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Cheap flights from Hong Kong to Seattle from £325

HKG — SEA
15 Dec — 22 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Seattle

Thu 26/1110:35 -
2 stops21h 57m
Thu 26/1119:35 -
1 stop19h 10m
Deal found 14/11£541
Thu 19/1122:45 -
1 stop39h 05m
Wed 2/1209:01 -
1 stop29h 44m
Deal found 13/11£543
Mon 16/1110:35 -
2 stops25h 02m
Tue 24/1107:00 -
1 stop20h 20m
Deal found 11/11£545
Thu 12/1122:30 -
1 stop29h 50m
Wed 25/1118:30 -
1 stop20h 30m
Deal found 10/11£549
Thu 26/1122:30 -
2 stops33h 42m
Sun 29/1107:00 -
1 stop20h 20m
Deal found 11/11£557
Wed 23/1211:25 -
1 stop28h 33m
Thu 31/1205:00 -
1 stop22h 20m
Deal found 15/11£566
Wed 18/1100:55 -
1 stop26h 56m
Mon 23/1115:13 -
1 stop24h 27m
Deal found 12/11£611
Tue 17/1111:25 -
2 stops19h 14m
Wed 25/1107:00 -
1 stop20h 20m
Deal found 12/11£615

Find flight deals from Hong Kong to Seattle

Round-trip from

£541

One-way from

£325

Popular in

August

Cheapest in

January

Average price

£609

Good one-way deal

£1,882 or less
United Airlines
  • United Airlines
  • 26/11-26/11
  • 3 total stops
  • 41h 07m total
  • Hong Kong to Seattle
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Philippine Airlines
  • Philippine Airlines
  • 4/12-31/12
  • 1 total stop
  • 21h 15m total
  • Hong Kong to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£72 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a one-way flight from Hong Kong Intl to Seattle/Tacoma Intl.
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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

Depart

Return

Price

Cheapest return flight

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Thu 22/4

11:05-19:30

1 stop23h 25m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£365

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Tue 8/12

10:35-21:21

3 stops26h 46m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£417

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Thu 10/12

22:30-21:21

3 stops38h 51m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£418

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Tue 24/11

10:35-21:50

2 stops27h 15m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£424

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Fri 15/1

11:25-18:45

1 stop23h 20m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£430
Fastest return journey

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Thu 22/4

13:25-10:05

Nonstop11h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£449

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Tue 8/12

13:05-08:45

Nonstop11h 40m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£449

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Sat 23/1

10:35-21:59

2 stops27h 24m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£454

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Sat 26/12

10:35-23:58

2 stops29h 23m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£454

Hong KongSeattle

HKG Hong Kong Intl - SEA Seattle/Tacoma Intl

HKGSEA

Hong Kong Intl

Sun 24/1

22:30-16:18

2 stops33h 48m

Seattle/Tacoma Intl

Wed 31/12

00:00-16:00

Nonstop0h 00m

£454

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 19 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

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 89 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.

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 £530). Flying from Hong Kong to Seattle in August is currently the most expensive (average of £902). 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?

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 much does it cost for a return flight from Hong Kong to Seattle?

Airfare is typical for this route at the moment.

Hong Kong to Seattle flights typically cost between £502 and £629 in November.
The cheapest return price found within the last 5 days was £541 on United Airlines (26 Nov–26 Nov).

Related info for your journey

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

    United Airlines can get you from Hong Kong to Seattle in just under 21h 57m. Your travel time can differ by up to . Airlines will cover a distance of 6484 mi.

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

    No one likes to see their flight delayed. When booking a flight from Hong Kong to Seattle consider choosing Alaska Airlines (75%), American Airlines (63%) or Cathay Pacific (63%) as they are the most reliable in getting you off to your destination on time.

  • 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 £530). Flying from Hong Kong to Seattle in August is currently the most expensive (average of £902). 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
Federal Way
SeaTac

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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?

Millions of users choose and trust Cheapflights to book the best flight deals from Hong Kong to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

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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