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$316+ Cheap flights from Washington to Hong Kong (HKG)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
Dec 12 — Dec 191
Fri 12/12
Fri 12/19
1 adult, Economy
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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 November 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$580
(Air Canada)

One-way from

$316
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$765

Good round-trip deal

$762 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Hong Kong Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Hong Kong Intl flights.
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From Washington to Hong Kong Intl
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One-way flight from Washington to Hong Kong Intl
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Highest demand for flights based on searches. 7% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington to Hong Kong Intl.
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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 November 12, 2025.

This Air Canada deal was found by Cheapflights users on 11/12. 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 11/246:00 amPDX - HKG
2 stops44h 40mAir Canada
Mon 12/228:25 pmHKG - PDX
1 stop28h 50mAir Canada
Deal found 11/12$580
This Booking.com deal was found by Cheapflights users on 11/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:50 amPDX - HKG
1 stop16h 50mAir Canada
Tue 1/208:25 pmHKG - PDX
2 stops34h 23mAir Canada
Deal found 11/9$581
This FlightHub deal was found by Cheapflights users on 11/9. 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.
Tue 12/96:00 amPDX - HKG
2 stops31h 45mANA
Tue 1/2010:00 amHKG - PDX
2 stops24h 41mANA
Deal found 11/9$585
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:30 amPDX - HKG
1 stop19h 50mUnited Airlines
Mon 12/2210:30 pmHKG - PDX
1 stop16h 16mUnited Airlines
Deal found 11/12$590
This Air Canada deal was found by Cheapflights users on 11/11. 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 12/313:15 pmPDX - HKG
1 stop35h 25mAir Canada
Mon 2/98:25 pmHKG - PDX
2 stops56h 08mAir Canada
Deal found 11/11$591
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:38 pmPDX - HKG
2 stops31h 37mUnited Airlines
Wed 12/2411:25 amHKG - PDX
2 stops23h 23mUnited Airlines
Deal found 11/12$594
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/167:38 pmPDX - HKG
1 stop31h 42mUnited Airlines
Mon 12/2210:35 amHKG - PDX
1 stop24h 13mUnited Airlines
Deal found 11/12$596
This United Airlines deal was found by Cheapflights users on 11/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:00 amPDX - HKG
2 stops38h 55mUnited Airlines
Thu 12/1110:35 amHKG - PDX
1 stop20h 12mUnited Airlines
Deal found 11/11$600
This United Airlines deal was found by Cheapflights users on 11/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:00 amPDX - HKG
2 stops45h 15mUnited Airlines
Mon 12/2210:35 amHKG - PDX
2 stops28h 24mUnited Airlines
Deal found 11/12$605
This Air Canada deal was found by Cheapflights users on 11/12. 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.
Sat 11/227:00 pmPDX - HKG
1 stop31h 40mAir Canada
Wed 12/248:25 pmHKG - PDX
2 stops42h 21mAir Canada
Deal found 11/12$612
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/269:30 pmSEA - HKG
1 stop20h 45mPhilippine Airlines
Fri 11/286:55 pmHKG - SEA
1 stop15h 45mPhilippine Airlines
Deal found 11/11$697
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:10 amSEA - HKG
1 stop30h 30mMultiple Airlines
Wed 11/196:55 pmHKG - SEA
1 stop15h 45mMultiple Airlines
Deal found 11/12$699

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 November 12, 2025.
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

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 1/6

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Mon 2/9

10:35 am-6:48 pm

1 stop24h 13m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 1/6

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Tue 2/10

10:30 pm-12:39 am

1 stop18h 09m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 2/11

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Wed 3/4

10:35 am-6:47 pm

1 stop24h 12m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 3/16

7:38 am-7:20 pm

1 stop20h 42m

Hong Kong Intl

Mon 4/13

11:45 am-6:29 pm

1 stop21h 44m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 1/7

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Tue 2/10

10:35 am-6:56 pm

1 stop24h 21m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 3/2

5:45 am-7:20 pm

1 stop21h 35m

Hong Kong Intl

Thu 3/12

10:35 am-6:45 pm

1 stop23h 10m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 3/4

7:30 am-7:20 pm

1 stop19h 50m

Hong Kong Intl

Wed 4/29

11:45 am-6:29 pm

1 stop21h 44m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Thu 1/8

7:45 am-7:20 pm

1 stop19h 35m

Hong Kong Intl

Tue 2/10

10:30 pm-12:39 am

1 stop18h 09m

$590

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 3/24

5:15 am-5:45 am

2 stops33h 30m

Hong Kong Intl

Mon 4/13

12:40 pm-8:33 pm

2 stops22h 53m

$594

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Mon 1/26

11:25 am-11:10 pm

1 stop19h 45m

Hong Kong Intl

Sat 2/7

6:10 pm-1:20 pm

1 stop35h 10m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $504). 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.

What is the cheapest time of day to fly from WA to HKG?

Find hourly flight availability from Washington to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 12, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Hong Kong in the morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from State of Washington to Hong Kong?

Use this chart to determine the cheapest time to fly round-trip from Washington to Hong Kong. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Hong Kong flight should consider departing on Tuesday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • What airport do you fly into for flights to Hong Kong from Washington?

    If you book a flight to Hong Kong from Washington, you will be flying to Hong Kong Intl, which is the city’s only airport. Hong Kong Intl (HKG) is located 16.2 mi from the center of Hong Kong.

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

    Airlines like United Airlines, Delta, and Korean Air fly from State of Washington to Hong Kong in about 19h 35m. The time it takes to get you to your destination can typically vary by up to 17h. State of Washington and Hong Kong are separated by a distance of 6555 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 $329. Users have also found prices from $333 and $341 on Asiana Airlines and Philippine Airlines, respectively.

  • What are the most popular routes from State of Washington to Hong Kong?

    While some choose either Portland - Hong Kong Intl or Pasco Tri Cities - Hong Kong Intl, Seattle/Tacoma Intl - Hong Kong Intl is the most popular route from State of Washington to Hong Kong.

  • What are the cheapest flights from State of Washington to Hong Kong?

    Looking for the cheapest flight from State of Washington to Hong Kong? While on average our users pay $799, our data indicates the cheapest price to be $735. The most popular route (Seattle/Tacoma Intl - Hong Kong Intl), is priced around $625.

  • 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, September is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $504). 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.

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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 November 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$498Average$679FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$569Average$794FlexibilityNo cancel feeOn-time79%
Philippine AirlinesCheapest$603Average$661FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$661Average$770FlexibilityNo cancel feeOn-time76%
ANACheapest$674Average$778FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$677Average$822FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$707Average$1,075FlexibilityNo cancel feeOn-time69%
DeltaCheapest$724Average$932FlexibilityNo cancel feeOn-timeN/A
China AirlinesCheapest$759Average$858FlexibilityNo cancel feeOn-time70%
Cathay PacificCheapest$853Average$1,215FlexibilityNo cancel feeOn-time72%

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