Cheap flights from Hong Kong to Seattle from HK$2,636
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 6-2. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
8 Dec — 15 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong to Seattle/Tacoma Intl are usually found in November or February, booked 4 days in advance, depart on a Tuesday or Friday and return on a Thursday
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 8 November 2025.
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 8 November 2025.
Sat 8-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 23-1121:30SEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 7-11HK$4,285
Sat 15-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 30-1121:30SEA - HKG
1 stop32h 15mPhilippine Airlines
Deal found 8-11HK$4,300
Mon 1-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 17-523:05SEA - HKG
1 stop31h 20mPhilippine Airlines
Deal found 6-11HK$4,432
Sat 13-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Thu 1-121:30SEA - HKG
1 stop23h 00mPhilippine Airlines
Deal found 7-11HK$4,658
Fri 28-1118:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Thu 21-523:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 6-11HK$4,666
Tue 23-1220:05HKG - SEA
1 stop14h 05mChina Airlines
Mon 29-1200:10SEA - HKG
1 stop17h 05mChina Airlines
Deal found 7-11HK$4,705
Wed 24-1220:25HKG - SEA
1 stop18h 21mAir Canada
Sat 17-110:05SEA - HKG
1 stop16h 35mAir Canada
Deal found 5-11HK$4,751
Wed 24-1222:45HKG - SEA
2 stops38h 32mUnited Airlines
Sat 17-112:35SEA - HKG
1 stop26h 10mUnited Airlines
Deal found 7-11HK$4,852
Sat 8-1111:25HKG - SEA
2 stops25h 26mUnited Airlines
Sun 23-1119:28SEA - HKG
1 stop31h 52mUnited Airlines
Deal found 7-11HK$4,868
Fri 28-1118:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Fri 15-523:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 6-11HK$5,008
Mon 1-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Fri 15-523:05SEA - HKG
1 stop22h 15mPhilippine Airlines
Deal found 6-11HK$5,055
Best flights from Hong Kong to Seattle
Discover carefully curated flight deals from Hong Kong to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 November 2025.
Tue 2-1213:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Thu 21-523:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 6-11HK$4,666
Mon 9-310:35HKG - SEA
2 stops27h 41mUnited Airlines
Tue 10-319:29SEA - HKG
1 stop32h 51mUnited Airlines
Deal found 6-11HK$4,852
Wed 25-313:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Thu 23-423:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 7-11HK$4,666
Fri 26-1211:25HKG - SEA
1 stop28h 32mUnited Airlines
Sat 17-106:03SEA - HKG
1 stop32h 42mUnited Airlines
Deal found 6-11HK$4,852
Fri 28-1118:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Thu 21-523:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 6-11HK$4,666
Fri 6-222:30HKG - SEA
2 stops33h 59mUnited Airlines
Sat 21-219:29SEA - HKG
1 stop31h 51mUnited Airlines
Deal found 6-11HK$4,852
Wed 3-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Tue 19-523:05SEA - HKG
1 stop22h 15mPhilippine Airlines
Deal found 6-11HK$4,666
Wed 24-1222:45HKG - SEA
2 stops38h 22mUnited Airlines
Sat 17-112:35SEA - HKG
1 stop38h 45mUnited Airlines
Deal found 6-11HK$4,852
Wed 3-1218:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Wed 20-523:05SEA - HKG
1 stop26h 55mPhilippine Airlines
Deal found 6-11HK$5,055
Thu 4-1218:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Wed 20-523:05SEA - HKG
1 stop31h 20mPhilippine Airlines
Deal found 6-11HK$5,055
Last-minute flights from Hong Kong to Seattle
Discover last-minute flight deals from Hong Kong to Seattle. Data last updated 8 November 2025 and is based on user searches.
Sat 8-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 23-1121:30SEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 7-11HK$4,285
Sat 8-1111:25HKG - SEA
2 stops25h 26mUnited Airlines
Sun 23-1119:28SEA - HKG
1 stop31h 52mUnited Airlines
Deal found 7-11HK$4,868
Sat 15-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 30-1121:30SEA - HKG
1 stop32h 15mPhilippine Airlines
Deal found 8-11HK$4,300
Fri 28-1118:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Sun 17-523:05SEA - HKG
1 stop22h 15mPhilippine Airlines
Deal found 6-11HK$4,666
Fri 28-1118:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Fri 15-523:05SEA - HKG
1 stop20h 05mPhilippine Airlines
Deal found 6-11HK$5,008
Mon 1-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Sun 17-523:05SEA - HKG
1 stop31h 20mPhilippine Airlines
Deal found 6-11HK$4,432
Mon 1-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Fri 15-523:05SEA - HKG
1 stop22h 15mPhilippine Airlines
Deal found 6-11HK$5,055
Sat 13-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Thu 1-121:30SEA - HKG
1 stop23h 00mPhilippine Airlines
Deal found 7-11HK$4,658
Tue 23-1220:05HKG - SEA
1 stop14h 05mChina Airlines
Mon 29-1200:10SEA - HKG
1 stop17h 05mChina Airlines
Deal found 7-11HK$4,705
Wed 24-1220:25HKG - SEA
1 stop18h 21mAir Canada
Sat 17-110:05SEA - HKG
1 stop16h 35mAir Canada
Deal found 5-11HK$4,751
Wed 24-1222:45HKG - SEA
2 stops38h 22mUnited Airlines
Sat 17-112:35SEA - HKG
1 stop38h 45mUnited Airlines
Deal found 6-11HK$4,852
One-way flights from Hong Kong to Seattle
Search for one-way flight options from Hong Kong to Seattle. Find affordable one-way fares based on user searches. Data last updated 8 November 2025.
