Cheap flights from Washington to Hong Kong from $289

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Hong Kong departing on 8/25. 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
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Asiana Airlines Logo
12:55 am - 11:40 am
SEA
-
HKG
19h 45m
1 stop
Asiana Airlines Logo
1:40 am - 2:55 pm
HKG
-
SEA
28h 15m
1 stop
$591Asiana Airlines
Sun, Apr 19 - Sun, May 24
Asiana Airlines Logo
12:55 am - 11:30 pm
SEA
-
HKG
31h 35m
1 stop
Asiana Airlines Logo
1:40 am - 2:55 pm
HKG
-
SEA
28h 15m
1 stop
$592Asiana Airlines
Tue, May 5 - Mon, Jun 1
Asiana Airlines Logo
12:55 am - 11:40 am
SEA
-
HKG
19h 45m
1 stop
Asiana Airlines Logo
1:00 pm - 2:55 pm
HKG
-
SEA
16h 55m
1 stop
$593Asiana Airlines
Tue, Aug 25 - Mon, Sep 7
Air Canada Logo
3:15 pm - 5:15 am
PDX
-
HKG
23h 00m
1 stop
Air Canada Logo
9:45 am - 12:59 am
HKG
-
PDX
30h 14m
2 stops
$815Air Canada
Mon, Apr 20 - Wed, May 20
Air Canada Logo
3:30 pm - 5:15 am
PDX
-
HKG
22h 45m
1 stop
Air Canada Logo
9:45 am - 12:47 am
HKG
-
PDX
30h 02m
2 stops
$816Air Canada
Tue, Sep 1 - Thu, Sep 17
Multiple Airlines Logo
7:45 pm - 5:15 am
PDX
-
HKG
18h 30m
1 stop
Multiple Airlines Logo
10:25 am - 2:51 pm
HKG
-
PDX
19h 26m
2 stops
$829Multiple Airlines
Tue, Sep 15 - Thu, Oct 8
Multiple Airlines Logo
9:50 am - 4:45 am
PDX
-
HKG
27h 55m
2 stops
Multiple Airlines Logo
9:45 am - 2:45 pm
HKG
-
PDX
20h 00m
1 stop
$835Multiple Airlines
Tue, Apr 14 - Thu, May 28
China Airlines Logo
6:00 am - 10:05 am
GEG
-
HKG
37h 05m
2 stops
China Airlines Logo
2:00 pm - 12:40 pm
HKG
-
GEG
37h 40m
2 stops
$996China Airlines
Sun, Apr 19 - Sat, May 2
China Airlines Logo
7:41 pm - 8:05 pm
GEG
-
HKG
33h 24m
2 stops
China Airlines Logo
2:00 pm - 2:40 pm
HKG
-
GEG
39h 40m
2 stops
$1,017China Airlines
Thu, May 7 - Thu, May 14
China Eastern Logo
6:30 am - 9:05 pm
GEG
-
HKG
23h 35m
2 stops
China Eastern Logo
7:30 am - 9:31 pm
HKG
-
GEG
29h 01m
2 stops
$1,018China Eastern
Wed, Sep 2 - Sun, Sep 6

Asiana Airlines flights from State of Washington to Hong Kong

Our best Asiana Airlines deals on State of Washington to Hong Kong flight tickets
Asiana Airlines
Apr 19
SEA12:55 amSeattle/Tacoma Intl
19h 45m
1 stop
HKG11:40 amHong Kong Intl
May 24
HKG1:40 amHong Kong Intl
28h 15m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$591
Asiana Airlines
May 5
SEA12:55 amSeattle/Tacoma Intl
31h 35m
1 stop
HKG11:30 pmHong Kong Intl
Jun 1
HKG1:40 amHong Kong Intl
28h 15m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$592
Asiana Airlines
Aug 25
SEA12:55 amSeattle/Tacoma Intl
19h 45m
1 stop
HKG11:40 amHong Kong Intl
Sep 7
HKG1:00 pmHong Kong Intl
16h 55m
1 stop
SEA2:55 pmSeattle/Tacoma Intl
$593

China Airlines flights from State of Washington to Hong Kong

Our best China Airlines deals on State of Washington to Hong Kong flight tickets
China Airlines
Apr 19
GEG6:00 amSpokane
37h 05m
2 stops
HKG10:05 amHong Kong Intl
May 2
HKG2:00 pmHong Kong Intl
37h 40m
2 stops
GEG12:40 pmSpokane
$996
China Airlines
May 7
GEG7:41 pmSpokane
33h 24m
2 stops
HKG8:05 pmHong Kong Intl
May 14
HKG2:00 pmHong Kong Intl
39h 40m
2 stops
GEG2:40 pmSpokane
$1,017
China Airlines
Apr 14
GEG7:43 pmSpokane
22h 32m
2 stops
HKG9:15 amHong Kong Intl
Apr 22
HKG11:05 amHong Kong Intl
50h 44m
2 stops
GEG10:49 pmSpokane
$1,069

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Hong Kong 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 March 28, 2026.
Use the filters below to find and compare flights from Washington to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 4/19

