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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,242

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 13-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
25 Jul — 1 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 25 June 2026.

Thu 3-920:15
HKG
-
IAD
1 stop35h 15m
Air China
Fri 18-923:00
IAD
-
HKG
1 stop32h 00m
Air China
Deal found 22-6HK$7,487
Wed 14-1019:40
HKG
-
IAD
1 stop25h 05m
Qatar Airways
Wed 4-1110:30
IAD
-
HKG
1 stop39h 20m
Qatar Airways
Deal found 24-6HK$7,856
Tue 22-900:45
HKG
-
IAD
1 stop22h 20m
Korean Air
Thu 21-111:50
IAD
-
HKG
1 stop22h 20m
Korean Air
Deal found 24-6HK$7,966
Fri 4-917:55
HKG
-
IAD
1 stop29h 10m
Korean Air
Sat 19-913:15
IAD
-
HKG
1 stop21h 30m
Korean Air
Deal found 22-6HK$8,083
Wed 9-919:40
HKG
-
IAD
1 stop32h 00m
Multiple Airlines
Wed 23-911:05
IAD
-
HKG
1 stop22h 50m
Multiple Airlines
Deal found 24-6HK$8,091
Thu 3-901:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Sat 19-921:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 21-6HK$8,169
Thu 3-900:45
HKG
-
IAD
2 stops35h 49m
Delta
Sat 19-907:00
IAD
-
HKG
2 stops34h 05m
Delta
Deal found 24-6HK$8,216
Sat 10-1000:45
HKG
-
IAD
1 stop22h 20m
Korean Air
Fri 6-1111:50
IAD
-
HKG
1 stop34h 30m
Korean Air
Deal found 24-6HK$8,240
Sat 5-917:55
HKG
-
IAD
1 stop29h 10m
Korean Air
Fri 18-913:15
IAD
-
HKG
1 stop21h 30m
Korean Air
Deal found 22-6HK$8,248
Thu 10-912:40
HKG
-
IAD
2 stops30h 39m
United Airlines
Sun 13-909:45
IAD
-
HKG
1 stop21h 10m
United Airlines
Deal found 22-6HK$8,256
Thu 3-912:40
HKG
-
IAD
2 stops30h 39m
United Airlines
Fri 18-920:20
IAD
-
HKG
1 stop21h 20m
United Airlines
Deal found 22-6HK$8,264

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 25 June 2026.

Round-trip from

HK$7,487

One-way from

HK$4,242

Popular in

July

Cheapest in

April

Average price

HK$10,098
Air China
  • Air China
  • 3-9-18-9
  • 2 total stops
  • 67h 15m total
  • Hong Kong to Washington, D.C.
Search Deals
Korean Air
  • Korean Air
  • 13-10
  • 1 total stop
  • 34h 45m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (HK$9,656 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,563 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 25 June 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

Wed 23-9

12:20-22:56

2 stops22h 36m

Washington, D.C. Dulles Intl

Thu 21-1

13:00-07:40

2 stops29h 40m

HK$8,216

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 5-9

12:20-10:04

2 stops33h 44m

Washington, D.C. Dulles Intl

Sun 20-9

12:26-05:05

2 stops28h 39m

HK$8,224

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 22-9

00:45-11:05

1 stop22h 20m

Washington, D.C. Dulles Intl

Sun 27-9

13:15-16:20

1 stop39h 05m

HK$8,240
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 21-9

00:45-11:05

1 stop22h 20m

Washington, D.C. Dulles Intl

Wed 20-1

11:50-23:10

1 stop22h 20m

HK$8,240

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 22-9

17:55-11:05

1 stop29h 10m

Washington, D.C. Dulles Intl

Fri 22-1

11:50-23:10

1 stop22h 20m

HK$8,240

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 10-9

12:20-11:05

1 stop34h 45m

Washington, D.C. Dulles Intl

Sun 13-9

13:15-22:45

1 stop21h 30m

HK$8,248

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 10-9

12:40-07:19

2 stops30h 39m

Washington, D.C. Dulles Intl

Sun 13-9

09:45-18:55

1 stop21h 10m

HK$8,256

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 12-10

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 4-11

10:30-21:40

1 stop22h 10m

HK$8,279

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 4-9

22:30-11:52

2 stops25h 22m

Washington, D.C. Dulles Intl

Sat 19-9

09:45-18:55

1 stop21h 10m

HK$8,475

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 16-10

12:20-11:05

1 stop34h 45m

Washington, D.C. Dulles Intl

Sun 1-11

07:05-23:10

2 stops27h 05m

HK$9,024

Flights are sorted by cheapest return flights first.

Deals found on 20-6

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$6,688). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$9,173). 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?

    Delta and Korean Air can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 22h 20m. Your travel time can differ by up to 16m. 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$6,688). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$9,173). 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 Dulles Intl flights
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 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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