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Cheap flights from Hong Kong to Seattle from $424

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 2/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Hong Kong to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
11:30 am - 8:05 pm
HKG
-
SEA
23h 35m
1 stop
Philippine Airlines Logo
11:10 pm - 10:05 am
SEA
-
HKG
19h 55m
1 stop
$548Philippine Airlines
Wed, May 20 - Thu, Jun 18
Philippine Airlines Logo
11:30 am - 8:05 pm
HKG
-
SEA
23h 35m
1 stop
Philippine Airlines Logo
11:10 pm - 12:35 pm
SEA
-
HKG
22h 25m
1 stop
$557Philippine Airlines
Fri, May 15 - Wed, Jun 17
Philippine Airlines Logo
1:40 pm - 7:40 pm
HKG
-
SEA
21h 00m
1 stop
Philippine Airlines Logo
10:30 pm - 9:45 pm
SEA
-
HKG
32h 15m
1 stop
$558Philippine Airlines
Fri, Mar 20 - Tue, Mar 24
Philippine Airlines Logo
11:15 am - 7:40 pm
HKG
-
SEA
23h 25m
1 stop
Philippine Airlines Logo
10:30 pm - 9:45 pm
SEA
-
HKG
32h 15m
1 stop
$559Philippine Airlines
Fri, Mar 20 - Tue, Mar 24
Philippine Airlines Logo
1:40 pm - 7:40 pm
HKG
-
SEA
21h 00m
1 stop
Philippine Airlines Logo
10:30 pm - 9:45 pm
SEA
-
HKG
32h 15m
1 stop
$560Philippine Airlines
Fri, Mar 20 - Tue, Mar 24
Philippine Airlines Logo
11:15 pm - 8:05 pm
HKG
-
SEA
35h 50m
1 stop
Philippine Airlines Logo
11:10 pm - 5:00 pm
SEA
-
HKG
26h 50m
1 stop
$568Philippine Airlines
Mon, Apr 27 - Thu, May 14
Multiple Airlines Logo
6:00 pm - 8:05 pm
HKG
-
SEA
17h 05m
1 stop
Multiple Airlines Logo
5:40 am - 5:15 am
SEA
-
HKG
32h 35m
1 stop
$594Multiple Airlines
Wed, Apr 22 - Mon, Apr 27
Philippine Airlines Logo
11:15 pm - 8:05 pm
HKG
-
SEA
35h 50m
1 stop
Philippine Airlines Logo
11:55 pm - 12:20 pm
SEA
-
HKG
20h 25m
1 stop
$598Philippine Airlines
Mon, May 18 - Fri, Nov 6
Multiple Airlines Logo
7:55 am - 3:05 pm
HKG
-
SEA
22h 10m
2 stops
Multiple Airlines Logo
3:40 pm - 5:15 am
SEA
-
HKG
22h 35m
1 stop
$600Multiple Airlines
Wed, Apr 22 - Mon, Apr 27
Multiple Airlines Logo
12:55 am - 2:55 pm
HKG
-
SEA
29h 00m
1 stop
Multiple Airlines Logo
12:10 am - 10:55 am
SEA
-
HKG
19h 45m
1 stop
$601Multiple Airlines
Tue, Mar 17 - Sat, Mar 28

Philippine Airlines flights from Hong Kong to Seattle

Our best Philippine Airlines deals on Hong Kong to Seattle flight tickets
Philippine Airlines
May 20
HKG11:30 amHong Kong Intl
23h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Jun 18
SEA11:10 pmSeattle/Tacoma Intl
19h 55m
1 stop
HKG10:05 amHong Kong Intl
$548
Philippine Airlines
Feb 18
HKG11:15 amHong Kong Intl
23h 25m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Feb 24
SEA9:30 pmSeattle/Tacoma Intl
32h 15m
1 stop
HKG9:45 pmHong Kong Intl
$552
Philippine Airlines
May 15
HKG11:30 amHong Kong Intl
23h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Jun 17
SEA11:10 pmSeattle/Tacoma Intl
22h 25m
1 stop
HKG12:35 pmHong Kong Intl
$557

