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Cheap flights from Washington to Hong Kong from $371

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 8/5. 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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Find the cheapest flights from Washington to Hong Kong

Cheap round-trip flights

Enter your travel dates to find the best prices.
ANA Logo
10:30 am - 10:35 pm
SEA
-
HKG
45h 05m
2 stops
ANA Logo
2:35 pm - 2:25 pm
HKG
-
SEA
14h 50m
1 stop
$922ANA
Wed, Sep 16 - Thu, Sep 24
ANA Logo
10:45 am - 12:25 pm
SEA
-
HKG
34h 40m
2 stops
ANA Logo
11:55 pm - 6:29 pm
HKG
-
SEA
57h 34m
2 stops
$927ANA
Sun, Aug 2 - Thu, Aug 27
Air Canada Logo
7:20 pm - 5:15 am
SEA
-
HKG
18h 55m
1 stop
Air Canada Logo
9:45 am - 10:07 am
HKG
-
SEA
39h 22m
1 stop
$930Air Canada
Mon, Aug 3 - Sun, Aug 30
ANA Logo
10:45 am - 12:25 pm
SEA
-
HKG
34h 40m
2 stops
ANA Logo
11:55 pm - 6:29 pm
HKG
-
SEA
57h 34m
2 stops
$932ANA
Sun, Aug 2 - Thu, Aug 27
Multiple Airlines Logo
12:40 pm - 5:45 am
SEA
-
HKG
25h 05m
1 stop
Multiple Airlines Logo
9:05 am - 1:10 pm
HKG
-
SEA
20h 05m
1 stop
$933Multiple Airlines
Fri, Nov 20 - Sat, Dec 5
Multiple Airlines Logo
7:20 pm - 5:45 am
SEA
-
HKG
43h 25m
2 stops
Multiple Airlines Logo
12:55 am - 6:22 pm
HKG
-
SEA
32h 27m
2 stops
$935Multiple Airlines
Wed, Oct 7 - Fri, Oct 30
Air Canada Logo
8:40 am - 5:10 am
SEA
-
HKG
28h 30m
1 stop
Air Canada Logo
10:45 am - 9:17 am
HKG
-
SEA
14h 32m
1 stop
$937Air Canada
Thu, Nov 19 - Wed, Feb 17
United Airlines Logo
3:40 pm - 5:45 am
SEA
-
HKG
22h 05m
1 stop
United Airlines Logo
2:20 pm - 1:20 pm
HKG
-
SEA
15h 00m
1 stop
$940United Airlines
Thu, Nov 19 - Sun, Dec 6
United Airlines Logo
7:25 pm - 5:00 am
SEA
-
HKG
18h 35m
1 stop
United Airlines Logo
11:45 am - 2:22 pm
HKG
-
SEA
17h 37m
1 stop
$943United Airlines
Tue, Oct 6 - Sat, Oct 17
China Eastern Logo
6:30 am - 11:30 am
GEG
-
HKG
37h 00m
2 stops
China Eastern Logo
7:40 am - 9:37 pm
HKG
-
GEG
29h 57m
2 stops
$1,056China Eastern
Mon, Nov 9 - Thu, Nov 12

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Qatar Airways flights from State of Washington to Hong Kong

Our best Qatar Airways deals on State of Washington to Hong Kong flight tickets
Qatar Airways
Nov 4
PDX1:53 pmPortland
32h 57m
2 stops
HKG2:50 pmHong Kong Intl
Feb 15
HKG6:05 pmHong Kong Intl
36h 50m
2 stops
PDX2:55 pmPortland
$993
Qatar Airways
Aug 11
PDX1:48 pmPortland
34h 22m
2 stops
HKG3:10 pmHong Kong Intl
Sep 14
HKG1:25 amHong Kong Intl
30h 25m
2 stops
PDX4:50 pmPortland
$995
Qatar Airways
Sep 1
PDX7:09 amPortland
41h 01m
2 stops
HKG3:10 pmHong Kong Intl
Sep 7
HKG1:25 amHong Kong Intl
35h 36m
2 stops
PDX10:01 pmPortland
$1,003

Air Canada flights from State of Washington to Hong Kong

Our best Air Canada deals on State of Washington to Hong Kong flight tickets
Air Canada
Aug 3
SEA7:20 pmSeattle/Tacoma Intl
18h 55m
1 stop
HKG5:15 amHong Kong Intl
Aug 30
HKG9:45 amHong Kong Intl
39h 22m
1 stop
SEA10:07 amSeattle/Tacoma Intl
$930
Air Canada
Nov 19
SEA8:40 amSeattle/Tacoma Intl
28h 30m
1 stop
HKG5:10 amHong Kong Intl
Feb 17
HKG10:45 amHong Kong Intl
14h 32m
1 stop
SEA9:17 amSeattle/Tacoma Intl
$937
Air Canada
Jul 9
PDX10:10 amPortland
21h 35m
2 stops
HKG10:45 pmHong Kong Intl
Jul 23
HKG9:45 amHong Kong Intl
14h 46m
1 stop
PDX9:31 amPortland
$942

