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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,786

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 17-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
13 Sep — 20 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 14 August 2026.

Mon 26-1022:45 -
2 stops25h 07m
Thu 29-1006:15 -
1 stop25h 05m
Deal found 11-8HK$6,960
Mon 7-923:55 -
1 stop22h 10m
Mon 21-915:15 -
2 stops26h 00m
Deal found 9-8HK$7,902
Sun 18-1019:40 -
1 stop32h 00m
Sat 31-1021:05 -
1 stop36h 35m
Deal found 10-8HK$7,988
Mon 7-919:40 -
1 stop25h 05m
Mon 21-921:00 -
1 stop30h 10m
Deal found 9-8HK$8,153
Sat 19-901:25 -
1 stop26h 15m
Tue 29-911:05 -
1 stop22h 50m
Deal found 10-8HK$8,208
Fri 23-1001:25 -
1 stop26h 15m
Fri 27-1120:05 -
1 stop29h 45m
Deal found 9-8HK$8,215
Mon 7-923:55 -
1 stop22h 10m
Mon 8-213:05 -
2 stops51h 40m
Deal found 13-8HK$8,247
Thu 12-1122:45 -
2 stops21h 35m
Sun 15-1117:38 -
1 stop24h 07m
Deal found 13-8HK$8,263
Sun 25-1000:25 -
1 stop28h 30m
Thu 29-1021:05 -
1 stop36h 35m
Deal found 11-8HK$8,302
Wed 2-900:45 -
1 stop22h 20m
Sat 26-913:15 -
1 stop21h 30m
Deal found 12-8HK$8,317
Fri 20-1100:55 -
1 stop21h 55m
Sun 6-1211:50 -
1 stop22h 20m
Deal found 10-8HK$8,333

Find flight deals from Hong Kong to Dulles Intl

Keep the following information in mind while searching for Hong Kong to Dulles Intl flight deals. Data was last updated 14 August 2026.

Round-trip from

HK$6,960

One-way from

HK$4,786

Popular in

July

Cheapest in

August

Average price

HK$5,642
United Airlines
  • United Airlines
  • 26-10-29-10
  • 3 total stops
  • 50h 12m total
  • Hong Kong to Washington, D.C.
Search Deals
星宇航空
  • 星宇航空
  • 17-11
  • 2 total stops
  • 29h 44m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (HK$3,401 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,832 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 14 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 Hong Kong Intl - IAD Washington, D.C. Dulles Intl

HKGIAD

Hong Kong Intl

Sat 21-11

22:45-08:49

2 stops23h 04m

Washington, D.C. Dulles Intl

Sun 6-12

08:25-06:45

1 stop33h 20m

HK$6,960

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 3-9

21:45-09:23

2 stops23h 38m

Washington, D.C. Dulles Intl

Sat 26-9

15:36-05:40

1 stop26h 04m

HK$6,960

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 20-9

11:45-00:47

2 stops25h 02m

Washington, D.C. Dulles Intl

Tue 29-9

07:00-18:30

1 stop23h 30m

HK$6,960

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Fri 23-10

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Fri 27-11

20:05-14:50

1 stop29h 45m

HK$8,215
Fastest return journey

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Thu 12-11

22:45-07:20

2 stops21h 35m

Washington, D.C. Dulles Intl

Sun 15-11

17:38-06:45

1 stop24h 07m

HK$8,263

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$8,302

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$8,467

Hong KongWashington, D.C.

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

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$8,553
Cheapest one-way

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Sun 18-10

01:25-08:45

1 stop43h 20m

HK$4,841

Hong KongWashington, D.C.

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

HKGIAD

Hong Kong Intl

Tue 15-9

01:25-15:40

1 stop26h 15m

HK$5,171

Flights are sorted by cheapest return flights first.

Deals found on 11-8

Showing 1-10 of 18 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, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$5,642). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,064). 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.

  • 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 04m. 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, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of HK$5,642). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$11,064). 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
Hong Kong to Dulles Intl flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hong Kong to Dulles Intl. 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 Dulles Intl?

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 Dulles Intl from Hong Kong.

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

Yes! Cheapflights helps users easily find flights from Hong Kong to Dulles Intl with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Dulles Intl from Hong Kong today and book when prices fit your budget.

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