Fri 6-211:15HKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 6-11HK$2,636
Fri 14-1113:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 5-11HK$2,652
Sat 31-122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 5-11HK$2,714
Tue 18-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 5-11HK$2,745
Thu 27-1122:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 6-11HK$2,869
Mon 17-1120:55HKG - SEA
1 stop27h 05mHainan Airlines
Deal found 5-11HK$2,901
Wed 25-320:55HKG - SEA
2 stops27h 10mHainan Airlines
Deal found 6-11HK$3,165
Wed 3-1220:40HKG - SEA
1 stop27h 25mHainan Airlines
Deal found 6-11HK$3,250
Sun 22-300:40HKG - SEA
1 stop28h 50mMultiple Airlines
Deal found 7-11HK$3,297
Thu 22-111:25HKG - SEA
2 stops25h 47mUnited Airlines
Deal found 7-11HK$3,305
Fri 14-1110:35HKG - SEA
3 stops26h 38mUnited Airlines
Deal found 5-11HK$3,313
Sat 15-1122:30HKG - SEA
1 stop17h 14mUnited Airlines
Deal found 7-11HK$3,328
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 8 November 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
Tue 2-12
13:40-18:40
1 stop21h 00m
Seattle/Tacoma Intl
Thu 21-5
23:05-10:10
1 stop20h 05m
HK$4,666
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 25-3
13:40-19:40
1 stop21h 00m
Seattle/Tacoma Intl
Thu 23-4
23:05-10:10
1 stop20h 05m
HK$4,666
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 28-11
18:55-18:40
1 stop15h 45m
Seattle/Tacoma Intl
Thu 21-5
23:05-10:10
1 stop20h 05m
HK$4,666
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 3-12
22:45-18:40
1 stop35h 55m
Seattle/Tacoma Intl
Tue 19-5
23:05-12:20
1 stop22h 15m
HK$4,666
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Mon 9-3
10:35-23:16
2 stops27h 41m
Seattle/Tacoma Intl
Tue 10-3
19:29-19:20
1 stop32h 51m
HK$4,852
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 26-12
11:25-23:57
1 stop28h 32m
Seattle/Tacoma Intl
Sat 17-1
06:03-06:45
1 stop32h 42m
HK$4,852
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 6-2
22:30-16:29
2 stops33h 59m
Seattle/Tacoma Intl
Sat 21-2
19:29-19:20
1 stop31h 51m
HK$4,852
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 24-12
22:45-21:07
2 stops38h 22m
Seattle/Tacoma Intl
Sat 17-1
12:35-19:20
1 stop38h 45m
HK$4,852
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 3-12
18:55-18:40
1 stop15h 45m
Seattle/Tacoma Intl
Wed 20-5
23:05-17:00
1 stop26h 55m
HK$5,055
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Thu 4-12
18:55-18:40
1 stop15h 45m
Seattle/Tacoma Intl
Wed 20-5
23:05-21:25
1 stop31h 20m
HK$5,055
Flights are sorted by cheapest return flights first.
Deals found on 6-11
Showing 1-10 of 21 results
1
2
3
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 7 November 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 month to book a flight from Hong Kong to Seattle?
Currently, July is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$4,137). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,084). 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?
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 8 November 2025.
It’s typically best to fly out from Hong Kong to Seattle at midday. Doing so could potentially save you 45% 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 Wednesday at midday 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 8 November 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.
Superb service! My second time flying with Starlux to Clark. Will definately fly this route with them again!
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 21h. Philippine Airlines provides one of the quickest options available for as low as HK$4,666. 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$4,959), 星宇航空 (HK$5,013), and China Airlines (HK$5,022) offers the cheapest pricing from Hong Kong to Seattle. Air Canada is priced at 26% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest flights from Hong Kong to Seattle?
While on average a flight from Hong Kong to Seattle is generally HK$6,953, our data shows the cheapest flight currently is HK$5,092. When looking at the most popular route, (Hong Kong Intl - Seattle/Tacoma Intl), you can expect to pay HK$4,300 for that flight.
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, July is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$4,137). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,084). 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.
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 8 November 2025.
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.
Can Cheapflights notify me if prices for flights from Hong Kong to Seattle become cheaper?
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.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.