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£284 Cheap Flights from Seattle (SEA) to Hong Kong (HKG)

View £284 flight on Wed, 19 Aug 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £284 for one-way flights and £506 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 16 Sept - Wed, 23 Sept
SEA
Seattle
HKG
Hong Kong SAR
£506 Return, found 4 days ago
£506
Return
found 4 days ago
Select Air Canada flight, departing Wed, 16 Sept from Seattle to Hong Kong SAR, returning Wed, 23 Sept, priced at £506 found 4 days ago
Hainan Airlines
Thu, 27 Aug - Mon, 7 Sept
SEA
Seattle
HKG
Hong Kong SAR
£633 Return, found 3 days ago
£633
Return
found 3 days ago
Select Hainan Airlines flight, departing Thu, 27 Aug from Seattle to Hong Kong SAR, returning Mon, 7 Sept, priced at £633 found 3 days ago
China Airlines
Wed, 11 Nov - Thu, 12 Nov
SEA
Seattle
HKG
Hong Kong SAR
£668 Return, found 3 days ago
£668
Return
found 3 days ago
Select China Airlines flight, departing Wed, 11 Nov from Seattle to Hong Kong SAR, returning Thu, 12 Nov, priced at £668 found 3 days ago
EVA Airways
Wed, 11 Nov - Thu, 12 Nov
SEA
Seattle
HKG
Hong Kong SAR
£714 Return, found 3 days ago
£714
Return
found 3 days ago
Select EVA Airways flight, departing Wed, 11 Nov from Seattle to Hong Kong SAR, returning Thu, 12 Nov, priced at £714 found 3 days ago
Korean Air
Thu, 27 Aug - Mon, 7 Sept
SEA
Seattle
HKG
Hong Kong SAR
£745 Return, found 3 days ago
£745
Return
found 3 days ago
Select Korean Air flight, departing Thu, 27 Aug from Seattle to Hong Kong SAR, returning Mon, 7 Sept, priced at £745 found 3 days ago
Philippine Airlines
Thu, 4 Feb - Thu, 18 Feb
SEA
Seattle
HKG
Hong Kong SAR
£757 Return, found 2 days ago
£757
Return
found 2 days ago
Select Philippine Airlines flight, departing Thu, 4 Feb from Seattle to Hong Kong SAR, returning Thu, 18 Feb, priced at £757 found 2 days ago
All Nippon Airways
Mon, 14 Sept - Mon, 21 Sept
SEA
Seattle
HKG
Hong Kong SAR
£759 Return, found 4 days ago
£759
Return
found 4 days ago
Select All Nippon Airways flight, departing Mon, 14 Sept from Seattle to Hong Kong SAR, returning Mon, 21 Sept, priced at £759 found 4 days ago
United
Wed, 19 Aug - Mon, 31 Aug
SEA
Seattle
HKG
Hong Kong SAR
£776 Return, found 6 days ago
£776
Return
found 6 days ago
Select United flight, departing Wed, 19 Aug from Seattle to Hong Kong SAR, returning Mon, 31 Aug, priced at £776 found 6 days ago
Qatar Airways
Tue, 6 Apr - Tue, 13 Apr
SEA
Seattle
HKG
Hong Kong SAR
£778 Return, found 4 hours ago
£778
Return
found 4 hours ago
Select Qatar Airways flight, departing Tue, 6 Apr from Seattle to Hong Kong SAR, returning Tue, 13 Apr, priced at £778 found 4 hours ago
Asiana Airlines
Tue, 5 Jan - Tue, 12 Jan
SEA
Seattle
HKG
Hong Kong SAR
£779 Return, found 4 hours ago
£779
Return
found 4 hours ago
Select Asiana Airlines flight, departing Tue, 5 Jan from Seattle to Hong Kong SAR, returning Tue, 12 Jan, priced at £779 found 4 hours ago

Airports in Hong Kong SAR

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hong Kong Intl. HKG. Cheapest option available. Flights from £649
HKG
Hong Kong Intl.
Cheapest
Flights from £649

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hong Kong (HKG-Hong Kong Intl.) cost?
You can find one-way and return flights from SEA to HKG 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 SEA to HKG ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hong Kong (HKG-Hong Kong Intl.)?
September is typically the cheapest month to fly from Seattle - Tacoma Intl. (SEA) to Hong Kong Intl. (HKG), with average return fares around £571. September often sees lower prices as it falls outside of peak holiday seasons, when travel demand tends to decrease. January and April are also good months to find deals on this route.
Which airlines fly direct from Seattle, WA (SEA) to Hong Kong (HKG)?
Enter SEA to HKG and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA) to Hong Kong (HKG)?
To find a cheap flight from Seattle, WA (SEA) to Hong Kong (HKG), 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 time to fly from Seattle, WA (SEA) to Hong Kong (HKG)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seattle, WA (SEA) to Hong Kong (HKG)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seattle, WA (SEA) to Hong Kong (HKG). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Hong Kong (HKG-Hong Kong Intl.)?
Flying nonstop from SEA to HKG takes around 14 hours, with the route covering approximately 10,441 kilometers. Flights with a layover typically take 5 hours 50 minutes longer than direct options. 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 Seattle, WA (SEA) to Hong Kong (HKG)?
Select the "Business class" and "First class" filters when looking for Seattle, WA (SEA) to Hong Kong (HKG) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA) to Hong Kong (HKG) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Hong Kong (HKG) 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 Seattle, WA (SEA) to Hong Kong (HKG) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Hong Kong (HKG) 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 Seattle, WA (SEA) to Hong Kong (HKG) flight and hotel package?
Securing a Seattle, WA (SEA) to Hong Kong (HKG) 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 Seattle, WA (SEA) to Hong Kong (HKG)?
If you booked your Seattle, WA (SEA) to Hong Kong (HKG) 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
Seattle - Tacoma Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Canada, Air France, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Japan Airlines, KLM, Korean Air, Lufthansa, Qatar Airways, Singapore Airlines, Turkish Airlines, United
Return price
£505
Distance
10380 km
Average flight time
12 hours 20 mins

Book with confidence

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

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

The easiest way to view the best deals on flights from Seattle to Hong Kong 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 Seattle - Tacoma Intl. to Hong Kong Intl. start at just £506 and range up to £779.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Hong Kong
  • 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 Seattle to Hong Kong flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Hong Kong 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 Seattle to Hong Kong easily and book with confidence

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