Find flights
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,526

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 5-2. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
7 Jan — 14 Jan1
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 8 December 2025.

Sat 27-1210:00HKG - IAD
2 stops23h 59mAir Canada
Tue 20-113:15IAD - HKG
2 stops40h 25mAir Canada
Deal found 6-12HK$7,511
Fri 19-1220:25HKG - IAD
2 stops61h 34mAir Canada
Mon 19-117:10IAD - HKG
2 stops36h 30mAir Canada
Deal found 6-12HK$8,437
Sat 27-1222:30HKG - IAD
2 stops25h 54mUnited Airlines
Tue 20-118:15IAD - HKG
1 stop23h 30mUnited Airlines
Deal found 6-12HK$8,749
Fri 19-1211:25HKG - IAD
1 stop20h 20mUnited Airlines
Mon 19-118:45IAD - HKG
1 stop23h 15mUnited Airlines
Deal found 6-12HK$8,967
Sun 7-1222:30HKG - IAD
1 stop21h 25mUnited Airlines
Wed 31-1222:33IAD - HKG
2 stops31h 47mUnited Airlines
Deal found 7-12HK$8,974
Sat 6-1222:30HKG - IAD
1 stop19h 57mUnited Airlines
Sun 4-122:05IAD - HKG
1 stop32h 15mUnited Airlines
Deal found 6-12HK$9,037
Fri 19-1220:25HKG - IAD
2 stops61h 34mMultiple Airlines
Mon 19-114:35IAD - HKG
3 stops33h 55mMultiple Airlines
Deal found 6-12HK$9,706
Sat 6-1220:25HKG - IAD
2 stops37h 57mAir Canada
Sun 4-109:45IAD - HKG
2 stops43h 55mAir Canada
Deal found 6-12HK$11,699
Fri 19-1222:50HKG - IAD
3 stops33h 15mEthiopian Air
Mon 19-120:50IAD - HKG
3 stops32h 15mEthiopian Air
Deal found 6-12HK$12,913

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 8 December 2025.

Round-trip from

HK$6,881

One-way from

HK$3,526

Popular in

May

Cheapest in

April

Average price

HK$7,628
United Airlines
  • United Airlines
  • 20-1-27-1
  • 3 total stops
  • 49h 13m total
  • Hong Kong to Washington, D.C.
Search Deals
5-2
  • 5-2
  • 3 total stops
  • 56h 49m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$7,294 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$3,470 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 8 December 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

Tue 10-2

11:25-23:18

2 stops24h 53m

Washington, D.C. Dulles Intl

Sun 1-3

22:05-19:15

1 stop32h 10m

HK$6,990

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 1-4

22:30-17:30

2 stops31h 00m

Washington, D.C. Dulles Intl

Thu 30-4

08:18-18:55

1 stop22h 37m

HK$7,060

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 6-3

11:25-23:19

2 stops24h 54m

Washington, D.C. Dulles Intl

Mon 9-3

08:25-19:20

1 stop22h 55m

HK$7,184

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 26-1

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Wed 11-2

10:40-21:40

1 stop22h 00m

HK$7,239

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 25-2

18:05-15:55

1 stop34h 50m

Washington, D.C. Dulles Intl

Thu 26-3

21:05-21:40

1 stop36h 35m

HK$7,270

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-3

22:45-16:05

2 stops30h 20m

Washington, D.C. Dulles Intl

Tue 31-3

19:27-05:40

1 stop22h 13m

HK$7,363

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-3

14:05-05:40

2 stops28h 35m

Washington, D.C. Dulles Intl

Tue 31-3

19:01-09:15

2 stops26h 14m

HK$7,402

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-2

10:35-21:13

2 stops23h 38m

Washington, D.C. Dulles Intl

Sat 28-2

22:10-19:20

1 stop32h 10m

HK$7,480

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-2

20:25-20:54

2 stops37h 29m

Washington, D.C. Dulles Intl

Sat 28-2

09:45-18:40

2 stops43h 55m

HK$7,589

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10-2

19:40-16:26

2 stops33h 46m

Washington, D.C. Dulles Intl

Sun 1-3

18:27-09:00

2 stops25h 33m

HK$7,768

Flights are sorted by cheapest return flights first.

Deals found on 5-12

Showing 1-10 of 21 results
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
No data available for this route at this time. Please check back soon.

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 8 December 2025.
See what other customers who have flown with United Airlines from Hong Kong to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,076 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).
United Airlines
7.4
Good
9,076 reviews
United Airlines
7.4
Good
9,076 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

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 can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 24h 53m. 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.

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

    United Airlines, at HK$7,751, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport.. This flight start at 10% 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

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 Reagan-National flights
Hong Kong to Dulles Intl flights
Hong Kong to Baltimore flights

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 8 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$7,751AverageHK$9,700FlexibilityNo 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 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.