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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,545

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 22-2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
7 Dec — 14 Dec1
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 7 November 2025.

Round-trip from

HK$8,241

One-way from

HK$3,545

Popular in

December

Cheapest in

November

Average price

HK$7,347
ANA
  • ANA
  • 1-12-28-12
  • 2 total stops
  • 61h 25m total
  • Washington, D.C. to Hong Kong
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Air Canada
  • Air Canada
  • 22-2
  • 2 total stops
  • 43h 55m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (HK$4,501 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,504 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 7 November 2025.

Mon 1-1211:10IAD - HKG
1 stop29h 35mANA
Sun 28-1214:20HKG - IAD
1 stop31h 50mANA
Deal found 5-11HK$8,241
Thu 27-1111:50IAD - HKG
1 stop40h 00mKorean Air
Wed 24-1218:10HKG - IAD
1 stop28h 40mKorean Air
Deal found 5-11HK$8,257
Thu 6-1113:20IAD - HKG
2 stops40h 20mAir Canada
Thu 13-1120:25HKG - IAD
2 stops56h 44mAir Canada
Deal found 5-11HK$8,272
Wed 3-1212:45IAD - HKG
2 stops29h 15mUnited Airlines
Wed 10-1214:20HKG - IAD
1 stop31h 50mUnited Airlines
Deal found 5-11HK$8,288
Tue 25-1113:30IAD - HKG
1 stop29h 50mTurkish Airlines
Sat 27-1223:20HKG - IAD
1 stop25h 25mTurkish Airlines
Deal found 5-11HK$8,296
Tue 2-1207:01IAD - HKG
2 stops44h 49mKorean Air
Tue 23-1200:55HKG - IAD
1 stop21h 55mKorean Air
Deal found 5-11HK$8,303
Mon 8-1213:30IAD - HKG
1 stop38h 35mTurkish Airlines
Tue 16-1210:00HKG - IAD
1 stop46h 20mTurkish Airlines
Deal found 5-11HK$8,311
Sun 7-1213:30IAD - HKG
1 stop38h 35mTurkish Airlines
Tue 16-1223:20HKG - IAD
1 stop25h 25mTurkish Airlines
Deal found 5-11HK$8,319
Wed 3-1208:35IAD - HKG
1 stop33h 10mUnited Airlines
Wed 24-1222:30HKG - IAD
1 stop21h 17mUnited Airlines
Deal found 5-11HK$8,327
Tue 11-1118:59IAD - HKG
1 stop23h 01mUnited Airlines
Wed 19-1110:00HKG - IAD
2 stops21h 52mUnited Airlines
Deal found 4-11HK$8,350
Thu 27-1112:36IAD - HKG
2 stops39h 14mDelta
Tue 23-1200:55HKG - IAD
2 stops34h 57mDelta
Deal found 5-11HK$8,358

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 7 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

Mon 23-2

11:50-23:10

1 stop22h 20m

Hong Kong Intl

Tue 3-3

00:55-09:50

1 stop21h 55m

HK$8,257

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 4-2

11:50-16:50

1 stop40h 00m

Hong Kong Intl

Tue 17-2

00:55-09:50

1 stop21h 55m

HK$8,257

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 29-1

11:50-16:50

1 stop40h 00m

Hong Kong Intl

Tue 17-2

00:55-09:50

1 stop21h 55m

HK$8,257

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 3-12

12:45-07:00

2 stops29h 15m

Hong Kong Intl

Wed 10-12

14:20-09:10

1 stop31h 50m

HK$8,288

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 26-2

07:15-23:10

2 stops26h 55m

Hong Kong Intl

Mon 27-4

00:45-11:15

1 stop22h 30m

HK$8,303

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 18-2

18:00-07:00

1 stop24h 00m

Hong Kong Intl

Wed 11-3

22:30-06:46

1 stop20h 16m

HK$8,327

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Sun 22-2

22:10-19:20

1 stop32h 10m

Hong Kong Intl

Mon 27-4

11:45-19:07

1 stop19h 22m

HK$8,327

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 10-2

11:50-23:10

1 stop22h 20m

Hong Kong Intl

Tue 24-2

00:55-19:11

2 stops31h 16m

HK$8,342

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Thu 12-2

07:30-23:10

2 stops26h 40m

Hong Kong Intl

Sun 22-2

00:55-11:52

2 stops23h 57m

HK$8,358

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 16-2

20:05-14:50

1 stop29h 45m

Hong Kong Intl

Wed 4-3

00:25-15:55

1 stop28h 30m

HK$8,459

Flights are sorted by cheapest return flights first.

Deals found on 5-11

Showing 1-10 of 24 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 31 October 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$3,522). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$9,641). 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 7 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.

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$8,257, Korean Air can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 22h 20m. 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$3,522). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in July is currently the most expensive (average of HK$9,641). 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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