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Dulles Intl

$487+ Cheap flights from Hong Kong (HKG) to Dulles Intl (IAD)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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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 September 13, 2025.

Round-trip from

$857
(United Airlines)

One-way from

$487
(Trip.com)

Popular in

May

Cheapest in

April

Average price

$970
From Hong Kong Intl to Washington, D.C. Dulles Intl
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One-way flight from Hong Kong Intl to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 2% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Hong Kong to Dulles Intl

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 September 13, 2025.

This Kissandfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:15 amHKG - IAD
2 stops25h 17mLufthansa
Sun 9/285:42 pmIAD - HKG
1 stop23h 58mLufthansa
Deal found 9/11$792
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2610:30 pmHKG - IAD
2 stops25h 19mUnited Airlines
Sun 11/210:08 pmIAD - HKG
1 stop32h 07mUnited Airlines
Deal found 9/11$857
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:35 amHKG - IAD
2 stops25h 24mUnited Airlines
Tue 11/44:10 pmIAD - HKG
1 stop25h 35mUnited Airlines
Deal found 9/12$858
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:55 pmHKG - IAD
2 stops29h 00mUnited Airlines
Thu 10/308:04 pmIAD - HKG
1 stop22h 56mUnited Airlines
Deal found 9/12$871
This Gotogate deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:30 amHKG - IAD
1 stop21h 00mAir China
Tue 11/410:00 pmIAD - HKG
1 stop26h 05mAir China
Deal found 9/12$904
This SmartFares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:10 amHKG - IAD
2 stops32h 13mMultiple Airlines
Mon 11/107:43 amIAD - HKG
2 stops36h 32mMultiple Airlines
Deal found 9/12$924
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/210:00 amHKG - IAD
1 stop38h 45mTurkish Airlines
Wed 11/129:10 pmIAD - HKG
1 stop30h 55mTurkish Airlines
Deal found 9/12$926
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/38:25 pmHKG - IAD
2 stops37h 29mAir Canada
Tue 11/114:25 pmIAD - HKG
2 stops37h 15mAir Canada
Deal found 9/12$940
This oojo deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:10 pmHKG - IAD
2 stops23h 23mChina Airlines
Thu 10/307:43 amIAD - HKG
2 stops37h 32mChina Airlines
Deal found 9/12$943
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:30 amHKG - IAD
1 stop21h 00mAir China
Tue 11/1110:00 pmIAD - HKG
1 stop24h 45mAir China
Deal found 9/12$947
This SmartFares deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/281:30 pmHKG - IAD
2 stops28h 53mMultiple Airlines
Tue 11/46:13 pmIAD - HKG
2 stops26h 57mMultiple Airlines
Deal found 9/12$957
This FlightHub deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/42:20 pmHKG - IAD
1 stop38h 20mANA
Mon 11/108:30 amIAD - HKG
2 stops25h 20mANA
Deal found 9/12$958

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 13, 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

Depart

Return

Price

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 11/3

10:35 am-11:59 pm

2 stops26h 24m

Washington, D.C. Dulles Intl

Mon 11/10

4:10 pm-6:45 am

1 stop25h 35m

$857

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 11/2

10:30 pm-11:49 am

2 stops26h 19m

Washington, D.C. Dulles Intl

Wed 11/12

4:10 pm-6:45 am

1 stop25h 35m

$857

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 1/18

10:45 pm-11:44 am

2 stops25h 59m

Washington, D.C. Dulles Intl

Sat 1/24

6:04 pm-7:20 pm

1 stop36h 16m

$857

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10/28

10:35 am-11:59 pm

2 stops25h 24m

Washington, D.C. Dulles Intl

Tue 11/4

4:10 pm-6:45 am

1 stop25h 35m

$858

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10/28

10:30 am-7:30 pm

1 stop21h 00m

Washington, D.C. Dulles Intl

Tue 11/4

10:00 pm-1:05 pm

1 stop26h 05m

$904

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 10/28

1:30 pm-6:23 am

2 stops28h 53m

Washington, D.C. Dulles Intl

Tue 11/4

6:13 pm-10:10 am

2 stops26h 57m

$957

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 12/17

12:25 am-3:55 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Fri 1/2

10:40 am-9:40 pm

1 stop22h 00m

$977

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 10/26

10:30 pm-7:21 am

2 stops20h 51m

Washington, D.C. Dulles Intl

Sun 11/2

12:55 pm-7:00 am

2 stops29h 05m

$979

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 10/27

12:25 am-4:55 pm

1 stop28h 30m

Washington, D.C. Dulles Intl

Tue 11/4

8:05 pm-9:40 pm

1 stop36h 35m

$984

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sun 10/26

6:05 pm-4:55 pm

1 stop34h 50m

Washington, D.C. Dulles Intl

Sun 11/2

8:05 pm-2:50 pm

1 stop29h 45m

$989

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 21 results
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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 round-trip 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, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

  • What airport do you fly from for flights from Hong Kong to Washington, D.C. Dulles Intl?

    For a flight from Hong Kong to Washington, D.C. Dulles Intl, you will be flying from Hong Kong Intl. Hong Kong Intl (HKG) is just 16.2 mi from the center of the city. Hong Kong Intl is the only Hong Kong airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Hong Kong Intl on a regular basis.

  • How long is the flight from Hong Kong to Washington, D.C. Dulles Intl Airport?

    A quick flight from Hong Kong to Washington, D.C. Dulles Intl Airport can take about 21h. United Airlines provides one of the quickest options available for as low as $904. Hong Kong and Washington, D.C. Dulles Intl Airport are separated by a distance of 8135 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Hong Kong to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Traveling 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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