What is the cheapest airline that flies from Hong Kong to Seattle/Tacoma Intl?

Philippine Airlines, China Airlines, and United Airlines are the most popular carriers operating from Hong Kong to Seattle/Tacoma Intl

What airlines fly to Seattle?

EVA Air, Asiana Airlines and United Airlines are the top three most popular airlines that fly to Seattle from Hong Kong according to our data. EVA Air is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Hong Kong to Seattle/Tacoma Intl Airport?

Prices for flights from Hong Kong to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Hong Kong to Seattle/Tacoma Intl Airport?

There are 5 operators available for flights from Hong Kong to Seattle/Tacoma Intl Airport as of December 2025.

How old do you have to be to fly from Hong Kong to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma 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 license 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.

$337 Cheap Flights from Hong Kong to Seattle in 2025/26

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Find the cheapest flights from Hong Kong to Seattle

Round-trip

One-way

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Recent round-trip flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.

11:15 am - 6:40 pm

HKG

SEA

23h 25m1 stop

9:30 pm - 5:55 pm

SEA

HKG

28h 25m1 stop

$561Philippine Airlines

Fri, Feb 13 - Wed, Mar 4

11:30 am - 8:05 pm

HKG

SEA

23h 35m1 stop

11:10 pm - 10:05 am

SEA

HKG

19h 55m1 stop

$570Philippine Airlines

Thu, Jun 11 - Sun, Jul 5

11:15 am - 6:40 pm

HKG

SEA

23h 25m1 stop

9:30 pm - 10:15 am

SEA

HKG

20h 45m1 stop

$571Philippine Airlines

Fri, Feb 13 - Fri, Feb 20

1:40 pm - 7:40 pm

HKG

SEA

21h 00m1 stop

10:30 pm - 12:30 pm

SEA

HKG

23h 00m1 stop

$575Philippine Airlines

Fri, Mar 20 - Tue, Mar 24

1:40 pm - 7:40 pm

HKG

SEA

21h 00m1 stop

10:30 pm - 12:30 pm

SEA

HKG

23h 00m1 stop

$577Philippine Airlines

Fri, Mar 20 - Tue, Mar 24

6:15 pm - 8:05 pm

HKG

SEA

16h 50m1 stop

11:10 pm - 5:15 pm

SEA

HKG

27h 05m1 stop

$600Philippine Airlines

Tue, Jun 9 - Wed, Jul 15

8:05 pm - 6:10 pm

HKG

SEA

14h 05m1 stop

12:10 am - 9:15 am

SEA

HKG

17h 05m1 stop

$608China Airlines

Sun, Feb 22 - Sat, Mar 7

8:05 pm - 6:10 pm

HKG

SEA

14h 05m1 stop

12:10 am - 9:15 am

SEA

HKG

17h 05m1 stop

$609China Airlines

Sun, Feb 22 - Sat, Mar 7

12:55 am - 1:55 pm

HKG

SEA

29h 00m1 stop

12:10 am - 11:20 am

SEA

HKG

20h 10m1 stop

$613Multiple Airlines

Tue, Feb 10 - Sun, Mar 8

1:40 pm - 6:40 pm

HKG

SEA

21h 00m1 stop

9:30 pm - 12:30 pm

SEA

HKG

23h 00m1 stop

$619Philippine Airlines

Thu, Feb 12 - Thu, Feb 19

China Airlines flights from Hong Kong to Seattle

Our best China Airlines deals on Hong Kong to Seattle flight tickets

China Airlines

Feb 22

HKG8:05 pmHong Kong Intl

14h 05m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Mar 7

SEA12:10 amSeattle/Tacoma Intl

17h 05m

1 stop

HKG9:15 amHong Kong Intl

$608

Find similar

China Airlines

Feb 22

HKG8:05 pmHong Kong Intl

14h 05m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Mar 7

SEA12:10 amSeattle/Tacoma Intl

17h 05m

1 stop

HKG9:15 amHong Kong Intl

$609

Find similar

China Airlines

Feb 22

HKG8:05 pmHong Kong Intl

14h 05m

1 stop

SEA6:10 pmSeattle/Tacoma Intl

Mar 7

SEA12:10 amSeattle/Tacoma Intl

20h 50m

1 stop

HKG1:00 pmHong Kong Intl

$637

Find similar

United Airlines flights from Hong Kong to Seattle

Our best United Airlines deals on Hong Kong to Seattle flight tickets

United Airlines

Feb 11

HKG10:35 amHong Kong Intl

26h 40m

2 stops

SEA9:15 pmSeattle/Tacoma Intl

Feb 18

SEA7:29 pmSeattle/Tacoma Intl

19h 16m

1 stop

HKG6:45 amHong Kong Intl

$626

Find similar

United Airlines

Mar 20

HKG10:30 pmHong Kong Intl

15h 58m

1 stop

SEA11:28 pmSeattle/Tacoma Intl

Mar 23

SEA8:45 amSeattle/Tacoma Intl

31h 15m

1 stop

HKG7:00 amHong Kong Intl

$627

Find similar

United Airlines

Feb 7

HKG10:35 amHong Kong Intl

21h 09m

1 stop

SEA3:44 pmSeattle/Tacoma Intl

Feb 22

SEA7:15 amSeattle/Tacoma Intl

20h 05m

1 stop

HKG7:20 pmHong Kong Intl

$635

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 2/13

11:15 am-6:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-5:55 pm

1 stop28h 25m

$561

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 6/11

11:30 am-8:05 pm

1 stop23h 35m

Seattle/Tacoma Intl

Sun 7/5

11:10 pm-10:05 am

1 stop19h 55m

$570

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 2/13

11:15 am-6:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Fri 2/20

9:30 pm-10:15 am

1 stop20h 45m

$571

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3/20

1:40 pm-7:40 pm

1 stop21h 00m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-12:30 pm

1 stop23h 00m

$575