12:55 am-11:40 am

1 stop19h 45m

Hong Kong Intl

Sun 5/24

1:40 am-2:55 pm

1 stop28h 15m

$591

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 5/5

12:55 am-11:30 pm

1 stop31h 35m

Hong Kong Intl

Mon 6/1

1:40 am-2:55 pm

1 stop28h 15m

$592
Quickest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 8/25

12:55 am-11:40 am

1 stop19h 45m

Hong Kong Intl

Mon 9/7

1:00 pm-2:55 pm

1 stop16h 55m

$593

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 4/20

3:15 pm-5:15 am

1 stop23h 00m

Hong Kong Intl

Wed 5/20

9:45 am-12:59 am

2 stops30h 14m

$815

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/1

3:30 pm-5:15 am

1 stop22h 45m

Hong Kong Intl

Thu 9/17

9:45 am-12:47 am

2 stops30h 02m

$816

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/15

7:45 pm-5:15 am

1 stop18h 30m

Hong Kong Intl

Thu 10/8

10:25 am-2:51 pm

2 stops19h 26m

$829

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 4/14

9:50 am-4:45 am

2 stops27h 55m

Hong Kong Intl

Thu 5/28

9:45 am-2:45 pm

1 stop20h 00m

$835

SpokaneHong Kong

GEG - HKG

GEGHKG

Spokane

Sun 4/19

6:00 am-10:05 am

2 stops37h 05m

Hong Kong Intl

Sat 5/2

2:00 pm-12:40 pm

2 stops37h 40m

$996

SpokaneHong Kong

GEG - HKG

GEGHKG

Spokane

Thu 5/7

7:41 pm-8:05 pm

2 stops33h 24m

Hong Kong Intl

Thu 5/14

2:00 pm-2:40 pm

2 stops39h 40m

$1,017

SpokaneHong Kong

GEG - HKG

GEGHKG

Spokane

Wed 9/2

6:30 am-9:05 pm

2 stops23h 35m

Hong Kong Intl

Sun 9/6

7:30 am-9:31 pm

2 stops29h 01m

$1,018

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 Hong Kong from

How to get the cheapest flight ticket from State of Washington to Hong Kong

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 Hong Kong?

The month of January is, on average, the cheapest month to fly to Hong Kong from State of Washington, with most prices found around $657. The month of March is another great option to travel to Hong Kong, with average flight prices from State of Washington averaging around $708.

What is the cheapest day to depart on your flight to Hong Kong?

The cheapest day to depart from State of Washington to Hong Kong is on a Sunday. Travelers who choose to depart for Hong Kong on a Sunday will often find tickets for as low as $874. The most expensive day to fly to Hong Kong is Friday, with ticket prices averaging around $1,027.

What is the cheapest Washington to Hong Kong flight route?

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

How far in advance should I book a flight to Hong Kong?

You are more likely to see cheaper flights to Hong Kong from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Hong Kong for around $789 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hong Kong from State of Washington for as low as $705 on momondo.

What cabin class options are available on Washington to Hong Kong flights?

There are 3 cabin classes available to choose from on Washington to Hong Kong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on State of Washington to Hong Kong flights?

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Hong Kong flight.

Cheap State of Washington to Hong Kong flight deals and tips

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

Best Price Found

$408

Fastest flight time

13h 20m

Direct flights

Tue, Wed, Thu, Fri and Sun

Airports in Hong Kong

1 airport
The best one-way flight to Hong Kong from State of Washington in the past 72 hours is $408. The best round-trip flight deal from State of Washington to Hong Kong found on momondo in the last 72 hours is $831.
The fastest flight from State of Washington to Hong Kong takes 13h 20m
Direct flights go from State of Washington to Hong Kong on Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Hong Kong. From State of Washington there are direct flights to Hong Kong Intl (HKG).
  • When did momondo last update prices for flights from Washington to Hong Kong?

    Prices for flights from Washington to Hong Kong were last updated today.

  • How many operators does momondo search for flights from Washington to Hong Kong?

  • How old do you have to be to fly from Washington to Hong Kong?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington to Hong Kong.

  • What documentation or ID do you need to fly to Hong Kong?

    The necessary travel and health documents for your Hong Kong 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 State of Washington to Hong Kong?

Best airlines flying from State of Washington to Hong Kong

Compare and see reviews for airlines that fly from State of Washington to Hong Kong with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $475Free CancellationRating
7.1
10,853 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $569Free CancellationRating
8.3
1,751 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $580Free CancellationRating
8.1
507 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $596Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
ANAPriceFrom $597Free CancellationRating
8.4
1,149 reviews
Search ANA flights
Philippine AirlinesPriceFrom $603Free CancellationRating
7.3
976 reviews
Search Philippine Airlines flights
DeltaPriceFrom $622Free CancellationRating
7.9
8,357 reviews
Search Delta flights
United AirlinesPriceFrom $633Free CancellationRating
7.4
9,501 reviews
Search United Airlines flights
Cathay PacificPriceFrom $687Free CancellationRating
7.6
1,232 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $742Free CancellationRating
8.3
817 reviews
Search China Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Hong Kong. momondo saves you time and could save you money on your trip.

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

Flights from Washington to Hong Kong 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 Washington to Hong Kong?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Hong Kong from Washington.

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

Of course. momondo tracks the price of Washington to Hong Kong 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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1 adult
Mon 4/27
Mon 5/4

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