Find flights
When to book
Airlines
FAQs

Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,772

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 15-10. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
2 sept. — 9 sept.1
1 adult

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 28 août 2025.

Round-trip from

HK$6,983

One-way from

HK$3,772

Popular in

May

Cheapest in

October

Average price

HK$9,118
United Airlines
  • United Airlines
  • 23-9-30-9
  • 3 total stops
  • 47h 27m total
  • Hong Kong to Washington, D.C.
Search Deals
IndiGo
  • IndiGo
  • 15-10
  • 2 total stops
  • 40h 15m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$1,785 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (HK$1,262 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 28 août 2025.

sam. 11-1009:15HKG - IAD
2 stops25h 43mUnited Airlines
sam. 18-1016:00IAD - HKG
1 stop25h 00mUnited Airlines
Deal found 27-8HK$6,990
mer. 1-1011:15HKG - IAD
3 stops32h 17mUnited Airlines
jeu. 23-1019:22IAD - HKG
1 stop22h 18mUnited Airlines
Deal found 28-8HK$7,006
lun. 22-920:15HKG - IAD
1 stop35h 15mAir China
mar. 28-1023:00IAD - HKG
1 stop24h 45mAir China
Deal found 28-8HK$7,092
mer. 5-1113:40HKG - IAD
2 stops29h 43mMultiple Airlines
mer. 12-1107:43IAD - HKG
2 stops45h 12mMultiple Airlines
Deal found 27-8HK$7,216
dim. 2-1110:00HKG - IAD
1 stop46h 15mTurkish Airlines
mer. 12-1121:10IAD - HKG
1 stop30h 55mTurkish Airlines
Deal found 28-8HK$7,248
lun. 3-1120:25HKG - IAD
2 stops37h 34mAir Canada
mar. 11-1109:45IAD - HKG
2 stops43h 55mAir Canada
Deal found 27-8HK$7,255
mar. 23-1220:25HKG - IAD
2 stops38h 00mAir Canada
lun. 12-113:15IAD - HKG
2 stops40h 25mAir Canada
Deal found 28-8HK$7,263
jeu. 4-909:15HKG - IAD
1 stop27h 15mUnited Airlines
mer. 17-915:00IAD - HKG
1 stop26h 00mUnited Airlines
Deal found 27-8HK$7,287
mer. 5-1110:35HKG - IAD
1 stop18h 52mUnited Airlines
dim. 16-1122:08IAD - HKG
1 stop32h 07mUnited Airlines
Deal found 27-8HK$7,310
jeu. 2-1018:00HKG - IAD
2 stops27h 38mAir Canada
mer. 22-1013:00IAD - HKG
2 stops39h 05mAir Canada
Deal found 28-8HK$7,318
lun. 29-922:30HKG - IAD
1 stop21h 45mUnited Airlines
mar. 21-1008:30IAD - HKG
1 stop22h 25mUnited Airlines
Deal found 28-8HK$7,326
mar. 4-1120:25HKG - IAD
2 stops28h 20mAir Canada
mar. 11-1117:15IAD - HKG
2 stops36h 25mAir Canada
Deal found 27-8HK$7,357

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 28 août 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

mar. 23-9

22:30-11:55

2 stops25h 25m

Washington, D.C. Dulles Intl

mar. 30-9

18:58-05:00

1 stop22h 02m

HK$6,983

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

sam. 11-10

09:15-22:58

2 stops25h 43m

Washington, D.C. Dulles Intl

sam. 18-10

16:00-05:00

1 stop25h 00m

HK$6,990

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mer. 5-11

22:45-07:20

2 stops21h 35m

Washington, D.C. Dulles Intl

mer. 12-11

17:59-07:00

1 stop24h 01m

HK$7,006

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

dim. 2-11

22:45-07:20

2 stops21h 35m

Washington, D.C. Dulles Intl

mer. 12-11

06:30-19:20

1 stop23h 50m

HK$7,006

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mar. 14-10

09:15-21:11

2 stops23h 56m

Washington, D.C. Dulles Intl

ven. 17-10

08:30-05:00

1 stop32h 30m

HK$7,006

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun. 3-11

11:25-20:57

2 stops22h 32m

Washington, D.C. Dulles Intl

mar. 11-11

18:59-07:00

1 stop23h 01m

HK$7,006

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mer. 5-11

13:40-06:23

2 stops29h 43m

Washington, D.C. Dulles Intl

mer. 12-11

07:43-17:55

2 stops45h 12m

HK$7,216

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

dim. 2-11

10:00-20:15

1 stop46h 15m

Washington, D.C. Dulles Intl

mer. 12-11

21:10-17:05

1 stop30h 55m

HK$7,248

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lun. 3-11

20:25-20:59

2 stops37h 34m

Washington, D.C. Dulles Intl

mar. 11-11

09:45-18:40

2 stops43h 55m

HK$7,255

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

mer. 5-11

20:25-20:59

2 stops37h 34m

Washington, D.C. Dulles Intl

mer. 12-11

09:45-18:40

2 stops43h 55m

HK$7,255

Flights are sorted by cheapest return flights first.

Deals found on 27-8

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

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 28 août 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.
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Crew

8.7

Comfort

8.2

Entertainment

8.2

Food

8.1

Boarding

8.5

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!!
Korean Air
8.4
Very Good
1,135 reviews
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Crew

8.7

Comfort

8.2

Entertainment

8.2

Food

8.1

Boarding

8.5

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!!
United Airlines
7.4
Good
8,944 reviews
Korean Air
8.4
Very Good
1,135 reviews
Check prices

Crew

8.7

Comfort

8.2

Entertainment

8.2

Food

8.1

Boarding

8.5

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 can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 25h 25m. 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 are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

    United Airlines, at HK$6,976, 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 18% 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.

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 28 août 2025.
United Airlines flights from Hong Kong Intl to Washington, D.C. Dulles Intl
Korean Air flights from Hong Kong Intl to Washington, D.C. Dulles Intl

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 28 août 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$6,976AverageHK$8,584FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestHK$8,101AverageHK$10,613FlexibilityNo 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.

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.