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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,919

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 9-4. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
26 Apr — 3 May1
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 27 March 2026.

Mon 7-901:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Wed 23-911:05
IAD
-
HKG
1 stop22h 50m
Qatar Airways
Deal found 25-3HK$7,736
Sun 23-813:30
HKG
-
IAD
1 stop33h 20m
AIR PREMIA
Fri 4-913:20
IAD
-
HKG
1 stop34h 40m
AIR PREMIA
Deal found 22-3HK$7,744
Tue 22-922:30
HKG
-
IAD
2 stops24h 56m
United Airlines
Wed 23-914:36
IAD
-
HKG
1 stop26h 24m
United Airlines
Deal found 26-3HK$7,814
Wed 20-518:15
HKG
-
IAD
1 stop26h 25m
Qatar Airways
Fri 11-911:05
IAD
-
HKG
1 stop22h 50m
Qatar Airways
Deal found 26-3HK$7,822
Tue 8-922:30
HKG
-
IAD
2 stops24h 56m
United Airlines
Wed 23-909:00
IAD
-
HKG
1 stop21h 30m
United Airlines
Deal found 25-3HK$7,854
Fri 8-518:15
HKG
-
IAD
1 stop26h 25m
Qatar Airways
Fri 15-511:00
IAD
-
HKG
1 stop24h 20m
Qatar Airways
Deal found 23-3HK$7,893
Thu 23-418:15
HKG
-
IAD
1 stop26h 25m
Qatar Airways
Thu 30-420:20
IAD
-
HKG
1 stop32h 25m
Qatar Airways
Deal found 25-3HK$7,971
Fri 10-418:15
HKG
-
IAD
1 stop33h 55m
Qatar Airways
Mon 13-421:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 27-3HK$7,979
Sun 10-513:30
HKG
-
IAD
1 stop33h 20m
AIR PREMIA
Fri 29-513:20
IAD
-
HKG
1 stop34h 40m
AIR PREMIA
Deal found 27-3HK$7,987
Wed 8-701:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Thu 6-821:00
IAD
-
HKG
1 stop36h 55m
Qatar Airways
Deal found 23-3HK$8,033

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 27 March 2026.

Round-trip from

HK$7,736

One-way from

HK$3,919

Popular in

May

Cheapest in

April

Average price

HK$7,791
Qatar Airways
  • Qatar Airways
  • 7-9-23-9
  • 2 total stops
  • 49h 05m total
  • Hong Kong to Washington, D.C.
Search Deals
Air China
  • Air China
  • 9-4
  • 1 total stop
  • 40h 55m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$7,274 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$3,074 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 27 March 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

Tue 22-9

21:45-09:28

2 stops23h 43m

Washington, D.C. Dulles Intl

Wed 23-9

12:35-05:00

1 stop28h 25m

HK$7,924
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 21-9

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Wed 23-9

11:05-21:55

1 stop22h 50m

HK$8,417

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 13-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Thu 6-8

21:00-21:55

1 stop36h 55m

HK$8,425

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 8-5

18:15-08:40

1 stop26h 25m

Washington, D.C. Dulles Intl

Tue 19-5

11:00-23:20

1 stop24h 20m

HK$8,565

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 29-7

19:40-08:45

1 stop25h 05m

Washington, D.C. Dulles Intl

Thu 13-8

21:00-21:55

1 stop36h 55m

HK$8,581

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 22-9

11:20-07:28

2 stops32h 08m

Washington, D.C. Dulles Intl

Wed 23-9

17:38-09:55

2 stops28h 17m

HK$8,597

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 6-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Mon 3-8

21:00-21:55

1 stop36h 55m

HK$8,753

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-7

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Sun 16-8

11:05-21:55

1 stop22h 50m

HK$8,792

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 3-8

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Sun 16-8

11:05-21:55

1 stop22h 50m

HK$8,792

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 12-7

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Sun 9-8

11:05-21:55

1 stop22h 50m

HK$8,878

Flights are sorted by cheapest return flights first.

Deals found on 24-3

Showing 1-10 of 21 resultsSorted by cheapest first
1
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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$6,672). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of HK$9,418). 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 and Qatar Airways can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 23h 43m. Your travel time can differ by up to 2h 32m. 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$6,672). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of HK$9,418). 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

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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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