$330 Cheap Flights from Seattle (SEA) to Hong Kong (HKG)

View $330 flight on Wed, Oct 22, 2025Opens 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 $330 for one-way flights and $642 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Mon, Feb 2 - Wed, Feb 4
SEA
Seattle
HKG
Hong Kong SAR
$642 Roundtrip, found 2 days ago
$642
Roundtrip
found 2 days ago
Select Japan Airlines flight, departing Mon, Feb 2 from Seattle to Hong Kong SAR, returning Wed, Feb 4, priced at $642 found 2 days ago
Philippine Airlines
Sun, Mar 22 - Wed, Mar 25
SEA
Seattle
HKG
Hong Kong SAR
$656 Roundtrip, just found
$656
Roundtrip
just found
Select Philippine Airlines flight, departing Sun, Mar 22 from Seattle to Hong Kong SAR, returning Wed, Mar 25, priced at $656 just found
Asiana Airlines
Thu, Aug 20 - Fri, Aug 21
SEA
Seattle
HKG
Hong Kong SAR
$682 Roundtrip, found 16 hours ago
$682
Roundtrip
found 16 hours ago
Select Asiana Airlines flight, departing Thu, Aug 20 from Seattle to Hong Kong SAR, returning Fri, Aug 21, priced at $682 found 16 hours ago
Air Canada
Sat, Feb 14 - Wed, Feb 25
SEA
Seattle
HKG
Hong Kong SAR
$695 Roundtrip, found 1 day ago
$695
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Feb 14 from Seattle to Hong Kong SAR, returning Wed, Feb 25, priced at $695 found 1 day ago
Korean Air
Mon, Nov 10 - Wed, Nov 26
SEA
Seattle
HKG
Hong Kong SAR
$702 Roundtrip, found 21 hours ago
$702
Roundtrip
found 21 hours ago
Select Korean Air flight, departing Mon, Nov 10 from Seattle to Hong Kong SAR, returning Wed, Nov 26, priced at $702 found 21 hours ago
Delta
Mon, Nov 24 - Wed, Dec 10
SEA
Seattle
HKG
Hong Kong SAR
$704 Roundtrip, just found
$704
Roundtrip
just found
Select Delta flight, departing Mon, Nov 24 from Seattle to Hong Kong SAR, returning Wed, Dec 10, priced at $704 just found
United
Mon, Nov 24 - Wed, Dec 10
SEA
Seattle
HKG
Hong Kong SAR
$704 Roundtrip, just found
$704
Roundtrip
just found
Select United flight, departing Mon, Nov 24 from Seattle to Hong Kong SAR, returning Wed, Dec 10, priced at $704 just found
Hainan Airlines
Thu, Nov 20 - Wed, Dec 10
SEA
Seattle
HKG
Hong Kong SAR
$725 Roundtrip, found 11 hours ago
$725
Roundtrip
found 11 hours ago
Select Hainan Airlines flight, departing Thu, Nov 20 from Seattle to Hong Kong SAR, returning Wed, Dec 10, priced at $725 found 11 hours ago
All Nippon Airways
Wed, Oct 22 - Tue, Nov 18
SEA
Seattle
HKG
Hong Kong SAR
$726 Roundtrip, just found
$726
Roundtrip
just found
Select All Nippon Airways flight, departing Wed, Oct 22 from Seattle to Hong Kong SAR, returning Tue, Nov 18, priced at $726 just found
Japan Airlines
Mon, Feb 2 - Wed, Feb 4
SEA
Seattle
HKG
Hong Kong SAR
$776 Roundtrip, found 5 days ago
$776
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Mon, Feb 2 from Seattle to Hong Kong SAR, returning Wed, Feb 4, priced at $776 found 5 days ago

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

September is typically the cheapest month to fly

From $491 - $970 per traveler.

Alternative airports near Chek Lap Kok

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

Select flight to Macau Intl. MFM. Flights from $979
MFM
Macau Intl.
Flights from $979
Select flight to Shenzhen Intl. SZX. Flights from $1,374
SZX
Shenzhen Intl.
Flights from $1,374

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG) cost?
Snag a cheap one-way flight from $330 or cheap return flight from $642 from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG)?
The cheapest month to fly from SEA to HKG is February, when demand is low. Off-peak months are often when better flight deals are available between these airports.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Hong Kong Intl. Airport (HKG)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SEA to HKG flight.
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.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Hong Kong Intl.
Airlines serving
Air Canada, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, EVA Airways, Emirates, Hainan Airlines, Japan Airlines, Korean Air, Philippine Airlines, Qatar Airways, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United
Roundtrip price
$641
Distance
6487 mi

Book with confidence

Book with confidence

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 $330 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.

 

Seattle to Hong Kong Flights
*Available to One Key members.