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£246 Cheap Flights from Hong Kong (HKG) to Seattle (SEA)

View £246 flight on Sat, 12 Sept 2026Opens in a new window

Popular airlines from Hong Kong International Airport (HKG) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Hong Kong (HKG) to Seattle (SEA)

Prices were available within the past 7 days and start at £246 for one-way flights and £394 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Sat, 12 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
£394 Return, found 5 days ago
£394
Return
found 5 days ago
Select Cathay Pacific flight, departing Sat, 12 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at £394 found 5 days ago
Air Canada
Sat, 12 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
£401 Return, found 5 days ago
£401
Return
found 5 days ago
Select Air Canada flight, departing Sat, 12 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at £401 found 5 days ago
United
Fri, 9 Oct - Tue, 27 Oct
HKG
Hong Kong SAR
SEA
Seattle
£449 Return, found 5 days ago
£449
Return
found 5 days ago
Select United flight, departing Fri, 9 Oct from Hong Kong SAR to Seattle, returning Tue, 27 Oct, priced at £449 found 5 days ago
Delta
Fri, 9 Oct - Tue, 27 Oct
HKG
Hong Kong SAR
SEA
Seattle
£537 Return, found 5 days ago
£537
Return
found 5 days ago
Select Delta flight, departing Fri, 9 Oct from Hong Kong SAR to Seattle, returning Tue, 27 Oct, priced at £537 found 5 days ago
China Airlines
Sat, 10 Oct - Wed, 28 Oct
HKG
Hong Kong SAR
SEA
Seattle
£563 Return, found 5 days ago
£563
Return
found 5 days ago
Select China Airlines flight, departing Sat, 10 Oct from Hong Kong SAR to Seattle, returning Wed, 28 Oct, priced at £563 found 5 days ago
EVA Airways
Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
£563 Return, found 2 days ago
£563
Return
found 2 days ago
Select EVA Airways flight, departing Thu, 10 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at £563 found 2 days ago
Asiana Airlines
Thu, 10 Sept - Wed, 16 Sept
HKG
Hong Kong SAR
SEA
Seattle
£583 Return, found 2 days ago
£583
Return
found 2 days ago
Select Asiana Airlines flight, departing Thu, 10 Sept from Hong Kong SAR to Seattle, returning Wed, 16 Sept, priced at £583 found 2 days ago
Philippine Airlines
Tue, 2 Feb - Mon, 8 Feb
HKG
Hong Kong SAR
SEA
Seattle
£609 Return, found 5 days ago
£609
Return
found 5 days ago
Select Philippine Airlines flight, departing Tue, 2 Feb from Hong Kong SAR to Seattle, returning Mon, 8 Feb, priced at £609 found 5 days ago
All Nippon Airways
Tue, 1 Sept - Mon, 7 Sept
HKG
Hong Kong SAR
SEA
Seattle
£636 Return, found 2 days ago
£636
Return
found 2 days ago
Select All Nippon Airways flight, departing Tue, 1 Sept from Hong Kong SAR to Seattle, returning Mon, 7 Sept, priced at £636 found 2 days ago
Cathay Pacific
Wed, 28 Oct - Wed, 4 Nov
HKG
Hong Kong SAR
SEA
Seattle
£647 Return, found 4 days ago
£647
Return
found 4 days ago
Select Cathay Pacific flight, departing Wed, 28 Oct from Hong Kong SAR to Seattle, returning Wed, 4 Nov, priced at £647 found 4 days ago

Frequently asked questions

How much does a flight from Hong Kong (HKG) to Seattle, WA (SEA) cost?
You can find one-way and return flights from Hong Kong (HKG) to Seattle, WA (SEA) with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when HKG to SEA ticket fares go up or down.
What is the cheapest month to fly from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you're looking for the cheapest time to fly from Hong Kong (HKG) to Seattle, WA (SEA), November is typically your best bet. You can expect average return fares around £576 during this month. Other budget-friendly months to consider for this route include March and September.
Which airlines fly direct from Hong Kong (HKG) to Seattle, WA (SEA)?
Enter HKG to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Cathay Pacific offers early morning flights. If price is the most important factor, Cathay Pacific typically offers the lowest fares. Cathay Pacific offers the most daily flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The cheapest months to fly from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are typically November and September, with average return flights around £576. However, the most popular months for this route are April and March, which means you'll find plenty of flight options during these times. If you're looking for the best balance of good fares and a wide selection of flights, you might consider travelling in the shoulder seasons around these times.
How many flights per day from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 98 connecting flights per day from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Some common connection points include Taoyuan Intl. (TPE), Narita Intl. (NRT), and Incheon Intl. (ICN).
What is the earliest flight from Hong Kong (HKG) to Seattle, WA (SEA)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Hong Kong (HKG) to Seattle, WA (SEA). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll generally find the most flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Wednesday, with around 64 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Cathay Pacific, EVA Airways, and Hong Kong Airlines. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you choose to fly.
What are the most popular departure times for flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are between 12pm and 3pm. Many major carriers, including Cathay Pacific, All Nippon Airways and Korean Air, offer flights during this window. Many travellers prefer this time because it allows for a midday departure, giving you time in the morning before your flight and an evening arrival in Seattle.
How long does it take to fly from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Direct flights from HKG to SEA usually take about 11 hours 50 minutes, traveling roughly 10,441 kilometers. If you opt for a connecting flight, expect to add around 5 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You can fly business class or first class between HKG and SEA. Airlines that offer business class service on this route include:
  • Cathay Pacific
  • Air Canada
  • Lufthansa
  • Air France
  • Korean Air
  • China Eastern Airlines
  • KLM
  • British Airways
  • Hong Kong Airlines
  • Turkish Airlines
  • Qatar Airways
  • Asiana Airlines
  • Alaska Airlines
  • Philippine Airlines
  • Emirates
  • Starlux Airlines
  • Air China
  • Japan Airlines
  • All Nippon Airways
  • Air Japan Company
  • Delta
  • China Airlines
  • Singapore Airlines
  • Finnair
  • EVA Airways
First class cabins are available on Cathay Pacific and Emirates.
How do I earn miles on a Hong Kong (HKG) to Seattle, WA (SEA) flight with Expedia?
It's easy to earn miles on a Hong Kong (HKG) to Seattle, WA (SEA) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Hong Kong (HKG) to Seattle, WA (SEA) at the last minute?
Typically, booking a last minute flight from Hong Kong (HKG) to Seattle, WA (SEA) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Hong Kong (HKG) to Seattle, WA (SEA) flight and hotel package?
Securing a Hong Kong (HKG) to Seattle, WA (SEA) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Hong Kong (HKG-Hong Kong Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Hong Kong Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, EVA Airways, Emirates, Finnair, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, Singapore Airlines, Turkish Airlines
Return price
£394
Distance
10380 km
Average flight time
12 hours 55 mins

Book with confidence

Compare flights from Hong Kong to Seattle easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Hong Kong to Seattle. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Seattle - Tacoma Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Hong Kong Intl. to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Hong Kong Intl. (HKG) to Seattle - Tacoma Intl. (SEA)

The easiest way to view the best deals on flights from Hong Kong to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Hong Kong Intl. to Seattle - Tacoma Intl. start at just £394 and range up to £647.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Hong Kong and Seattle
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Hong Kong to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Hong Kong Intl. to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Hong Kong to Seattle easily and book with confidence

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*Available to Expedia members.