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Cheap flights from Hong Kong to Seattle from $339

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 11/20. 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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Cheap round-trip flights

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Philippine Airlines Logo
10:45 pm - 6:40 pmHKG-SEA
35h 55m1 stop
Philippine Airlines Logo
9:30 pm - 9:45 pmSEA-HKG
32h 15m1 stop
$550Philippine Airlines
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Thu, Nov 27 - Thu, Dec 4
Philippine Airlines Logo
11:15 am - 6:40 pmHKG-SEA
23h 25m1 stop
Philippine Airlines Logo
9:30 pm - 5:55 pmSEA-HKG
28h 25m1 stop
$551Philippine Airlines
Find Deal
Sun, Nov 23 - Sun, Nov 30
China Airlines Logo
8:05 pm - 6:10 pmHKG-SEA
14h 05m1 stop
China Airlines Logo
12:10 am - 10:10 amSEA-HKG
18h 00m1 stop
$605China Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
Asiana Airlines Logo
12:40 am - 1:55 pmHKG-SEA
29h 15m1 stop
Asiana Airlines Logo
12:10 am - 11:50 amSEA-HKG
20h 40m1 stop
$633Asiana Airlines
Find Deal
Wed, Dec 3 - Thu, Apr 2
China Airlines Logo
2:05 pm - 6:10 pmHKG-SEA
20h 05m1 stop
China Airlines Logo
12:10 am - 9:15 amSEA-HKG
17h 05m1 stop
$642China Airlines
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Sun, Nov 23 - Sat, Nov 29
United Airlines Logo
10:35 am - 12:59 amHKG-SEA
30h 24m1 stop
United Airlines Logo
12:35 pm - 6:45 amSEA-HKG
26h 10m1 stop
$650United Airlines
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Fri, Dec 26 - Sat, Jan 17
Asiana Airlines Logo
12:40 am - 1:55 pmHKG-SEA
29h 15m1 stop
Asiana Airlines Logo
12:10 am - 10:40 pmSEA-HKG
30h 30m1 stop
$652Asiana Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
United Airlines Logo
10:35 am - 11:29 amHKG-SEA
16h 54m1 stop
United Airlines Logo
9:00 am - 6:45 amSEA-HKG
29h 45m2 stops
$663United Airlines
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Thu, Jan 15 - Sun, Jan 18
EVA Air Logo
7:40 pm - 5:30 pmHKG-SEA
13h 50m1 stop
EVA Air Logo
12:10 am - 9:00 amSEA-HKG
16h 50m1 stop
$715EVA Air
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Thu, Nov 27 - Wed, Dec 3
EVA Air Logo
7:40 pm - 6:10 pmHKG-SEA
14h 30m1 stop
EVA Air Logo
12:10 am - 9:00 amSEA-HKG
16h 50m1 stop
$718EVA Air
Find Deal
Fri, Dec 5 - Sun, Dec 28

Philippine Airlines flights from Hong Kong to Seattle

Our best Philippine Airlines deals on Hong Kong to Seattle flight tickets
Philippine Airlines
Nov 27
HKG10:45 pmHong Kong Intl
35h 55m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Dec 4
SEA9:30 pmSeattle/Tacoma Intl
32h 15m
1 stop
HKG9:45 pmHong Kong Intl
$550
Find similar
Philippine Airlines
Nov 23
HKG11:15 amHong Kong Intl
23h 25m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Nov 30
SEA9:30 pmSeattle/Tacoma Intl
28h 25m
1 stop
HKG5:55 pmHong Kong Intl
$551
Find similar
Philippine Airlines
Nov 1
HKG10:45 pmHong Kong Intl
35h 55m
1 stop
SEA7:40 pmSeattle/Tacoma Intl
Nov 16
SEA9:30 pmSeattle/Tacoma Intl
32h 15m
1 stop
HKG9:45 pmHong Kong Intl
$554
Find similar

China Airlines flights from Hong Kong to Seattle

Our best China Airlines deals on Hong Kong to Seattle flight tickets
China Airlines
Nov 27
HKG8:05 pmHong Kong Intl
14h 05m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 4
SEA12:10 amSeattle/Tacoma Intl
18h 00m
1 stop
HKG10:10 amHong Kong Intl
$605
Find similar
China Airlines
Nov 23
HKG2:05 pmHong Kong Intl
20h 05m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 29
SEA12:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
$642
Find similar
China Airlines
Nov 22
HKG2:05 pmHong Kong Intl
20h 05m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Nov 29
SEA12:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
$681
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 October 28, 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

Thu 11/27

10:45 pm-6:40 pm

1 stop35h 55m

Seattle/Tacoma Intl

Thu 12/4

9:30 pm-9:45 pm

1 stop32h 15m

$550

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 11/23

11:15 am-6:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Sun 11/30

9:30 pm-5:55 pm

1 stop28h 25m

$551

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 11/27

8:05 pm-6:10 pm

1 stop14h 05m

Seattle/Tacoma Intl

Thu 12/4

12:10 am-10:10 am

1 stop18h 00m

$605

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/3

12:40 am-1:55 pm

1 stop29h 15m

Seattle/Tacoma Intl

Thu 4/2

12:10 am-11:50 am

1 stop20h 40m

$633

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 11/23

2:05 pm-6:10 pm

1 stop20h 05m

Seattle/Tacoma Intl

Sat 11/29

12:10 am-9:15 am

1 stop17h 05m

$642

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 12/26

10:35 am-12:59 am

1 stop30h 24m

Seattle/Tacoma Intl

Sat 1/17

12:35 pm-6:45 am

1 stop26h 10m

$650

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 11/26

12:40 am-1:55 pm

1 stop29h 15m

Seattle/Tacoma Intl

Thu 12/4

12:10 am-10:40 pm

1 stop30h 30m

$652

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 1/15

10:35 am-11:29 am

1 stop16h 54m

Seattle/Tacoma Intl

Sun 1/18

9:00 am-6:45 am

2 stops29h 45m

$663

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 11/27

7:40 pm-5:30 pm

1 stop13h 50m

Seattle/Tacoma Intl

Wed 12/3

12:10 am-9:00 am

1 stop16h 50m

$715

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 12/5

7:40 pm-6:10 pm

1 stop14h 30m

Seattle/Tacoma Intl

Sun 12/28

12:10 am-9:00 am

1 stop16h 50m

$718

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 typical price of a round-trip flight between Hong Kong and Seattle?

What is the cheapest month to fly to Seattle?

In general, October 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 $750. If you don’t want to visit Seattle in October, then you should wait until September to fly from Hong Kong, when ticket prices are also cheap, with an average price of $770.

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 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 $889 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 Intl to Seattle/Tacoma Intl flights?

There is only 1 cabin class 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 October 2025, prices for Hong Kong to Seattle flights are approximately 43% 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

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 Friday. The only airline offering direct flights is Cathay Pacific.
There is 1 airport near Seattle: 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
Asiana AirlinesPriceFrom $644Free CancellationRating
8.2
483 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $669Free CancellationRating
8.3
776 reviews
Search China Airlines flights
EVA AirPriceFrom $730Free CancellationRating
8.4
1,264 reviews
Search EVA Air flights
United AirlinesPriceFrom $818Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
DeltaPriceFrom $834Free CancellationRating
7.9
7,994 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
Federal Way
Lakewood
Cle Elum
Fife
Centralia
Kirkland
Shoreline
Westport

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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