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Cheap flights from Hong Kong to Washington from $337

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 Washington departing on 12/26. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
10:45 pm - 6:40 pm
HKG
-
SEA
35h 55m1 stop
Philippine Airlines Logo
9:30 pm - 12:30 pm
SEA
-
HKG
23h 00m1 stop
$551Philippine Airlines
Tue, Feb 3 - Wed, Mar 4
Philippine Airlines Logo
11:30 am - 8:05 pm
HKG
-
SEA
23h 35m1 stop
Philippine Airlines Logo
11:10 pm - 9:55 pm
SEA
-
HKG
31h 45m1 stop
$559Philippine Airlines
Wed, Jun 10 - Tue, Jun 30
Multiple Airlines Logo
11:15 pm - 8:05 pm
HKG
-
SEA
35h 50m1 stop
Multiple Airlines Logo
8:00 pm - 5:10 am
SEA
-
HKG
18h 10m1 stop
$563Multiple Airlines
Mon, Mar 30 - Sat, Apr 25
Multiple Airlines Logo
11:15 am - 6:40 pm
HKG
-
SEA
23h 25m1 stop
Multiple Airlines Logo
5:50 am - 10:50 pm
SEA
-
HKG
25h 00m2 stops
$576Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
Air Canada Logo
7:25 pm - 9:15 am
HKG
-
PDX
28h 50m1 stop
Air Canada Logo
7:05 pm - 5:40 pm
PDX
-
HKG
31h 35m1 stop
$846Air Canada
Thu, Mar 19 - Mon, Mar 23
STARLUX Airlines Logo
7:45 pm - 7:03 pm
HKG
-
GEG
39h 18m2 stops
STARLUX Airlines Logo
7:49 pm - 7:20 pm
GEG
-
HKG
31h 31m2 stops
$911STARLUX Airlines
Wed, Feb 4 - Sun, Feb 8
Air Canada Logo
7:25 pm - 6:30 pm
HKG
-
PDX
14h 05m1 stop
Air Canada Logo
7:05 pm - 5:40 pm
PDX
-
HKG
31h 35m1 stop
$955Air Canada
Thu, Mar 19 - Mon, Mar 23
STARLUX Airlines Logo
7:45 pm - 7:03 pm
HKG
-
GEG
39h 18m2 stops
STARLUX Airlines Logo
6:00 pm - 10:10 am
GEG
-
HKG
24h 10m2 stops
$960STARLUX Airlines
Wed, Feb 4 - Sun, Feb 8
United Airlines Logo
11:25 am - 11:04 pm
HKG
-
PDX
26h 39m2 stops
United Airlines Logo
7:49 pm - 5:45 am
PDX
-
HKG
18h 56m1 stop
$1,096United Airlines
Thu, Mar 19 - Mon, Mar 23
United Airlines Logo
11:25 am - 6:47 pm
HKG
-
PDX
22h 22m2 stops
United Airlines Logo
7:15 am - 6:55 pm
PDX
-
HKG
20h 40m1 stop
$1,110United Airlines
Wed, Mar 18 - Wed, Apr 15

Philippine Airlines flights from Hong Kong to State of Washington

Our best Philippine Airlines deals on Hong Kong to State of Washington flight tickets
Philippine Airlines
Feb 3
HKG10:45 pmHong Kong Intl
35h 55m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
Mar 4
SEA9:30 pmSeattle/Tacoma Intl
23h 00m
1 stop
HKG12:30 pmHong Kong Intl
$551
Find similar
Philippine Airlines
Jun 10
HKG11:30 amHong Kong Intl
23h 35m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Jun 30
SEA11:10 pmSeattle/Tacoma Intl
31h 45m
1 stop
HKG9:55 pmHong Kong Intl
$559
Find similar
Philippine Airlines
Jun 13
HKG11:15 pmHong Kong Intl
35h 50m
1 stop
SEA8:05 pmSeattle/Tacoma Intl
Jun 17
SEA11:10 pmSeattle/Tacoma Intl
31h 45m
1 stop
HKG9:55 pmHong Kong Intl
$560
Find similar

United Airlines flights from Hong Kong to State of Washington

Our best United Airlines deals on Hong Kong to State of Washington flight tickets
United Airlines
Feb 13
HKG10:35 amHong Kong Intl
30h 24m
1 stop
SEA12:59 amSeattle/Tacoma Intl
Feb 23
SEA5:05 amSeattle/Tacoma Intl
22h 15m
1 stop
HKG7:20 pmHong Kong Intl
$626
Find similar
United Airlines
Apr 4
HKG11:45 amHong Kong Intl
37h 01m
2 stops
SEA9:46 amSeattle/Tacoma Intl
Apr 10
SEA6:20 amSeattle/Tacoma Intl
21h 35m
2 stops
HKG6:55 pmHong Kong Intl
$667
Find similar
United Airlines
Apr 2
HKG11:45 amHong Kong Intl
21h 50m
1 stop
SEA6:35 pmSeattle/Tacoma Intl
Apr 11
SEA8:42 amSeattle/Tacoma Intl
19h 13m
1 stop
HKG6:55 pmHong Kong Intl
$676
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Hong Kong to State of Washington 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 December 22, 2025.
Use the filters below to find and compare flights from Hong Kong to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2/3

