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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,073

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 1-5. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
24 May — 31 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 24 April 2026.

Fri 5-610:30
HKG
-
IAD
1 stop21h 00m
Air China
Fri 12-623:00
IAD
-
HKG
1 stop29h 20m
Air China
Deal found 21-4HK$7,558
Sun 19-401:25
HKG
-
IAD
1 stop28h 45m
Qatar Airways
Mon 27-421:00
IAD
-
HKG
1 stop24h 10m
Qatar Airways
Deal found 19-4HK$7,848
Mon 11-502:00
HKG
-
IAD
1 stop28h 20m
Qatar Airways
Mon 18-521:00
IAD
-
HKG
1 stop31h 30m
Qatar Airways
Deal found 19-4HK$7,856
Mon 19-1001:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Tue 16-320:05
IAD
-
HKG
1 stop30h 45m
Qatar Airways
Deal found 20-4HK$8,130
Thu 7-502:00
HKG
-
IAD
1 stop28h 20m
Qatar Airways
Fri 15-521:00
IAD
-
HKG
1 stop31h 30m
Qatar Airways
Deal found 20-4HK$8,161
Sun 18-1001:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Tue 16-320:05
IAD
-
HKG
1 stop30h 45m
Qatar Airways
Deal found 20-4HK$8,271
Thu 22-1019:40
HKG
-
IAD
1 stop32h 00m
Qatar Airways
Mon 26-1020:05
IAD
-
HKG
1 stop30h 45m
Qatar Airways
Deal found 20-4HK$8,279
Sat 19-1218:05
HKG
-
IAD
1 stop27h 15m
Qatar Airways
Fri 1-110:40
IAD
-
HKG
1 stop22h 00m
Qatar Airways
Deal found 22-4HK$8,310
Wed 29-401:25
HKG
-
IAD
1 stop28h 45m
Qatar Airways
Fri 15-521:00
IAD
-
HKG
1 stop31h 30m
Qatar Airways
Deal found 19-4HK$8,404
Sun 21-601:25
HKG
-
IAD
1 stop26h 15m
Qatar Airways
Fri 26-621:00
IAD
-
HKG
1 stop30h 10m
Qatar Airways
Deal found 21-4HK$8,420
Thu 17-1200:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
Thu 31-1220:05
IAD
-
HKG
1 stop29h 45m
Qatar Airways
Deal found 22-4HK$8,474
Sat 17-1019:40
HKG
-
IAD
1 stop32h 00m
Qatar Airways
Fri 30-1020:05
IAD
-
HKG
1 stop30h 45m
Qatar Airways
Deal found 20-4HK$8,514

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 24 April 2026.

Round-trip from

HK$7,558

One-way from

HK$4,073

Popular in

July

Cheapest in

April

Average price

HK$6,681
Air China
  • Air China
  • 5-6-12-6
  • 2 total stops
  • 50h 20m total
  • Hong Kong to Washington, D.C.
Search Deals
Air China
  • Air China
  • 1-5
  • 1 total stop
  • 21h 00m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (HK$8,332 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,686 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 19-5

02:00-18:20

1 stop28h 20m

Washington, D.C. Dulles Intl

Wed 27-5

21:00-09:10

1 stop24h 10m

HK$8,130

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 11-5

02:00-18:20

1 stop28h 20m

Washington, D.C. Dulles Intl

Mon 18-5

21:00-09:10

1 stop24h 10m

HK$8,615

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 7-6

18:15-18:20

1 stop36h 05m

Washington, D.C. Dulles Intl

Sun 14-6

21:00-09:10

1 stop24h 10m

HK$8,811

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 16-6

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Sat 27-6

21:00-15:10

1 stop30h 10m

HK$9,344

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 25-8

01:25-15:40

1 stop26h 15m

Washington, D.C. Dulles Intl

Thu 3-9

21:00-15:10

1 stop30h 10m

HK$9,344

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 27-8

19:40-15:40

1 stop32h 00m

Washington, D.C. Dulles Intl

Fri 4-9

21:00-15:10

1 stop30h 10m

HK$9,344

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 17-6

12:20-00:25

2 stops24h 05m

Washington, D.C. Dulles Intl

Sun 28-6

06:00-22:45

2 stops28h 45m

HK$9,963

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

Wed 24-6

10:16-05:05

2 stops30h 49m

HK$10,354

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 18-10

19:40-22:00

1 stop38h 20m

Washington, D.C. Dulles Intl

Wed 17-3

01:15-14:20

1 stop25h 05m

HK$10,566

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 17-10

19:10-08:40

1 stop25h 30m

Washington, D.C. Dulles Intl

Thu 18-3

11:15-17:40

2 stops42h 25m

HK$10,746

Flights are sorted by cheapest return flights first.

Deals found on 21-4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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$6,681). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$10,417). 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?

    Qatar Airways can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 28h 20m. 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$6,681). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of HK$10,417). 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

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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

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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