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Cheap flights from Hong Kong to Seattle from $382

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Hong Kong to Seattle

Cheap round-trip flights

Philippine Airlines Logo
11:00 pm - 7:15 pmHKG-SEA
35h 15m1 stop
Philippine Airlines Logo
11:35 pm - 9:45 pmSEA-HKG
31h 10m1 stop
$620Philippine Airlines
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Sat, Oct 11 - Fri, Oct 24
Logo
12:45 am - 12:30 pmHKG-SEA
26h 45m1 stop
Logo
2:15 pm - 10:30 pmSEA-HKG
17h 15m1 stop
$627
Find Deal
Wed, Sep 17 - Mon, Sep 22
Asiana Airlines Logo
1:00 pm - 12:30 pmHKG-SEA
14h 30m1 stop
Asiana Airlines Logo
12:10 am - 11:50 amSEA-HKG
19h 40m1 stop
$635Asiana Airlines
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Tue, Oct 21 - Tue, Mar 3
China Airlines Logo
8:10 pm - 7:20 pmHKG-SEA
14h 10m1 stop
China Airlines Logo
1:10 am - 9:15 amSEA-HKG
17h 05m1 stop
$652China Airlines
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Tue, Sep 16 - Mon, Sep 22
China Airlines Logo
5:35 pm - 6:10 pmHKG-SEA
16h 35m1 stop
China Airlines Logo
12:10 am - 1:00 pmSEA-HKG
20h 50m1 stop
$654China Airlines
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Thu, Nov 20 - Mon, Dec 1
Asiana Airlines Logo
1:00 pm - 12:30 pmHKG-SEA
14h 30m1 stop
Asiana Airlines Logo
2:15 pm - 11:40 amSEA-HKG
30h 25m1 stop
$685Asiana Airlines
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Thu, Sep 18 - Mon, Sep 22
United Airlines Logo
11:15 am - 6:45 pmHKG-SEA
22h 30m1 stop
United Airlines Logo
6:35 am - 6:55 pmSEA-HKG
21h 20m2 stops
$704United Airlines
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Thu, Oct 9 - Thu, Oct 16
EVA Air Logo
5:10 pm - 7:30 pmHKG-SEA
17h 20m1 stop
EVA Air Logo
12:30 am - 8:50 amSEA-HKG
17h 20m1 stop
$724EVA Air
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Tue, Sep 16 - Tue, Sep 23
EVA Air Logo
9:45 pm - 6:50 pmHKG-SEA
36h 05m1 stop
EVA Air Logo
1:30 am - 2:25 pmSEA-HKG
21h 55m1 stop
$727EVA Air
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Fri, Oct 3 - Thu, Oct 9
United Airlines Logo
11:15 am - 8:54 pmHKG-SEA
24h 39m1 stop
United Airlines Logo
6:35 am - 6:55 pmSEA-HKG
21h 20m2 stops
$763United Airlines
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Thu, Sep 18 - Mon, Sep 29

Lufthansa flights from Hong Kong to Seattle

Our best Lufthansa deals on Hong Kong to Seattle flight tickets
Lufthansa
Oct 6
HKG10:30 pmHong Kong Intl
17h 29m
1 stop
SEA12:59 amSeattle/Tacoma Intl
Oct 20
SEA6:35 amSeattle/Tacoma Intl
21h 20m
2 stops
HKG6:55 pmHong Kong Intl
$737
Find similar
Lufthansa
Oct 6
HKG6:55 pmHong Kong Intl
17h 58m
1 stop
SEA9:53 pmSeattle/Tacoma Intl
Oct 20
SEA5:31 pmSeattle/Tacoma Intl
20h 29m
1 stop
HKG5:00 amHong Kong Intl
$743
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China Airlines flights from Hong Kong to Seattle

Our best China Airlines deals on Hong Kong to Seattle flight tickets
China Airlines
Sep 16
HKG8:10 pmHong Kong Intl
14h 10m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Sep 22
SEA1:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
$652
Find similar
China Airlines
Nov 20
HKG5:35 pmHong Kong Intl
16h 35m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 1
SEA12:10 amSeattle/Tacoma Intl
20h 50m
1 stop
HKG1:00 pmHong Kong Intl
$654
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China Airlines
Oct 11
HKG11:05 amHong Kong Intl
23h 15m
1 stop
SEA7:20 pmSeattle/Tacoma Intl
Oct 23
SEA1:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
$658
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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 August 27, 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

Sat 10/11

11:00 pm-7:15 pm

1 stop35h 15m

Seattle/Tacoma Intl

Fri 10/24

11:35 pm-9:45 pm

1 stop31h 10m

$620

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 9/17

12:45 am-12:30 pm

1 stop26h 45m

Seattle/Tacoma Intl

Mon 9/22

2:15 pm-10:30 pm

1 stop17h 15m

$627

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 10/21

1:00 pm-12:30 pm

1 stop14h 30m

Seattle/Tacoma Intl

Tue 3/3

12:10 am-11:50 am

1 stop19h 40m

$635

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 9/16

8:10 pm-7:20 pm

1 stop14h 10m

Seattle/Tacoma Intl

Mon 9/22

1:10 am-9:15 am

1 stop17h 05m

$652

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 11/20

5:35 pm-6:10 pm

1 stop16h 35m

Seattle/Tacoma Intl

Mon 12/1

12:10 am-1:00 pm

1 stop20h 50m

$654

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 9/18

1:00 pm-12:30 pm

1 stop14h 30m

Seattle/Tacoma Intl

Mon 9/22

2:15 pm-11:40 am

1 stop30h 25m

$685

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 10/9

11:15 am-6:45 pm

1 stop22h 30m

Seattle/Tacoma Intl

Thu 10/16

6:35 am-6:55 pm

2 stops21h 20m

$704

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 9/16

5:10 pm-7:30 pm

1 stop17h 20m

Seattle/Tacoma Intl

Tue 9/23

12:30 am-8:50 am

1 stop17h 20m

$724

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 10/3

9:45 pm-6:50 pm

1 stop36h 05m

Seattle/Tacoma Intl

Thu 10/9

1:30 am-2:25 pm

1 stop21h 55m

$727

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Thu 9/18

11:15 am-8:54 pm

1 stop24h 39m

Seattle/Tacoma Intl

Mon 9/29

6:35 am-6:55 pm

2 stops21h 20m

$763

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, May 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 $792. If you don’t want to visit Seattle in May, then you should wait until September to fly from Hong Kong, when ticket prices are also cheap, with an average price of $818.

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.

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 $918 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 $736 on momondo.

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

As of August 2025, prices for Hong Kong to Seattle flights are approximately 34% 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

Direct flights

None
There are no direct flights from Hong Kong to Seattle. There are no popular flight routes from Hong Kong to Seattle.
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  • 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. 14h 10m 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 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 $665Free CancellationRating
8.2
477 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $683Free CancellationRating
8.3
765 reviews
Search China Airlines flights
EVA AirPriceFrom $779Free CancellationRating
8.4
1,234 reviews
Search EVA Air flights
United AirlinesPriceFrom $818Free CancellationRating
7.4
8,945 reviews
Search United Airlines flights

Traveling to a place near Seattle?

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