Cheap flights from Hong Kong to Seattle from HK$2,631
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 10-12. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
4 Jan — 11 Jan1
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 16 days in advance, depart on a Monday or Tuesday and return on a Thursday
Cheap flight deals from Hong Kong to Seattle
Enter your travel dates to find the best prices.
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 5 December 2025.
Tue 9-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Thu 2-423:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 5-12HK$4,296
Tue 16-1213:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Tue 13-121:30SEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 3-12HK$4,670
Thu 4-1218:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Wed 31-1221:30SEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 2-12HK$4,825
Wed 24-1211:25HKG - SEA
2 stops23h 20mUnited Airlines
Sat 17-112:35SEA - HKG
2 stops26h 25mUnited Airlines
Deal found 4-12HK$4,872
Mon 8-1222:45HKG - SEA
1 stop35h 55mMultiple Airlines
Mon 19-111:00SEA - HKG
1 stop20h 10mMultiple Airlines
Deal found 3-12HK$4,981
Mon 8-1222:45HKG - SEA
1 stop35h 55mMultiple Airlines
Tue 6-107:15SEA - HKG
2 stops23h 55mMultiple Airlines
Deal found 3-12HK$5,012
Thu 4-1210:35HKG - SEA
2 stops21h 34mUnited Airlines
Wed 31-1212:35SEA - HKG
1 stop38h 45mUnited Airlines
Deal found 2-12HK$5,144
Thu 25-1210:35HKG - SEA
1 stop24h 10mUnited Airlines
Wed 7-109:00SEA - HKG
1 stop30h 00mUnited Airlines
Deal found 2-12HK$5,152
Tue 16-1213:40HKG - SEA
1 stop21h 00mMultiple Airlines
Tue 13-106:18SEA - HKG
2 stops31h 27mMultiple Airlines
Deal found 3-12HK$5,386
Thu 25-1211:15HKG - SEA
1 stop19h 50mMultiple Airlines
Wed 7-107:15SEA - HKG
2 stops23h 55mMultiple Airlines
Deal found 2-12HK$5,565
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 5 December 2025.
Tue 10-313:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Thu 18-623:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 3-12HK$4,662
Wed 24-1211:25HKG - SEA
2 stops23h 20mUnited Airlines
Sat 17-112:35SEA - HKG
2 stops26h 25mUnited Airlines
Deal found 4-12HK$4,872
Fri 26-1220:25HKG - SEA
1 stop29h 06mAir Canada
Sat 17-105:50SEA - HKG
1 stop20h 50mAir Canada
Deal found 4-12HK$4,872
Sun 8-311:15HKG - SEA
1 stop23h 25mPhilippine Airlines
Sun 14-623:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 3-12HK$4,662
Wed 21-111:25HKG - SEA
2 stops25h 47mUnited Airlines
Thu 29-117:10SEA - HKG
1 stop21h 35mUnited Airlines
Deal found 4-12HK$4,872
Thu 12-311:15HKG - SEA
1 stop23h 25mPhilippine Airlines
Sun 14-623:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 3-12HK$4,662
Fri 26-1222:45HKG - SEA
1 stop17h 12mUnited Airlines
Sat 17-112:35SEA - HKG
2 stops26h 25mUnited Airlines
Deal found 4-12HK$4,872
Sat 14-322:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Fri 19-623:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 3-12HK$4,662
Fri 13-318:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Sun 14-623:10SEA - HKG
1 stop27h 05mPhilippine Airlines
Deal found 3-12HK$4,662
Sat 14-322:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Thu 18-623:10SEA - HKG
1 stop27h 05mPhilippine Airlines
Deal found 3-12HK$4,662
Direct flights from Hong Kong to Seattle
Explore direct flight options from Hong Kong to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 December 2025.
Mon 30-313:30HKG - SEA
Nonstop11h 40mCathay Pacific
Sat 25-411:50SEA - HKG
Nonstop13h 55mCathay Pacific
Deal found 2-12HK$5,098
Mon 20-413:30HKG - SEA
Nonstop11h 40mCathay Pacific
Wed 22-411:50SEA - HKG
Nonstop13h 55mCathay Pacific
Deal found 3-12HK$5,144
Mon 30-313:30HKG - SEA
Nonstop11h 40mCathay Pacific
Sat 18-411:50SEA - HKG
Nonstop13h 55mCathay Pacific
Deal found 4-12HK$5,238
Wed 3-613:30HKG - SEA
Nonstop12h 05mCathay Pacific
Thu 3-912:15SEA - HKG
Nonstop13h 30mCathay Pacific
Deal found 3-12HK$49,474
Tue 2-613:30HKG - SEA
Nonstop12h 05mCathay Pacific
Tue 1-912:15SEA - HKG
Nonstop13h 30mCathay Pacific
Deal found 3-12HK$72,682
Tue 2-613:30HKG - SEA
Nonstop12h 05mCathay Pacific
Mon 7-912:15SEA - HKG
Nonstop13h 30mCathay Pacific
Deal found 3-12HK$74,138
Last-minute flights from Hong Kong to Seattle
Discover last-minute flight deals from Hong Kong to Seattle. Data last updated 5 December 2025 and is based on user searches.
