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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,978

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 23-1. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
22 Dec — 29 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 November 2025.

Round-trip from

HK$7,279

One-way from

HK$3,978

Popular in

May

Cheapest in

April

Average price

HK$10,136
Air China
  • Air China
  • 25-12-9-1
  • 2 total stops
  • 71h 40m total
  • Hong Kong to Washington, D.C.
Search Deals
23-1
  • 23-1
  • 3 total stops
  • 50h 14m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (HK$5,997 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$3,329 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find 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 22 November 2025.

Thu 25-1217:40HKG - IAD
1 stop37h 50mAir China
Fri 9-122:00IAD - HKG
1 stop33h 50mAir China
Deal found 20-11HK$7,279
Thu 25-1218:05HKG - IAD
1 stop27h 15mMultiple Airlines
Fri 9-121:15IAD - HKG
2 stops45h 40mMultiple Airlines
Deal found 20-11HK$8,937
Thu 25-1220:25HKG - IAD
2 stops38h 00mAir Canada
Fri 9-117:10IAD - HKG
2 stops36h 30mAir Canada
Deal found 20-11HK$8,999
Sat 6-1222:30HKG - IAD
1 stop21h 25mUnited Airlines
Sun 4-118:01IAD - HKG
1 stop23h 44mUnited Airlines
Deal found 21-11HK$9,030
Sat 6-1222:45HKG - IAD
1 stop34h 54mUnited Airlines
Fri 2-122:05IAD - HKG
1 stop43h 55mUnited Airlines
Deal found 21-11HK$9,233
Sat 6-1220:25HKG - IAD
2 stops37h 34mAir Canada
Sun 4-116:30IAD - HKG
2 stops37h 10mAir Canada
Deal found 21-11HK$9,272
Fri 5-1200:55HKG - IAD
2 stops35h 32mDelta
Sun 4-107:05IAD - HKG
2 stops39h 15mDelta
Deal found 20-11HK$9,801

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 22 November 2025.
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

Hong Kong

Fly to

Dulles Intl

Route

Departure

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 25-1

11:25-21:17

2 stops22h 52m

Washington, D.C. Dulles Intl

Wed 28-1

16:10-06:45

1 stop25h 35m

HK$7,356

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 25-1

23:20-11:45

1 stop25h 25m

Washington, D.C. Dulles Intl

Wed 28-1

21:15-17:05

1 stop30h 50m

HK$7,800

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 24-1

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Wed 28-1

10:40-21:40

1 stop22h 00m

HK$8,937

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 6-12

22:30-06:55

1 stop21h 25m

Washington, D.C. Dulles Intl

Sun 4-1

18:01-06:45

1 stop23h 44m

HK$9,030

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 6-12

22:45-20:39

1 stop34h 54m

Washington, D.C. Dulles Intl

Fri 2-1

22:05-07:00

1 stop43h 55m

HK$9,233

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 8-12

07:40-14:29

3 stops43h 49m

HK$4,017

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 26-1

20:25-11:35

2 stops28h 10m

HK$4,157

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1-12

20:15-18:30

1 stop35h 15m

HK$4,188

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 26-1

20:15-18:30

1 stop35h 15m

HK$4,289

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1-12

19:55-14:29

3 stops55h 34m

HK$4,414

Flights are sorted by cheapest return flights first.

Deals found on 20-11

Showing 1-10 of 16 results
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’s the top stopover airport for flights from Hong Kong to Washington, D.C. Dulles Intl Airport?

Share of one-stop return flights from Hong Kong to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Incheon (ICN) – chosen by Cheapflights users on 50% of one-stop itineraries from Hong Kong to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Hong Kong to Washington, D.C. Dulles Intl Airport?

Average return fare for one-stop flights from Hong Kong to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Istanbul (IST) is the most affordable one-stop option, with an average return flight price of HK$7,619.

What’s the fastest stopover option from Hong Kong to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for one-stop one-way flights from Hong Kong to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 19h 37m.

Which airport typically offers the quickest stopover for flights from Hong Kong to Washington, D.C. Dulles Intl Airport?

Average stopover duration for one-stop one-way flights from Hong Kong to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 55m.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 22 November 2025.
Get a feel of what it's like to fly with United Airlines from Hong Kong to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,035 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,035 reviews
United Airlines
7.4
Good
9,035 reviews
Check prices

Entertainment

7.1

Food

6.6

Crew

8.1

Comfort

7.3

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 1 airline has 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?

    United Airlines and Turkish Airlines can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 22h 52m. Your travel time can differ by up to 2h 33m. 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.

  • What is the cheapest airline to fly from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

    United Airlines, at HK$7,752, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport.. This flight start at 11% lower than the current average price 3 months from now.

  • 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.

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
Silver Spring

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Fly from Hong Kong to Dulles Intl on these airlines

Choose from the following airlines for your flight from Hong Kong to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 22 November 2025.
United Airlines flights from Hong Kong Intl to Washington, D.C. Dulles Intl

Top airline flying from Hong Kong to Dulles Intl

Discover the top airline that operate flights from Hong Kong to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 70,647 searches. Data last updated 22 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$7,752AverageHK$9,446FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 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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