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$374+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HKG
Sep 2 — Sep 91
Wed 9/2
Wed 9/9
1 adult, Economy
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Cheap 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 August 3, 2026.

This Air Canada deal was found by Cheapflights users on 8/1. 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 9/155:35 pm
BWI
-
HKG
2 stops23h 40m
Multiple Airlines
Tue 9/229:45 am
HKG
-
BWI
2 stops23h 58m
Multiple Airlines
Deal found 8/1$786
This Priceline deal was found by Cheapflights users on 7/31. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:29 am
IAD
-
HKG
1 stop32h 46m
Air Canada
Wed 9/239:45 am
HKG
-
IAD
1 stop32h 45m
Air Canada
Deal found 7/31$791
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Mon 8/248:29 am
IAD
-
HKG
1 stop32h 46m
Air Canada
Mon 9/289:30 am
HKG
-
IAD
2 stops41h 30m
Air Canada
Deal found 7/30$817
This FlightHub deal was found by Cheapflights users on 7/31. 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 9/158:29 am
IAD
-
HKG
1 stop32h 46m
Air Canada
Mon 10/2610:45 am
HKG
-
IAD
2 stops37h 03m
Air Canada
Deal found 7/31$822
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:29 am
IAD
-
HKG
2 stops26h 16m
Air Canada
Tue 10/2712:55 am
HKG
-
IAD
2 stops46h 50m
Air Canada
Deal found 7/30$824
This FlightHub deal was found by Cheapflights users on 7/31. 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 9/159:40 am
DCA
-
HKG
2 stops25h 05m
Air Canada
Sun 10/2512:55 am
HKG
-
DCA
2 stops33h 43m
Air Canada
Deal found 7/31$827
This Air Canada deal was found by Cheapflights users on 8/1. 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 9/158:29 am
IAD
-
HKG
1 stop32h 46m
Air Canada
Tue 9/229:45 am
HKG
-
IAD
2 stops23h 33m
Air Canada
Deal found 8/1$827
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2112:55 pm
DCA
-
HKG
2 stops52h 20m
Air Canada
Tue 10/2712:55 am
HKG
-
DCA
2 stops33h 43m
Air Canada
Deal found 7/30$828
This FlightHub deal was found by Cheapflights users on 7/31. 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 10/275:37 pm
IAD
-
HKG
2 stops47h 33m
Multiple Airlines
Wed 11/182:05 pm
HKG
-
IAD
2 stops38h 40m
Multiple Airlines
Deal found 7/31$828
This Expedia deal was found by Cheapflights users on 7/31. 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 9/14:20 pm
DCA
-
HKG
2 stops24h 55m
Air Canada
Wed 9/169:45 am
HKG
-
DCA
2 stops24h 05m
Air Canada
Deal found 7/31$829
This FlightHub deal was found by Cheapflights users on 7/29. 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.
Tue 8/189:40 am
DCA
-
HKG
2 stops24h 55m
Air Canada
Wed 9/169:30 am
HKG
-
DCA
2 stops24h 20m
Air Canada
Deal found 7/29$832
This FlightHub deal was found by Cheapflights users on 7/31. 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 11/312:55 pm
DCA
-
HKG
2 stops51h 15m
Air Canada
Wed 11/2510:45 am
HKG
-
DCA
2 stops38h 34m
Air Canada
Deal found 7/31$833

Find 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 August 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$786
(Air Canada)

One-way from

$374
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,079
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 ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Hong Kong that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 9/7

