Cheap flights from Hong Kong to Washington 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 Washington departing on 2/4. 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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Recent round-trip flight deals from Hong Kong to Washington

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Philippine Airlines Logo
6:55 pm - 6:40 pmHKG-SEA
15h 45m1 stop
Philippine Airlines Logo
9:30 pm - 5:55 pmSEA-HKG
28h 25m1 stop
$553Philippine Airlines
Find Deal
Thu, Nov 27 - Sun, Dec 7
Philippine Airlines Logo
6:55 pm - 6:40 pmHKG-SEA
15h 45m1 stop
Philippine Airlines Logo
9:30 pm - 12:30 pmSEA-HKG
23h 00m1 stop
$555Philippine Airlines
Find Deal
Fri, Feb 13 - Fri, Feb 20
Philippine Airlines Logo
11:15 am - 6:40 pmHKG-SEA
23h 25m1 stop
Philippine Airlines Logo
11:05 pm - 10:10 amSEA-HKG
20h 05m1 stop
$600Philippine Airlines
Find Deal
Fri, Dec 26 - Sun, May 10
Air Canada Logo
8:25 pm - 10:46 pmHKG-SEA
18h 21m1 stop
Air Canada Logo
10:05 am - 6:40 pmSEA-HKG
16h 35m1 stop
$613Air Canada
Find Deal
Wed, Dec 24 - Sat, Jan 17
Air Canada Logo
8:25 pm - 10:46 pmHKG-SEA
18h 21m1 stop
Air Canada Logo
8:00 pm - 6:40 pmSEA-HKG
30h 40m1 stop
$614Air Canada
Find Deal
Wed, Dec 24 - Sat, Jan 17
STARLUX Airlines Logo
11:20 am - 4:10 pmHKG-SEA
19h 50m1 stop
STARLUX Airlines Logo
1:15 am - 9:55 amSEA-HKG
17h 40m1 stop
$621STARLUX Airlines
Find Deal
Fri, Apr 3 - Tue, Apr 28
United Airlines Logo
10:45 pm - 11:57 pmHKG-SEA
17h 12m1 stop
United Airlines Logo
6:03 am - 7:20 pmSEA-HKG
21h 17m1 stop
$624United Airlines
Find Deal
Fri, Dec 26 - Sat, Jan 17
United Airlines Logo
10:35 am - 12:59 amHKG-SEA
29h 24m1 stop
United Airlines Logo
6:20 am - 6:55 pmSEA-HKG
21h 35m2 stops
$655United Airlines
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Sun, Mar 15 - Sun, Apr 5
EVA Air Logo
9:45 pm - 1:19 pmHKG-PDX
30h 34m2 stops
EVA Air Logo
5:30 pm - 10:05 amPDX-HKG
25h 35m2 stops
$850EVA Air
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Mon, Apr 6 - Fri, Apr 24
Delta Logo
12:45 am - 9:04 pmHKG-GEG
35h 19m2 stops
Delta Logo
9:10 am - 10:55 amGEG-HKG
34h 45m2 stops
$1,447Delta
Find Deal
Mon, Apr 13 - Sat, Apr 18

China Airlines flights from Hong Kong to State of Washington

Our best China Airlines deals on Hong Kong to State of Washington flight tickets
China Airlines
Nov 23
HKG11:10 amHong Kong Intl
23h 00m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 1
SEA12:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
China Airlines
Nov 20
HKG8:05 pmHong Kong Intl
14h 05m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Dec 2
SEA12:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
China Airlines
Feb 9
HKG8:05 pmHong Kong Intl
14h 05m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Feb 26
SEA12:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl

Delta flights from Hong Kong to State of Washington

Our best Delta deals on Hong Kong to State of Washington flight tickets
Delta
Feb 8
HKG12:55 amHong Kong Intl
28h 25m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
Feb 26
SEA11:25 amSeattle/Tacoma Intl
19h 45m
1 stop
HKG11:10 pmHong Kong Intl
Delta
Nov 19
HKG12:55 amHong Kong Intl
24h 05m
1 stop
SEA9:00 amSeattle/Tacoma Intl
Dec 3
SEA7:10 amSeattle/Tacoma Intl
24h 00m
2 stops
HKG11:10 pmHong Kong Intl
Delta
Nov 19
HKG12:55 amHong Kong Intl
32h 05m
2 stops
SEA5:00 pmSeattle/Tacoma Intl
Dec 3
SEA4:40 pmSeattle/Tacoma Intl
38h 30m
2 stops
HKG11:10 pmHong Kong Intl

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 November 17, 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

Thu 11/27

6:55 pm-6:40 pm

1 stop15h 45m

Seattle/Tacoma Intl

Sun 12/7

9:30 pm-5:55 pm

1 stop28h 25m

$553

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 2/13

6:55 pm-6:40 pm

1 stop15h 45m

Seattle/Tacoma Intl

Fri 2/20

9:30 pm-12:30 pm

1 stop23h 00m

$555

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 12/26

11:15 am-6:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Sun 5/10

11:05 pm-10:10 am

1 stop20h 05m

$600

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

8:25 pm-10:46 pm

1 stop18h 21m

Seattle/Tacoma Intl

Sat 1/17

10:05 am-6:40 pm

1 stop16h 35m

$613

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Wed 12/24

8:25 pm-10:46 pm

1 stop18h 21m

Seattle/Tacoma Intl

Sat 1/17

8:00 pm-6:40 pm

1 stop30h 40m

$614

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 4/3

11:20 am-4:10 pm

1 stop19h 50m

Seattle/Tacoma Intl

Tue 4/28

1:15 am-9:55 am

1 stop17h 40m

$621

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 12/26

10:45 pm-11:57 pm

1 stop17h 12m

Seattle/Tacoma Intl

Sat 1/17

6:03 am-7:20 pm

1 stop21h 17m

$624

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sun 3/15

10:35 am-12:59 am

1 stop29h 24m

Seattle/Tacoma Intl

Sun 4/5

6:20 am-6:55 pm

2 stops21h 35m

$655

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Mon 4/6

9:45 pm-1:19 pm

2 stops30h 34m

Portland

Fri 4/24

5:30 pm-10:05 am

2 stops25h 35m

$850

Hong KongSpokane

HKG - GEG

HKGGEG

Hong Kong Intl

Mon 4/13

12:45 am-9:04 pm

2 stops35h 19m

Spokane

Sat 4/18

9:10 am-10:55 am

2 stops34h 45m

$1,447

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 to Washington flight route?

Fly from Hong Kong Intl to Seattle/Tacoma Intl for the best Hong Kong - 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 $862 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 $717 on momondo.

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

There is only 1 cabin class available to choose from on Hong Kong 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 35% 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

1 airport
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 is 1 airport near State of Washington: Seattle/Tacoma Intl (SEA)
  • When did momondo last update prices for flights from Hong Kong to Washington?

    Prices for flights from Hong Kong to Washington refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hong Kong 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
Asiana AirlinesPriceFrom $644Free CancellationRating
8.2
487 reviews
Search Asiana Airlines flights
China AirlinesPriceFrom $669Free CancellationRating
8.3
779 reviews
Search China Airlines flights
EVA AirPriceFrom $730Free CancellationRating
8.4
1,276 reviews
Search EVA Air flights
United AirlinesPriceFrom $818Free CancellationRating
7.4
9,014 reviews
Search United Airlines flights
DeltaPriceFrom $834Free CancellationRating
7.9
8,006 reviews
Search Delta flights

Why use momondo?

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

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

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

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

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

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

Price alerts on flights to Washington from Hong Kong are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Wed 12/17
Wed 12/24

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