United Airlines flights from Hong Kong to Seattle

Our best United Airlines deals on Hong Kong to Seattle flight tickets
United Airlines
Mar 31
HKG11:45 amHong Kong Intl
37h 01m
2 stops
SEA9:46 amSeattle/Tacoma Intl
Apr 25
SEA4:32 pmSeattle/Tacoma Intl
21h 28m
2 stops
HKG5:00 amHong Kong Intl
$665
United Airlines
Mar 18
HKG10:35 amHong Kong Intl
20h 39m
1 stop
SEA4:14 pmSeattle/Tacoma Intl
Mar 29
SEA7:36 amSeattle/Tacoma Intl
30h 24m
2 stops
HKG5:00 amHong Kong Intl
$684
United Airlines
Feb 22
HKG10:35 amHong Kong Intl
30h 24m
1 stop
SEA12:59 amSeattle/Tacoma Intl
Mar 8
SEA4:31 pmSeattle/Tacoma Intl
35h 44m
1 stop
HKG7:15 pmHong Kong Intl
$707

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 February 15, 2026.
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

Wed 5/20

11:30 am-8:05 pm

1 stop23h 35m

Seattle/Tacoma Intl

Thu 6/18

11:10 pm-10:05 am

1 stop19h 55m

$548

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 5/15

11:30 am-8:05 pm

1 stop23h 35m

Seattle/Tacoma Intl

Wed 6/17

11:10 pm-12:35 pm

1 stop22h 25m

$557

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-9:45 pm

1 stop32h 15m

$558

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3/20

11:15 am-7:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-9:45 pm

1 stop32h 15m

$559

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-9:45 pm

1 stop32h 15m

$560

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 4/27

11:15 pm-8:05 pm

1 stop35h 50m

Seattle/Tacoma Intl

Thu 5/14

11:10 pm-5:00 pm

1 stop26h 50m

$568

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 4/22

6:00 pm-8:05 pm

1 stop17h 05m

Seattle/Tacoma Intl

Mon 4/27

5:40 am-5:15 am

1 stop32h 35m

$594

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 5/18

11:15 pm-8:05 pm

1 stop35h 50m

Seattle/Tacoma Intl

Fri 11/6

11:55 pm-12:20 pm

1 stop20h 25m

$598

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 4/22

7:55 am-3:05 pm

2 stops22h 10m

Seattle/Tacoma Intl

Mon 4/27

3:40 pm-5:15 am

1 stop22h 35m

$600

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 3/17

12:55 am-2:55 pm

1 stop29h 00m

Seattle/Tacoma Intl

Sat 3/28

12:10 am-10:55 am

1 stop19h 45m

$601

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, January 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 $641. If you don’t want to visit Seattle in January, then you should wait until November to fly from Hong Kong, when ticket prices are also cheap, with an average price of $668.

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

Fly from Hong Kong Intl to Seattle/Tacoma Intl for the best Hong Kong Intl - 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 $802 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 $694 on momondo.

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

There are 2 cabin classes available to choose from on Hong Kong Intl 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.

How have Hong Kong to Seattle flight prices changed over time?

As of February 2026, prices for Hong Kong to Seattle flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Hong Kong to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Hong Kong to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Hong Kong to Seattle (HKG to SEA) 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

  • How far is Hong Kong Intl to Seattle/Tacoma Intl by plane?

    There are 6465.5 mi between Hong Kong Intl and Seattle/Tacoma Intl. 11h 40m is a normal flight duration for this route.

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

    Prices for flights from Hong Kong Intl Airport to Seattle/Tacoma Intl Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Hong Kong Intl Airport to Seattle/Tacoma Intl Airport.

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

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Hong Kong to Seattle?

  • What is the most popular airline 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
China AirlinesPriceFrom $608Free CancellationRating
8.3
804 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $632Free CancellationRating
8.1
503 reviews
Search Asiana Airlines flights
EVA AirPriceFrom $679Free CancellationRating
8.4
1,353 reviews
Search EVA Air flights
United AirlinesPriceFrom $713Free CancellationRating
7.4
9,293 reviews
Search United Airlines flights
DeltaPriceFrom $801Free CancellationRating
7.9
8,205 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
Marysville
Redmond
Puyallup
Cle Elum
Lakewood
Tukwila
Federal Way
Kirkland
Westport
Centralia
Fife
Tumwater

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?

All flight searches from Hong Kong to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Hong Kong and Seattle 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 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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