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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,549

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 19-1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
12 Jan — 19 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

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 13 December 2025.

Tue 30-1220:15IAD - HKG
1 stop34h 00mUnited Airlines
Tue 3-314:20HKG - IAD
1 stop31h 50mUnited Airlines
Deal found 11-12HK$9,037
Tue 30-1212:40IAD - HKG
2 stops29h 05mUnited Airlines
Thu 26-210:35HKG - IAD
2 stops23h 12mUnited Airlines
Deal found 11-12HK$9,146
Tue 30-1217:10IAD - HKG
2 stops60h 30mAir Canada
Thu 26-220:25HKG - IAD
2 stops37h 58mAir Canada
Deal found 12-12HK$9,450
Fri 12-1208:20IAD - HKG
2 stops32h 25mANA
Thu 25-1200:05HKG - IAD
1 stop22h 05mANA
Deal found 11-12HK$9,683
Mon 15-1212:20IAD - HKG
1 stop28h 25mANA
Wed 14-100:05HKG - IAD
1 stop28h 35mANA
Deal found 13-12HK$10,578
Sun 14-1222:08IAD - HKG
1 stop32h 07mUnited Airlines
Wed 28-114:20HKG - IAD
1 stop38h 20mUnited Airlines
Deal found 12-12HK$10,594
Mon 15-1212:20IAD - HKG
1 stop35h 35mUnited Airlines
Sun 25-114:20HKG - IAD
1 stop31h 50mUnited Airlines
Deal found 12-12HK$10,633
Wed 17-1206:45IAD - HKG
2 stops34h 00mUnited Airlines
Tue 13-100:05HKG - IAD
1 stop28h 35mUnited Airlines
Deal found 13-12HK$10,672
Mon 15-1206:45IAD - HKG
2 stops27h 05mUnited Airlines
Wed 28-114:20HKG - IAD
1 stop31h 50mUnited Airlines
Deal found 12-12HK$10,695

Find 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 13 December 2025.

Round-trip from

HK$8,282

One-way from

HK$3,549

Popular in

December

Cheapest in

November

Average price

HK$12,322
United Airlines
  • United Airlines
  • 12-1-22-1
  • 3 total stops
  • 46h 24m total
  • Washington, D.C. to Hong Kong
Search Deals
19-1
  • 19-1
  • 3 total stops
  • 41h 00m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$2,182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,169 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 13 December 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

Mon 26-1

12:23-23:10

2 stops45h 47m

Hong Kong Intl

Wed 18-2

00:55-09:50

1 stop21h 55m

HK$8,313

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 26-1

19:49-23:10

2 stops38h 21m

Hong Kong Intl

Mon 16-2

12:35-09:50

1 stop34h 15m

HK$8,313

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 4-2

06:00-23:10

2 stops28h 10m

Hong Kong Intl

Wed 25-3

00:55-10:50

1 stop21h 55m

HK$8,313

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 5-2

18:15-06:45

1 stop23h 30m

Hong Kong Intl

Wed 18-2

10:35-20:47

2 stops23h 12m

HK$8,321

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 12-1

18:00-07:00

1 stop24h 00m

Hong Kong Intl

Thu 22-1

10:35-21:17

2 stops23h 42m

HK$8,321

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 17-2

14:36-06:45

1 stop27h 09m

Hong Kong Intl

Thu 16-4

09:30-21:10

2 stops23h 40m

HK$8,360

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 26-1

11:50-11:20

1 stop34h 30m

Hong Kong Intl

Sun 15-2

12:35-19:09

2 stops43h 34m

HK$8,360

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 28-1

11:50-23:10

1 stop22h 20m

Hong Kong Intl

Tue 17-2

00:55-14:44

2 stops26h 49m

HK$8,360

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 5-1

18:37-06:45

1 stop23h 08m

Hong Kong Intl

Wed 4-2

10:35-19:21

2 stops21h 46m

HK$8,368

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 3-3

12:50-06:45

2 stops28h 55m

Hong Kong Intl

Tue 31-3

21:45-05:33

1 stop19h 48m

HK$8,368

Flights are sorted by cheapest return flights first.

Deals found on 12-12

Showing 1-10 of 21 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 December 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$3,526). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of HK$8,118). 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 13 December 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$8,321, Korean Air can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 23h 30m. 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$3,526). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of HK$8,118). 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.

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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Can Cheapflights find flights from Dulles Intl to Hong Kong with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Dulles Intl to Hong Kong flexibly with Cheapflights today.

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Not ready to book yet? You can track prices for flights from Dulles Intl to Hong Kong on Cheapflights with our Price Alert feature and get notified when better prices are available.

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