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Cheap flights from Washington, D.C. Dulles Intl Airport to Hong Kong from HK$3,073

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 27-8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HKG
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

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 23 July 2026.

Mon 21-908:29
IAD
-
HKG
1 stop32h 46m
Air Canada
Tue 6-1000:45
HKG
-
IAD
2 stops54h 15m
Air Canada
Deal found 20-7HK$6,366
Mon 21-908:29
IAD
-
HKG
1 stop32h 46m
Multiple Airlines
Tue 6-1013:20
HKG
-
IAD
2 stops62h 05m
Multiple Airlines
Deal found 20-7HK$6,398
Mon 21-908:29
IAD
-
HKG
1 stop32h 46m
Air Canada
Tue 6-1009:30
HKG
-
IAD
2 stops41h 30m
Air Canada
Deal found 20-7HK$6,406
Mon 17-815:45
IAD
-
HKG
2 stops43h 00m
Air Canada
Mon 21-909:30
HKG
-
IAD
2 stops41h 30m
Air Canada
Deal found 21-7HK$6,484
Tue 3-1109:55
IAD
-
HKG
2 stops38h 20m
Multiple Airlines
Tue 17-1110:30
HKG
-
IAD
2 stops42h 56m
Multiple Airlines
Deal found 20-7HK$6,523
Wed 9-909:45
IAD
-
HKG
2 stops24h 50m
Air Canada
Tue 8-1210:00
HKG
-
IAD
2 stops23h 23m
Air Canada
Deal found 20-7HK$6,531
Wed 9-909:45
IAD
-
HKG
2 stops24h 50m
Air Canada
Tue 15-909:30
HKG
-
IAD
2 stops41h 30m
Air Canada
Deal found 21-7HK$6,539
Mon 21-908:29
IAD
-
HKG
1 stop32h 46m
Air Canada
Mon 5-1009:45
HKG
-
IAD
2 stops33h 58m
Air Canada
Deal found 20-7HK$6,602
Wed 4-1117:37
IAD
-
HKG
2 stops46h 33m
Air Canada
Tue 24-1100:55
HKG
-
IAD
2 stops47h 50m
Air Canada
Deal found 21-7HK$6,649
Tue 8-915:45
IAD
-
HKG
2 stops25h 30m
Air Canada
Mon 14-909:30
HKG
-
IAD
2 stops42h 48m
Air Canada
Deal found 20-7HK$6,680

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 23 July 2026.

Round-trip from

HK$6,366

One-way from

HK$3,073

Popular in

December

Cheapest in

November

Average price

HK$10,341
Air Canada
  • Air Canada
  • 21-9-6-10
  • 3 total stops
  • 87h 01m total
  • Washington, D.C. to Hong Kong
Search Deals
27-8
  • 27-8
  • 2 total stops
  • 31h 42m total
  • Washington, D.C. to Hong Kong
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (HK$1,562 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (HK$2,381 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 23 July 2026.
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

Fly to

Route

Departure

Return

Price

Cheapest return flight

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 3-11

17:46-05:10

2 stops46h 24m

Hong Kong Intl

Mon 9-11

10:45-11:48

2 stops38h 03m

HK$7,323

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 3-11

14:30-08:05

1 stop28h 35m

Hong Kong Intl

Mon 9-11

23:15-19:25

1 stop33h 10m

HK$7,448

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 16-11

21:20-08:05

1 stop21h 45m

Hong Kong Intl

Thu 19-11

23:15-19:25

1 stop33h 10m

HK$7,636

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 18-11

13:30-17:05

1 stop38h 35m

Hong Kong Intl

Wed 16-12

09:45-11:45

1 stop39h 00m

HK$7,840

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 18-11

13:30-17:05

1 stop38h 35m

Hong Kong Intl

Sun 29-11

09:45-11:45

1 stop39h 00m

HK$7,840

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 16-11

21:20-17:05

1 stop30h 45m

Hong Kong Intl

Tue 15-12

09:45-11:45

1 stop39h 00m

HK$7,840

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 19-8

13:20-07:25

1 stop30h 05m

Hong Kong Intl

Fri 4-9

08:55-11:35

1 stop38h 40m

HK$8,468

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Wed 2-12

13:30-17:05

1 stop38h 35m

Hong Kong Intl

Sun 27-12

23:15-11:45

1 stop25h 30m

HK$8,726

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Tue 20-10

21:45-07:50

1 stop22h 05m

Hong Kong Intl

Sun 8-11

09:45-11:45

1 stop39h 00m

HK$9,001
Fastest return journey

Washington, D.C.Hong Kong

IAD - HKG

IADHKG

Washington, D.C. Dulles Intl

Mon 16-11

20:10-06:15

1 stop21h 05m

Hong Kong Intl

Thu 17-12

00:45-15:30

1 stop27h 45m

HK$9,228

Flights are sorted by cheapest return flights first.

Deals found on 22-7

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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 58 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of HK$6,696). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of HK$12,686). 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.

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$7,448, Air Canada can have you in Hong Kong from Washington, D.C. Dulles Intl Airport in 28h 35m. 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, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hong Kong (average of HK$6,696). Flying from Washington, D.C. Dulles Intl Airport to Hong Kong in December is currently the most expensive (average of HK$12,686). 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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