Cheap flights from Hong Kong to Seattle from HK$2,498

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 19-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
13 Oct — 20 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Hong Kong Intl 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

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 September 2025.

Round-trip from

HK$4,062

One-way from

HK$2,498

Popular in

July

Cheapest in

May

Average price

HK$6,303
Philippine Airlines
  • Philippine Airlines
  • 10-10-12-10
  • 2 total stops
  • 44h 45m total
  • Hong Kong to Seattle
Philippine Airlines
  • Philippine Airlines
  • 21-9
  • 1 total stop
  • 15h 55m total
  • Hong Kong to Seattle
Highest demand for flights based on searches. 14% potential increase in price (HK$9,597 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (HK$1,951 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 13 September 2025.

Fri 12-911:20HKG - SEA
1 stop22h 55mPhilippine Airlines
Fri 26-923:35SEA - HKG
1 stop21h 50mPhilippine Airlines
Deal found 11-9HK$4,093
Mon 27-1007:10HKG - SEA
1 stop22h 45mMultiple Airlines
Sun 2-1100:10SEA - HKG
1 stop23h 25mMultiple Airlines
Deal found 12-9HK$4,109
Fri 5-1213:40HKG - SEA
1 stop20h 55mPhilippine Airlines
Thu 11-1221:30SEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 11-9HK$4,140
Sat 18-1023:00HKG - SEA
1 stop35h 15mPhilippine Airlines
Wed 29-1022:30SEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 12-9HK$4,148
Tue 28-1010:25HKG - SEA
1 stop19h 30mMultiple Airlines
Mon 3-1100:10SEA - HKG
1 stop23h 25mMultiple Airlines
Deal found 12-9HK$4,171
Thu 18-913:35HKG - SEA
1 stop16h 10mMultiple Airlines
Fri 19-914:50SEA - HKG
1 stop17h 25mMultiple Airlines
Deal found 12-9HK$4,249
Mon 3-1107:10HKG - SEA
1 stop22h 45mMultiple Airlines
Sun 9-1100:10SEA - HKG
1 stop26h 50mMultiple Airlines
Deal found 11-9HK$4,265
Fri 3-1013:40HKG - SEA
1 stop20h 35mPhilippine Airlines
Sun 12-1023:35SEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 11-9HK$4,288
Fri 3-1013:40HKG - SEA
1 stop20h 35mPhilippine Airlines
Fri 10-1023:35SEA - HKG
1 stop19h 35mPhilippine Airlines
Deal found 12-9HK$4,296

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 13 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 8-3

00:30-14:55

1 stop29h 25m

Seattle/Tacoma Intl

Mon 9-3

00:10-22:30

1 stop31h 20m

HK$5,206

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 9-3

10:20-19:10

1 stop23h 50m

Seattle/Tacoma Intl

Mon 9-3

01:10-20:10

1 stop28h 00m

HK$5,346

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 13-2

10:35-13:58

2 stops43h 23m

Seattle/Tacoma Intl

Sun 22-2

19:29-19:20

1 stop31h 51m

HK$5,424

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3-10

09:15-21:15

2 stops27h 00m

Seattle/Tacoma Intl

Sun 12-10

13:00-18:55

1 stop38h 55m

HK$5,424

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 26-12

22:45-21:07

2 stops38h 22m

Seattle/Tacoma Intl

Sat 17-1

19:30-19:20

1 stop31h 50m

HK$5,424

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 26-10

10:35-18:26

1 stop22h 51m

Seattle/Tacoma Intl

Sun 2-11

12:41-19:20

2 stops38h 39m

HK$5,424

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 12-2

22:30-09:59

2 stops27h 29m

Seattle/Tacoma Intl

Mon 23-2

09:20-07:00

2 stops29h 40m

HK$5,673

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 12-2

11:25-15:41

2 stops20h 16m

Seattle/Tacoma Intl

Sun 22-2

09:20-07:00

2 stops29h 40m

HK$5,673

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 26-12

19:40-18:10

1 stop14h 30m

Seattle/Tacoma Intl

Fri 16-1

00:10-09:00

1 stop16h 50m

HK$6,062

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 25-11

19:40-08:43

2 stops29h 03m

Seattle/Tacoma Intl

Sat 6-12

07:00-09:00

2 stops34h 00m

HK$6,179

Flights are sorted by cheapest return flights first.

Deals found on 13-9

Showing 1-10 of 20 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 HKG 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 13 September 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 14% on flights from Hong Kong to Seattle by exploring options for tickets in the afternoon.

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.

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

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 13 September 2025.
Check out reviews from past customers who have flown with 星宇航空, EVA Air, andChina Airlines from Hong Kong to Seattle to help guide your decision. You can also see how each airline stacks up 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

Overall

8.9

Crew

9.2

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

Overall

8.9

Crew

9.2

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

Overall

8.9

Crew

9.2

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

Overall

8.9

Crew

9.2

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

Overall

8.9

Crew

9.2

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

Overall

8.9

Crew

9.2

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

    A quick flight from Hong Kong to Seattle can take about 23h 50m. Asiana Airlines provides one of the quickest options available for as low as HK$5,346. 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$4,840), Asiana Airlines (HK$5,379), and China Airlines (HK$5,445) 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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Fly from Hong Kong to Seattle on these airlines

Choose from the following airlines for your flight from Hong Kong to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 13 September 2025.

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 13 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestHK$4,840AverageHK$7,393FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Asiana AirlinesCheapestHK$5,379AverageHK$6,129FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
China AirlinesCheapestHK$5,445AverageHK$6,373FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
星宇航空CheapestHK$5,483AverageHK$6,030FlexibilityNo cancel feeOn-timeN/A
Search 星宇航空 flights
EVA AirCheapestHK$5,738AverageHK$6,923FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
United AirlinesCheapestHK$5,908AverageHK$6,564FlexibilityNo 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?

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?

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Hong Kong to Seattle, users can toggle the no change fees filter when performing a flight search.

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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