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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,760

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 1-6. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
9 Apr — 16 Apr1
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 10 March 2026.

Wed 22-412:40
HKG
-
IAD
2 stops23h 52m
United Airlines
Sun 26-419:49
IAD
-
HKG
1 stop34h 41m
United Airlines
Deal found 8-3HK$6,558
Thu 24-922:30
HKG
-
IAD
2 stops25h 13m
United Airlines
Sun 27-917:55
IAD
-
HKG
1 stop23h 05m
United Airlines
Deal found 8-3HK$6,777
Thu 24-919:40
HKG
-
IAD
2 stops23h 48m
Multiple Airlines
Sun 27-917:38
IAD
-
HKG
2 stops28h 27m
Multiple Airlines
Deal found 8-3HK$6,871
Tue 21-410:30
HKG
-
IAD
1 stop21h 00m
Air China
Tue 28-423:00
IAD
-
HKG
1 stop34h 05m
Air China
Deal found 7-3HK$7,215
Thu 24-921:45
HKG
-
IAD
1 stop36h 15m
EVA Air
Sat 26-901:15
IAD
-
HKG
1 stop19h 35m
EVA Air
Deal found 8-3HK$7,223
Tue 24-308:30
HKG
-
IAD
1 stop23h 00m
Air China
Tue 28-423:00
IAD
-
HKG
1 stop26h 05m
Air China
Deal found 5-3HK$7,442
Mon 13-417:45
HKG
-
IAD
1 stop37h 45m
Air China
Fri 17-423:00
IAD
-
HKG
1 stop34h 05m
Air China
Deal found 10-3HK$7,473
Sat 20-609:45
HKG
-
IAD
2 stops37h 27m
Air Canada
Thu 16-715:45
IAD
-
HKG
2 stops25h 30m
Air Canada
Deal found 8-3HK$7,520
Tue 21-417:30
HKG
-
IAD
2 stops24h 10m
China Airlines
Tue 28-409:00
IAD
-
HKG
2 stops36h 15m
China Airlines
Deal found 7-3HK$7,606
Mon 23-300:25
HKG
-
IAD
1 stop28h 30m
Qatar Airways
Wed 8-411:05
IAD
-
HKG
1 stop22h 50m
Qatar Airways
Deal found 7-3HK$7,637
Thu 19-317:55
HKG
-
IAD
1 stop27h 25m
Qatar Airways
Fri 3-411:05
IAD
-
HKG
1 stop22h 50m
Qatar Airways
Deal found 6-3HK$7,684

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 10 March 2026.

Round-trip from

HK$6,558

One-way from

HK$3,760

Popular in

May

Cheapest in

April

Average price

HK$7,786
United Airlines
  • United Airlines
  • 22-4-26-4
  • 3 total stops
  • 58h 33m total
  • Hong Kong to Washington, D.C.
Search Deals
Delta
  • Delta
  • 1-6
  • 2 total stops
  • 23h 53m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (HK$7,268 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (HK$3,074 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 10 March 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

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 22-4

12:40-00:32

2 stops23h 52m

Washington, D.C. Dulles Intl

Sun 26-4

22:10-18:55

1 stop32h 45m

HK$6,558

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1-6

22:30-11:52

2 stops25h 22m

Washington, D.C. Dulles Intl

Tue 30-6

20:18-18:30

1 stop34h 12m

HK$6,558

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 24-4

11:45-00:45

2 stops25h 00m

Washington, D.C. Dulles Intl

Fri 1-5

08:30-05:00

2 stops32h 30m

HK$7,707

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 22-4

09:45-07:50

2 stops34h 05m

Washington, D.C. Dulles Intl

Sun 26-4

22:08-05:15

2 stops43h 07m

HK$7,786

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 6-5

18:15-16:05

1 stop33h 50m

Washington, D.C. Dulles Intl

Sun 10-5

11:00-23:20

1 stop24h 20m

HK$7,840

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 20-3

17:55-16:55

1 stop35h 00m

Washington, D.C. Dulles Intl

Mon 6-4

21:00-21:55

1 stop36h 55m

HK$8,044

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 21-4

00:55-16:05

1 stop27h 10m

Washington, D.C. Dulles Intl

Sun 26-4

11:00-23:20

1 stop24h 20m

HK$8,098

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 21-3

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Fri 3-4

11:05-21:55

1 stop22h 50m

HK$8,255
Fastest return journey

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 9-4

11:45-22:18

1 stop22h 33m

Washington, D.C. Dulles Intl

Mon 20-4

17:55-05:40

1 stop23h 45m

HK$8,536

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 6-4

21:45-16:03

2 stops30h 18m

Washington, D.C. Dulles Intl

Mon 13-4

08:23-18:55

1 stop22h 32m

HK$8,614

Flights are sorted by cheapest return flights first.

Deals found on 8-3

Showing 1-10 of 23 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$6,668). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of HK$9,411). 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.

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 10 March 2026.
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
9,409 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,409 reviews
United Airlines
7.4
Good
9,409 reviews
Check prices

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Boarding

7.7

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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, Air Canada, and Qatar Airways can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 23h 52m. Your travel time can differ by up to 10h 13m. 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$7,198, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport.. This flight start at 14% 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.

  • 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$6,668). Flying from Hong Kong to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of HK$9,411). 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 Dulles Intl flights
Hong Kong to Baltimore flights
Hong Kong to Reagan-National 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$7,198AverageHK$9,741FlexibilityNo 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.

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