10:45 pm-6:40 pm

1 stop35h 55m

Seattle/Tacoma Intl

Wed 3/4

9:30 pm-12:30 pm

1 stop23h 00m

$551

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 6/10

11:30 am-8:05 pm

1 stop23h 35m

Seattle/Tacoma Intl

Tue 6/30

11:10 pm-9:55 pm

1 stop31h 45m

$559

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 3/30

11:15 pm-8:05 pm

1 stop35h 50m

Seattle/Tacoma Intl

Sat 4/25

8:00 pm-5:10 am

1 stop18h 10m

$563

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Tue 2/3

11:15 am-6:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Tue 2/10

5:50 am-10:50 pm

2 stops25h 00m

$576

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Thu 3/19

7:25 pm-9:15 am

1 stop28h 50m

Portland

Mon 3/23

7:05 pm-5:40 pm

1 stop31h 35m

$846

Hong KongSpokane

HKG - GEG

HKGGEG

Hong Kong Intl

Wed 2/4

7:45 pm-7:03 pm

2 stops39h 18m

Spokane

Sun 2/8

7:49 pm-7:20 pm

2 stops31h 31m

$911

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Thu 3/19

7:25 pm-6:30 pm

1 stop14h 05m

Portland

Mon 3/23

7:05 pm-5:40 pm

1 stop31h 35m

$955

Hong KongSpokane

HKG - GEG

HKGGEG

Hong Kong Intl

Wed 2/4

7:45 pm-7:03 pm

2 stops39h 18m

Spokane

Sun 2/8

6:00 pm-10:10 am

2 stops24h 10m

$960

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Thu 3/19

11:25 am-11:04 pm

2 stops26h 39m

Portland

Mon 3/23

7:49 pm-5:45 am

1 stop18h 56m

$1,096

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Wed 3/18

11:25 am-6:47 pm

2 stops22h 22m

Portland

Wed 4/15

7:15 am-6:55 pm

1 stop20h 40m

$1,110

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 Washington from

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

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 State of Washington?

The month of November is, on average, the cheapest month to fly to State of Washington from Hong Kong, with most prices found around $678. If you aren’t able to travel to State of Washington during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $730.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Hong Kong to State of Washington is on a Monday. Travelers who choose to depart for State of Washington on a Monday will often find tickets for as low as $989. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Hong Kong to State of Washington for around $1,133.

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

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Hong Kong when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $856 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Hong Kong for as low as $705 on momondo.

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

There is only 1 cabin class available to choose from on Hong Kong Intl to Washington 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 Hong Kong to State of Washington flights?

You could potentially save up to 47% on your flight if you consider stops on a Hong Kong to State of Washington flight.

Cheap Hong Kong to State of Washington flight deals and tips

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

Fastest flight time

11h 40m

Direct flights

Tue, Wed, Thu, Fri and Sun

Airports in State of Washington

96 airports
The fastest flight from Hong Kong to State of Washington takes 11h 40m
Direct flights go from Hong Kong to State of Washington on Tuesday, Wednesday, Thursday, Friday and Sunday. The only airline offering direct flights is Cathay Pacific.
There are 96 airports in State of Washington. From Hong Kong there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

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

    Prices for flights from Hong Kong Intl Airport to Washington are updated daily.

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

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

    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 Hong Kong Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Hong Kong to State of Washington?

Best airlines flying from Hong Kong to State of Washington

Compare and see reviews for airlines that fly from Hong Kong to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
China AirlinesPriceFrom $605Free CancellationRating
8.3
792 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $632Free CancellationRating
8.2
496 reviews
Search Asiana Airlines flights
EVA AirPriceFrom $723Free CancellationRating
8.4
1,298 reviews
Search EVA Air flights
United AirlinesPriceFrom $818Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights
DeltaPriceFrom $834Free CancellationRating
7.9
8,014 reviews
Search Delta flights

Why use momondo?

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

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 Hong Kong to Washington for you.

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

momondo does allow users to show only those flights to Washington from Hong Kong which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Hong Kong to Washington.

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

If you are not ready to book a flight from Hong Kong to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

An easier way to manage your State of Washington trip

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