Thu 4-1218:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Wed 31-1221:30SEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 2-12HK$4,825
Mon 8-1222:45HKG - SEA
1 stop35h 55mMultiple Airlines
Mon 19-111:00SEA - HKG
1 stop20h 10mMultiple Airlines
Deal found 3-12HK$4,981
Mon 8-1222:45HKG - SEA
1 stop35h 55mMultiple Airlines
Tue 6-107:15SEA - HKG
2 stops23h 55mMultiple Airlines
Deal found 3-12HK$5,012
Tue 16-1213:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Tue 13-121:30SEA - HKG
1 stop28h 25mPhilippine Airlines
Deal found 3-12HK$4,670
Wed 24-1211:25HKG - SEA
1 stop20h 59mUnited Airlines
Sat 17-106:03SEA - HKG
1 stop21h 17mUnited Airlines
Deal found 3-12HK$4,872
Tue 13-113:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Thu 2-423:10SEA - HKG
1 stop19h 55mPhilippine Airlines
Deal found 3-12HK$5,043
Sat 17-120:25HKG - SEA
1 stop14h 51mAir Canada
Sat 24-115:40SEA - HKG
1 stop35h 00mAir Canada
Deal found 2-12HK$4,405
Sun 18-120:25HKG - SEA
1 stop14h 51mAir Canada
Sun 25-105:50SEA - HKG
1 stop20h 50mAir Canada
Deal found 4-12HK$4,421
Wed 21-113:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Thu 29-121:30SEA - HKG
1 stop20h 45mPhilippine Airlines
Deal found 4-12HK$4,646
Wed 21-110:15HKG - SEA
2 stops37h 50mHainan Airlines
Thu 29-110:05SEA - HKG
2 stops36h 45mHainan Airlines
Deal found 4-12HK$5,105
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 5 December 2025.
Wed 10-1222:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 3-12HK$2,631
Tue 16-1213:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 2-12HK$2,638
Wed 4-213:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 5-12HK$2,646
Wed 1-411:30HKG - SEA
1 stop23h 35mPhilippine Airlines
Deal found 3-12HK$2,654
Fri 13-313:40HKG - SEA
1 stop21h 00mPhilippine Airlines
Deal found 3-12HK$2,716
Fri 19-1218:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 2-12HK$2,740
Thu 12-318:55HKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 3-12HK$2,763
Tue 3-311:15HKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 2-12HK$2,856
Mon 16-322:45HKG - SEA
1 stop35h 55mPhilippine Airlines
Deal found 3-12HK$2,864
Wed 17-1211:15HKG - SEA
1 stop23h 25mPhilippine Airlines
Deal found 2-12HK$2,872
Find 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 5 December 2025.
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 5 December 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 10-3
13:40-19:40
1 stop21h 00m
Seattle/Tacoma Intl
Thu 18-6
23:10-10:05
1 stop19h 55m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sun 8-3
11:15-18:40
1 stop23h 25m
Seattle/Tacoma Intl
Sun 14-6
23:10-10:05
1 stop19h 55m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Thu 12-3
11:15-19:40
1 stop23h 25m
Seattle/Tacoma Intl
Sun 14-6
23:10-10:05
1 stop19h 55m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sat 14-3
22:45-19:40
1 stop35h 55m
Seattle/Tacoma Intl
Fri 19-6
23:10-10:05
1 stop19h 55m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 13-3
18:55-19:40
1 stop15h 45m
Seattle/Tacoma Intl
Sun 14-6
23:10-17:15
1 stop27h 05m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sat 14-3
22:45-19:40
1 stop35h 55m
Seattle/Tacoma Intl
Thu 18-6
23:10-17:15
1 stop27h 05m
HK$4,662
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 24-12
11:25-18:45
2 stops23h 20m
Seattle/Tacoma Intl
Sat 17-1
12:35-07:00
2 stops26h 25m
HK$4,872
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 26-12
20:25-09:31
1 stop29h 06m
Seattle/Tacoma Intl
Sat 17-1
05:50-18:40
1 stop20h 50m
HK$4,872
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Wed 21-1
11:25-21:12
2 stops25h 47m
Seattle/Tacoma Intl
Thu 29-1
17:10-06:45
1 stop21h 35m
HK$4,872
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Fri 26-12
22:45-23:57
1 stop17h 12m
Seattle/Tacoma Intl
Sat 17-1
12:35-07:00
2 stops26h 25m
HK$4,872
Flights are sorted by cheapest return flights first.
Deals found on 4-12
Showing 1-10 of 20 results
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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
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 28 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 16 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$4,140). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,090). 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 5 December 2025.
It’s typically best to fly out from Hong Kong to Seattle at midday. Doing so could potentially save you 25% 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 5 December 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.
Starlux Airlines was amazing. No complaints on anything with them
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$4,662. Airlines will cover a distance of 10435 km.
What are the cheapest airlines flying from Hong Kong to Seattle round-trip?
According to our current data, Air Canada (HK$4,776), 星宇航空 (HK$4,947), and China Airlines (HK$5,015) offers the cheapest pricing from Hong Kong to Seattle. Air Canada is priced at 28% 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$3,555 is the cheapest one-way deal found within the past few days, from EVA Air. You may also be able to find cheap deals on United Airlines and ANA, with prices starting from HK$3,698 and HK$4,140, respectively.
What are the cheapest flights from Hong Kong to Seattle?
While on average a flight from Hong Kong to Seattle is generally HK$7,998, our data shows the cheapest flight currently is HK$5,096. When looking at the most popular route, (Hong Kong Intl - Seattle/Tacoma Intl), you can expect to pay HK$4,296 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$4,140). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,090). 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 5 December 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.
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