the average delay time being 134 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 35% 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 64 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 a feel of what it's like to fly with EVA Air,China Airlines, andCathay Pacific 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.

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Boarding

8.4

Food

8.1

Comfort

8.3

Crew

8.7

Entertainment

8.0

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Padma,Aug 2026

TPE - SFO

Great but could not allow me to do online booking

Related info for your journey

  • 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?

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

    A quick flight from Hong Kong to Seattle can take about 21h 37m. United Airlines provides one of the quickest options available for as low as HK$5,652. Airlines will cover a distance of 10435 km. 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, United Airlines (HK$2,474), Air Canada (HK$3,114), and China Airlines (HK$4,804) offers the cheapest pricing from Hong Kong to Seattle. United Airlines is priced at 63% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Hong Kong to Seattle?

    The top 3 most reliable airlines when flying from Hong Kong to Seattle are Alaska Airlines (75%), American Airlines (63%) and Cathay Pacific (63%).

  • 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$5,495). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$9,344). 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
Edmonds
SeaTac

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Alternative routes for Hong Kong to Seattle

Top 5 airlines flying from Hong Kong to Seattle

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$2,474AverageHK$6,970FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestHK$3,114AverageHK$7,075FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
China AirlinesCheapestHK$4,804AverageHK$5,206FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Cathay PacificCheapestHK$5,130AverageHK$8,481FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapestHK$5,181AverageHK$6,264FlexibilityNo cancel feeOn-time74%
Search EVA Air flights

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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.

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