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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,562

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 17-1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
28 Dec — 4 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Hong Kong Intl are usually found in November or October, booked 59 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 28 November 2025.

Round-trip from

HK$8,618

One-way from

HK$3,562

Popular in

December

Cheapest in

November

Average price

HK$7,000
16-3-15-4
  • 16-3-15-4
  • 5 total stops
  • 64h 25m total
  • Washington, D.C. to Hong Kong
Search Deals
17-1
  • 17-1
  • 3 total stops
  • 45h 31m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (HK$2,425 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (HK$2,055 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Find flight deals from Dulles Intl to Hong Kong

Enter your travel dates to find the best prices.

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 28 November 2025.

Thu 27-1120:05IAD - HKG
1 stop29h 45mQatar Airways
Wed 3-1200:25HKG - IAD
1 stop28h 30mQatar Airways
Deal found 26-11HK$8,626
Sun 30-1122:31IAD - HKG
1 stop43h 14mUnited Airlines
Sat 27-1210:35HKG - IAD
1 stop18h 55mUnited Airlines
Deal found 28-11HK$8,657
Mon 8-1213:20IAD - HKG
2 stops40h 20mAir Canada
Sat 17-120:25HKG - IAD
2 stops56h 48mAir Canada
Deal found 27-11HK$8,672
Sun 30-1117:15IAD - HKG
2 stops36h 25mAir Canada
Sat 27-1220:25HKG - IAD
2 stops28h 23mAir Canada
Deal found 26-11HK$8,704
Sun 7-1209:00IAD - HKG
1 stop33h 00mUnited Airlines
Tue 20-114:20HKG - IAD
2 stops28h 04mUnited Airlines
Deal found 27-11HK$8,719
Sat 6-1219:00IAD - HKG
1 stop23h 00mUnited Airlines
Mon 22-1210:35HKG - IAD
2 stops23h 50mUnited Airlines
Deal found 27-11HK$8,750
Wed 3-1209:45IAD - HKG
2 stops43h 55mMultiple Airlines
Sun 7-1200:25HKG - IAD
1 stop28h 30mMultiple Airlines
Deal found 26-11HK$8,758
Fri 5-1209:45IAD - HKG
2 stops26h 05mMultiple Airlines
Sun 7-1202:00HKG - IAD
2 stops31h 59mMultiple Airlines
Deal found 26-11HK$8,867
Sun 7-1213:10IAD - HKG
2 stops27h 35mANA
Tue 20-100:05HKG - IAD
1 stop22h 05mANA
Deal found 27-11HK$8,882
Tue 9-1212:20IAD - HKG
1 stop28h 25mANA
Mon 19-100:05HKG - IAD
1 stop28h 35mANA
Deal found 27-11HK$8,890
Sat 6-1213:10IAD - HKG
2 stops34h 45mANA
Sun 21-1200:05HKG - IAD
2 stops34h 16mANA
Deal found 27-11HK$8,921
Sun 7-1208:20IAD - HKG
2 stops32h 25mANA
Wed 21-100:05HKG - IAD
2 stops34h 12mANA
Deal found 26-11HK$8,960

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 28 November 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

Sun 10-5

13:15-22:30

1 stop21h 15m

Hong Kong Intl

Mon 25-5

00:45-11:15

1 stop22h 30m

HK$8,657

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 12-5

13:15-22:30

1 stop21h 15m

Hong Kong Intl

Sat 20-6

00:45-11:15

1 stop22h 30m

HK$8,657

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 11-2

18:00-07:00

1 stop24h 00m

Hong Kong Intl

Sat 21-2

11:25-21:23

2 stops22h 58m

HK$8,680

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 6-4

10:06-22:30

2 stops24h 24m

Hong Kong Intl

Fri 10-4

00:45-11:15

1 stop22h 30m

HK$8,696

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 27-3

10:06-23:10

2 stops25h 04m

Hong Kong Intl

Wed 8-4

00:45-11:15

1 stop22h 30m

HK$8,696

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 7-4

10:06-22:30

2 stops24h 24m

Hong Kong Intl

Fri 8-5

00:45-11:15

1 stop22h 30m

HK$8,696

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 6-4

10:06-22:30

2 stops24h 24m

Hong Kong Intl

Thu 9-4

00:45-11:15

1 stop22h 30m

HK$8,696

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 8-4

10:06-22:30

2 stops24h 24m

Hong Kong Intl

Thu 7-5

00:45-11:15

1 stop22h 30m

HK$8,696

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 10-4

13:15-22:30

1 stop21h 15m

Hong Kong Intl

Mon 4-5

00:45-16:39

2 stops27h 54m

HK$8,742

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sat 4-4

13:15-22:30

1 stop21h 15m

Hong Kong Intl

Sun 10-5

17:55-13:59

2 stops32h 04m

HK$8,742

Flights are sorted by cheapest return flights first.

Deals found on 25-11

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 21 November 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 59 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 month to book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of HK$3,523). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$10,275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 28 November 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 in the afternoon could potentially save you up to 30% 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$8,657, Korean Air can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 21h 15m. 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of HK$3,523). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$10,275). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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