9:40 pm-7:25 am

1 stop21h 45m

Hong Kong Intl

Wed 9/23

8:55 am-11:30 am

1 stop38h 35m

$1,025

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 9/24

9:40 pm-7:25 am

1 stop21h 45m

Hong Kong Intl

Wed 10/21

8:55 am-11:30 am

1 stop38h 35m

$1,078

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 10/12

1:15 pm-7:25 am

1 stop30h 10m

Hong Kong Intl

Tue 10/27

9:45 am-8:25 pm

1 stop46h 40m

$1,158

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 10/7

9:40 pm-7:25 am

1 stop21h 45m

Hong Kong Intl

Tue 10/27

9:45 am-8:25 pm

1 stop46h 40m

$1,248

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 8/31

9:40 pm-5:15 pm

1 stop31h 35m

Hong Kong Intl

Mon 9/7

8:55 am-11:30 am

1 stop38h 35m

$1,253

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 10/7

9:40 pm-7:25 am

1 stop21h 45m

Hong Kong Intl

Sun 11/1

9:45 am-9:25 pm

1 stop47h 40m

$1,283

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Fri 8/21

4:55 pm-1:05 pm

3 stops32h 10m

Hong Kong Intl

Tue 8/25

8:10 pm-8:00 pm

2 stops35h 50m

$1,311

Washington, D.C.Hong Kong

DCA - HKG

DCAHKG

Washington, D.C. Reagan-National

Mon 9/7

6:58 pm-5:10 am

1 stop22h 12m

Hong Kong Intl

Wed 9/23

12:10 pm-10:00 pm

1 stop21h 50m

$1,399

BaltimoreHong Kong

BWI - HKG

BWIHKG

Baltimore/Washington

Mon 11/23

8:30 am-7:00 am

1 stop33h 30m

Hong Kong Intl

Mon 12/7

11:25 am-5:52 am

2 stops31h 27m

$1,426

BaltimoreHong Kong

BWI - HKG

BWIHKG

Baltimore/Washington

Tue 11/3

6:10 am-7:00 am

3 stops35h 50m

Hong Kong Intl

Mon 12/7

10:30 pm-5:52 am

1 stop20h 22m

$1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 59 resultsSorted by cheapest first
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6

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

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $1,102). Flying from Washington, D.C. to Hong Kong in December is currently the most expensive (average of $1,662). 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.

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

The best time to book flights from Washington, D.C. to Hong Kong is 63 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.

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 August 3, 2026.
Peruse reviews from past customers who have flown with EVA Air,Cathay Pacific, andUnited 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.
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
EVA Air
8.5
Very good
1,511 reviews
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Cathay Pacific
7.6
Good
1,436 reviews
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
United Airlines
7.4
Good
10,058 reviews
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Air China
7.4
Good
159 reviews
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!
Air Canada
7.1
Good
11,423 reviews
EVA Air
8.5
Very good
1,511 reviews

Boarding

8.5

Entertainment

8.0

Crew

8.7

Comfort

8.3

Food

8.1

Overall

8.5

Reviews

1 / 20
10.0
Excellent

Daisy,May 2026

SFO - TPE

This ways excellent experience when I took the EVA airline. We will take EVA again!

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 21h 45m. 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 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Hong Kong one-way?

    For one-way options, check prices for Qatar Airways. According to our data, you can fly for as low as $508. Users have also found prices from $532 and $571 on AIR PREMIA and United Airlines, respectively.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Hong Kong (average of $1,102). Flying from Washington, D.C. to Hong Kong in December is currently the most expensive (average of $1,662). 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.

Top 10 airlines flying from Washington, D.C. to Hong Kong

Discover the top 10 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 August 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$453Average$1,179FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$579Average$1,040FlexibilityNo cancel feeOn-time81%
Air ChinaCheapest$818Average$967FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$878Average$1,127FlexibilityNo cancel feeOn-time77%
ANACheapest$892Average$1,144FlexibilityNo cancel feeOn-time80%
Cathay PacificCheapest$965Average$1,390FlexibilityNo cancel feeOn-time72%
Qatar AirwaysCheapest$995Average$1,350FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$1,069Average$1,337FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$1,190Average$2,000FlexibilityNo cancel feeOn-time62%
EVA AirCheapest$1,195Average$1,401FlexibilityNo cancel feeOn-time74%

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