Find flights
When to book
FAQs

Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,992

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 2-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
10 Jun — 17 Jun1
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 11 May 2026.

Fri 11-910:30
HKG
-
IAD
1 stop21h 00m
Air China
Tue 15-923:00
IAD
-
HKG
1 stop34h 45m
Air China
Deal found 7-5HK$7,476
Tue 9-601:25
HKG
-
IAD
1 stop28h 55m
Qatar Airways
Wed 16-921:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 10-5HK$7,633
Mon 29-619:40
HKG
-
IAD
1 stop32h 00m
Multiple Airlines
Wed 5-821:00
IAD
-
HKG
1 stop36h 55m
Multiple Airlines
Deal found 10-5HK$7,664
Sun 21-601:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Mon 29-621:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 8-5HK$7,773
Mon 6-719:40
HKG
-
IAD
1 stop32h 00m
Qatar Airways
Sun 30-821:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 11-5HK$7,914
Fri 19-619:40
HKG
-
IAD
1 stop32h 00m
Qatar Airways
Sat 27-621:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 6-5HK$7,930
Wed 17-619:40
HKG
-
IAD
1 stop25h 05m
Multiple Airlines
Tue 30-611:05
IAD
-
HKG
1 stop22h 50m
Multiple Airlines
Deal found 6-5HK$7,938
Thu 18-619:40
HKG
-
IAD
1 stop32h 00m
Qatar Airways
Sat 27-621:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 11-5HK$7,946
Sat 20-601:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Sun 28-621:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 7-5HK$8,063
Fri 19-601:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Sun 5-721:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 6-5HK$8,235
Mon 8-601:25
HKG
-
IAD
1 stop28h 55m
Qatar Airways
Thu 17-921:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 10-5HK$8,267

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 11 May 2026.

Round-trip from

HK$7,476

One-way from

HK$3,992

Popular in

July

Cheapest in

April

Average price

HK$7,194
Air China
  • Air China
  • 11-9-15-9
  • 2 total stops
  • 55h 45m total
  • Hong Kong to Washington, D.C.
Search Deals
Air China
  • Air China
  • 2-6
  • 1 total stop
  • 21h 00m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (HK$12,190 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,572 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 11 May 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

Mon 29-6

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Wed 5-8

21:00-21:55

1 stop36h 55m

HK$7,664

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 28-6

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Thu 6-8

21:00-21:55

1 stop36h 55m

HK$7,664

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 22-6

19:40-08:45

1 stop25h 05m

Washington, D.C. Dulles Intl

Mon 29-6

21:00-15:10

1 stop30h 10m

HK$7,930

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 20-6

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Sat 27-6

21:00-15:10

1 stop30h 10m

HK$7,938

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

09:25-10:20

2 stops36h 55m

Washington, D.C. Dulles Intl

Tue 30-6

08:29-05:05

2 stops32h 36m

HK$8,783

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 28-8

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Thu 3-9

21:00-15:10

1 stop30h 10m

HK$8,783

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 11-6

12:20-23:25

2 stops23h 05m

Washington, D.C. Dulles Intl

Thu 17-9

07:10-22:45

2 stops27h 35m

HK$8,830

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

15:35-08:45

2 stops29h 10m

Washington, D.C. Dulles Intl

Tue 30-6

11:05-21:55

1 stop22h 50m

HK$8,885
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 8-6

09:25-21:04

2 stops23h 39m

Washington, D.C. Dulles Intl

Mon 14-9

16:00-05:05

2 stops25h 05m

HK$8,893

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 13-6

16:55-18:20

2 stops37h 25m

Washington, D.C. Dulles Intl

Mon 14-9

21:00-15:10

1 stop30h 10m

HK$9,222

Flights are sorted by cheapest return flights first.

Deals found on 10-5

Showing 1-10 of 17 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$6,677). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$9,159). 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?

    Qatar Airways and Delta can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 26h 15m. Your travel time can differ by up to 10h 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$6,677). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of HK$9,159). 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
Herndon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.