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3/20

1:40 pm-7:40 pm

1 stop21h 00m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-12:30 pm

1 stop23h 00m

$577

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 6/9

6:15 pm-8:05 pm

1 stop16h 50m

Seattle/Tacoma Intl

Wed 7/15

11:10 pm-5:15 pm

1 stop27h 05m

$600

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 2/22

8:05 pm-6:10 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sat 3/7

12:10 am-9:15 am

1 stop17h 05m

$608

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 2/22

8:05 pm-6:10 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sat 3/7

12:10 am-9:15 am

1 stop17h 05m

$609

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2/10

12:55 am-1:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sun 3/8

12:10 am-11:20 am

1 stop20h 10m

$613

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 2/12

1:40 pm-6:40 pm

1 stop21h 00m

Seattle/Tacoma Intl

Thu 2/19

9:30 pm-12:30 pm

1 stop23h 00m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hong Kong to Seattle

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

Prices

Airlines

What is the cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from Hong Kong to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $678. If you don’t want to visit Seattle in November, then you should wait until February to fly from Hong Kong, when ticket prices are also cheap, with an average price of $718.

What is the cheapest Hong Kong to Seattle/Tacoma Intl flight route?

Fly from Hong Kong Intl to Seattle/Tacoma Intl for the best Hong Kong - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $854 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Hong Kong for as low as $705 on momondo.

What cabin class options are available on Hong Kong to Seattle/Tacoma Intl flights?

There is only 1 cabin class available to choose from on Hong Kong to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Hong Kong to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hong Kong to Seattle

Fastest flight time	11h 40m
Direct flights	Tue, Wed, Thu, Fri and Sun
Airports in Seattle	1 airport

The fastest flight from Hong Kong to Seattle takes 11h 40m

Direct flights go from Hong Kong to Seattle on Tuesday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is Cathay Pacific.

There is 1 airport in Seattle. From Hong Kong there are direct flights to Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Hong Kong to Seattle/Tacoma Intl Airport?
Prices for flights from Hong Kong to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Hong Kong to Seattle/Tacoma Intl Airport?
There are 5 operators available for flights from Hong Kong to Seattle/Tacoma Intl Airport as of December 2025.
How old do you have to be to fly from Hong Kong to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Hong Kong to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma 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 license 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 Hong Kong to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Hong Kong to Seattle is Airbus A350-900 (50.00% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (25.00%) and Airbus A330-300 (25.00%).

Best airlines flying from Hong Kong to Seattle

Compare and see reviews for airlines that fly from Hong Kong to Seattle with momondo

Airline	Rating	Free Cancellation	Price
China Airlines	PriceFrom $605	Free Cancellation	Rating 8.3 796 reviews	Search China Airlines flights
Asiana Airlines	PriceFrom $632	Free Cancellation	Rating 8.2 502 reviews	Search Asiana Airlines flights
EVA Air	PriceFrom $723	Free Cancellation	Rating 8.4 1,304 reviews	Search EVA Air flights
United Airlines	PriceFrom $818	Free Cancellation	Rating 7.4 9,123 reviews	Search United Airlines flights
Delta	PriceFrom $834	Free Cancellation	Rating 7.9 8,016 reviews	Search Delta flights

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Renton

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Lynnwood

Kent

Marysville

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Tukwila

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Cle Elum

Lakewood

Centralia

Fife

Westport

Kirkland

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Why use momondo?

Why should I use momondo to find a flight deal from Hong Kong to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Hong Kong.

Can I find flights from Hong Kong to Seattle with flexible booking policies on momondo?

Flights from Hong Kong to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Hong Kong to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hong Kong to Seattle.

I’m not ready to book a flight from Hong Kong to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Hong Kong to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.