Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$3,744

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 26-9. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
19 Aug — 26 Aug1
1 adult

Cheap 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 14 August 2025.

Round-trip from

HK$6,547

One-way from

HK$3,744

Popular in

May

Cheapest in

October

Average price

HK$9,184
Air Canada
  • Air Canada
  • 25-9-1-10
  • 4 total stops
  • 69h 18m total
  • Hong Kong to Washington, D.C.
IndiGo
  • IndiGo
  • 26-9
  • 2 total stops
  • 40h 15m total
  • Hong Kong to Washington, D.C.
Highest demand for flights based on searches. 2% potential increase in price (HK$1,483 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (HK$1,248 potential savings vs. average return price).
Average for round-trip flights in August 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 August 2025.

Thu 25-918:00HKG - IAD
2 stops31h 38mAir Canada
Wed 1-1014:25IAD - HKG
2 stops37h 40mAir Canada
Deal found 12-8HK$6,547
Thu 25-911:05HKG - IAD
2 stops32h 28mMultiple Airlines
Tue 30-918:09IAD - HKG
2 stops27h 56mMultiple Airlines
Deal found 13-8HK$6,688
Mon 1-911:15HKG - IAD
1 stop19h 37mLufthansa
Sun 14-915:00IAD - HKG
1 stop39h 55mLufthansa
Deal found 13-8HK$6,774
Fri 26-918:55HKG - IAD
2 stops28h 37mUnited Airlines
Fri 3-1018:58IAD - HKG
1 stop22h 02mUnited Airlines
Deal found 12-8HK$7,002
Tue 9-910:30HKG - IAD
1 stop21h 00mAir China
Tue 16-923:00IAD - HKG
1 stop32h 00mAir China
Deal found 12-8HK$7,143
Tue 9-922:30HKG - IAD
1 stop20h 30mUnited Airlines
Tue 16-917:40IAD - HKG
1 stop24h 00mUnited Airlines
Deal found 12-8HK$7,324
Tue 9-918:00HKG - IAD
2 stops39h 05mAir Canada
Tue 16-909:35IAD - HKG
2 stops42h 30mAir Canada
Deal found 12-8HK$7,355
Mon 8-900:45HKG - IAD
2 stops28h 49mDelta
Tue 16-907:05IAD - HKG
2 stops27h 25mDelta
Deal found 12-8HK$7,379
Mon 1-914:35HKG - IAD
1 stop37h 00mANA
Sun 14-908:20IAD - HKG
2 stops40h 10mANA
Deal found 13-8HK$7,630
Thu 18-1210:00HKG - IAD
1 stop38h 45mTurkish Airlines
Fri 2-121:10IAD - HKG
1 stop22h 10mTurkish Airlines
Deal found 14-8HK$7,669
Fri 5-900:45HKG - IAD
2 stops28h 49mDelta
Fri 12-906:15IAD - HKG
2 stops28h 15mDelta
Deal found 12-8HK$7,685

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 August 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

Thu 25-9

18:00-13:38

2 stops31h 38m

Washington, D.C. Dulles Intl

Wed 1-10

14:25-16:05

2 stops37h 40m

HK$6,547

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 25-9

11:05-07:33

2 stops32h 28m

Washington, D.C. Dulles Intl

Tue 30-9

18:09-10:05

2 stops27h 56m

HK$6,688

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Mon 1-9

11:15-18:52

1 stop19h 37m

Washington, D.C. Dulles Intl

Sun 14-9

15:00-18:55

1 stop39h 55m

HK$6,774

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Thu 25-9

18:55-07:20

2 stops24h 25m

Washington, D.C. Dulles Intl

Tue 30-9

08:50-05:40

1 stop32h 50m

HK$7,002

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 26-9

18:55-11:32

2 stops28h 37m

Washington, D.C. Dulles Intl

Fri 3-10

18:58-05:00

1 stop22h 02m

HK$7,002

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 9-9

11:15-22:39

2 stops23h 24m

Washington, D.C. Dulles Intl

Tue 16-9

20:00-16:45

1 stop32h 45m

HK$7,002

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Fri 26-9

11:15-22:33

2 stops23h 18m

Washington, D.C. Dulles Intl

Sat 4-10

17:30-05:00

1 stop23h 30m

HK$7,002

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Sat 6-9

09:15-22:30

2 stops25h 15m

Washington, D.C. Dulles Intl

Fri 12-9

08:35-18:55

1 stop22h 20m

HK$7,002

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 9-9

10:30-19:30

1 stop21h 00m

Washington, D.C. Dulles Intl

Tue 16-9

23:00-19:00

1 stop32h 00m

HK$7,143

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

Tue 9-9

18:00-21:05

2 stops39h 05m

Washington, D.C. Dulles Intl

Tue 16-9

09:35-16:05

2 stops42h 30m

HK$7,355

Flights are sorted by cheapest return flights first.

Deals found on 12-8

Showing 1-10 of 18 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
No data available for this route at this time. Please check back soon.

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 August 2025.
See what other customers who have flown with Korean Air and 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.

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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!!

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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!!

Comfort

8.3

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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 are the cheapest airlines flying from Hong Kong to Washington, D.C. Dulles Intl Airport round-trip?

    Air Canada, at HK$6,547, 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 Lufthansa. These flights start at 24% 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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Alternative routes for Hong Kong to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

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 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$7,027AverageHK$8,647FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapestHK$8,160AverageHK$10,690FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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