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$376+ Cheap flights from Washington, D.C. (WAS) 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.
WAS — HKG
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Hong Kong are usually found in September or February, booked 67 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Find flight deals from Washington, D.C. to Hong Kong

Cheapest flights from Washington, D.C. to Hong Kong
Explore the most affordable flight options available from Washington, D.C. to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Expedia deal was found by Cheapflights users on 11/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:45 amIAD - HKG
2 stops27h 15mMultiple Airlines
Mon 12/159:25 amHKG - IAD
2 stops24h 34mMultiple Airlines
Deal found 11/2$966
This oojo deal was found by Cheapflights users on 11/3. 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 11/106:13 pmIAD - HKG
2 stops26h 57mChina Airlines
Thu 2/1911:10 amHKG - IAD
2 stops31h 45mChina Airlines
Deal found 11/3$989
This oojo deal was found by Cheapflights users on 11/2. 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.
Wed 12/310:40 amIAD - HKG
1 stop22h 00mQatar Airways
Wed 12/1012:25 amHKG - IAD
1 stop28h 30mQatar Airways
Deal found 11/2$993
This oojo deal was found by Cheapflights users on 11/3. 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.
Tue 11/251:30 pmIAD - HKG
1 stop38h 35mTurkish Airlines
Sat 12/2711:20 pmHKG - IAD
1 stop25h 25mTurkish Airlines
Deal found 11/3$997
This oojo deal was found by Cheapflights users on 11/3. 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.
Tue 11/117:38 amBWI - HKG
2 stops36h 37mChina Airlines
Mon 12/82:05 pmHKG - BWI
2 stops28h 35mChina Airlines
Deal found 11/3$999
This Gotogate deal was found by Cheapflights users on 11/3. 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.
Thu 11/278:05 pmIAD - HKG
1 stop36h 35mQatar Airways
Mon 12/12:30 pmHKG - IAD
2 stops54h 50mQatar Airways
Deal found 11/3$1,002
This oojo deal was found by Cheapflights users on 11/4. 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 11/107:38 amBWI - HKG
2 stops37h 32mChina Airlines
Thu 2/1911:10 amHKG - BWI
2 stops43h 45mChina Airlines
Deal found 11/4$1,010
This FlightHub deal was found by Cheapflights users on 11/3. 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 11/111:30 pmIAD - HKG
1 stop29h 50mTurkish Airlines
Wed 12/1711:20 pmHKG - IAD
1 stop25h 25mTurkish Airlines
Deal found 11/3$1,011
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:20 pmIAD - HKG
1 stop35h 35mANA
Tue 11/112:20 pmHKG - IAD
1 stop38h 20mANA
Deal found 11/3$1,036
This Ovago deal was found by Cheapflights users on 11/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/28:20 amIAD - HKG
2 stops32h 25mANA
Mon 12/812:05 amHKG - IAD
1 stop22h 05mANA
Deal found 11/4$1,040
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/118:30 amIAD - HKG
2 stops39h 25mANA
Mon 12/82:20 pmHKG - IAD
1 stop31h 50mANA
Deal found 11/3$1,041
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:30 pmIAD - HKG
1 stop38h 35mTurkish Airlines
Wed 12/1711:20 pmHKG - IAD
1 stop25h 25mTurkish Airlines
Deal found 11/3$1,045

Cheap flight deals from Washington, D.C. to Hong Kong

Keep the following information in mind while searching for Washington, D.C. to Hong Kong flight deals. Data was last updated November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$948
(Gurufare)

One-way from

$376
(Air Canada)

Popular in

December

Cheapest in

September

Average price

$1,095
Provider with most accurate pricing for Washington, D.C. (WAS)-Hong Kong Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Hong Kong Intl flights.
Search Deals
From Washington, D.C. (WAS) to Hong Kong
Search Deals
One-way flight from Washington, D.C. (WAS) to Hong Kong
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 5, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Hong Kong that are best for you.

Fly from

Washington, D.C.

