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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,815

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 15-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Hong Kong to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest flights from Hong Kong to Dulles Intl
Explore the most affordable flight options available from Hong Kong to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Thu 5-1111:25 -
2 stops26h 05m
Mon 9-1117:38 -
1 stop24h 07m
Deal found 30-7HK$5,851
Sat 19-922:30 -
2 stops25h 19m
Sat 26-908:30 -
1 stop22h 25m
Deal found 31-7HK$6,164
Sat 5-922:30 -
2 stops27h 25m
Sun 18-1007:00 -
1 stop23h 30m
Deal found 31-7HK$6,266
Sun 6-911:45 -
2 stops24h 59m
Mon 21-912:40 -
1 stop28h 20m
Deal found 2-8HK$6,988
Fri 18-910:30 -
1 stop21h 00m
Fri 25-923:00 -
1 stop34h 05m
Deal found 4-8HK$7,231
Tue 15-910:30 -
1 stop21h 00m
Tue 22-923:00 -
1 stop24h 50m
Deal found 1-8HK$7,262
Sat 5-912:20 -
2 stops33h 44m
Sun 18-1006:05 -
2 stops35h 00m
Deal found 31-7HK$7,670
Sat 5-912:20 -
1 stop34h 45m
Sun 18-1013:15 -
1 stop21h 30m
Deal found 31-7HK$7,694
Sun 6-912:40 -
1 stop23h 36m
Wed 30-906:35 -
1 stop24h 20m
Deal found 31-7HK$7,748
Tue 1-909:30 -
2 stops23h 50m
Mon 28-912:15 -
1 stop29h 00m
Deal found 4-8HK$7,843

Find flight deals from Hong Kong to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Hong Kong (HKG) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 4 August 2026.

Round-trip from

HK$5,851

One-way from

HK$4,815

Popular in

August

Cheapest in

April

Average price

HK$12,203
United Airlines
  • United Airlines
  • 5-11-9-11
  • 3 total stops
  • 50h 12m total
  • Hong Kong to Washington, D.C.
Search Deals
Qatar Airways
  • Qatar Airways
  • 15-11
  • 1 total stop
  • 34h 50m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (HK$12,474 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,270 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 Dulles Intl 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 4 August 2026.
Use the filters below to find and compare flights from Hong Kong to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Departure

Return

Price

Cheapest return flight

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 5-11

11:25-00:30

2 stops26h 05m

Washington, D.C. Dulles Intl

Mon 9-11

17:38-06:45

1 stop24h 07m

HK$5,851

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 5-9

22:30-13:55

2 stops27h 25m

Washington, D.C. Dulles Intl

Sun 18-10

07:00-18:30

1 stop23h 30m

HK$6,266

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 6-9

11:45-00:44

2 stops24h 59m

Washington, D.C. Dulles Intl

Mon 21-9

12:40-05:00

1 stop28h 20m

HK$6,988

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 5-9

12:20-11:05

1 stop34h 45m

Washington, D.C. Dulles Intl

Sun 18-10

13:15-22:45

1 stop21h 30m

HK$7,694
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 6-9

12:40-00:16

1 stop23h 36m

Washington, D.C. Dulles Intl

Wed 30-9

06:35-18:55

1 stop24h 20m

HK$7,748

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 4-11

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Mon 9-11

20:05-14:50

1 stop29h 45m

HK$8,282

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 12-11

18:05-08:10

1 stop27h 05m

Washington, D.C. Dulles Intl

Tue 26-1

20:05-14:50

1 stop29h 45m

HK$8,282

Hong KongWashington, D.C.

HKG - IAD

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$8,305

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 8-9

12:20-09:09

2 stops32h 49m

Washington, D.C. Dulles Intl

Wed 23-9

15:15-05:05

2 stops25h 50m

HK$8,462

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 6-9

12:20-09:20

2 stops33h 00m

Washington, D.C. Dulles Intl

Mon 21-9

10:15-05:05

2 stops30h 50m

HK$8,462

Flights are sorted by cheapest return flights first.

Deals found on 31-7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Hong Kong to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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. Dulles Intl Airport

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

Currently, April is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$6,690). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$12,203). 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.

Related info for your journey

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

    Hong Kong Intl (HKG) is the airport you will fly out of if you book a flight from Hong Kong to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Hong Kong Intl; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Hong Kong airport to Washington, D.C. Dulles Intl. It is only a 26.0 km journey to Hong Kong Intl (HKG) from Hong Kong’s city centre.

  • How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

    United Airlines and Korean Air can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 26h 05m. Your travel time can differ by up to 8h 40m. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km. This flight may include one or multiple stops.

  • Can I find deals for flights from Hong Kong to Dulles Intl that include hotel bookings?

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

  • How can I find direct flights from Hong Kong to Dulles Intl?

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

  • Can I find deals for business class flights from Hong Kong to Dulles Intl?

    Yes. Cheapflights offers flight deals from Hong Kong to Dulles Intl 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. Dulles Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$6,690). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$12,203). 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. Dulles Intl Airport?

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

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Alternative routes for Hong Kong to Dulles Intl

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

Fly with Cheapflights

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How does Cheapflights help users find flights from Hong Kong to Dulles Intl?

Cheapflights makes it easy to find Hong Kong to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Hong Kong to Dulles Intl?

Cheapflights simply makes it quick and affordable to book flights from Hong Kong to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Hong Kong to Dulles Intl with no change fees?

Need flexible booking options for your flight to Dulles Intl from Hong Kong? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Hong Kong to Dulles Intl become cheaper?

Yes, Cheapflights offers price alerts on Hong Kong to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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