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Cheap flights from Hong Kong to Seattle from $338

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Hong Kong to Seattle departing on 2/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Hong Kong to Seattle

Recent round-trip flight deals from Hong Kong to Seattle

Enter your travel dates to find the best prices.
Philippine Airlines Logo
1:40 pm - 6:40 pmHKG-SEA
21h 00m1 stop
Philippine Airlines Logo
11:05 pm - 10:10 amSEA-HKG
20h 05m1 stop
$555Philippine Airlines
Find Deal
Tue, Mar 3 - Wed, Jun 3
Philippine Airlines Logo
6:55 pm - 6:40 pmHKG-SEA
15h 45m1 stop
Philippine Airlines Logo
11:05 pm - 12:20 pmSEA-HKG
22h 15m1 stop
$570Philippine Airlines
Find Deal
Wed, Mar 4 - Tue, Jun 2
Philippine Airlines Logo
10:45 pm - 6:40 pmHKG-SEA
35h 55m1 stop
Philippine Airlines Logo
11:05 pm - 10:10 amSEA-HKG
20h 05m1 stop
$600Philippine Airlines
Find Deal
Sat, Feb 28 - Tue, Jun 2
United Airlines Logo
10:45 pm - 9:17 pmHKG-SEA
38h 32m2 stops
United Airlines Logo
9:25 am - 6:45 amSEA-HKG
29h 20m1 stop
$624United Airlines
Find Deal
Wed, Dec 24 - Sat, Jan 17
Asiana Airlines Logo
12:40 am - 1:55 pmHKG-SEA
29h 15m1 stop
Asiana Airlines Logo
12:10 am - 11:40 amSEA-HKG
20h 30m1 stop
$642Asiana Airlines
Find Deal
Tue, Mar 3 - Mon, Jun 1
United Airlines Logo
10:35 am - 11:22 pmHKG-SEA
27h 47m1 stop
United Airlines Logo
6:20 am - 5:00 amSEA-HKG
31h 40m2 stops
$655United Airlines
Find Deal
Sun, Mar 15 - Sun, Apr 5
Philippine Airlines Logo
10:45 pm - 6:40 pmHKG-SEA
35h 55m1 stop
Philippine Airlines Logo
11:05 pm - 12:20 pmSEA-HKG
22h 15m1 stop
$657Philippine Airlines
Find Deal
Mon, Jan 12 - Thu, Apr 2
STARLUX Airlines Logo
11:15 am - 4:05 pmHKG-SEA
19h 50m1 stop
STARLUX Airlines Logo
12:45 am - 6:30 pmSEA-HKG
26h 45m1 stop
$665STARLUX Airlines
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Mon, Mar 9 - Mon, Mar 9
United Airlines Logo
11:25 am - 4:52 pmHKG-SEA
21h 27m2 stops
United Airlines Logo
12:35 pm - 7:00 amSEA-HKG
26h 25m2 stops
$670United Airlines
Find Deal
Wed, Dec 24 - Sat, Jan 17
Asiana Airlines Logo
12:40 am - 1:55 pmHKG-SEA
29h 15m1 stop
Asiana Airlines Logo
12:10 am - 11:40 amSEA-HKG
20h 30m1 stop
$679Asiana Airlines
Find Deal
Fri, Feb 27 - Fri, Apr 17

United Airlines flights from Hong Kong to Seattle

Our best United Airlines deals on Hong Kong to Seattle flight tickets
United Airlines
Dec 24
HKG11:25 amHong Kong Intl
27h 43m
1 stop
SEA11:08 pmSeattle/Tacoma Intl
Jan 17
SEA9:25 amSeattle/Tacoma Intl
29h 20m
1 stop
HKG6:45 amHong Kong Intl
$624
Find similar
United Airlines
Mar 15
HKG10:35 amHong Kong Intl
27h 47m
1 stop
SEA11:22 pmSeattle/Tacoma Intl
Apr 5
SEA6:20 amSeattle/Tacoma Intl
31h 40m
2 stops
HKG5:00 amHong Kong Intl
$655
Find similar
United Airlines
Dec 24
HKG11:25 amHong Kong Intl
21h 27m
2 stops
SEA4:52 pmSeattle/Tacoma Intl
Jan 17
SEA12:35 pmSeattle/Tacoma Intl
26h 25m
2 stops
HKG7:00 amHong Kong Intl
$670
Find similar

