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Cheap flights from Hong Kong to Washington, D.C. from HK$4,378

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 29-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — WAS
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

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

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Washington, D.C.
Explore the most affordable flight options available from Hong Kong to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 August 2026.

Mon 26-1011:25 -
2 stops25h 05m
Thu 29-1008:25 -
1 stop22h 50m
Deal found 6-8HK$6,959
Mon 26-1022:45 -
2 stops24h 14m
Thu 29-1017:49 -
1 stop23h 56m
Deal found 10-8HK$6,959
Tue 22-908:30 -
1 stop23h 00m
Tue 29-923:00 -
1 stop26h 05m
Deal found 8-8HK$7,171
Mon 7-922:30 -
2 stops22h 25m
Mon 14-913:04 -
2 stops27h 56m
Deal found 8-8HK$7,272
Wed 14-1019:40 -
1 stop32h 00m
Mon 19-1021:00 -
1 stop36h 55m
Deal found 6-8HK$7,524
Tue 22-900:45 -
3 stops46h 55m
Wed 30-906:38 -
3 stops40h 17m
Deal found 9-8HK$7,626
Mon 21-919:40 -
1 stop25h 05m
Mon 28-921:00 -
1 stop36h 55m
Deal found 6-8HK$7,782
Sun 18-1019:40 -
1 stop32h 00m
Sat 31-1021:05 -
1 stop36h 35m
Deal found 7-8HK$7,837
Mon 7-919:40 -
1 stop25h 05m
Mon 14-921:00 -
1 stop30h 10m
Deal found 8-8HK$7,884
Mon 7-923:55 -
1 stop22h 10m
Mon 21-915:15 -
2 stops26h 00m
Deal found 9-8HK$7,900
Sat 3-1019:40 -
1 stop32h 00m
Sat 10-1021:00 -
1 stop36h 55m
Deal found 6-8HK$7,908
Sun 6-923:55 -
1 stop22h 10m
Wed 30-915:47 -
2 stops25h 28m
Deal found 8-8HK$7,931

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

Keep the following information in mind while searching for Hong Kong to Washington, D.C. flight deals. Data was last updated 11 August 2026.

Round-trip from

HK$6,959

One-way from

HK$4,378

Popular in

July

Cheapest in

October

Average price

HK$11,328
United Airlines
  • United Airlines
  • 5-9-18-10
  • 3 total stops
  • 50h 55m total
  • Hong Kong to Washington, D.C.
Search Deals
29-8
  • 29-8
  • 3 total stops
  • 57h 27m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (HK$10,279 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,834 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Hong Kong to Washington, D.C. 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 70,647 searches. Data last updated 11 August 2026.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 26-10

22:45-11:52

2 stops25h 07m

Washington, D.C. Dulles Intl

Thu 29-10

06:15-19:20

1 stop25h 05m

HK$6,959

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sat 5-9

11:45-00:44

2 stops24h 59m

Washington, D.C. Dulles Intl

Sat 12-9

09:45-18:55

1 stop21h 10m

HK$6,959

Hong KongWashington, D.C.

HKG Hong Kong Intl - DCA Washington, D.C. Reagan-National

HKGDCA

Hong Kong Intl

Mon 26-10

22:30-14:12

2 stops27h 42m

Washington, D.C. Reagan-National

Thu 29-10

12:50-05:45

2 stops28h 55m

HK$6,959

Hong KongWashington, D.C.

HKG Hong Kong Intl - DCA Washington, D.C. Reagan-National

HKGDCA

Hong Kong Intl

Sat 5-9

22:30-12:08

2 stops25h 38m

Washington, D.C. Reagan-National

Sat 12-9

19:00-05:00

1 stop22h 00m

HK$6,959

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 25-10

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Thu 29-10

21:05-21:40

1 stop36h 35m

HK$8,300

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sun 6-9

12:20-00:34

2 stops24h 14m

Washington, D.C. Dulles Intl

Wed 30-9

12:26-05:05

2 stops28h 39m

HK$8,465

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sat 5-9

12:20-10:04

2 stops33h 44m

Washington, D.C. Dulles Intl

Sun 18-10

06:05-05:05

2 stops35h 00m

HK$8,465

Hong KongWashington, D.C.

HKG Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Mon 21-9

00:45-16:30

2 stops27h 45m

Washington, D.C. Dulles Intl

Tue 29-9

12:26-05:05

2 stops28h 39m

HK$8,465

Hong KongWashington, D.C.

HKG Hong Kong Intl - DCA Washington, D.C. Reagan-National

HKGDCA

Hong Kong Intl

Sun 6-9

12:20-23:48

2 stops23h 28m

Washington, D.C. Reagan-National

Wed 30-9

12:32-05:05

2 stops28h 33m

HK$8,465

Hong KongWashington, D.C.

HKG Hong Kong Intl - DCA Washington, D.C. Reagan-National

HKGDCA

Hong Kong Intl

Sat 5-9

12:20-23:48

2 stops23h 28m

Washington, D.C. Reagan-National

Sat 12-9

12:26-05:05

2 stops28h 39m

HK$8,465

Flights are sorted by cheapest return flights first.

Deals found on 6-8

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Hong Kong with our price prediction graph.
Estimated return 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 Hong Kong to Washington, D.C.

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

Currently, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$5,641). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$11,266). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 11 August 2026.
Read reviews from past customers who have flown with United Airlines from Hong Kong to Washington, D.C.. 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.
United Airlines
7.4
Good
10,104 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,104 reviews
United Airlines
7.4
Good
10,104 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

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

    There are many flights that can get you from Hong Kong to Washington, D.C. in 23h 28m. Fly via United Airlines, Qatar Airways, or Delta to get the fastest option. Airlines will cover a distance of 13110 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular flight routes from Hong Kong to Washington, D.C. are Hong Kong Intl - Washington, D.C. Reagan-National, Hong Kong Intl - Washington, D.C. Dulles Intl and Hong Kong Intl - Baltimore/Washington.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. (average of HK$5,641). Flying from Hong Kong to Washington, D.C. in July is currently the most expensive (average of HK$11,266). 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

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Fairfax
Arlington

Browse thousands of different options on Cheapflights for your next trip

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

See prices for flight routes from nearby airports that may be better suited for you.
Hong Kong to Reagan-National flights
Hong Kong to Dulles Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Hong Kong to Washington, D.C.?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Washington, D.C.. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Hong Kong.

Can Cheapflights find flights from Hong Kong to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Hong Kong to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hong Kong to Washington, D.C. become cheaper?

Yes! Start tracking prices for Hong Kong to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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