Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,788

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 14-11. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

HK$6,665

One-way from

HK$3,788

Popular in

May

Cheapest in

April

Average price

HK$7,544
United Airlines
  • United Airlines
  • 3-11-10-11
  • 3 total stops
  • 51h 59m total
  • Hong Kong to Washington, D.C.
14-11
  • 14-11
  • 2 total stops
  • 29h 43m total
  • Hong Kong to Washington, D.C.
Highest demand for flights based on searches. 2% potential increase in price (HK$1,388 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (HK$1,225 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 14 September 2025.

Sun 2-1122:30HKG - IAD
2 stops26h 19mUnited Airlines
Wed 12-1116:10IAD - HKG
1 stop25h 35mUnited Airlines
Deal found 12-9HK$6,665
Tue 28-1010:35HKG - IAD
2 stops22h 48mUnited Airlines
Tue 4-1116:10IAD - HKG
1 stop25h 35mUnited Airlines
Deal found 13-9HK$6,673
Thu 23-1009:15HKG - IAD
2 stops23h 40mUnited Airlines
Sat 15-1106:48IAD - HKG
1 stop23h 27mUnited Airlines
Deal found 13-9HK$6,681
Mon 20-1018:55HKG - IAD
2 stops29h 00mUnited Airlines
Thu 30-1020:04IAD - HKG
1 stop22h 56mUnited Airlines
Deal found 12-9HK$6,774
Tue 28-1010:30HKG - IAD
1 stop21h 00mAir China
Tue 4-1122:00IAD - HKG
1 stop24h 45mAir China
Deal found 13-9HK$7,085
Mon 3-1111:10HKG - IAD
2 stops32h 13mMultiple Airlines
Mon 10-1107:43IAD - HKG
2 stops36h 32mMultiple Airlines
Deal found 12-9HK$7,186
Sun 2-1110:00HKG - IAD
1 stop38h 45mTurkish Airlines
Wed 12-1121:10IAD - HKG
1 stop30h 55mTurkish Airlines
Deal found 12-9HK$7,202
Thu 23-1010:30HKG - IAD
1 stop37h 15mTurkish Airlines
Sat 15-1113:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 13-9HK$7,210
Mon 20-1018:00HKG - IAD
2 stops39h 12mAir Canada
Sun 16-1113:20IAD - HKG
2 stops40h 20mAir Canada
Deal found 13-9HK$7,264
Wed 22-1018:00HKG - IAD
2 stops29h 13mAir Canada
Tue 18-1117:15IAD - HKG
2 stops36h 25mAir Canada
Deal found 13-9HK$7,311
Mon 20-1020:10HKG - IAD
2 stops23h 23mChina Airlines
Thu 30-1007:43IAD - HKG
2 stops37h 32mChina Airlines
Deal found 12-9HK$7,334
Tue 21-1010:30HKG - IAD
1 stop21h 00mAir China
Tue 18-1122:00IAD - HKG
1 stop26h 05mAir China
Deal found 13-9HK$7,365

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 14 September 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

Mon 3-11

10:35-23:59

2 stops26h 24m

Washington, D.C. Dulles Intl

Mon 10-11

16:10-06:45

1 stop25h 35m

HK$6,665

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

10:30-19:30

1 stop21h 00m

Washington, D.C. Dulles Intl

Tue 4-11

22:00-11:45

1 stop24h 45m

HK$7,085

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

19:25-15:54

2 stops32h 29m

Washington, D.C. Dulles Intl

Tue 4-11

16:25-18:40

2 stops37h 15m

HK$7,389

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 28-10

13:30-06:23

2 stops28h 53m

Washington, D.C. Dulles Intl

Tue 4-11

18:13-10:10

2 stops26h 57m

HK$7,443

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 23-10

18:00-13:38

2 stops31h 38m

Washington, D.C. Dulles Intl

Thu 13-11

16:25-18:40

2 stops37h 15m

HK$7,521

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 18-12

10:00-19:15

1 stop46h 15m

Washington, D.C. Dulles Intl

Fri 2-1

13:30-08:20

1 stop29h 50m

HK$7,630

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 27-10

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

Tue 4-11

20:05-21:40

1 stop36h 35m

HK$7,661

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 25-10

22:30-12:45

1 stop26h 15m

Washington, D.C. Dulles Intl

Mon 17-11

21:10-17:05

1 stop30h 55m

HK$7,707

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 25-10

22:30-12:45

1 stop26h 15m

Washington, D.C. Dulles Intl

Sat 15-11

21:10-17:05

1 stop30h 55m

HK$7,707

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Wed 22-10

22:30-11:45

1 stop25h 15m

Washington, D.C. Dulles Intl

Tue 18-11

21:10-17:05

1 stop30h 55m

HK$7,707

Flights are sorted by cheapest return flights first.

Deals found on 14-9

Showing 1-10 of 21 results
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2
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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 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 42% of one-stop itineraries from Hong Kong to Washington, D.C. Dulles Intl Airport on Cheapflights.

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 09m.

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 09m.

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 47m.

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 14 September 2025.
Get a feel of what it's like to fly with Korean Air and 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.

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Crew

8.7

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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 2 airlines have 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, Air China, and Air Canada can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 21h. Your travel time can differ by up to 11h 29m. 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 are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

    United Airlines, at HK$6,962, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport. An alternate airline flying to your destination would be Korean Air. These flights start at 19% 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 14 September 2025.

Top 2 airlines flying from Hong Kong to Dulles Intl

Discover the top 2 airlines 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 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$6,962AverageHK$8,567FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestHK$8,085AverageHK$11,982FlexibilityNo cancel feeOn-time81%
Search Korean Air 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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