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 June 10, 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

Wed 9/16

10:30 am-10:35 pm

2 stops45h 05m

Hong Kong Intl

Thu 9/24

2:35 pm-2:25 pm

1 stop14h 50m

$922

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 8/2

10:45 am-12:25 pm

2 stops34h 40m

Hong Kong Intl

Thu 8/27

11:55 pm-6:29 pm

2 stops57h 34m

$927

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 8/3

7:20 pm-5:15 am

1 stop18h 55m

Hong Kong Intl

Sun 8/30

9:45 am-10:07 am

1 stop39h 22m

$930

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 8/2

10:45 am-12:25 pm

2 stops34h 40m

Hong Kong Intl

Thu 8/27

11:55 pm-6:29 pm

2 stops57h 34m

$932

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 11/20

12:40 pm-5:45 am

1 stop25h 05m

Hong Kong Intl

Sat 12/5

9:05 am-1:10 pm

1 stop20h 05m

$933

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 10/7

7:20 pm-5:45 am

2 stops43h 25m

Hong Kong Intl

Fri 10/30

12:55 am-6:22 pm

2 stops32h 27m

$935

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 11/19

8:40 am-5:10 am

1 stop28h 30m

Hong Kong Intl

Wed 2/17

10:45 am-9:17 am

1 stop14h 32m

$937

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Thu 11/19

3:40 pm-5:45 am

1 stop22h 05m

Hong Kong Intl

Sun 12/6

2:20 pm-1:20 pm

1 stop15h 00m

$940
Quickest round-trip

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/6

7:25 pm-5:00 am

1 stop18h 35m

Hong Kong Intl

Sat 10/17

11:45 am-2:22 pm

1 stop17h 37m

$943

SpokaneHong Kong

GEG - HKG

GEGHKG

Spokane

Mon 11/9

6:30 am-11:30 am

2 stops37h 00m

Hong Kong Intl

Thu 11/12

7:40 am-9:37 pm

2 stops29h 57m

$1,056

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 $270. The month of April is another great option to travel to Hong Kong, with average flight prices from State of Washington averaging around $294.

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 Tuesday. Travelers who choose to depart for Hong Kong on a Tuesday will often find tickets for as low as $981. The most expensive day to fly to Hong Kong is Saturday, with ticket prices averaging around $1,186.

What is the cheapest Washington to Hong Kong Intl flight route?

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

How far in advance should I book a flight from Washington 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 $806 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 $675 on momondo.

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

There are 3 cabin classes available to choose from on State of 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 8% 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

$572

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 $572. The best round-trip flight deal from State of Washington to Hong Kong found on momondo in the last 72 hours is $1,096.
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).
Search flight deals

Frequently asked questions about flying from Washington to Hong Kong

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

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

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

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

    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 Intl Airport.

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

    The necessary travel and health documents for your Hong Kong 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 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
Philippine AirlinesPriceFrom $326Free CancellationRating
7.3
999 reviews
Search Philippine Airlines flights
Air CanadaPriceFrom $475Free CancellationRating
7.1
11,158 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $569Free CancellationRating
8.3
1,837 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $574Free CancellationRating
8.1
540 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $588Free CancellationRating
8.4
1,218 reviews
Search Korean Air flights
ANAPriceFrom $597Free CancellationRating
8.3
1,230 reviews
Search ANA flights
United AirlinesPriceFrom $613Free CancellationRating
7.4
9,808 reviews
Search United Airlines flights
DeltaPriceFrom $622Free CancellationRating
7.9
8,397 reviews
Search Delta flights
Cathay PacificPriceFrom $700Free CancellationRating
7.6
1,370 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $751Free CancellationRating
8.3
828 reviews
Search China Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Hong Kong for you.

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

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

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

momondo helps you find the best flight between Washington and Hong Kong 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 Washington to Hong Kong right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Hong Kong, momondo offers a useful price alert feature which will track prices for flights to Hong Kong from Washington and alert you when they change.

An easier way to manage your Hong Kong trip

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Fly your favorite airline to Hong Kong

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Asiana Airlines
Air Canada
Cathay Pacific
EVA Air
China Airlines
ANA
United Airlines
Japan Airlines
Philippine Airlines
Korean Air
Delta