Fly to

Hong Kong

Route

Depart

Return

Price

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 11/24

3:59 pm-6:45 am

2 stops25h 46m

Hong Kong Intl

Thu 11/27

10:35 am-6:54 pm

2 stops21h 19m

$1,050

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 2/23

11:50 am-11:10 pm

1 stop22h 20m

Hong Kong Intl

Tue 3/3

12:55 am-9:50 am

1 stop21h 55m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 2/26

11:50 am-11:10 pm

1 stop22h 20m

Hong Kong Intl

Sun 4/26

12:20 pm-11:15 am

1 stop34h 55m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 2/4

11:50 am-4:50 pm

1 stop40h 00m

Hong Kong Intl

Tue 2/17

12:55 am-9:50 am

1 stop21h 55m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 2/19

11:50 am-11:10 pm

1 stop22h 20m

Hong Kong Intl

Mon 4/20

12:20 pm-11:15 am

1 stop34h 55m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 2/19

11:50 am-11:10 pm

1 stop22h 20m

Hong Kong Intl

Tue 4/21

12:20 pm-11:15 am

1 stop34h 55m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 2/25

11:50 am-11:20 am

1 stop34h 30m

Hong Kong Intl

Sun 4/26

5:55 pm-11:15 am

1 stop29h 20m

$1,062

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 3/5

1:02 pm-7:00 am

2 stops28h 58m

Hong Kong Intl

Tue 3/17

2:20 pm-4:40 pm

1 stop38h 20m

$1,066

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 2/3

7:15 am-11:10 pm

2 stops26h 55m

Hong Kong Intl

Tue 2/24

6:10 pm-9:50 am

1 stop28h 40m

$1,068

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 2/12

7:15 am-11:10 pm

2 stops26h 55m

Hong Kong Intl

Wed 2/25

12:55 am-9:50 am

1 stop21h 55m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 56 results
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Best time to book a flight from Washington, D.C. to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Washington, D.C. 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, D.C. to Hong Kong

How far ahead should I book a flight from Washington, D.C. to Hong Kong?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Hong Kong. Price data was last updated on October 31, 2025.

The best time to book flights from Washington, D.C. to Hong Kong is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Hong Kong?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $453). Flying from Washington, D.C. to Hong Kong in July is currently the most expensive (average of $1,240). 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 WAS to HK?

Find hourly flight availability from Washington, D.C. 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 5, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Hong Kong is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 22% on airfare.

What is the cheapest day to fly from Washington, D.C. to Hong Kong?

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

Travelers seeking maximum savings on their Washington, D.C. to Hong Kong flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 5, 2025.
Peruse reviews from past customers who have flown with Korean Air, Cathay Pacific, and United Airlines from Washington, D.C. to Hong Kong to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,160 reviews
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Cathay Pacific
7.6
Good
1,053 reviews
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
9,004 reviews
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Turkish Airlines
7.3
Good
4,034 reviews
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,409 reviews
Korean Air
8.4
Very good
1,160 reviews

Boarding

8.5

Entertainment

8.2

Comfort

8.3

Food

8.1

Overall

8.4

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 long is the flight from Washington, D.C. to Hong Kong?

    Departing from Washington, D.C. to Hong Kong will take you 22h 20m. The distance from Washington, D.C. to Hong Kong is about 8135 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 flying from Washington, D.C. to Hong Kong round-trip?

    Air Canada, at $453, was found to be the cheapest airline from Washington, D.C. to Hong Kong.Alternate airlines to your destination round-trip include Korean Air and Air China. Air Canada is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Washington, D.C. to Hong Kong?

    The most popular route from Washington, D.C. to Hong Kong is Washington, D.C. Dulles Intl - Hong Kong Intl. You may also consider Washington, D.C. Reagan-National - Hong Kong Intl or Baltimore/Washington - Hong Kong Intl.

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

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

  • How can I find direct flights from Washington, D.C. 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, D.C. to Hong Kong.

  • Can I find deals for business class flights from Washington, D.C. to Hong Kong?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Hong Kong?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $453). Flying from Washington, D.C. to Hong Kong in July is currently the most expensive (average of $1,240). 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

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Alternative routes for Washington, D.C. to Hong Kong

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington, D.C. to Hong Kong

Discover the top 9 airlines that operate flights from Washington, D.C. 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 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$453Average$844FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$693Average$1,146FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$722Average$920FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$937Average$1,027FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$1,043Average$1,476FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$1,049Average$1,340FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,069Average$1,363FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$1,081Average$1,419FlexibilityNo cancel feeOn-time72%
JetBlueCheapest$1,392Average$2,000FlexibilityNo cancel feeOn-time62%

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