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Cheap flights from Hong Kong to Seattle from HK$3,171

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 2-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
7 Jul — 14 Jul1
1 adult

Cheapflights Tip: The best prices from Hong Kong to Seattle/Tacoma Intl are usually found in May or October, booked 13 days in advance, depart on a Monday or Saturday and return on a Wednesday

Cheap 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 2 July 2025.

Round-trip from

HK$4,835

One-way from

HK$3,171

Popular in

August

Cheapest in

May

Average price

HK$11,351
13-10-27-10
  • 13-10-27-10
  • 2 total stops
  • 46h 55m total
  • Hong Kong to Seattle
星宇航空
  • 星宇航空
  • 2-9
  • 1 total stop
  • 19h 50m total
  • Hong Kong to Seattle
Highest demand for flights based on searches. 23% potential increase in price (HK$18,593 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (HK$2,907 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Hong Kong to Seattle

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 2 July 2025.

Mon 13-1000:45HKG - SEA
1 stop26h 45mMultiple Airlines
Mon 27-1000:10SEA - HKG
1 stop20h 10mMultiple Airlines
Deal found 1-7HK$4,835
Thu 18-920:10HKG - SEA
1 stop35h 00m星宇航空
Sun 21-901:15SEA - HKG
1 stop17h 40m星宇航空
Deal found 2-7HK$5,141
Tue 14-1013:00HKG - SEA
1 stop14h 30mAsiana Airlines
Wed 29-1000:10SEA - HKG
1 stop31h 20mAsiana Airlines
Deal found 1-7HK$5,212
Sat 11-1014:00HKG - SEA
1 stop20h 20mChina Airlines
Thu 30-1001:10SEA - HKG
1 stop20h 45mChina Airlines
Deal found 1-7HK$5,503
Fri 26-1219:40HKG - SEA
1 stop14h 30mEVA Air
Sat 17-123:30SEA - HKG
1 stop17h 30mEVA Air
Deal found 30-6HK$5,510
Thu 18-918:00HKG - SEA
1 stop19h 16mAir Canada
Mon 29-919:15SEA - HKG
1 stop29h 50mAir Canada
Deal found 30-6HK$5,769
Wed 9-713:40HKG - SEA
1 stop20h 35mPhilippine Airlines
Wed 22-1023:35SEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 30-6HK$5,864
Fri 3-1018:55HKG - SEA
1 stop32h 01mUnited Airlines
Fri 10-1007:00SEA - HKG
1 stop20h 55mUnited Airlines
Deal found 30-6HK$5,966
Wed 17-900:45HKG - SEA
1 stop24h 55mKorean Air
Mon 29-912:50SEA - HKG
1 stop18h 40mKorean Air
Deal found 30-6HK$6,484
Mon 13-1017:55HKG - SEA
1 stop34h 35mDelta
Fri 31-1012:10SEA - HKG
1 stop20h 00mDelta
Deal found 1-7HK$6,554

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 2 July 2025.
Use the filters below to find and compare flights from Hong Kong to Seattle that are best for you.

Fly from

Hong Kong

Fly to

Seattle

Route

Departure

Return

Price

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 13-10

00:45-12:30

1 stop26h 45m

Seattle/Tacoma Intl

Mon 27-10

00:10-11:20

1 stop20h 10m

HK$4,835

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 18-9

20:10-16:10

1 stop35h 00m

Seattle/Tacoma Intl

Sun 21-9

01:15-09:55

1 stop17h 40m

HK$5,141

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 14-10

13:00-12:30

1 stop14h 30m

Seattle/Tacoma Intl

Wed 29-10

00:10-22:30

1 stop31h 20m

HK$5,212

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 11-10

14:00-19:20

1 stop20h 20m

Seattle/Tacoma Intl

Thu 30-10

01:10-12:55

1 stop20h 45m

HK$5,503

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 26-12

19:40-18:10

1 stop14h 30m

Seattle/Tacoma Intl

Sat 17-1

23:30-09:00

1 stop17h 30m

HK$5,510

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 18-9

18:00-22:16

1 stop19h 16m

Seattle/Tacoma Intl

Mon 29-9

19:15-16:05

1 stop29h 50m

HK$5,769

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 21-8

23:00-19:15

1 stop35h 15m

Seattle/Tacoma Intl

Wed 3-9

23:35-21:50

1 stop31h 15m

HK$5,919

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3-10

09:15-21:15

2 stops27h 00m

Seattle/Tacoma Intl

Sat 11-10

19:37-05:00

1 stop18h 23m

HK$5,966

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 17-9

00:45-10:40

1 stop24h 55m

Seattle/Tacoma Intl

Mon 29-9

12:50-22:30

1 stop18h 40m

HK$6,484

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 13-10

17:55-13:30

1 stop34h 35m

Seattle/Tacoma Intl

Fri 31-10

12:10-23:10

1 stop20h 00m

HK$6,554

Flights are sorted by cheapest return flights first.

Deals found on 2-7

Showing 1-10 of 19 results
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 27 June 2025.

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

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 2 July 2025.

It’s typically best to fly out from Hong Kong to Seattle in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Hong Kong to Seattle?

Use this chart to determine the cheapest time to fly return from Hong Kong to Seattle. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Hong Kong to Seattle flight should consider departing on Monday afternoons when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 2 July 2025.
Get a feel of what it's like to fly with 星宇航空, EVA Air, andKorean Air 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
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful
星宇航空
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
8.4
Very Good
星宇航空
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
星宇航空
9.1
Wonderful

Boarding

9.0

Overall

9.1

Crew

9.3

Comfort

9.0

Entertainment

9.0

Food

8.9

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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.

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

    According to our current data, 星宇航空 (HK$5,149), Asiana Airlines (HK$5,212), and China Airlines (HK$5,503) offers the cheapest pricing from Hong Kong to Seattle. 星宇航空 is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Hong Kong to Seattle one-way?

    HK$3,171 is the cheapest one-way deal found within the past few days, from 星宇航空. You may also be able to find cheap deals on Hainan Airlines and Air Canada, with prices starting from HK$3,179 and HK$3,328, respectively.

  • 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.

See more FAQs

Travelling to a place near Hong Kong?

Book flights to Hong Kong if you plan to visit one of these locations
Shoreline
Renton

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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.

Top 9 airlines flying from Hong Kong to Seattle

Discover the top 9 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapestHK$5,492AverageHK$6,742FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Air CanadaCheapestHK$5,497AverageHK$7,787FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
星宇航空CheapestHK$5,539AverageHK$6,083FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
Asiana AirlinesCheapestHK$5,573AverageHK$7,035FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
United AirlinesCheapestHK$5,959AverageHK$7,577FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
EVA AirCheapestHK$6,157AverageHK$7,194FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Japan AirlinesCheapestHK$6,617AverageHK$11,476FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Korean AirCheapestHK$7,347AverageHK$10,830FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
ANACheapestHK$7,852AverageHK$10,989FlexibilityNo cancel feeOn-time80%
Search ANA 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.

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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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