$281 Cheap Flights from Seattle (SEA) to Hong Kong (HKG)

View $281 flight on Sun, Feb 1, 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 to Hong Kong (SEA-HKG)

Prices were available within the past 7 days and start at $281 for one-way flights and $508 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, Feb 1 - Wed, Feb 25
SEA
Seattle
HKG
Hong Kong SAR
$508 Roundtrip, found 7 hours ago
$508
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Sun, Feb 1 from Seattle to Hong Kong SAR, returning Wed, Feb 25, priced at $508 found 7 hours ago
Asiana Airlines
Tue, Mar 17 - Wed, Mar 18
SEA
Seattle
HKG
Hong Kong SAR
$682 Roundtrip, found 5 hours ago
$682
Roundtrip
found 5 hours ago
Select Asiana Airlines flight, departing Tue, Mar 17 from Seattle to Hong Kong SAR, returning Wed, Mar 18, priced at $682 found 5 hours ago
Delta
Thu, Sep 11 - Thu, Dec 18
SEA
Seattle
HKG
Hong Kong SAR
$695 Roundtrip, found 4 days ago
$695
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Sep 11 from Seattle to Hong Kong SAR, returning Thu, Dec 18, priced at $695 found 4 days ago
Philippine Airlines
Thu, Mar 26 - Sun, Mar 29
SEA
Seattle
HKG
Hong Kong SAR
$699 Roundtrip, found 1 day ago
$699
Roundtrip
found 1 day ago
Select Philippine Airlines flight, departing Thu, Mar 26 from Seattle to Hong Kong SAR, returning Sun, Mar 29, priced at $699 found 1 day ago
United
Thu, Sep 25 - Wed, Oct 29
SEA
Seattle
HKG
Hong Kong SAR
$704 Roundtrip, found 5 days ago
$704
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 25 from Seattle to Hong Kong SAR, returning Wed, Oct 29, priced at $704 found 5 days ago
Korean Air
Thu, Aug 28 - Thu, Sep 4
SEA
Seattle
HKG
Hong Kong SAR
$706 Roundtrip, just found
$706
Roundtrip
just found
Select Korean Air flight, departing Thu, Aug 28 from Seattle to Hong Kong SAR, returning Thu, Sep 4, priced at $706 just found
All Nippon Airways
Mon, Aug 18 - Thu, Aug 28
SEA
Seattle
HKG
Hong Kong SAR
$725 Roundtrip, found 1 hour ago
$725
Roundtrip
found 1 hour ago
Select All Nippon Airways flight, departing Mon, Aug 18 from Seattle to Hong Kong SAR, returning Thu, Aug 28, priced at $725 found 1 hour ago
Japan Airlines
Sun, Sep 14 - Thu, Sep 25
SEA
Seattle
HKG
Hong Kong SAR
$786 Roundtrip, found 6 days ago
$786
Roundtrip
found 6 days ago
Select Japan Airlines flight, departing Sun, Sep 14 from Seattle to Hong Kong SAR, returning Thu, Sep 25, priced at $786 found 6 days ago
China Airlines
Mon, Sep 29 - Tue, Sep 30
SEA
Seattle
HKG
Hong Kong SAR
$799 Roundtrip, found 3 hours ago
$799
Roundtrip
found 3 hours ago
Select China Airlines flight, departing Mon, Sep 29 from Seattle to Hong Kong SAR, returning Tue, Sep 30, priced at $799 found 3 hours ago
Cathay Pacific
Mon, Sep 1 - Wed, Sep 17
SEA
Seattle
HKG
Hong Kong SAR
$807 Roundtrip, found 4 hours ago
$807
Roundtrip
found 4 hours ago
Select Cathay Pacific flight, departing Mon, Sep 1 from Seattle to Hong Kong SAR, returning Wed, Sep 17, priced at $807 found 4 hours ago

Find the cheapest month to fly from Seattle (SEA) to Chek Lap Kok (HKG)

September is typically the cheapest month to fly

From $544 - $978 per traveler.

Graph displaying average flight prices per month

Alternative airports near Chek Lap Kok

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

Select flight to Shenzhen Intl. SZX. Flights from $975
SZX
Shenzhen Intl.
Flights from $975
Flights from Seattle (SEA) to Hong Kong (HKG)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Canada, Air France, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Hainan Airlines, Japan Airlines, KLM, Korean Air, Lufthansa, Philippine Airlines, Qatar Airways, STARLUX Airlines, United
Roundtrip price
$508
Distance
6487 mi

Seattle to Hong Kong Flights

The cheapest times to fly from Seattle to Hong Kong

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Hong Kong are during the month of February. You can find some of the cheapest flights from Seattle to Hong Kong with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Hong Kong

Sunday is one of the best days to book for cheap flights from Seattle to Hong Kong: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Hong Kong

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Hong Kong in 2025. You can also book with separate airlines for your outbound and return journeys, from $281 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Hong Kong flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Hong Kong airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG) cost?
Discover the latest flight deals from SEA to HKG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SEA to HKG?
The cheapest flights from SEA to HKG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SEA to HKG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SEA to HKG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG)?
There are no daily nonstop flights available from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SEA to HKG?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG)?
To avoid potential delays on the Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG) last-minute?
Booking your flight from SEA to HKG just before your journey is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a SEA to HKG flight and hotel package?
Booking a SEA to HKG flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our extensive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG)?
If you booked your SEA to HKG flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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Seattle nearby Airports

Seattle Paine Field Intl. Airport

Seattle Paine Field Intl. Airport to Hong Kong
$781.51
*Available to One Key members.