Cheap flights from Hong Kong to Seattle from HK$3,113
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 10-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — SEA
27 Aug — 3 Sep1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Hong Kong Intl to Seattle/Tacoma Intl are usually found in January or November, booked 90 days in advance, depart on a Thursday or Wednesday and return on a Tuesday
Cheap flight deals from Hong Kong to Seattle
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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 28 July 2026.
Sat 12-909:45
HKG
-
SEA
1 stop28h 02m
Air Canada
Sat 19-915:00
SEA
-
HKG
1 stop23h 15m
Air Canada
Deal found 26-7HK$3,937
Sat 3-1019:45
HKG
-
SEA
2 stops41h 57m
Multiple Airlines
Wed 20-115:15
SEA
-
HKG
1 stop21h 55m
Multiple Airlines
Deal found 27-7HK$3,960
Mon 16-1100:55
HKG
-
SEA
2 stops33h 27m
Air Canada
Wed 20-108:15
SEA
-
HKG
1 stop28h 55m
Air Canada
Deal found 24-7HK$3,984
Mon 30-1100:55
HKG
-
SEA
2 stops48h 32m
Air Canada
Mon 11-119:05
SEA
-
HKG
1 stop18h 05m
Air Canada
Deal found 24-7HK$4,015
Tue 15-900:45
HKG
-
SEA
2 stops37h 02m
Multiple Airlines
Mon 21-905:50
SEA
-
HKG
2 stops26h 40m
Multiple Airlines
Deal found 24-7HK$4,039
Tue 13-1000:45
HKG
-
SEA
2 stops28h 37m
Multiple Airlines
Fri 22-108:15
SEA
-
HKG
2 stops22h 25m
Multiple Airlines
Deal found 27-7HK$4,046
Mon 12-1000:45
HKG
-
SEA
2 stops48h 07m
Air Canada
Fri 22-108:15
SEA
-
HKG
1 stop28h 55m
Air Canada
Deal found 27-7HK$4,125
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 28 July 2026.
Sat 17-1022:30
HKG
-
SEA
1 stop26h 33m
United Airlines
Sat 24-1006:30
SEA
-
HKG
1 stop21h 45m
United Airlines
Deal found 26-7HK$4,682
Sun 24-115:30
HKG
-
SEA
1 stop18h 40m
EVA Air
Tue 8-602:10
SEA
-
HKG
1 stop16h 55m
EVA Air
Deal found 23-7HK$5,505
Tue 13-1011:45
HKG
-
SEA
1 stop17h 32m
United Airlines
Wed 21-1016:35
SEA
-
HKG
2 stops35h 20m
United Airlines
Deal found 27-7HK$4,682
Tue 15-921:45
HKG
-
SEA
1 stop28h 39m
United Airlines
Mon 21-907:11
SEA
-
HKG
1 stop20h 44m
United Airlines
Deal found 26-7HK$4,682
Sat 21-1110:35
HKG
-
SEA
1 stop17h 45m
United Airlines
Wed 6-112:15
SEA
-
HKG
1 stop39h 00m
United Airlines
Deal found 26-7HK$4,972
Mon 7-911:45
HKG
-
SEA
1 stop21h 44m
United Airlines
Mon 14-916:30
SEA
-
HKG
1 stop22h 10m
United Airlines
Deal found 24-7HK$4,980
Thu 3-921:45
HKG
-
SEA
2 stops29h 35m
United Airlines
Mon 7-910:55
SEA
-
HKG
1 stop27h 05m
United Airlines
Deal found 25-7HK$5,050
Mon 31-811:45
HKG
-
SEA
1 stop41h 39m
United Airlines
Fri 11-909:00
SEA
-
HKG
1 stop18h 55m
United Airlines
Deal found 24-7HK$6,799
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 28 July 2026.
Tue 15-913:25
HKG
-
SEA
Nonstop11h 55m
Cathay Pacific
Mon 21-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 25-7HK$6,650
Tue 13-1013:25
HKG
-
SEA
Nonstop11h 40m
Cathay Pacific
Wed 21-1011:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 27-7HK$6,666
Wed 9-913:25
HKG
-
SEA
Nonstop11h 55m
Cathay Pacific
Wed 23-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 28-7HK$6,673
Wed 16-913:25
HKG
-
SEA
Nonstop11h 40m
Cathay Pacific
Mon 21-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 24-7HK$6,689
Wed 16-913:25
HKG
-
SEA
Nonstop11h 40m
Cathay Pacific
Tue 29-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 27-7HK$6,713
Wed 16-913:25
HKG
-
SEA
Nonstop11h 40m
Cathay Pacific
Wed 30-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 26-7HK$7,160
Tue 1-1213:30
HKG
-
SEA
Nonstop11h 40m
American Airlines
Mon 11-110:50
SEA
-
HKG
Nonstop13h 55m
American Airlines
Deal found 24-7HK$7,599
Mon 7-913:25
HKG
-
SEA
Nonstop11h 55m
Cathay Pacific
Mon 14-912:25
SEA
-
HKG
Nonstop13h 20m
Cathay Pacific
Deal found 24-7HK$7,646
Wed 14-1013:25
HKG
-
SEA
Nonstop11h 40m
Multiple Airlines
Wed 20-110:50
SEA
-
HKG
Nonstop13h 55m
Multiple Airlines
Deal found 27-7HK$7,756
Thu 3-913:25
HKG
-
SEA
Nonstop11h 55m
Cathay Pacific
Mon 7-912:25
SEA
-
HKG
Nonstop13h 20m
Cathay Pacific
Deal found 26-7HK$7,803
Thu 10-913:25
HKG
-
SEA
Nonstop11h 55m
Cathay Pacific
Thu 17-911:45
SEA
-
HKG
Nonstop14h 00m
Cathay Pacific
Deal found 27-7HK$7,865
Last-minute flights from Hong Kong to Seattle
Discover last-minute flight deals from Hong Kong to Seattle. Data last updated 28 July 2026 and is based on user searches.
