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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,507

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 23-9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hong Kong Intl are usually found in November or October, 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 18 September 2025.

Round-trip from

HK$6,315

One-way from

HK$3,507

Popular in

December

Cheapest in

November

Average price

HK$8,166
Air Canada
  • Air Canada
  • 11-1-19-1
  • 4 total stops
  • 69h 08m total
  • Washington, D.C. to Hong Kong
Search Deals
23-9
  • 23-9
  • 2 total stops
  • 29h 45m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (HK$12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$1,505 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 18 September 2025.

Tue 25-1117:15IAD - HKG
2 stops36h 25mAir Canada
Wed 18-220:25HKG - IAD
2 stops37h 34mAir Canada
Deal found 16-9HK$6,470
Mon 17-1122:12IAD - HKG
2 stops55h 28mAir Canada
Mon 19-120:25HKG - IAD
2 stops37h 34mAir Canada
Deal found 16-9HK$6,501
Sun 16-1117:15IAD - HKG
2 stops60h 25mAir Canada
Mon 19-120:25HKG - IAD
2 stops38h 00mAir Canada
Deal found 16-9HK$6,548
Mon 1-1209:00IAD - HKG
2 stops28h 00mMultiple Airlines
Wed 24-1220:25HKG - IAD
2 stops37h 34mMultiple Airlines
Deal found 17-9HK$6,610
Mon 10-1109:00IAD - HKG
2 stops43h 45mMultiple Airlines
Thu 19-220:25HKG - IAD
2 stops61h 34mMultiple Airlines
Deal found 16-9HK$6,634
Wed 12-1116:25IAD - HKG
2 stops41h 25mAir Canada
Tue 2-1220:25HKG - IAD
2 stops61h 34mAir Canada
Deal found 17-9HK$6,649
Tue 23-909:35IAD - HKG
2 stops25h 10mMultiple Airlines
Tue 30-908:20HKG - IAD
2 stops24h 45mMultiple Airlines
Deal found 16-9HK$6,673
Tue 30-909:35IAD - HKG
2 stops26h 10mMultiple Airlines
Tue 4-1120:25HKG - IAD
2 stops37h 57mMultiple Airlines
Deal found 16-9HK$6,735
Tue 11-1113:20IAD - HKG
2 stops46h 20mMultiple Airlines
Tue 25-1120:25HKG - IAD
2 stops37h 29mMultiple Airlines
Deal found 16-9HK$6,781
Sun 30-1116:25IAD - HKG
2 stops43h 15mMultiple Airlines
Wed 24-1220:25HKG - IAD
2 stops37h 34mMultiple Airlines
Deal found 17-9HK$6,828
Thu 27-1109:45IAD - HKG
2 stops43h 55mAir Canada
Thu 4-1220:25HKG - IAD
2 stops61h 34mAir Canada
Deal found 16-9HK$6,890

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 18 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

Wed 8-10

22:14-05:40

1 stop43h 26m

Hong Kong Intl

Tue 21-10

09:15-05:38

1 stop32h 23m

HK$8,189

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 19-10

22:14-16:45

1 stop30h 31m

Hong Kong Intl

Wed 24-12

11:25-18:45

1 stop20h 20m

HK$8,228

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 21-10

07:00-16:45

1 stop21h 45m

Hong Kong Intl

Thu 25-12

22:30-06:47

1 stop21h 17m

HK$8,228

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 3-12

06:30-19:20

1 stop23h 50m

Hong Kong Intl

Thu 25-12

11:25-18:45

1 stop20h 20m

HK$8,228

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 4-12

06:45-19:15

1 stop23h 30m

Hong Kong Intl

Thu 25-12

22:30-05:22

1 stop19h 52m

HK$8,228

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 13-10

22:14-16:45

1 stop30h 31m

Hong Kong Intl

Wed 26-11

10:00-20:57

2 stops23h 57m

HK$8,259

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 10-11

11:50-16:50

1 stop40h 00m

Hong Kong Intl

Wed 18-2

00:55-09:50

1 stop21h 55m

HK$8,391

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 28-11

21:15-08:20

1 stop22h 05m

Hong Kong Intl

Fri 26-12

23:20-11:45

1 stop25h 25m

HK$8,430

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 28-10

10:11-23:10

2 stops24h 59m

Hong Kong Intl

Sun 30-11

00:55-09:50

1 stop21h 55m

HK$8,430

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 18-11

07:01-23:10

2 stops27h 09m

Hong Kong Intl

Mon 12-1

00:55-09:50

1 stop21h 55m

HK$8,430

Flights are sorted by cheapest return flights first.

Deals found on 17-9

Showing 1-10 of 23 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 12 September 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 18 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$8,189, United Airlines can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 43h 26m. Washington, D.C. Dulles Intl Airport and Hong Kong are separated by a distance of 13092 km.

  • 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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