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Cheap flights from Hong Kong to Washington from $426

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 2/19. 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
11:15 pm - 8:05 pm
HKG
-
SEA
35h 50m
1 stop
Philippine Airlines Logo
11:10 pm - 9:55 pm
SEA
-
HKG
31h 45m
1 stop
$557Philippine Airlines
Tue, Jul 21 - Tue, Sep 29
Philippine Airlines Logo
1:40 pm - 7:40 pm
HKG
-
SEA
21h 00m
1 stop
Philippine Airlines Logo
10:30 pm - 9:45 pm
SEA
-
HKG
32h 15m
1 stop
$559Philippine Airlines
Fri, Mar 20 - Tue, Mar 24
Philippine Airlines Logo
11:15 am - 7:40 pm
HKG
-
SEA
23h 25m
1 stop
Philippine Airlines Logo
10:30 pm - 9:45 pm
SEA
-
HKG
32h 15m
1 stop
$560Philippine Airlines
Fri, Mar 20 - Tue, Mar 24
China Airlines Logo
8:10 pm - 7:15 pm
HKG
-
SEA
14h 05m
1 stop
China Airlines Logo
1:15 am - 10:05 am
SEA
-
HKG
17h 50m
1 stop
$604China Airlines
Sat, Jun 13 - Tue, Jun 16
EVA Air Logo
7:40 pm - 6:10 pm
HKG
-
SEA
14h 30m
1 stop
EVA Air Logo
11:50 pm - 9:00 am
SEA
-
HKG
18h 10m
1 stop
$609EVA Air
Sat, Mar 7 - Sat, Mar 14
EVA Air Logo
11:05 am - 7:30 pm
HKG
-
SEA
23h 25m
1 stop
EVA Air Logo
1:30 am - 2:25 pm
SEA
-
HKG
21h 55m
1 stop
$610EVA Air
Mon, Apr 6 - Fri, Apr 24
Multiple Airlines Logo
7:40 pm - 11:44 pm
HKG
-
PDX
19h 04m
2 stops
Multiple Airlines Logo
7:27 pm - 8:50 am
PDX
-
HKG
22h 23m
2 stops
$789Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Multiple Airlines Logo
12:35 pm - 9:38 pm
HKG
-
PDX
24h 03m
2 stops
Multiple Airlines Logo
2:37 pm - 5:45 am
PDX
-
HKG
24h 08m
1 stop
$939Multiple Airlines
Tue, Mar 24 - Tue, Mar 31
Delta Logo
12:20 pm - 11:44 pm
HKG
-
GEG
26h 24m
2 stops
Delta Logo
6:30 am - 5:00 am
GEG
-
HKG
31h 30m
1 stop
$1,156Delta
Mon, Jul 20 - Mon, Oct 5
Delta Logo
9:25 am - 3:41 pm
HKG
-
GEG
21h 16m
1 stop
Delta Logo
2:45 pm - 5:00 am
GEG
-
HKG
23h 15m
1 stop
$1,158Delta
Tue, Jul 14 - Wed, Sep 30

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
Jun 13
HKG8:10 pmHong Kong Intl
14h 05m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 16
SEA1:15 amSeattle/Tacoma Intl
17h 50m
1 stop
HKG10:05 amHong Kong Intl
$604
China Airlines
May 16
HKG5:35 pmHong Kong Intl
16h 40m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 15
SEA1:15 amSeattle/Tacoma Intl
17h 50m
1 stop
HKG10:05 amHong Kong Intl
$656
China Airlines
May 17
HKG8:10 pmHong Kong Intl
14h 05m
1 stop
SEA7:15 pmSeattle/Tacoma Intl
Jun 14
SEA1:10 amSeattle/Tacoma Intl
17h 05m
1 stop
HKG9:15 amHong Kong Intl
$694

EVA Air flights from Hong Kong to State of Washington

Our best EVA Air deals on Hong Kong to State of Washington flight tickets
EVA Air
Mar 7
HKG7:40 pmHong Kong Intl
14h 30m
1 stop
SEA6:10 pmSeattle/Tacoma Intl
Mar 14
SEA11:50 pmSeattle/Tacoma Intl
18h 10m
1 stop
HKG9:00 amHong Kong Intl
$609
EVA Air
Apr 6
HKG11:05 amHong Kong Intl
23h 25m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Apr 24
SEA1:30 amSeattle/Tacoma Intl
21h 55m
1 stop
HKG2:25 pmHong Kong Intl
$610
EVA Air
Apr 4
HKG7:40 pmHong Kong Intl
14h 50m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
Apr 9
SEA12:30 amSeattle/Tacoma Intl
20h 35m
1 stop
HKG12:05 pmHong Kong Intl
$645

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 February 9, 2026.
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 7/21

11:15 pm-8:05 pm

1 stop35h 50m

Seattle/Tacoma Intl

Tue 9/29

11:10 pm-9:55 pm

1 stop31h 45m

$557

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3/20

1:40 pm-7:40 pm

1 stop21h 00m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-9:45 pm

1 stop32h 15m

$559

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Fri 3/20

11:15 am-7:40 pm

1 stop23h 25m

Seattle/Tacoma Intl

Tue 3/24

10:30 pm-9:45 pm

1 stop32h 15m

$560

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 6/13

8:10 pm-7:15 pm

1 stop14h 05m

Seattle/Tacoma Intl

Tue 6/16

1:15 am-10:05 am

1 stop17h 50m

$604

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Sat 3/7

7:40 pm-6:10 pm

1 stop14h 30m

Seattle/Tacoma Intl

Sat 3/14

11:50 pm-9:00 am

1 stop18h 10m

$609

Hong KongSeattle

HKG - SEA

HKGSEA

Hong Kong Intl

Mon 4/6

11:05 am-7:30 pm

1 stop23h 25m

Seattle/Tacoma Intl

Fri 4/24

1:30 am-2:25 pm

1 stop21h 55m

$610

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Tue 3/24

7:40 pm-11:44 pm

2 stops19h 04m

Portland

Tue 3/31

7:27 pm-8:50 am

2 stops22h 23m

$789

Hong KongPortland

HKG - PDX

HKGPDX

Hong Kong Intl

Tue 3/24

12:35 pm-9:38 pm

2 stops24h 03m

Portland

Tue 3/31

2:37 pm-5:45 am

1 stop24h 08m

$939

Hong KongSpokane

HKG - GEG

HKGGEG

Hong Kong Intl

Mon 7/20

12:20 pm-11:44 pm

2 stops26h 24m

Spokane

Mon 10/5

6:30 am-5:00 am

1 stop31h 30m

$1,156

Hong KongSpokane

HKG - GEG

HKGGEG

Hong Kong Intl

Tue 7/14

9:25 am-3:41 pm

1 stop21h 16m

Spokane

Wed 9/30

2:45 pm-5:00 am

1 stop23h 15m

$1,158

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 January is, on average, the cheapest month to fly to State of Washington from Hong Kong, with most prices found around $641. If you aren’t able to travel to State of Washington during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $668.

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 $803 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 $694 on momondo.

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

There are 2 cabin classes 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 34% 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 $608Free CancellationRating
8.3
803 reviews
Search China Airlines flights
Asiana AirlinesPriceFrom $632Free CancellationRating
8.1
505 reviews
Search Asiana Airlines flights
EVA AirPriceFrom $679Free CancellationRating
8.4
1,347 reviews
Search EVA Air flights
United AirlinesPriceFrom $713Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
DeltaPriceFrom $801Free CancellationRating
7.9
8,174 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.

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