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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$2,958

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 17-10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
7 Sep — 14 Sep1
1 adult

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hong Kong Intl are usually found in October or November, booked 84 days in advance, depart on a Tuesday or Monday and return on a Sunday

Cheap flight deals from Dulles Intl to Hong Kong

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hong Kong (HKG). 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 2 September 2025.

Round-trip from

HK$5,736

One-way from

HK$2,958

Popular in

December

Cheapest in

October

Average price

HK$8,054
9-1-24-1
  • 9-1-24-1
  • 4 total stops
  • 47h 04m total
  • Washington, D.C. to Hong Kong
Search Deals
17-10
  • 17-10
  • 3 total stops
  • 51h 25m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (HK$1,455 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,799 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Hong Kong

Cheapest flights from Dulles Intl to Hong Kong
Explore the most affordable flight options available from Dulles Intl to Hong Kong. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 September 2025.

Fri 14-1122:00IAD - HKG
1 stop32h 00mAir China
Fri 21-1110:30HKG - IAD
1 stop21h 00mAir China
Deal found 2-9HK$5,494
Fri 14-1109:45IAD - HKG
2 stops43h 55mAir Canada
Thu 20-1120:25HKG - IAD
2 stops56h 56mAir Canada
Deal found 2-9HK$5,533
Thu 27-1112:42IAD - HKG
2 stops40h 58mAir Canada
Tue 23-1220:25HKG - IAD
2 stops38h 00mAir Canada
Deal found 2-9HK$5,588
Sat 15-1122:11IAD - HKG
2 stops31h 29mAir Canada
Tue 20-120:25HKG - IAD
2 stops32h 29mAir Canada
Deal found 2-9HK$5,635
Sat 8-1113:20IAD - HKG
2 stops44h 30mAir Canada
Mon 17-1120:25HKG - IAD
2 stops51h 58mAir Canada
Deal found 2-9HK$5,642
Tue 30-917:22IAD - HKG
2 stops34h 43mAir Canada
Wed 15-1018:00HKG - IAD
2 stops29h 13mAir Canada
Deal found 2-9HK$5,650
Sat 15-1122:11IAD - HKG
2 stops31h 29mMultiple Airlines
Sat 17-116:25HKG - IAD
2 stops41h 04mMultiple Airlines
Deal found 2-9HK$5,666
Fri 14-1109:45IAD - HKG
2 stops43h 55mAir Canada
Thu 15-110:00HKG - IAD
2 stops23h 29mAir Canada
Deal found 2-9HK$5,674
Sun 7-909:45IAD - HKG
2 stops27h 00mMultiple Airlines
Thu 11-909:30HKG - IAD
2 stops23h 35mMultiple Airlines
Deal found 2-9HK$5,689
Tue 14-1017:22IAD - HKG
2 stops34h 43mAir Canada
Tue 21-1018:00HKG - IAD
2 stops27h 38mAir Canada
Deal found 2-9HK$5,697
Tue 14-1017:13IAD - HKG
2 stops58h 52mAir Canada
Wed 4-320:25HKG - IAD
2 stops32h 57mAir Canada
Deal found 2-9HK$5,736
Wed 15-1015:36IAD - HKG
2 stops36h 29mAir Canada
Wed 4-320:25HKG - IAD
2 stops32h 57mAir Canada
Deal found 2-9HK$5,783

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dulles Intl to Hong Kong 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 2 September 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hong Kong that are best for you.

Fly from

Dulles Intl

Fly to

Hong Kong

Route

Departure

Return

Price

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 13-11

09:00-22:50

2 stops24h 50m

Hong Kong Intl

Sat 13-12

20:25-15:51

2 stops32h 26m

HK$6,173

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 29-10

16:30-17:40

2 stops37h 10m

Hong Kong Intl

Mon 1-12

02:10-20:59

2 stops31h 49m

HK$6,946

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 16-1

18:20-14:50

1 stop31h 30m

Hong Kong Intl

Sun 18-1

22:45-15:35

1 stop29h 50m

HK$7,515

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 25-9

13:30-08:50

1 stop31h 20m

Hong Kong Intl

Wed 8-10

22:30-19:45

1 stop33h 15m

HK$7,593

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 12-11

21:10-17:05

1 stop30h 55m

Hong Kong Intl

Thu 11-12

10:00-11:45

1 stop38h 45m

HK$7,952

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 10-11

13:30-17:05

1 stop38h 35m

Hong Kong Intl

Thu 11-12

10:00-11:45

1 stop38h 45m

HK$7,952

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 13-11

21:10-17:05

1 stop30h 55m

Hong Kong Intl

Thu 11-12

23:20-11:45

1 stop25h 25m

HK$7,952

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 21-10

21:40-08:50

1 stop23h 10m

Hong Kong Intl

Tue 18-11

10:00-11:45

1 stop38h 45m

HK$7,991

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 12-11

21:10-17:05

1 stop30h 55m

Hong Kong Intl

Tue 9-12

23:20-11:45

1 stop25h 25m

HK$8,070

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 9-11

13:30-08:20

1 stop29h 50m

Hong Kong Intl

Wed 10-12

23:20-11:45

1 stop25h 25m

HK$8,109

Flights are sorted by cheapest return flights first.

Deals found on 1-9

Showing 1-10 of 20 results
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Best time to book a flight from Dulles Intl to Hong Kong

Have a flexible travel schedule? Discover the best time to fly to Hong Kong from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Hong Kong

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

Use this chart to determine the optimal time to book a return flight from Dulles Intl to Hong Kong. Price data was last updated on 29 August 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Hong Kong, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest time of day to fly from IAD to HKG?

Find hourly flight availability from Dulles Intl to Hong Kong. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 September 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Hong Kong is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 12% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hong Kong. 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 into for flights to Hong Kong from Washington, D.C. Dulles Intl?

    Located just 26.0 km from the city centre, Hong Kong Intl is the airport most travellers will use when flying to Hong Kong from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Hong Kong Intl (HKG) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

    For as low as HK$6,173, Air Canada can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 24h 50m. Washington, D.C. Dulles Intl Airport and Hong Kong are separated by a distance of 13092 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Dulles Intl to Hong Kong that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Hong Kong flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Hong Kong?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Hong Kong.

  • Can I find deals for business class flights from Dulles Intl to Hong Kong?

    Yes. Cheapflights offers flight deals from Dulles Intl to Hong Kong 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

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Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Hong Kong?

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