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$399+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HKG
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$717
(ezTravel 易遊網)

One-way from

$399
(Air Canada)

Popular in

June

Cheapest in

March

Average price

$813
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
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One-way flight from Washington to Hong Kong
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Highest demand for flights based on searches. 19% potential increase in price ($239 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 30, 2025.

This ezTravel 易遊網 deal was found by Cheapflights users on 4/29. 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 ezTravel 易遊網 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/77:40 pmPDX - HKG
1 stop29h 25mAir Canada
Sun 10/267:25 pmHKG - PDX
1 stop29h 09mAir Canada
Deal found 4/29$717
This United Airlines deal was found by Cheapflights users on 4/29. 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 4/293:45 pmPDX - HKG
1 stop22h 15mUnited Airlines
Thu 5/110:30 pmHKG - PDX
1 stop17h 01mUnited Airlines
Deal found 4/29$769
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/79:10 amPDX - HKG
2 stops22h 20mKorean Air
Tue 5/2012:45 amHKG - PDX
2 stops29h 05mKorean Air
Deal found 4/28$780
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/86:15 amSEA - HKG
1 stop19h 30mUnited Airlines
Mon 7/79:15 amHKG - SEA
2 stops26h 41mUnited Airlines
Deal found 4/29$784
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/43:20 pmSEA - HKG
2 stops28h 20mKorean Air
Thu 5/812:45 amHKG - SEA
2 stops31h 00mKorean Air
Deal found 4/28$785
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Wed 4/307:54 amPDX - HKG
2 stops37h 36mANA
Tue 5/132:45 pmHKG - PDX
2 stops42h 28mANA
Deal found 4/29$787
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:35 amPDX - HKG
2 stops25h 55mDelta
Tue 5/2012:45 amHKG - PDX
2 stops33h 35mDelta
Deal found 4/28$789
This China Airlines deal was found by Cheapflights users on 4/27. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:10 amSEA - HKG
1 stop17h 55mChina Airlines
Mon 10/208:10 amHKG - SEA
1 stop26h 10mChina Airlines
Deal found 4/27$791
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Tue 8/194:30 pmSEA - HKG
1 stop29h 00mANA
Mon 8/252:35 pmHKG - SEA
1 stop14h 50mANA
Deal found 4/28$803
This ANA deal was found by Cheapflights users on 4/28. 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 ANA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/155:35 pmSEA - HKG
2 stops27h 55mMultiple Airlines
Wed 11/122:20 pmHKG - SEA
2 stops25h 06mMultiple Airlines
Deal found 4/28$804
This oojo deal was found by Cheapflights users on 4/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/282:15 pmSEA - HKG
1 stop30h 25mAsiana Airlines
Sun 5/412:30 amHKG - SEA
1 stop27h 00mAsiana Airlines
Deal found 4/27$821
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/221:05 pmSEA - HKG
1 stop30h 35mDelta
Sun 9/2812:45 amHKG - SEA
1 stop27h 55mDelta
Deal found 4/28$825

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 April 30, 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

Sun 9/7

7:40 pm-4:05 pm

1 stop29h 25m

Hong Kong Intl

Sun 10/26

7:25 pm-9:34 am

1 stop29h 09m

$717

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/9

5:30 am-6:55 pm

1 stop22h 25m

Hong Kong Intl

Thu 9/25

11:15 am-6:32 pm

1 stop22h 17m

$776

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Fri 10/17

6:45 am-4:45 pm

1 stop19h 00m

Hong Kong Intl

Sat 10/25

9:15 am-9:38 pm

1 stop27h 23m

$784

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Sun 10/19

3:15 pm-4:20 pm

2 stops34h 05m

Hong Kong Intl

Mon 10/27

12:35 pm-8:31 pm

2 stops22h 56m

$785

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Tue 9/2

9:10 am-10:30 pm

2 stops22h 20m

Hong Kong Intl

Mon 9/22

12:45 am-5:06 pm

2 stops31h 21m

$785

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Wed 10/15

7:30 am-12:30 pm

2 stops38h 00m

Hong Kong Intl

Tue 10/21

2:45 pm-6:32 pm

2 stops42h 47m

$788

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 10/14

1:10 am-10:05 am

1 stop17h 55m

Hong Kong Intl

Mon 10/20

8:10 am-7:20 pm

1 stop26h 10m

$791

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Tue 8/19

4:30 pm-12:30 pm

1 stop29h 00m

Hong Kong Intl

Mon 8/25

2:35 pm-2:25 pm

1 stop14h 50m

$803

SeattleHong Kong

SEA - HKG

SEAHKG

Seattle/Tacoma Intl

Wed 10/15

5:35 pm-12:30 pm

2 stops27h 55m

Hong Kong Intl

Wed 11/12

2:20 pm-11:26 pm

2 stops25h 06m

$804

PortlandHong Kong

PDX - HKG

PDXHKG

Portland

Mon 9/8

9:10 am-4:20 pm

2 stops40h 10m

Hong Kong Intl

Thu 9/11

12:45 am-5:06 pm

2 stops31h 21m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 48 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, February is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $991). Flying from State of Washington to Hong Kong in July is currently the most expensive (average of $1,647). 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 HK?

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 April 30, 2025.

When flying from State of Washington to Hong Kong, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Hong Kong by month

Plan your trip to Hong Kong by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hong Kong ranges from 0.8 - 15.4 inches per month. June is typically the wettest month, when rainfall can reach 15.4 in. January is typically the driest time to visit Hong Kong when rainfall is around 0.8 in.

Temperature in Hong Kong by month

Plan your trip to Hong Kong by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hong Kong, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Hong Kong

Get insights into the airlines that provide service to Hong Kong. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Hong Kong. Reviews last updated April 30, 2025.
To help decide which airline to fly from Washington to Hong Kong, see what other customers have to say about STARLUX Airlines, EVA Air and Korean Air. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
EVA Air
8.4
Very good
1,186 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,066 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,459 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
China Airlines
8.3
Very good
732 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Overall

9.1

Crew

9.3

Food

8.9

Boarding

9.0

Comfort

9.0

Entertainment

9.0

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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 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 $399. Users have also found prices from $428 and $478 on Japan Airlines and Asiana Airlines, 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, February is the cheapest month in which you can book a flight from State of Washington to Hong Kong (average of $991). Flying from State of Washington to Hong Kong in July is currently the most expensive (average of $1,647). 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

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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$635Average$719FlexibilityNo cancel feeOn-time67%
Philippine AirlinesCheapest$683Average$754FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$722Average$830FlexibilityNo cancel feeOn-time76%
ANACheapest$735Average$898FlexibilityNo cancel feeOn-time80%
Korean AirCheapest$742Average$835FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$750Average$823FlexibilityNo cancel feeOn-time79%
DeltaCheapest$774Average$942FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$784Average$1,105FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$789Average$890FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$879Average$1,000FlexibilityNo cancel feeOn-time74%

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