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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,767

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 18-8. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
18 Aug — 25 Aug1
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 19 July 2026.

Mon 2-1110:35
HKG
-
IAD
2 stops25h 30m
United Airlines
Fri 6-1106:40
IAD
-
HKG
1 stop23h 35m
United Airlines
Deal found 15-7HK$5,715
Thu 3-912:40
HKG
-
IAD
2 stops23h 52m
United Airlines
Wed 16-908:30
IAD
-
HKG
1 stop32h 30m
United Airlines
Deal found 15-7HK$5,723
Sat 5-912:40
HKG
-
IAD
2 stops22h 39m
United Airlines
Sun 18-1008:25
IAD
-
HKG
1 stop22h 05m
United Airlines
Deal found 16-7HK$5,817
Thu 3-912:40
HKG
-
IAD
2 stops22h 39m
Lufthansa
Wed 16-917:48
IAD
-
HKG
1 stop23h 12m
Lufthansa
Deal found 16-7HK$5,848
Sat 3-1012:40
HKG
-
IAD
2 stops24h 10m
United Airlines
Wed 7-1022:10
IAD
-
HKG
1 stop32h 45m
United Airlines
Deal found 16-7HK$6,037
Thu 3-917:55
HKG
-
IAD
1 stop29h 10m
Korean Air
Wed 16-913:15
IAD
-
HKG
1 stop21h 30m
Korean Air
Deal found 16-7HK$7,118
Wed 14-1000:45
HKG
-
IAD
1 stop22h 20m
Korean Air
Sun 18-1013:15
IAD
-
HKG
1 stop39h 05m
Korean Air
Deal found 18-7HK$7,252

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 19 July 2026.

Round-trip from

HK$5,715

One-way from

HK$4,767

Popular in

August

Cheapest in

April

Average price

HK$11,054
United Airlines
  • United Airlines
  • 2-11-6-11
  • 3 total stops
  • 49h 05m total
  • Hong Kong to Washington, D.C.
Search Deals
Air China
  • Air China
  • 18-8
  • 1 total stop
  • 23h 00m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (HK$12,882 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,256 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 19 July 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 3-9

12:40-00:32

2 stops23h 52m

Washington, D.C. Dulles Intl

Wed 16-9

08:30-05:00

1 stop32h 30m

HK$5,723

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 2-11

22:30-09:19

2 stops23h 49m

Washington, D.C. Dulles Intl

Fri 6-11

22:10-19:20

1 stop32h 10m

HK$6,037

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 3-10

12:40-00:50

2 stops24h 10m

Washington, D.C. Dulles Intl

Wed 7-10

22:10-18:55

1 stop32h 45m

HK$6,037

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 4-10

22:30-11:55

2 stops25h 25m

Washington, D.C. Dulles Intl

Thu 15-10

18:37-05:00

1 stop22h 23m

HK$6,037
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 13-10

12:40-22:52

2 stops22h 12m

Washington, D.C. Dulles Intl

Fri 16-10

16:15-05:00

1 stop24h 45m

HK$6,037

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 3-10

12:20-09:09

2 stops32h 49m

Washington, D.C. Dulles Intl

Wed 7-10

11:05-05:05

2 stops30h 00m

HK$7,424

Hong KongWashington, D.C.

HKG - IAD

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$7,424

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 3-9

12:20-23:39

2 stops23h 19m

Washington, D.C. Dulles Intl

Wed 16-9

15:15-05:05

2 stops25h 50m

HK$7,424

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 13-10

12:20-23:35

2 stops23h 15m

Washington, D.C. Dulles Intl

Fri 16-10

15:05-05:05

2 stops26h 00m

HK$7,432

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 10-9

17:55-11:05

1 stop29h 10m

Washington, D.C. Dulles Intl

Mon 28-9

13:15-16:20

1 stop39h 05m

HK$7,448

Flights are sorted by cheapest return flights first.

Deals found on 18-7

Showing 1-10 of 22 resultsSorted by cheapest first
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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$6,687). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$12,199). 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 much does it cost for a return flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

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 can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 23h 52m. Your travel time can differ by up to . Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 13092 km.

  • 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$6,687). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$12,199). 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

Browse thousands of different options on Cheapflights for your next trip

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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 Reagan-National flights
Hong Kong to Baltimore 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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