Find the cheapest flights from Seattle to Hong Kong
Cheap return flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customise your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.United Airlines flights from Seattle to Hong Kong
Our best United Airlines deals on Seattle to Hong Kong flight tickets
Korean Air flights from Seattle to Hong Kong
Our best Korean Air deals on Seattle to Hong Kong flight tickets
momondo Fare Finder
Use the filters below to find and compare flights from Seattle to Hong Kong that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Mon 1/2
9:30-7:25
1 stop29h 55m
Hong Kong Intl
Sun 7/2
0:55-11:50
1 stop26h 55m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Wed 27/1
9:30-7:40
1 stop30h 10m
Hong Kong Intl
Wed 10/2
10:45-13:00
1 stop18h 15m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Sun 31/1
19:28-19:20
1 stop31h 52m
Hong Kong Intl
Sun 28/2
14:20-20:48
2 stops46h 28m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Sun 31/1
19:59-23:10
2 stops35h 11m
Hong Kong Intl
Sun 7/2
18:10-14:10
1 stop36h 00m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Sun 31/1
19:59-23:10
2 stops35h 11m
Hong Kong Intl
Tue 9/2
0:55-16:50
2 stops31h 55m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Sat 30/1
17:55-7:40
1 stop21h 45m
Hong Kong Intl
Sun 7/2
18:10-11:50
1 stop33h 40m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Fri 29/1
12:40-23:10
1 stop18h 30m
Hong Kong Intl
Thu 11/2
12:35-11:50
1 stop15h 15m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Fri 22/1
7:00-19:20
1 stop20h 20m
Hong Kong Intl
Thu 15/4
14:45-14:25
1 stop14h 40m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Thu 28/1
0:10-16:50
1 stop24h 40m
Hong Kong Intl
Sun 30/5
12:20-10:40
1 stop37h 20m
SeattleHong Kong
SEA Seattle/Tacoma Intl - HKG Hong Kong Intl
SEAHKG
Seattle/Tacoma Intl
Mon 26/10
1:10-20:10
1 stop28h 00m
Hong Kong Intl
Thu 29/10
20:05-19:10
1 stop14h 05m
See travel insights to Hong Kong from
How to get the cheapest flight ticket from Seattle to Hong Kong
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Hong Kong?
Prices are currently typical for flights on this route.
Typical prices usually range from R12 556 to R17 012.The lowest price recently found on this route was R13 467.
What is the cheapest month to fly to Hong Kong?
In general, March is the cheapest month to fly from Seattle to Hong Kong. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R11 628. If you’re not able to fly to Hong Kong in March, then January is your next best option. Flight prices from Seattle to Hong Kong during January average around R12 241.
What is the cheapest Seattle/Tacoma Intl to Hong Kong Intl flight route?
Fly from Seattle/Tacoma Intl to Hong Kong Intl for the best Seattle/Tacoma Intl - Hong Kong Intl flight prices
How far in advance should I book a flight from Seattle to Hong Kong?
You are more likely to see cheaper flights to Hong Kong from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around R15 483 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from Seattle for as low as R11 893 on momondo.
What cabin class options are available on Seattle to Hong Kong flights?
There is only 1 cabin class available to choose from on Seattle to Hong Kong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How often are flights from Seattle to Hong Kong delayed?
Historically, on average around 48% of flights between Seattle and Hong Kong have experienced a delay on any given week. The average delay length over the past 12 months has been 147 minutes.
What is the most punctual flight time for Seattle to Hong Kong flights?
Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the morning have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Seattle to Hong Kong flights?
According to our data, Cathay Pacific have had the fewest delays on this route over the last 12 months, with about 48% of their flights experiencing any sort of delay.
How many flights depart from Seattle to Hong Kong on average per day?
As of October 2026, there are 2 flights per day flying from Seattle to Hong Kong. The most common time of day flights depart is 11:00, with 100% of flights taking off at midday.
How many flights depart from Seattle to Hong Kong on average per week?
15 flights are operational weekly from Seattle to Hong Kong as of October 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.
When to book flights from Seattle to Hong Kong
Cheap Seattle to Hong Kong (SEA to HKG) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Hong Kong
Frequently asked questions about flying from Seattle to Hong Kong
How far is Seattle/Tacoma Intl to Hong Kong Intl by plane?
Hong Kong Intl is 10405,1 km away from Seattle/Tacoma Intl.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport refresh daily.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Hong Kong Intl Airport.
What documentation or ID do you need to fly to Hong Kong Intl Airport?
The necessary travel and health documents for your Hong Kong Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Hong Kong?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Hong Kong is Airbus A350-900 (49,32% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (28,34%), Boeing 787-10 Dreamliner (10,90%), and Boeing 777-200/200ER (3,27%).
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Hong Kong?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Hong Kong for you.
Can I find flights from Seattle to Hong Kong with flexible booking policies on momondo?
Yes. All flights to Hong Kong from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Seattle to Hong Kong?
momondo helps you find the best flight between Seattle and Hong Kong by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Hong Kong right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Hong Kong now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Hong Kong and let you know when they change.