EVA Air flights from Hong Kong to Seattle

Our best EVA Air deals on Hong Kong to Seattle flight tickets
EVA Air
Feb 25
HKG7:40 pmHong Kong Intl
14h 30m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Apr 21
SEA12:30 amSeattle/Tacoma Intl
17h 20m
1 stop
HKG8:50 amHong Kong Intl
$737
Find similar
EVA Air
Dec 24
HKG1:30 pmHong Kong Intl
20h 40m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jan 16
SEA12:10 amSeattle/Tacoma Intl
16h 50m
1 stop
HKG9:00 amHong Kong Intl
$740
Find similar
EVA Air
Mar 1
HKG3:30 pmHong Kong Intl
18h 40m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Jun 1
SEA1:50 amSeattle/Tacoma Intl
16h 00m
1 stop
HKG8:50 amHong Kong Intl
$773
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 14, 2025.
Use the filters below to find and compare flights from Hong Kong to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 3/3

1:40 pm-6:40 pm

1 stop21h 00m

Seattle/Tacoma Intl

Wed 6/3

11:05 pm-10:10 am

1 stop20h 05m

$555

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 3/4

6:55 pm-6:40 pm

1 stop15h 45m

Seattle/Tacoma Intl

Tue 6/2

11:05 pm-12:20 pm

1 stop22h 15m

$570

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 2/28

10:45 pm-6:40 pm

1 stop35h 55m

Seattle/Tacoma Intl

Tue 6/2

11:05 pm-10:10 am

1 stop20h 05m

$600

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

10:45 pm-9:17 pm

2 stops38h 32m

Seattle/Tacoma Intl

Sat 1/17

9:25 am-6:45 am

1 stop29h 20m

$624

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 3/3

12:40 am-1:55 pm

1 stop29h 15m

Seattle/Tacoma Intl

Mon 6/1

12:10 am-11:40 am

1 stop20h 30m

$642

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 3/15

10:35 am-11:22 pm

1 stop27h 47m

Seattle/Tacoma Intl

Sun 4/5

6:20 am-5:00 am

2 stops31h 40m

$655

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 1/12

10:45 pm-6:40 pm

1 stop35h 55m

Seattle/Tacoma Intl

Thu 4/2

11:05 pm-12:20 pm

1 stop22h 15m

$657

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 3/9

11:15 am-4:05 pm

1 stop19h 50m

Seattle/Tacoma Intl

Mon 3/9

12:45 am-6:30 pm

1 stop26h 45m

$665

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

11:25 am-4:52 pm

2 stops21h 27m

Seattle/Tacoma Intl

Sat 1/17

12:35 pm-7:00 am

2 stops26h 25m

$670

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 2/27

12:40 am-1:55 pm

1 stop29h 15m

Seattle/Tacoma Intl

Fri 4/17

12:10 am-11:40 am

1 stop20h 30m

$679

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

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

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 $690. 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 $730.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Hong Kong is on a Monday. momondo users have found tickets for Monday departures for as low as $989. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Hong Kong because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,133.

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 $864 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 $717 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, Thu and Fri

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, Thursday and Friday. The only airline offering direct flights is Cathay Pacific.
There is 1 airport near Seattle: 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?

  • 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?

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
Asiana AirlinesPriceFrom $644Free CancellationRating
8.2
487 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $669Free CancellationRating
8.3
778 reviews
Search China Airlines flights
EVA AirPriceFrom $730Free CancellationRating
8.4
1,276 reviews
Search EVA Air flights
United AirlinesPriceFrom $818Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights
DeltaPriceFrom $834Free CancellationRating
7.9
8,010 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

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.

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