Wed 19-811:45
HKG
-
SEA
1 stop26h 41m
United Airlines
Thu 22-1018:43
SEA
-
HKG
1 stop32h 47m
United Airlines
Deal found 28-7HK$7,175
Tue 25-817:55
HKG
-
SEA
1 stop34h 42m
Delta
Wed 28-1017:45
SEA
-
HKG
1 stop21h 55m
Delta
Deal found 28-7HK$6,791
Tue 25-809:25
HKG
-
SEA
1 stop26h 05m
Delta
Sat 21-1117:57
SEA
-
HKG
1 stop21h 43m
Delta
Deal found 28-7HK$6,814
Fri 28-817:55
HKG
-
SEA
1 stop34h 42m
Delta
Sat 31-1009:45
SEA
-
HKG
1 stop29h 55m
Delta
Deal found 28-7HK$6,752
Sun 30-812:20
HKG
-
SEA
1 stop16h 17m
Delta
Thu 19-1121:20
SEA
-
HKG
1 stop42h 20m
Delta
Deal found 28-7HK$6,799
Sun 30-809:25
HKG
-
SEA
1 stop27h 20m
Delta
Wed 28-1013:40
SEA
-
HKG
1 stop18h 30m
Delta
Deal found 28-7HK$6,869
Mon 31-821:45
HKG
-
SEA
1 stop36h 15m
EVA Air
Tue 10-1123:30
SEA
-
HKG
1 stop22h 50m
EVA Air
Deal found 27-7HK$5,505
Mon 31-823:55
HKG
-
SEA
1 stop29h 30m
United Airlines
Sat 7-1112:20
SEA
-
HKG
2 stops26h 25m
United Airlines
Deal found 28-7HK$5,724
Mon 31-821:45
HKG
-
SEA
1 stop36h 15m
EVA Air
Fri 30-1001:10
SEA
-
HKG
1 stop18h 00m
EVA Air
Deal found 28-7HK$5,881
Mon 31-821:45
HKG
-
SEA
1 stop36h 15m
EVA Air
Sat 21-1123:30
SEA
-
HKG
1 stop20h 20m
EVA Air
Deal found 28-7HK$6,705
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 28 July 2026.
Thu 10-911:20
HKG
-
SEA
1 stop19h 50m
星宇航空
Deal found 27-7HK$3,113
Sat 24-1010:30
HKG
-
SEA
2 stops23h 02m
Multiple Airlines
Deal found 23-7HK$3,207
Tue 15-911:20
HKG
-
SEA
1 stop19h 50m
星宇航空
Deal found 27-7HK$3,223
Wed 2-911:20
HKG
-
SEA
1 stop19h 50m
星宇航空
Deal found 24-7HK$3,239
Tue 1-911:20
HKG
-
SEA
1 stop19h 50m
星宇航空
Deal found 24-7HK$3,254
Mon 14-920:10
HKG
-
SEA
1 stop35h 00m
星宇航空
Deal found 27-7HK$3,294
Tue 24-1119:40
HKG
-
SEA
1 stop13h 50m
EVA Air
Deal found 26-7HK$3,341
Mon 31-821:45
HKG
-
SEA
1 stop36h 15m
EVA Air
Deal found 27-7HK$3,348
Tue 24-1114:05
HKG
-
SEA
1 stop20h 05m
China Airlines
Deal found 26-7HK$3,372
Thu 24-1215:45
HKG
-
SEA
1 stop15h 20m
Multiple Airlines
Deal found 26-7HK$3,380
Mon 11-111:15
HKG
-
SEA
1 stop19h 50m
星宇航空
Deal found 26-7HK$3,395
Thu 3-908:35
HKG
-
SEA
1 stop22h 35m
Multiple Airlines
Deal found 24-7HK$3,403
Find 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 28 July 2026.
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 28 July 2026.
Use the filters below to find and compare flights from Hong Kong to Seattle that are best for you.
