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Cheap flights from Hong Kong to Washington, D.C. Dulles Intl Airport from HK$4,047

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 20-1. Fares are subject to change and may not be available on all flights or dates of travel.
HKG — IAD
24 des. — 31 des.1
1 adult
1 adult, Economy, 0 bags

Find 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 24 November 2025.

ti. 23-1211:25HKG - IAD
2 stops24h 41mUnited Airlines
ti. 30-1220:15IAD - HKG
1 stop34h 00mUnited Airlines
Deal found 22-11HK$6,880
to. 25-1210:00HKG - IAD
1 stop46h 20mTurkish Airlines
on. 7-113:30IAD - HKG
1 stop38h 35mTurkish Airlines
Deal found 23-11HK$7,494
ti. 2-1200:25HKG - IAD
1 stop28h 30mQatar Airways
on. 4-210:40IAD - HKG
1 stop22h 00mQatar Airways
Deal found 24-11HK$7,627
on. 3-1220:25HKG - IAD
2 stops32h 21mAir Canada
on. 4-217:10IAD - HKG
2 stops36h 30mAir Canada
Deal found 24-11HK$7,673
to. 25-1218:05HKG - IAD
1 stop27h 15mMultiple Airlines
on. 7-109:00IAD - HKG
2 stops44h 40mMultiple Airlines
Deal found 23-11HK$8,358
to. 25-1220:25HKG - IAD
2 stops37h 34mAir Canada
on. 7-109:45IAD - HKG
2 stops24h 05mAir Canada
Deal found 23-11HK$8,522
ti. 2-1200:25HKG - IAD
1 stop28h 30mMultiple Airlines
on. 4-222:10IAD - HKG
2 stops31h 30mMultiple Airlines
Deal found 24-11HK$8,529
ti. 2-1200:55HKG - IAD
2 stops35h 13mDelta
on. 4-215:42IAD - HKG
2 stops36h 08mDelta
Deal found 24-11HK$8,950
lø. 20-1222:30HKG - IAD
1 stop21h 17mUnited Airlines
fr. 2-122:33IAD - HKG
2 stops31h 47mUnited Airlines
Deal found 24-11HK$8,973
lø. 6-1210:35HKG - IAD
1 stop27h 21mUnited Airlines
sø. 4-106:30IAD - HKG
1 stop23h 50mUnited Airlines
Deal found 23-11HK$9,035

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 24 November 2025.

Round-trip from

HK$6,880

One-way from

HK$4,047

Popular in

May

Cheapest in

April

Average price

HK$10,133
United Airlines
  • United Airlines
  • 23-12-30-12
  • 3 total stops
  • 58h 41m total
  • Hong Kong to Washington, D.C.
Search Deals
20-1
  • 20-1
  • 2 total stops
  • 54h 41m total
  • Hong Kong to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (HK$5,992 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (HK$3,323 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 24 November 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

sø. 25-1

11:25-21:13

2 stops22h 48m

Washington, D.C. Dulles Intl

on. 28-1

18:00-07:00

1 stop24h 00m

HK$7,183

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

fr. 13-3

23:20-20:20

1 stop33h 00m

Washington, D.C. Dulles Intl

to. 13-8

13:20-07:25

1 stop30h 05m

HK$7,370

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

sø. 25-1

23:20-19:20

1 stop33h 00m

Washington, D.C. Dulles Intl

on. 28-1

21:15-17:05

1 stop30h 50m

HK$7,806

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

to. 12-3

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

to. 13-8

21:00-13:15

2 stops28h 15m

HK$8,490

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ti. 23-12

10:35-19:40

2 stops22h 05m

Washington, D.C. Dulles Intl

ti. 30-12

08:15-06:45

2 stops33h 30m

HK$8,529

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

to. 12-3

00:25-16:55

1 stop28h 30m

Washington, D.C. Dulles Intl

to. 13-8

21:00-21:55

1 stop36h 55m

HK$8,537

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

lø. 24-1

00:25-15:55

1 stop28h 30m

Washington, D.C. Dulles Intl

on. 28-1

10:40-21:40

1 stop22h 00m

HK$8,942

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

fr. 16-1

20:25-20:54

2 stops37h 29m

HK$4,164

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ti. 3-3

20:25-20:54

2 stops37h 29m

HK$4,164

Hong KongWashington, D.C.

HKG - IAD

HKGIAD

Hong Kong Intl

ti. 20-1

07:10-16:26

3 stops46h 16m

HK$4,265

Flights are sorted by cheapest return flights first.

Deals found on 22-11

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 24 November 2025.
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
9,044 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,044 reviews
United Airlines
7.4
Good
9,044 reviews
Check prices

Crew

8.1

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 and Turkish Airlines can get you from Hong Kong to Washington, D.C. Dulles Intl Airport in just under 22h 48m. Your travel time can differ by up to 10h 12m. 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$7,750, was found to be the cheapest airline from Hong Kong to Washington, D.C. Dulles Intl Airport.. This flight start at 11% 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

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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 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestHK$7,750AverageHK$9,443FlexibilityNo 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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