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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
6 Jan — 13 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 7 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 stop21h 15mUnited Airlines
Mon 19-116:11IAD - HKG
2 stops25h 34mUnited 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 6-1222:45HKG - IAD
1 stop21h 06mUnited Airlines
Sun 4-118:37IAD - HKG
1 stop23h 08mUnited Airlines
Deal found 5-12HK$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 stops28h 14mAir Canada
Sun 4-122:08IAD - HKG
2 stops55h 32mAir Canada
Deal found 5-12HK$11,675

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 7 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$7,295 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 7 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 20-1

10:35-23:18

2 stops25h 43m

Washington, D.C. Dulles Intl

Tue 27-1

18:15-06:45

1 stop23h 30m

HK$6,881

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

22:45-07:27

2 stops21h 42m

Washington, D.C. Dulles Intl

Mon 9-3

19:27-19:15

1 stop35h 48m

HK$7,184

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

Thu 5-3

00:55-09:50

1 stop21h 55m

Washington, D.C. Dulles Intl

Mon 9-3

12:50-23:10

1 stop22h 20m

HK$7,316

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1-3

10:00-19:20

1 stop46h 20m

Washington, D.C. Dulles Intl

Tue 31-3

13:20-17:15

1 stop39h 55m

HK$7,371

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

Sat 27-12

10:00-20:59

2 stops23h 59m

Washington, D.C. Dulles Intl

Tue 20-1

13:15-18:40

2 stops40h 25m

HK$7,511

Flights are sorted by cheapest return flights first.

Deals found on 5-12

Showing 1-10 of 20 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

How much does it cost for a return flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

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 7 December 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
9,072 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

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
9,072 reviews
United Airlines
7.4
Good
9,072 reviews
Check prices

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

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.

  • 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 can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 25h 43m. 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

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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 7 December 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 7 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 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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