Fly from
Fly to
Route
Departure
Return
Price
Cheapest return flight
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sat 17-10
22:30-10:03
1 stop26h 33m
Seattle/Tacoma Intl
Sat 24-10
06:30-19:15
1 stop21h 45m
HK$4,682
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Tue 13-10
11:45-14:17
1 stop17h 32m
Seattle/Tacoma Intl
Wed 21-10
16:35-18:55
2 stops35h 20m
HK$4,682
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Tue 15-9
21:45-11:24
1 stop28h 39m
Seattle/Tacoma Intl
Mon 21-9
07:11-18:55
1 stop20h 44m
HK$4,682
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sat 21-11
10:35-12:20
1 stop17h 45m
Seattle/Tacoma Intl
Wed 6-1
12:15-19:15
1 stop39h 00m
HK$4,972
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Mon 7-9
11:45-18:29
1 stop21h 44m
Seattle/Tacoma Intl
Mon 14-9
16:30-05:40
1 stop22h 10m
HK$4,980
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Thu 3-9
21:45-12:20
2 stops29h 35m
Seattle/Tacoma Intl
Mon 7-9
10:55-05:00
1 stop27h 05m
HK$5,050
Fastest return journey
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sun 24-1
15:30-18:10
1 stop18h 40m
Seattle/Tacoma Intl
Tue 8-6
02:10-10:05
1 stop16h 55m
HK$5,505
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Mon 31-8
11:45-14:24
1 stop41h 39m
Seattle/Tacoma Intl
Fri 11-9
09:00-18:55
1 stop18h 55m
HK$6,799
Cheapest one-way
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Thu 10-9
21:45-14:24
2 stops31h 39m
HK$3,803
Hong KongSeattle
HKG - SEA
HKGSEA
Hong Kong Intl
Sat 12-9
22:30-11:57
2 stops28h 27m
HK$3,803
Flights are sorted by cheapest return flights first.
Deals found on 27-7
Showing 1-10 of 19 resultsSorted by cheapest first
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.
HKG-SEA
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
Prices
Delays
More
How far ahead should I book a flight from Hong Kong to Seattle?
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 89 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, January is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$5,027). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,567). 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 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 28 July 2026.
When flying from Hong Kong to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost for a return flight from Hong Kong to Seattle?
Airfare is below average for this route at the moment.
Hong Kong to Seattle flights typically cost between HK$7,269 and HK$8,061 in September.The cheapest return price found within the last 5 days was HK$3,937 on Air Canada (12 Sept–19 Sept).
How often are flights from Hong Kong to Seattle delayed?
About 18% of weekly flights between Hong Kong and Seattle have experienced delays in the past year, with the average delay time being 99 minutes.
What is the most punctual flight time for Hong Kong to Seattle flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Hong Kong to Seattle flights?
Over the past year, Cathay Pacific have had the lowest number of delays on this route, with just 18% of flights being delayed.
What’s the top stopover airport for flights from Hong Kong to Seattle?
Share of one-stop return flights from Hong Kong to Seattle chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Taipei City (TPE) – chosen by Cheapflights users on 75% of one-stop itineraries from Hong Kong to Seattle on Cheapflights.
What’s the cheapest stopover airport for flights from Hong Kong to Seattle?
Average return fare for one-stop flights from Hong Kong to Seattle, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Manila (MNL) is the most affordable one-stop option, with an average return flight price of HK$4,878.
What’s the fastest stopover option from Hong Kong to Seattle?
Shortest average travel time for one-stop one-way flights from Hong Kong to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Vancouver (YVR) have the shortest average one-way travel time for one-stop routes: 15h 01m.
Which airport typically offers the quickest stopover for flights from Hong Kong to Seattle?
Average stopover duration for one-stop one-way flights from Hong Kong to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 27m.
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 28 July 2026.
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.
Great value for a coach ticket. Fantastic leg room for a 6’3”” man.
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 airports do I use to fly from Hong Kong to Seattle?
You will need to book a flight from Hong Kong Intl to Seattle/Tacoma Intl if you want to fly from Hong Kong to Seattle. At least 6 different airlines have flights from Hong Kong Intl (HKG) to Seattle/Tacoma Intl (SEA) on a regular basis. There are 2 flights to Seattle from the Hong Kong airport per day. If you manage to book one that is nonstop, then you can expect the flight time from HKG to SEA to be around 11h 40m.
How popular is this Hong Kong to Seattle flight route?
The Hong Kong Intl to Seattle/Tacoma Intl flight path was viewed by 8 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Hong Kong to Seattle?
A quick flight from Hong Kong to Seattle can take about 17h 32m. United Airlines provides one of the quickest options available for as low as HK$4,642. 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$3,115), China Airlines (HK$4,806), and United Airlines (HK$4,905) offers the cheapest pricing from Hong Kong to Seattle. Air Canada is priced at 49% lower than the current average price of a flight leaving 3 months from now.
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, January is the cheapest month in which you can book a flight from Hong Kong to Seattle (average of HK$5,027). Flying from Hong Kong to Seattle in August is currently the most expensive (average of HK$7,567). 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.
Book flights to Seattle if you plan to visit one of these locations
Shoreline
Edmonds
SeaTac
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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 28 July 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 July 2026.
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 28 July 2026.
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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