Hong Kong

$283+ Cheap flights from Washington to Hong Kong

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Feb 7 — Feb 141
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Hong Kong with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Hong Kong

Keep the following information in mind while searching for Washington to Hong Kong flight deals. Data was last updated January 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$519
(Air Canada)

One-way from

$283
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$708

Good round-trip deal

$887 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Hong Kong Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hong Kong Intl flights.
From Washington to Hong Kong
One-way flight from Washington to Hong Kong
Highest demand for flights based on searches. 9% potential increase in price ($90 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Washington to Hong Kong.

Find flight deals from Washington to Hong Kong

Cheapest flights from Washington to Hong Kong
Explore the most affordable flight options available from Washington to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Air Canada deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/257:00 pmPDX - HKG
1 stop31h 40mAir Canada
Wed 1/288:25 pmHKG - PDX
1 stop28h 50mAir Canada
Deal found 1/6$519
This FlightHub deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/147:57 pmPDX - HKG
2 stops54h 43mAir Canada
Wed 2/188:25 pmHKG - PDX
2 stops42h 34mAir Canada
Deal found 1/6$541
This Air Canada deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:15 pmPDX - HKG
1 stop23h 00mMultiple Airlines
Thu 4/3010:25 amHKG - PDX
2 stops19h 15mMultiple Airlines
Deal found 1/6$542
This Air Canada deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:25 pmPDX - HKG
1 stop22h 45mMultiple Airlines
Thu 10/810:25 amHKG - PDX
2 stops19h 20mMultiple Airlines
Deal found 1/5$544
This Air Canada deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:15 pmPDX - HKG
1 stop23h 00mAir Canada
Thu 4/309:45 amHKG - PDX
1 stop14h 30mAir Canada
Deal found 1/8$545
This Gotogate deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:50 amPDX - HKG
2 stops20h 50mMultiple Airlines
Thu 4/3010:25 amHKG - PDX
2 stops19h 15mMultiple Airlines
Deal found 1/7$547
This Air Canada deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/29:50 amPDX - HKG
1 stop16h 50mAir Canada
Tue 2/1010:00 amHKG - PDX
2 stops20h 40mAir Canada
Deal found 1/8$548
This Air Canada deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/199:50 amPDX - HKG
2 stops20h 50mMultiple Airlines
Wed 2/188:25 pmHKG - PDX
1 stop28h 50mMultiple Airlines
Deal found 1/7$552
This lastminute.com deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1112:10 amSEA - HKG
1 stop30h 30mAsiana Airlines
Sun 1/2512:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 1/6$585
This CrystalTravel deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:10 amSEA - HKG
1 stop20h 50mAsiana Airlines
Mon 4/131:00 pmHKG - SEA
1 stop16h 55mAsiana Airlines
Deal found 1/7$588
This FlightHub deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/712:10 amSEA - HKG
1 stop19h 50mAsiana Airlines
Sun 3/1512:40 amHKG - SEA
1 stop29h 15mAsiana Airlines
Deal found 1/7$590
This FlightHub deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:55 amSEA - HKG
1 stop19h 45mAsiana Airlines
Thu 4/231:00 pmHKG - SEA
1 stop16h 55mAsiana Airlines
Deal found 1/7$591

Cheapflights Fare Finder

 
Customize your flight search to find flights from 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Washington to Hong Kong that are best for you.

Fly from

Washington

Fly to

Hong Kong

Route

Depart

Return

Price

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 3/8

12:36 pm-5:45 am

1 stop26h 09m

Hong Kong Intl

Tue 3/10

12:05 am-2:20 pm

1 stop29h 15m

$596

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/10

9:20 am-7:20 pm

1 stop19h 00m

Hong Kong Intl

Thu 3/12

2:20 pm-2:20 pm

1 stop15h 00m

$596

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/9

5:20 pm-7:15 pm

2 stops34h 55m

Hong Kong Intl

Thu 3/12

2:20 pm-2:20 pm

1 stop15h 00m

$600

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 3/16

7:49 pm-5:45 am

1 stop18h 56m

Hong Kong Intl

Wed 3/18

12:05 am-11:04 pm

2 stops37h 59m

$606

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 4/7

8:55 am-5:00 am

2 stops29h 05m

Hong Kong Intl

Fri 4/10

11:45 am-9:46 am

2 stops37h 01m

$613

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/10

7:15 am-4:50 pm

2 stops42h 35m

Hong Kong Intl

Fri 3/13

12:35 pm-9:46 pm

2 stops24h 11m

$614

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 3/10

12:35 pm-11:10 pm

1 stop19h 35m

Hong Kong Intl

Sun 3/15

6:10 pm-2:20 pm

1 stop35h 10m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 4/13

1:00 pm-10:30 pm

1 stop18h 30m

Hong Kong Intl

Fri 4/24

12:20 pm-1:07 pm

1 stop15h 47m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 3/9

12:35 pm-4:50 pm

1 stop37h 15m

Hong Kong Intl

Tue 3/17

12:35 pm-2:20 pm

1 stop16h 45m

$624

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 2/11

11:25 am-11:10 pm

1 stop19h 45m

Hong Kong Intl

Fri 2/27

12:55 am-1:20 pm

1 stop28h 25m

$624

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 48 results
1
2
3
...
5

Best time to book a flight from Washington to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Hong Kong

What is the cheapest month to book a flight from State of Washington to Hong Kong?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $475). Flying from State of Washington to Hong Kong in June is currently the most expensive (average of $683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Hong Kong. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How popular is this State of Washington to Hong Kong flight route?

  • How long is the flight from State of Washington to Hong Kong?

    Airlines like United Airlines, Korean Air, and STARLUX Airlines fly from State of Washington to Hong Kong in about 26h 09m. The time it takes to get you to your destination can typically vary by up to 16h 26m. State of Washington and Hong Kong are separated by a distance of 6484 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Hong Kong one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $219. Users have also found prices from $229 and $307 on Philippine Airlines and ANA, respectively.

  • Can I find deals for flights from Washington to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Washington to Hong Kong flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Hong Kong.

  • Can I find deals for business class flights from Washington to Hong Kong?

    Yes. Cheapflights offers flight deals from Washington to Hong Kong by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Hong Kong?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $475). Flying from State of Washington to Hong Kong in June is currently the most expensive (average of $683). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Washington to Hong Kong

Discover the top 10 airlines that operate flights from Washington to Hong Kong. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$480Average$679FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$765FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$584Average$711FlexibilityNo cancel feeOn-time76%
Philippine AirlinesCheapest$603Average$658FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$623Average$790FlexibilityNo cancel feeOn-time81%
ANACheapest$634Average$746FlexibilityNo cancel feeOn-time80%
DeltaCheapest$669Average$849FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$703Average$1,054FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$752Average$844FlexibilityNo cancel feeOn-time70%
STARLUX AirlinesCheapest$779Average$887FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.