Find flights
When to book
FAQs

Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,525

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 31-1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
11 Jan — 18 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 April, 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 12 December 2025.

Wed 10-1212:20IAD - HKG
1 stop35h 35mANA
Sun 28-1214:20HKG - IAD
1 stop31h 50mANA
Deal found 10-12HK$9,026
Tue 30-1220:15IAD - HKG
1 stop34h 00mUnited Airlines
Tue 3-314:20HKG - IAD
1 stop31h 50mUnited Airlines
Deal found 11-12HK$9,034
Tue 30-1222:05IAD - HKG
1 stop32h 10mUnited Airlines
Tue 17-210:35HKG - IAD
1 stop23h 13mUnited Airlines
Deal found 10-12HK$9,112
Wed 10-1222:10IAD - HKG
1 stop32h 10mUnited Airlines
Tue 20-110:00HKG - IAD
2 stops22h 21mUnited Airlines
Deal found 10-12HK$9,135
Thu 11-1208:20IAD - HKG
2 stops32h 25mANA
Thu 18-1210:00HKG - IAD
2 stops24h 21mANA
Deal found 10-12HK$9,267
Tue 30-1217:10IAD - HKG
2 stops60h 30mAir Canada
Thu 26-220:25HKG - IAD
2 stops37h 58mAir Canada
Deal found 12-12HK$9,446
Fri 12-1208:20IAD - HKG
2 stops32h 25mANA
Thu 25-1200:05HKG - IAD
1 stop22h 05mANA
Deal found 11-12HK$9,680
Thu 11-1206:00IAD - HKG
2 stops27h 50mUnited Airlines
Wed 17-1211:25HKG - IAD
1 stop20h 29mUnited Airlines
Deal found 10-12HK$9,788
Fri 12-1212:20IAD - HKG
1 stop28h 25mMultiple Airlines
Fri 26-1208:30HKG - IAD
1 stop23h 00mMultiple Airlines
Deal found 10-12HK$10,325

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 12 December 2025.

Round-trip from

HK$8,310

One-way from

HK$3,525

Popular in

December

Cheapest in

November

Average price

HK$12,372
Korean Air
  • Korean Air
  • 10-2-10-3
  • 3 total stops
  • 66h 30m total
  • Washington, D.C. to Hong Kong
Search Deals
31-1
  • 31-1
  • 2 total stops
  • 28h 56m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (HK$3,878 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,215 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 12 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

Wed 4-2

06:00-23:10

2 stops28h 10m

Hong Kong Intl

Wed 25-3

00:55-10:50

1 stop21h 55m

HK$8,310

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$8,318

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$8,318

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$8,357

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 15-2

12:23-23:10

2 stops45h 47m

Hong Kong Intl

Tue 10-3

00:55-10:50

1 stop21h 55m

HK$8,403

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sat 31-1

18:15-06:45

1 stop23h 30m

Hong Kong Intl

Wed 18-2

10:35-16:40

1 stop19h 05m

HK$8,652

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 1-2

18:45-07:00

1 stop23h 15m

Hong Kong Intl

Thu 19-2

10:35-20:53

2 stops23h 18m

HK$8,652

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 11-2

18:45-07:00

1 stop23h 15m

Hong Kong Intl

Sat 21-2

10:35-21:23

2 stops23h 48m

HK$8,652

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Fri 30-1

11:50-23:10

1 stop22h 20m

Hong Kong Intl

Tue 17-2

00:55-09:50

1 stop21h 55m

HK$8,660

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 1-2

18:00-07:00

1 stop24h 00m

Hong Kong Intl

Wed 18-2

11:25-20:41

2 stops22h 16m

HK$8,660

Flights are sorted by cheapest return flights first.

Deals found on 9-12

Showing 1-10 of 21 results
1
2
3

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 5 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$3,525). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$10,279). 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 12 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.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Hong Kong?

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$8,318, 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$3,525). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$10,279). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights from Dulles Intl to Hong Kong by cabin class

Find flights from Dulles Intl to Hong Kong, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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 Dulles Intl to Hong Kong?

Cheapflights helps you search for flights from Dulles Intl to Hong Kong via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Dulles Intl to Hong Kong by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from Dulles Intl to Hong Kong become cheaper?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.