Cheap flights from Hong Kong to Seattle from HK$2,977

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 4-12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
6 Sep — 13 Sep1
1 adult

Cheapflights Tip: The best prices from Hong Kong to Seattle/Tacoma Intl are usually found in May or September, booked 4 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 1 September 2025.

Round-trip from

HK$4,715

One-way from

HK$2,977

Popular in

July

Cheapest in

May

Average price

HK$6,313
5-10-19-10
  • 5-10-19-10
  • 2 total stops
  • 56h 10m total
  • Hong Kong to Seattle
China Airlines
  • China Airlines
  • 4-12
  • 1 total stop
  • 14h 05m total
  • Hong Kong to Seattle
Highest demand for flights based on searches. 14% potential increase in price (HK$9,629 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$1,960 potential savings vs. average return price).
Average for round-trip flights in September 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 1 September 2025.

Sun 5-1000:45HKG - SEA
1 stop26h 45mMultiple Airlines
Sun 19-1014:15SEA - HKG
1 stop29h 25mMultiple Airlines
Deal found 1-9HK$4,715
Mon 13-1000:45HKG - SEA
1 stop26h 45mMultiple Airlines
Tue 21-1014:15SEA - HKG
1 stop17h 15mMultiple Airlines
Deal found 30-8HK$4,770
Mon 3-1100:30HKG - SEA
1 stop29h 25mAsiana Airlines
Mon 17-1100:10SEA - HKG
1 stop30h 20mAsiana Airlines
Deal found 1-9HK$4,840
Fri 31-1000:55HKG - SEA
1 stop29h 00mMultiple Airlines
Thu 6-1100:10SEA - HKG
1 stop30h 20mMultiple Airlines
Deal found 1-9HK$4,918
Sat 4-1023:00HKG - SEA
1 stop35h 15mPhilippine Airlines
Sun 12-1023:35SEA - HKG
1 stop31h 15mPhilippine Airlines
Deal found 31-8HK$4,972
Wed 19-1100:30HKG - SEA
1 stop29h 25mMultiple Airlines
Mon 1-1200:10SEA - HKG
1 stop31h 00mMultiple Airlines
Deal found 29-8HK$5,043
Mon 6-1011:15HKG - SEA
1 stop27h 00mLufthansa
Sun 19-1017:26SEA - HKG
1 stop21h 14mLufthansa
Deal found 1-9HK$5,058
Mon 6-1009:15HKG - SEA
2 stops27h 00mUnited Airlines
Sun 19-1019:37SEA - HKG
1 stop18h 23mUnited Airlines
Deal found 1-9HK$5,097
Thu 16-1010:35HKG - SEA
1 stop16h 55mMultiple Airlines
Thu 23-1014:15SEA - HKG
1 stop20h 05mMultiple Airlines
Deal found 1-9HK$5,113
Sun 14-914:00HKG - SEA
1 stop20h 45mChina Airlines
Thu 25-901:10SEA - HKG
1 stop24h 20mChina Airlines
Deal found 30-8HK$5,183

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 1 September 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

Sun 5-10

00:45-12:30

1 stop26h 45m

Seattle/Tacoma Intl

Sun 19-10

14:15-10:40

1 stop29h 25m

HK$4,715

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 13-10

00:45-12:30

1 stop26h 45m

Seattle/Tacoma Intl

Tue 21-10

14:15-22:30

1 stop17h 15m

HK$4,770

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 3-11

00:30-13:55

1 stop29h 25m

Seattle/Tacoma Intl

Mon 17-11

00:10-22:30

1 stop30h 20m

HK$4,840

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 4-10

23:00-19:15

1 stop35h 15m

Seattle/Tacoma Intl

Sun 12-10

23:35-21:50

1 stop31h 15m

HK$4,972

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 19-11

00:30-13:55

1 stop29h 25m

Seattle/Tacoma Intl

Mon 1-12

00:10-23:10

1 stop31h 00m

HK$5,043

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 6-10

11:15-23:15

1 stop27h 00m

Seattle/Tacoma Intl

Sun 19-10

17:26-05:40

1 stop21h 14m

HK$5,058

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 1-11

10:25-14:55

1 stop19h 30m

Seattle/Tacoma Intl

Thu 6-11

00:10-19:00

1 stop26h 50m

HK$5,105

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 16-10

10:35-12:30

1 stop16h 55m

Seattle/Tacoma Intl

Thu 23-10

14:15-01:20

1 stop20h 05m

HK$5,113

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 14-9

14:00-19:45

1 stop20h 45m

Seattle/Tacoma Intl

Thu 25-9

01:10-16:30

1 stop24h 20m

HK$5,183

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 20-11

07:50-18:10

1 stop26h 20m

Seattle/Tacoma Intl

Mon 1-12

00:10-10:10

1 stop18h 00m

HK$5,183

Flights are sorted by cheapest return flights first.

Deals found on 30-8

Showing 1-10 of 15 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 29 August 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 4 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 1 September 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 1 September 2025.
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

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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
8.9
Very Good
星宇航空
8.9
Very Good

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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
8.9
Very Good

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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
8.9
Very Good

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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
8.9
Very Good

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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
8.9
Very Good

Boarding

9.0

Food

8.8

Crew

9.2

Overall

8.9

Comfort

8.9

Entertainment

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.

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

    A quick flight from Hong Kong to Seattle can take about 29h 25m. Asiana Airlines provides one of the quickest options available for as low as HK$4,840. 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, Air Canada (HK$4,847), Asiana Airlines (HK$5,387), and China Airlines (HK$5,453) offers the cheapest pricing from Hong Kong to Seattle. Air Canada is priced at 32% lower than the current average price of a flight leaving 3 months from now.

  • 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 Seattle?

Book flights to Seattle 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 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 1 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$4,847AverageHK$7,404FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Asiana AirlinesCheapestHK$5,387AverageHK$6,139FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
China AirlinesCheapestHK$5,453AverageHK$6,383FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
星宇航空CheapestHK$5,492AverageHK$6,039FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
EVA AirCheapestHK$5,747AverageHK$6,934FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
United AirlinesCheapestHK$5,916AverageHK$6,574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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Yes! Cheapflights helps users easily find flights from Hong Kong to Seattle with no change fees.

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